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DesignSystem"><div class="social-profile-container"><div class="left-panel-container"><div class="user-info-component-wrapper"><div class="user-summary-cta-container"><div class="user-summary-container"><div class="social-profile-avatar-container"><img class="profile-avatar u-positionAbsolute" alt="Mark Clementz" border="0" onerror="if (this.src != '//a.academia-assets.com/images/s200_no_pic.png') this.src = '//a.academia-assets.com/images/s200_no_pic.png';" width="200" height="200" src="https://0.academia-photos.com/169044/1393757/3140063/s200_mark.clementz.jpg" /></div><div class="title-container"><h1 class="ds2-5-heading-sans-serif-sm">Mark Clementz</h1><div class="affiliations-container fake-truncate js-profile-affiliations"><div><a class="u-tcGrayDarker" href="https://uwyo.academia.edu/">University of Wyoming</a>, <a class="u-tcGrayDarker" href="https://uwyo.academia.edu/Departments/Geology_and_Geophysics/Documents">Geology and Geophysics</a>, <span class="u-tcGrayDarker">Faculty 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class="documents-container backbone-social-profile-documents" style="width: 100%;"><div class="u-taCenter"></div><div class="profile--tab_content_container js-tab-pane tab-pane active" id="all"><div class="profile--tab_heading_container js-section-heading" data-section="Papers" id="Papers"><h3 class="profile--tab_heading_container">Papers by Mark Clementz</h3></div><div class="js-work-strip profile--work_container" data-work-id="53550684"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550684/Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA"><img alt="Research paper thumbnail of Late Pleistocene environments of the Bighorn Basin, Wyoming-Montana, USA" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550684/Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA">Late Pleistocene environments of the Bighorn Basin, Wyoming-Montana, USA</a></div><div class="wp-workCard_item"><span>Quaternary Research</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it diffi...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it difficult to quantify the impacts of environmental changes prior to peak glaciation. We examined sediments from Last Canyon Cave in the Pryor Mountains of Montana and Wyoming to construct a &gt;45 ka environmental record from pollen and stable isotope analysis. Artemisia pollen was hyper-abundant at the beginning of the record. Carbon isotope values of bulk organic matter (&gt;40 ka) showed little variation (-25.3 ± 0.4‰) and were consistent with a arid C3 environment, similar to today. After 40 cal ka BP, Artemisia pollen decreased as herbaceous taxa increased toward the LGM. A significant decrease in δ13C values from 40–30 cal ka BP (~1.0‰) established a new baseline (-26.6 ± 0.2‰), suggesting cooler, seasonally wetter conditions prior to the LGM. These conditions persisted until variation in δ13C values increased significantly with post-glacial warming, marked by two spikes in values at 14...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550684"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550684"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550684; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550684]").text(description); $(".js-view-count[data-work-id=53550684]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550684; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550684']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550684, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=53550684]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550684,"title":"Late Pleistocene environments of the Bighorn Basin, Wyoming-Montana, USA","translated_title":"","metadata":{"abstract":"Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it difficult to quantify the impacts of environmental changes prior to peak glaciation. We examined sediments from Last Canyon Cave in the Pryor Mountains of Montana and Wyoming to construct a \u0026gt;45 ka environmental record from pollen and stable isotope analysis. Artemisia pollen was hyper-abundant at the beginning of the record. Carbon isotope values of bulk organic matter (\u0026gt;40 ka) showed little variation (-25.3 ± 0.4‰) and were consistent with a arid C3 environment, similar to today. After 40 cal ka BP, Artemisia pollen decreased as herbaceous taxa increased toward the LGM. A significant decrease in δ13C values from 40–30 cal ka BP (~1.0‰) established a new baseline (-26.6 ± 0.2‰), suggesting cooler, seasonally wetter conditions prior to the LGM. These conditions persisted until variation in δ13C values increased significantly with post-glacial warming, marked by two spikes in values at 14...","publisher":"Cambridge University Press (CUP)","publication_name":"Quaternary Research"},"translated_abstract":"Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it difficult to quantify the impacts of environmental changes prior to peak glaciation. We examined sediments from Last Canyon Cave in the Pryor Mountains of Montana and Wyoming to construct a \u0026gt;45 ka environmental record from pollen and stable isotope analysis. Artemisia pollen was hyper-abundant at the beginning of the record. Carbon isotope values of bulk organic matter (\u0026gt;40 ka) showed little variation (-25.3 ± 0.4‰) and were consistent with a arid C3 environment, similar to today. After 40 cal ka BP, Artemisia pollen decreased as herbaceous taxa increased toward the LGM. A significant decrease in δ13C values from 40–30 cal ka BP (~1.0‰) established a new baseline (-26.6 ± 0.2‰), suggesting cooler, seasonally wetter conditions prior to the LGM. These conditions persisted until variation in δ13C values increased significantly with post-glacial warming, marked by two spikes in values at 14...","internal_url":"https://www.academia.edu/53550684/Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA","translated_internal_url":"","created_at":"2021-09-27T11:21:11.703-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[],"research_interests":[{"id":392,"name":"Archaeology","url":"https://www.academia.edu/Documents/in/Archaeology"},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology"},{"id":35587,"name":"Quaternary","url":"https://www.academia.edu/Documents/in/Quaternary"}],"urls":[{"id":11558475,"url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0033589420000782"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550683"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550683/The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene"><img alt="Research paper thumbnail of The role of the westerlies and orography in Asian hydroclimate since the late Oligocene" class="work-thumbnail" src="https://attachments.academia-assets.com/70341802/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550683/The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene">The role of the westerlies and orography in Asian hydroclimate since the late Oligocene</a></div><div class="wp-workCard_item"><span>Geology</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Interactions between midlatitude westerlies and the Pamir–Tian Shan mountains significantly impac...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Interactions between midlatitude westerlies and the Pamir–Tian Shan mountains significantly impact hydroclimate patterns in Central Asia today, and they played an important role in driving Asian aridification during the Cenozoic. We show that distinct west-east hydroclimate differences were established over Central Asia during the late Oligocene (ca. 25 Ma), as recorded by stable oxygen isotopic values of soil carbonates. Our climate simulations show that these differences are present when relief of the Pamir–Tian Shan is higher than 75% of modern elevation (∼3000 m). Integrated with geological evidence, we suggest that a significant portion of the Pamir–Tian Shan orogen had reached elevations of ∼3 km and acted as a moisture barrier for the westerlies since ca. 25 Ma.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="a6d48fcd129a8146b190869dee8ecb96" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341802,"asset_id":53550683,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341802/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550683"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550683"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550683; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550683]").text(description); $(".js-view-count[data-work-id=53550683]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550683; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550683']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550683, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "a6d48fcd129a8146b190869dee8ecb96" } } $('.js-work-strip[data-work-id=53550683]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550683,"title":"The role of the westerlies and orography in Asian hydroclimate since the late Oligocene","translated_title":"","metadata":{"abstract":"Interactions between midlatitude westerlies and the Pamir–Tian Shan mountains significantly impact hydroclimate patterns in Central Asia today, and they played an important role in driving Asian aridification during the Cenozoic. 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Integrated with geological evidence, we suggest that a significant portion of the Pamir–Tian Shan orogen had reached elevations of ∼3 km and acted as a moisture barrier for the westerlies since ca. 25 Ma.","internal_url":"https://www.academia.edu/53550683/The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene","translated_internal_url":"","created_at":"2021-09-27T11:21:11.535-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":70341802,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341802/thumbnails/1.jpg","file_name":"728.pdf","download_url":"https://www.academia.edu/attachments/70341802/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_role_of_the_westerlies_and_orography.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341802/728-libre.pdf?1632769390=\u0026response-content-disposition=attachment%3B+filename%3DThe_role_of_the_westerlies_and_orography.pdf\u0026Expires=1733020969\u0026Signature=K7vwFwctvNNLfLPkCCDxR-O0h8uVnmtixPJDzAVFGHeegnVOJ85Gtgo2tjun1KwZB6kY-stGufDsfj9Lqw4RwLEy956PHBRnsAj-EozZYPp5LIyBkAEZKlzXEgPk~SGXI5Duv0njBHiSTDmqu1qXpXj0Dd4dT5L7OmKBwNAAP7yNYKEgE25X6emQH8aGjz2pmvrT65p~GVnb0Z0chgh7T4tUug-i6mYxVmqlZqh1xphT~Yjax3rwFdy233cGiANKRZy~un~nPU-ArMS-QMQwnNG-XQqDHH89uHXljnee7~~NyOdOraqevg78ASKew2U8H8fib~~pg8sUScjK5XO3lA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene","translated_slug":"","page_count":5,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[{"id":70341802,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341802/thumbnails/1.jpg","file_name":"728.pdf","download_url":"https://www.academia.edu/attachments/70341802/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_role_of_the_westerlies_and_orography.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341802/728-libre.pdf?1632769390=\u0026response-content-disposition=attachment%3B+filename%3DThe_role_of_the_westerlies_and_orography.pdf\u0026Expires=1733020969\u0026Signature=K7vwFwctvNNLfLPkCCDxR-O0h8uVnmtixPJDzAVFGHeegnVOJ85Gtgo2tjun1KwZB6kY-stGufDsfj9Lqw4RwLEy956PHBRnsAj-EozZYPp5LIyBkAEZKlzXEgPk~SGXI5Duv0njBHiSTDmqu1qXpXj0Dd4dT5L7OmKBwNAAP7yNYKEgE25X6emQH8aGjz2pmvrT65p~GVnb0Z0chgh7T4tUug-i6mYxVmqlZqh1xphT~Yjax3rwFdy233cGiANKRZy~un~nPU-ArMS-QMQwnNG-XQqDHH89uHXljnee7~~NyOdOraqevg78ASKew2U8H8fib~~pg8sUScjK5XO3lA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"},{"id":70341801,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341801/thumbnails/1.jpg","file_name":"728.pdf","download_url":"https://www.academia.edu/attachments/70341801/download_file","bulk_download_file_name":"The_role_of_the_westerlies_and_orography.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341801/728-libre.pdf?1632769390=\u0026response-content-disposition=attachment%3B+filename%3DThe_role_of_the_westerlies_and_orography.pdf\u0026Expires=1733020969\u0026Signature=DPWDatd~azdxNTi5wvhHEtajIy-vQaXMAU-nK3ZDgm~i3cSh~8zwDM4dvEuTgqVIEu1RaE~a5yl2ew9sCFdJ1zQaHQwWuvOhJgvXBtuieo2JjSN7VR~5BVNnaMKDRZhWACJ0vIbh1l~B9lhoildO-0LLF6QCbp2jNoGjx0J0ZYp9v8GnZB3LVgM7VTXEHdrLDF7B6hi6mvViePvYlfGWM4sgxMXPiMRxN6PA8fThh5wTuv5bmUJDV808odgOryhRMi8pOhvfob~TwXuBqkTYThnZdr9yXMyGkK0-oEbTBbugHbKdSBc4Z9jly4eMSxTJJhX8eQIcQ146Fdbb5-MeJA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences"},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology"}],"urls":[{"id":11558474,"url":"https://pubs.geoscienceworld.org/gsa/geology/article-pdf/48/7/728/5072886/728.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550682"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550682/Ecological_and_hydroclimate_responses_to_strengthening_of_the_Hadley_circulation_in_South_America_during_the_Late_Miocene_cooling"><img alt="Research paper thumbnail of Ecological and hydroclimate responses to strengthening of the Hadley circulation in South America during the Late Miocene cooling" class="work-thumbnail" src="https://attachments.academia-assets.com/70341877/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550682/Ecological_and_hydroclimate_responses_to_strengthening_of_the_Hadley_circulation_in_South_America_during_the_Late_Miocene_cooling">Ecological and hydroclimate responses to strengthening of the Hadley circulation in South America during the Late Miocene cooling</a></div><div class="wp-workCard_item"><span>Proceedings of the National Academy of Sciences</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Near-modern ecosystems were established as a result of rapid ecological adaptation and climate ch...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Near-modern ecosystems were established as a result of rapid ecological adaptation and climate change in the Late Miocene. On land, Late Miocene aridification spread in tandem with expansion of open habitats including C4 grassland ecosystems. Proxy records for the central Andes spanning the Late Miocene cooling (LMC) show the reorganization of subtropical ecosystems and hydroclimate in South America between 15 and 35°S. Continental pedogenic carbonates preserved in Neogene basins record a general increase of δ18O and δ13C values from pre-LMC to post-LMC, most robustly occurring in the subtropics (25 to 30°S), suggesting aridification and a shift toward a more C4-plant-dominated ecosystem. These changes are closely tied to the enhancement of the Hadley circulation and moisture divergence away from the subtropics toward the Intertropical Convergence Zone as revealed by climate model simulations with prescribed sea-surface temperatures (SSTs) reflecting different magnitudes of LMC stee...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d7efb8174bb06214d8f85f52a6a5b216" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341877,"asset_id":53550682,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341877/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550682"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550682"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550682; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550682]").text(description); $(".js-view-count[data-work-id=53550682]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550682; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550682']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550682, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "d7efb8174bb06214d8f85f52a6a5b216" } } $('.js-work-strip[data-work-id=53550682]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550682,"title":"Ecological and hydroclimate responses to strengthening of the Hadley circulation in South America during the Late Miocene cooling","translated_title":"","metadata":{"abstract":"Near-modern ecosystems were established as a result of rapid ecological adaptation and climate change in the Late Miocene. On land, Late Miocene aridification spread in tandem with expansion of open habitats including C4 grassland ecosystems. Proxy records for the central Andes spanning the Late Miocene cooling (LMC) show the reorganization of subtropical ecosystems and hydroclimate in South America between 15 and 35°S. Continental pedogenic carbonates preserved in Neogene basins record a general increase of δ18O and δ13C values from pre-LMC to post-LMC, most robustly occurring in the subtropics (25 to 30°S), suggesting aridification and a shift toward a more C4-plant-dominated ecosystem. These changes are closely tied to the enhancement of the Hadley circulation and moisture divergence away from the subtropics toward the Intertropical Convergence Zone as revealed by climate model simulations with prescribed sea-surface temperatures (SSTs) reflecting different magnitudes of LMC stee...","publisher":"Proceedings of the National Academy of Sciences","publication_name":"Proceedings of the National Academy of Sciences"},"translated_abstract":"Near-modern ecosystems were established as a result of rapid ecological adaptation and climate change in the Late Miocene. On land, Late Miocene aridification spread in tandem with expansion of open habitats including C4 grassland ecosystems. Proxy records for the central Andes spanning the Late Miocene cooling (LMC) show the reorganization of subtropical ecosystems and hydroclimate in South America between 15 and 35°S. Continental pedogenic carbonates preserved in Neogene basins record a general increase of δ18O and δ13C values from pre-LMC to post-LMC, most robustly occurring in the subtropics (25 to 30°S), suggesting aridification and a shift toward a more C4-plant-dominated ecosystem. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550681"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550681/Humans_permanently_occupied_the_Andean_highlands_by_at_least_7_ka"><img alt="Research paper thumbnail of Humans permanently occupied the Andean highlands by at least 7 ka" class="work-thumbnail" src="https://attachments.academia-assets.com/70341875/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550681/Humans_permanently_occupied_the_Andean_highlands_by_at_least_7_ka">Humans permanently occupied the Andean highlands by at least 7 ka</a></div><div class="wp-workCard_item"><span>Royal Society open science</span><span>, 2017</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet&#3...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet&#39;s last frontiers of human colonization. Research on the speed and tempo of this colonization process is active and holds implications for understanding rates of genetic, physiological and cultural adaptation in our species. Permanent occupation of high-elevation environments in the Andes Mountains of South America tentatively began with hunter-gatherers around 9 ka according to current archaeological estimates, though the timing is currently debated. Recent observations on the archaeological site of Soro Mik&#39;aya Patjxa (8.0-6.5 ka), located at 3800 m.a.s.l. in the Andean Altiplano, offer an opportunity to independently test hypotheses for early permanent use of the region. This study observes low oxygen (δ(18)O) and high carbon (δ(13)C) isotope values in human bone, long travel distances to low-elevation zones, variable age and sex structure in the human population and an absence o...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="878305f83bc6f5322c7163003feccf58" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341875,"asset_id":53550681,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341875/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550681"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550681"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550681; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550681]").text(description); $(".js-view-count[data-work-id=53550681]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550681; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550681']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550681, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "878305f83bc6f5322c7163003feccf58" } } $('.js-work-strip[data-work-id=53550681]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550681,"title":"Humans permanently occupied the Andean highlands by at least 7 ka","translated_title":"","metadata":{"abstract":"High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet\u0026#39;s last frontiers of human colonization. Research on the speed and tempo of this colonization process is active and holds implications for understanding rates of genetic, physiological and cultural adaptation in our species. Permanent occupation of high-elevation environments in the Andes Mountains of South America tentatively began with hunter-gatherers around 9 ka according to current archaeological estimates, though the timing is currently debated. Recent observations on the archaeological site of Soro Mik\u0026#39;aya Patjxa (8.0-6.5 ka), located at 3800 m.a.s.l. in the Andean Altiplano, offer an opportunity to independently test hypotheses for early permanent use of the region. This study observes low oxygen (δ(18)O) and high carbon (δ(13)C) isotope values in human bone, long travel distances to low-elevation zones, variable age and sex structure in the human population and an absence o...","ai_title_tag":"Permanent Human Occupation of the Andean Highlands by 7 ka","publication_date":{"day":null,"month":null,"year":2017,"errors":{}},"publication_name":"Royal Society open science"},"translated_abstract":"High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet\u0026#39;s last frontiers of human colonization. Research on the speed and tempo of this colonization process is active and holds implications for understanding rates of genetic, physiological and cultural adaptation in our species. Permanent occupation of high-elevation environments in the Andes Mountains of South America tentatively began with hunter-gatherers around 9 ka according to current archaeological estimates, though the timing is currently debated. Recent observations on the archaeological site of Soro Mik\u0026#39;aya Patjxa (8.0-6.5 ka), located at 3800 m.a.s.l. in the Andean Altiplano, offer an opportunity to independently test hypotheses for early permanent use of the region. 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However, in spite of the significant role seagrasses play today, the fossil record contains little evidence of the distribution and abundance of seagrass species in the past and many questions about their biology, ecology, and evolutionary history remain. We have developed, and present here, a parameter driven numerical model of global seagrass biogeography and diversity appropriate for paleontological and paleoecological investigations. The global distribution of seagrasses in our model is dependent on four input parameters, water temperature, water salinity, water depth, and photosynthetically available radiation at depth. With these limited inputs, our model captures both the location and biodiversity of modern seagrass distributions well. The simplicity of our model and its robust representation of modern conditions give it tremendous flexibility for applications throughout the ~70 Ma long history of seagrasses. Paleo ocean temperatures, salinity, water depths, and incident radiation are available from paleoclimatic/proxy datasets and/or numerical simulations of past environmental/climatic conditions, thus permitting investigations into time specific seagrass biogeography and diversity throughout its evolutionary history. In addition, the simplicity of our model allows for theoretical investigations of seagrass paleoecology and response to environmental changes. Both applications will contribute significantly to furthering our understanding of seagrasses, seagrass dominated ecosystems, and the roles they have played in the earth system over the past 70 Ma.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550680"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550680"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550680; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550680]").text(description); $(".js-view-count[data-work-id=53550680]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550680; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550680']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550680, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=53550680]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550680,"title":"A Predictive Model for Investigating Seagrass Paleoecology, Biogeography and Diversity","translated_title":"","metadata":{"abstract":"ABSTRACT Seagrasses are highly productive components of coastal ecosystems that play significant roles in the flow of nutrients and the modulation of physical conditions within the world\u0026amp;#39;s oceans. However, in spite of the significant role seagrasses play today, the fossil record contains little evidence of the distribution and abundance of seagrass species in the past and many questions about their biology, ecology, and evolutionary history remain. We have developed, and present here, a parameter driven numerical model of global seagrass biogeography and diversity appropriate for paleontological and paleoecological investigations. The global distribution of seagrasses in our model is dependent on four input parameters, water temperature, water salinity, water depth, and photosynthetically available radiation at depth. With these limited inputs, our model captures both the location and biodiversity of modern seagrass distributions well. The simplicity of our model and its robust representation of modern conditions give it tremendous flexibility for applications throughout the ~70 Ma long history of seagrasses. Paleo ocean temperatures, salinity, water depths, and incident radiation are available from paleoclimatic/proxy datasets and/or numerical simulations of past environmental/climatic conditions, thus permitting investigations into time specific seagrass biogeography and diversity throughout its evolutionary history. In addition, the simplicity of our model allows for theoretical investigations of seagrass paleoecology and response to environmental changes. Both applications will contribute significantly to furthering our understanding of seagrasses, seagrass dominated ecosystems, and the roles they have played in the earth system over the past 70 Ma.","publication_date":{"day":1,"month":12,"year":2008,"errors":{}}},"translated_abstract":"ABSTRACT Seagrasses are highly productive components of coastal ecosystems that play significant roles in the flow of nutrients and the modulation of physical conditions within the world\u0026amp;#39;s oceans. However, in spite of the significant role seagrasses play today, the fossil record contains little evidence of the distribution and abundance of seagrass species in the past and many questions about their biology, ecology, and evolutionary history remain. We have developed, and present here, a parameter driven numerical model of global seagrass biogeography and diversity appropriate for paleontological and paleoecological investigations. The global distribution of seagrasses in our model is dependent on four input parameters, water temperature, water salinity, water depth, and photosynthetically available radiation at depth. With these limited inputs, our model captures both the location and biodiversity of modern seagrass distributions well. The simplicity of our model and its robust representation of modern conditions give it tremendous flexibility for applications throughout the ~70 Ma long history of seagrasses. Paleo ocean temperatures, salinity, water depths, and incident radiation are available from paleoclimatic/proxy datasets and/or numerical simulations of past environmental/climatic conditions, thus permitting investigations into time specific seagrass biogeography and diversity throughout its evolutionary history. In addition, the simplicity of our model allows for theoretical investigations of seagrass paleoecology and response to environmental changes. 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class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550670/The_evolution_of_aquatic_feeding_in_seals_insights_from_Enaliarctos_Carnivora_Pinnipedimorpha_the_oldest_known_seal">The evolution of aquatic feeding in seals: insights from Enaliarctos (Carnivora: Pinnipedimorpha), the oldest known seal</a></div><div class="wp-workCard_item"><span>Journal of evolutionary biology</span><span>, Jan 5, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The development of pierce-feeding and loss of oral processing represented major adaptations for u...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The development of pierce-feeding and loss of oral processing represented major adaptations for underwater feeding in marine mammals. We examined the evolution of pierce-feeding and its association with changes in tooth spacing and tooth size to determine whether pierce-feeding was practiced by the earliest known pinnipeds. Data on crown size and spacing in postcanine dentition were collected and 1) analyzed by principal components analysis (PCA) to determine the tooth morphospace of arctoid carnivores, 2) analyzed by least squares (LS) regression and phylogenetic independent contrasts (PIC) to determine what morphological variables were associated with increases in tooth spacing, and 3) used to reconstruct the evolution of feeding related traits within a phylogenetic context. The PCA analysis revealed that within arctoid carnivores the greatest differences in morphospace were associated with pierce-feeding, and the early-diverging seal Enaliarctos was placed within the pinniped mor...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="6bff4e0c9121b57be4f07b648c6db668" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341876,"asset_id":53550670,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341876/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550670"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550670"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550670; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550670]").text(description); $(".js-view-count[data-work-id=53550670]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550670; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550670']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550670, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "6bff4e0c9121b57be4f07b648c6db668" } } $('.js-work-strip[data-work-id=53550670]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550670,"title":"The evolution of aquatic feeding in seals: insights from Enaliarctos (Carnivora: Pinnipedimorpha), the oldest known seal","translated_title":"","metadata":{"abstract":"The development of pierce-feeding and loss of oral processing represented major adaptations for underwater feeding in marine mammals. We examined the evolution of pierce-feeding and its association with changes in tooth spacing and tooth size to determine whether pierce-feeding was practiced by the earliest known pinnipeds. Data on crown size and spacing in postcanine dentition were collected and 1) analyzed by principal components analysis (PCA) to determine the tooth morphospace of arctoid carnivores, 2) analyzed by least squares (LS) regression and phylogenetic independent contrasts (PIC) to determine what morphological variables were associated with increases in tooth spacing, and 3) used to reconstruct the evolution of feeding related traits within a phylogenetic context. The PCA analysis revealed that within arctoid carnivores the greatest differences in morphospace were associated with pierce-feeding, and the early-diverging seal Enaliarctos was placed within the pinniped mor...","ai_title_tag":"Aquatic Feeding Evolution in Enaliarctos: Insights on Seals","publication_date":{"day":5,"month":1,"year":2015,"errors":{}},"publication_name":"Journal of evolutionary biology"},"translated_abstract":"The development of pierce-feeding and loss of oral processing represented major adaptations for underwater feeding in marine mammals. We examined the evolution of pierce-feeding and its association with changes in tooth spacing and tooth size to determine whether pierce-feeding was practiced by the earliest known pinnipeds. Data on crown size and spacing in postcanine dentition were collected and 1) analyzed by principal components analysis (PCA) to determine the tooth morphospace of arctoid carnivores, 2) analyzed by least squares (LS) regression and phylogenetic independent contrasts (PIC) to determine what morphological variables were associated with increases in tooth spacing, and 3) used to reconstruct the evolution of feeding related traits within a phylogenetic context. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550667"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550667/Revisiting_Old_Bones_Coupled_Carbon_Isotope_Analysis_Of_Bioapatite_And_Collagen_As_An_Ecological_And_Paleoecological_Tool"><img alt="Research paper thumbnail of Revisiting Old Bones; Coupled Carbon Isotope Analysis Of Bioapatite And Collagen As An Ecological And Paleoecological Tool" class="work-thumbnail" src="https://attachments.academia-assets.com/70341870/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550667/Revisiting_Old_Bones_Coupled_Carbon_Isotope_Analysis_Of_Bioapatite_And_Collagen_As_An_Ecological_And_Paleoecological_Tool">Revisiting Old Bones; Coupled Carbon Isotope Analysis Of Bioapatite And Collagen As An Ecological And Paleoecological Tool</a></div><div class="wp-workCard_item"><span>Abstracts With Programs Geological Society of America</span><span>, 2009</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="7d94384c74561bb7eaf9a127be253122" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341870,"asset_id":53550667,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341870/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550667"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550667"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550667; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550659"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550659/Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems"><img alt="Research paper thumbnail of Stable Isotope Evidence of Variation in Nitrogen Fixation by Cyanobacteria in Coastal Ecosystems" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550659/Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems">Stable Isotope Evidence of Variation in Nitrogen Fixation by Cyanobacteria in Coastal Ecosystems</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Increased nutrient loading via both natural and anthropogenic factors has been reported as one po...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Increased nutrient loading via both natural and anthropogenic factors has been reported as one possible mechanism for the recent increase in the occurrence and intensity of harmful algal blooms (HAB) in coastal ecosystems. Influx of iron, phosphorous, and organic carbon have proven to be significant stimulating factors for HAB, since the benthic cyanobacteria that often make up these blooms are capable of nitrogen-fixation and require these nutrients for this process as well as photosynthesis. These cyanobacteria can switch to direct uptake of dissolved inorganic nitrogen (DIN), however, when concentrations are high enough to energetically favor this source, suggesting that high nitrogen input may also stimulate HAB. Given the distinct isotope differences between atmospheric N2 (00/00) and anthropogenic sources of DIN (&gt;60/00), measurement of the delta15N composition of cyanobacteria can provide a means of gauging the relative significance of anthropogenic versus atmospheric nitrogen to the growth of these blooms. Likewise, the delta13C composition of these primary producers is controlled by the delta13C composition of the DIC, and can be a second tracer of anthropogenic influx into marine ecosystems. A combined approach using both isotope tracers was employed to determine the significance of anthropogenic nitrogen on HAB in subtropical/tropical coastal marine ecosystems. Samples of cyanobacteria and associated macroalgae were collected from three coastal sites in Guam (Facpi Point, Tanguisson, and Ypao Beach), one locality in Hawaii, and three sites in southern Florida (Pepper Park, Fort Lauderdale, Florida Keys). Following removal of marine carbonates via an acid rinse, the delta13C and delta15N values were determined for each species. Cyanobacterial delta15N values ranged from -2.30/00 to 7.70/00 with the highest values reported from sites in Guam. Only cyanobacteria sampled from Hawaii showed no isotope evidence of an anthropogenic source for nitrogen. A strong negative correlation between delta13C and delta15N values was detected for cyanobacteria from all sites. This correlation suggests that cyanobacteria are fixing nitrogen under oligotrophic conditions, but switch to using the readily available DIN when the nutrient load is high. The discovery of this relationship in three separate locations and among several different species of cyanobacteria suggests that this is a common feature of HAB and that nitrogen influx may have a more significant impact on the formation of these blooms than previously thought.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550659"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550659"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550659; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550659]").text(description); $(".js-view-count[data-work-id=53550659]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550659; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550659']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550659, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=53550659]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550659,"title":"Stable Isotope Evidence of Variation in Nitrogen Fixation by Cyanobacteria in Coastal Ecosystems","translated_title":"","metadata":{"abstract":"Increased nutrient loading via both natural and anthropogenic factors has been reported as one possible mechanism for the recent increase in the occurrence and intensity of harmful algal blooms (HAB) in coastal ecosystems. Influx of iron, phosphorous, and organic carbon have proven to be significant stimulating factors for HAB, since the benthic cyanobacteria that often make up these blooms are capable of nitrogen-fixation and require these nutrients for this process as well as photosynthesis. These cyanobacteria can switch to direct uptake of dissolved inorganic nitrogen (DIN), however, when concentrations are high enough to energetically favor this source, suggesting that high nitrogen input may also stimulate HAB. Given the distinct isotope differences between atmospheric N2 (00/00) and anthropogenic sources of DIN (\u0026gt;60/00), measurement of the delta15N composition of cyanobacteria can provide a means of gauging the relative significance of anthropogenic versus atmospheric nitrogen to the growth of these blooms. Likewise, the delta13C composition of these primary producers is controlled by the delta13C composition of the DIC, and can be a second tracer of anthropogenic influx into marine ecosystems. A combined approach using both isotope tracers was employed to determine the significance of anthropogenic nitrogen on HAB in subtropical/tropical coastal marine ecosystems. Samples of cyanobacteria and associated macroalgae were collected from three coastal sites in Guam (Facpi Point, Tanguisson, and Ypao Beach), one locality in Hawaii, and three sites in southern Florida (Pepper Park, Fort Lauderdale, Florida Keys). Following removal of marine carbonates via an acid rinse, the delta13C and delta15N values were determined for each species. Cyanobacterial delta15N values ranged from -2.30/00 to 7.70/00 with the highest values reported from sites in Guam. Only cyanobacteria sampled from Hawaii showed no isotope evidence of an anthropogenic source for nitrogen. A strong negative correlation between delta13C and delta15N values was detected for cyanobacteria from all sites. This correlation suggests that cyanobacteria are fixing nitrogen under oligotrophic conditions, but switch to using the readily available DIN when the nutrient load is high. The discovery of this relationship in three separate locations and among several different species of cyanobacteria suggests that this is a common feature of HAB and that nitrogen influx may have a more significant impact on the formation of these blooms than previously thought."},"translated_abstract":"Increased nutrient loading via both natural and anthropogenic factors has been reported as one possible mechanism for the recent increase in the occurrence and intensity of harmful algal blooms (HAB) in coastal ecosystems. Influx of iron, phosphorous, and organic carbon have proven to be significant stimulating factors for HAB, since the benthic cyanobacteria that often make up these blooms are capable of nitrogen-fixation and require these nutrients for this process as well as photosynthesis. These cyanobacteria can switch to direct uptake of dissolved inorganic nitrogen (DIN), however, when concentrations are high enough to energetically favor this source, suggesting that high nitrogen input may also stimulate HAB. Given the distinct isotope differences between atmospheric N2 (00/00) and anthropogenic sources of DIN (\u0026gt;60/00), measurement of the delta15N composition of cyanobacteria can provide a means of gauging the relative significance of anthropogenic versus atmospheric nitrogen to the growth of these blooms. Likewise, the delta13C composition of these primary producers is controlled by the delta13C composition of the DIC, and can be a second tracer of anthropogenic influx into marine ecosystems. A combined approach using both isotope tracers was employed to determine the significance of anthropogenic nitrogen on HAB in subtropical/tropical coastal marine ecosystems. Samples of cyanobacteria and associated macroalgae were collected from three coastal sites in Guam (Facpi Point, Tanguisson, and Ypao Beach), one locality in Hawaii, and three sites in southern Florida (Pepper Park, Fort Lauderdale, Florida Keys). Following removal of marine carbonates via an acid rinse, the delta13C and delta15N values were determined for each species. Cyanobacterial delta15N values ranged from -2.30/00 to 7.70/00 with the highest values reported from sites in Guam. Only cyanobacteria sampled from Hawaii showed no isotope evidence of an anthropogenic source for nitrogen. A strong negative correlation between delta13C and delta15N values was detected for cyanobacteria from all sites. This correlation suggests that cyanobacteria are fixing nitrogen under oligotrophic conditions, but switch to using the readily available DIN when the nutrient load is high. The discovery of this relationship in three separate locations and among several different species of cyanobacteria suggests that this is a common feature of HAB and that nitrogen influx may have a more significant impact on the formation of these blooms than previously thought.","internal_url":"https://www.academia.edu/53550659/Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems","translated_internal_url":"","created_at":"2021-09-27T11:21:09.464-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[],"research_interests":[{"id":12036,"name":"Pepper","url":"https://www.academia.edu/Documents/in/Pepper"},{"id":63551,"name":"Nitrogen Fixation","url":"https://www.academia.edu/Documents/in/Nitrogen_Fixation"},{"id":91257,"name":"Stable Isotope","url":"https://www.academia.edu/Documents/in/Stable_Isotope"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen"},{"id":158597,"name":"Iron","url":"https://www.academia.edu/Documents/in/Iron"},{"id":445473,"name":"Harmful Algal bloom","url":"https://www.academia.edu/Documents/in/Harmful_Algal_bloom"},{"id":577354,"name":"Nutrient Loading","url":"https://www.academia.edu/Documents/in/Nutrient_Loading"},{"id":585192,"name":"Organic carbon","url":"https://www.academia.edu/Documents/in/Organic_carbon"},{"id":1022026,"name":"Marine ecosystem","url":"https://www.academia.edu/Documents/in/Marine_ecosystem"},{"id":1662178,"name":"Florida Keys","url":"https://www.academia.edu/Documents/in/Florida_Keys"}],"urls":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550657"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550657/Fluvial_response_to_the_Paleocene_Eocene_Thermal_Maximum_in_northwest_Wyoming_and_western_Colorado_USA"><img alt="Research paper thumbnail of Fluvial response to the Paleocene-Eocene Thermal Maximum in northwest Wyoming and western Colorado, USA" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550657/Fluvial_response_to_the_Paleocene_Eocene_Thermal_Maximum_in_northwest_Wyoming_and_western_Colorado_USA">Fluvial response to the Paleocene-Eocene Thermal Maximum in northwest Wyoming and western Colorado, USA</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">ABSTRACT</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550657"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550657"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550657; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550657]").text(description); $(".js-view-count[data-work-id=53550657]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550657; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550657']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550657, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=53550657]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550657,"title":"Fluvial response to the Paleocene-Eocene Thermal Maximum in northwest Wyoming and western Colorado, USA","translated_title":"","metadata":{"abstract":"ABSTRACT"},"translated_abstract":"ABSTRACT","internal_url":"https://www.academia.edu/53550657/Fluvial_response_to_the_Paleocene_Eocene_Thermal_Maximum_in_northwest_Wyoming_and_western_Colorado_USA","translated_internal_url":"","created_at":"2021-09-27T11:21:09.363-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Fluvial_response_to_the_Paleocene_Eocene_Thermal_Maximum_in_northwest_Wyoming_and_western_Colorado_USA","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[],"research_interests":[],"urls":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550656"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550656/Evolution_of_dental_wear_during_the_origin_of_whales"><img alt="Research paper thumbnail of Evolution of dental wear during the origin of whales" class="work-thumbnail" src="https://attachments.academia-assets.com/70341886/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550656/Evolution_of_dental_wear_during_the_origin_of_whales">Evolution of dental wear during the origin of whales</a></div><div class="wp-workCard_item"><span>Paleobiology</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is gene...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is generally assumed that this reflects the evolutionary change from herbivory and omnivory to carnivory. To test hypotheses regarding tooth function and diet, we studied size and position of wear facets on the lower molars and the stable isotopes of enamel samples. We found that nearly all investigated Eocene cetaceans had dental wear different from typical wear in ungulates and isotope values indicating that they hunted similar prey and processed it similarly. The only exception is the protocetid Babiacetus, which probably ate larger prey with harder skeletons. The closest relative of cetaceans, the raoellid artiodactyl Indohyus, had wear facets that resemble those of Eocene cetaceans more than they do facets of basal artiodactyls. This is in spite of Indohyus&#39;s tooth crown morphology, which is unlike that of cetaceans, and its herbivorous diet, as indicated by stable isotopes. This impli...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="b53d0b61e9147a4be3fdc231b07a35b4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341886,"asset_id":53550656,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341886/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550656"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550656"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550656; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550656]").text(description); $(".js-view-count[data-work-id=53550656]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550656; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550656']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550656, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "b53d0b61e9147a4be3fdc231b07a35b4" } } $('.js-work-strip[data-work-id=53550656]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550656,"title":"Evolution of dental wear during the origin of whales","translated_title":"","metadata":{"abstract":"Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is generally assumed that this reflects the evolutionary change from herbivory and omnivory to carnivory. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550654"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550654/Cenozoic_record_of_paleotopography_and_paleoenvironment_in_the_Central_Andes_of_NW_Argentina"><img alt="Research paper thumbnail of Cenozoic record of paleotopography and paleoenvironment in the Central Andes of NW Argentina" class="work-thumbnail" src="https://attachments.academia-assets.com/70341873/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550654/Cenozoic_record_of_paleotopography_and_paleoenvironment_in_the_Central_Andes_of_NW_Argentina">Cenozoic record of paleotopography and paleoenvironment in the Central Andes of NW Argentina</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Sedimentary basins straddling the margin of the Puna Plateau in northwest Argentina constitute an...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Sedimentary basins straddling the margin of the Puna Plateau in northwest Argentina constitute an important archive of tectonic and paleogeographic information. The Angastaco basin is the largest Cenozoic sedimentary basin in the Eastern Cordillera and preserves a continuous record of ~6 km of alluvial and lacustrine sedimentation. Sedimentological and provenance data reveal a basin history that is best explained within the context of an evolving foreland basin system that migrated through the region from late Eocene through middle Miocene time. Detrital zircon U-Pb ages provide an Eocene (~38 Ma) maximum depositional age for the oldest unit in the succession, the Quebrada de los Colorados Formation, which is interpreted as distal to proximal foredeep deposits. Development of an angular unconformity at ~14 Ma and the coarse-grained, proximal character of the overlying Angastaco Formation (lower to upper Miocene) suggest deposition in a wedge-top depozone. Deposition of the Palo Pint...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="1028640890c2686b9913cb036db1ef01" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341873,"asset_id":53550654,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341873/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550654"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550654"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550654; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550654]").text(description); $(".js-view-count[data-work-id=53550654]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550654; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550654']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550654, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "1028640890c2686b9913cb036db1ef01" } } $('.js-work-strip[data-work-id=53550654]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550654,"title":"Cenozoic record of paleotopography and paleoenvironment in the Central Andes of NW Argentina","translated_title":"","metadata":{"abstract":"Sedimentary basins straddling the margin of the Puna Plateau in northwest Argentina constitute an important archive of tectonic and paleogeographic information. The Angastaco basin is the largest Cenozoic sedimentary basin in the Eastern Cordillera and preserves a continuous record of ~6 km of alluvial and lacustrine sedimentation. Sedimentological and provenance data reveal a basin history that is best explained within the context of an evolving foreland basin system that migrated through the region from late Eocene through middle Miocene time. Detrital zircon U-Pb ages provide an Eocene (~38 Ma) maximum depositional age for the oldest unit in the succession, the Quebrada de los Colorados Formation, which is interpreted as distal to proximal foredeep deposits. Development of an angular unconformity at ~14 Ma and the coarse-grained, proximal character of the overlying Angastaco Formation (lower to upper Miocene) suggest deposition in a wedge-top depozone. 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window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550649]").text(description); $(".js-view-count[data-work-id=53550649]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550649; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550649']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550649, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> </div><div class="profile--tab_content_container js-tab-pane tab-pane" data-section-id="472014" id="papers"><div class="js-work-strip profile--work_container" data-work-id="53550684"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550684/Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA"><img alt="Research paper thumbnail of Late Pleistocene environments of the Bighorn Basin, Wyoming-Montana, USA" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550684/Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA">Late Pleistocene environments of the Bighorn Basin, Wyoming-Montana, USA</a></div><div class="wp-workCard_item"><span>Quaternary Research</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it diffi...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it difficult to quantify the impacts of environmental changes prior to peak glaciation. We examined sediments from Last Canyon Cave in the Pryor Mountains of Montana and Wyoming to construct a &gt;45 ka environmental record from pollen and stable isotope analysis. Artemisia pollen was hyper-abundant at the beginning of the record. Carbon isotope values of bulk organic matter (&gt;40 ka) showed little variation (-25.3 ± 0.4‰) and were consistent with a arid C3 environment, similar to today. After 40 cal ka BP, Artemisia pollen decreased as herbaceous taxa increased toward the LGM. A significant decrease in δ13C values from 40–30 cal ka BP (~1.0‰) established a new baseline (-26.6 ± 0.2‰), suggesting cooler, seasonally wetter conditions prior to the LGM. These conditions persisted until variation in δ13C values increased significantly with post-glacial warming, marked by two spikes in values at 14...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550684"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550684"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550684; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550684]").text(description); $(".js-view-count[data-work-id=53550684]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550684; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550684']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550684, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=53550684]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550684,"title":"Late Pleistocene environments of the Bighorn Basin, Wyoming-Montana, USA","translated_title":"","metadata":{"abstract":"Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it difficult to quantify the impacts of environmental changes prior to peak glaciation. We examined sediments from Last Canyon Cave in the Pryor Mountains of Montana and Wyoming to construct a \u0026gt;45 ka environmental record from pollen and stable isotope analysis. Artemisia pollen was hyper-abundant at the beginning of the record. Carbon isotope values of bulk organic matter (\u0026gt;40 ka) showed little variation (-25.3 ± 0.4‰) and were consistent with a arid C3 environment, similar to today. After 40 cal ka BP, Artemisia pollen decreased as herbaceous taxa increased toward the LGM. A significant decrease in δ13C values from 40–30 cal ka BP (~1.0‰) established a new baseline (-26.6 ± 0.2‰), suggesting cooler, seasonally wetter conditions prior to the LGM. These conditions persisted until variation in δ13C values increased significantly with post-glacial warming, marked by two spikes in values at 14...","publisher":"Cambridge University Press (CUP)","publication_name":"Quaternary Research"},"translated_abstract":"Limited numbers of high-resolution records predate the Last Glacial Maximum (LGM) making it difficult to quantify the impacts of environmental changes prior to peak glaciation. We examined sediments from Last Canyon Cave in the Pryor Mountains of Montana and Wyoming to construct a \u0026gt;45 ka environmental record from pollen and stable isotope analysis. Artemisia pollen was hyper-abundant at the beginning of the record. Carbon isotope values of bulk organic matter (\u0026gt;40 ka) showed little variation (-25.3 ± 0.4‰) and were consistent with a arid C3 environment, similar to today. After 40 cal ka BP, Artemisia pollen decreased as herbaceous taxa increased toward the LGM. A significant decrease in δ13C values from 40–30 cal ka BP (~1.0‰) established a new baseline (-26.6 ± 0.2‰), suggesting cooler, seasonally wetter conditions prior to the LGM. These conditions persisted until variation in δ13C values increased significantly with post-glacial warming, marked by two spikes in values at 14...","internal_url":"https://www.academia.edu/53550684/Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA","translated_internal_url":"","created_at":"2021-09-27T11:21:11.703-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Late_Pleistocene_environments_of_the_Bighorn_Basin_Wyoming_Montana_USA","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[],"research_interests":[{"id":392,"name":"Archaeology","url":"https://www.academia.edu/Documents/in/Archaeology"},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology"},{"id":35587,"name":"Quaternary","url":"https://www.academia.edu/Documents/in/Quaternary"}],"urls":[{"id":11558475,"url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0033589420000782"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550683"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550683/The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene"><img alt="Research paper thumbnail of The role of the westerlies and orography in Asian hydroclimate since the late Oligocene" class="work-thumbnail" src="https://attachments.academia-assets.com/70341802/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550683/The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene">The role of the westerlies and orography in Asian hydroclimate since the late Oligocene</a></div><div class="wp-workCard_item"><span>Geology</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Interactions between midlatitude westerlies and the Pamir–Tian Shan mountains significantly impac...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Interactions between midlatitude westerlies and the Pamir–Tian Shan mountains significantly impact hydroclimate patterns in Central Asia today, and they played an important role in driving Asian aridification during the Cenozoic. We show that distinct west-east hydroclimate differences were established over Central Asia during the late Oligocene (ca. 25 Ma), as recorded by stable oxygen isotopic values of soil carbonates. Our climate simulations show that these differences are present when relief of the Pamir–Tian Shan is higher than 75% of modern elevation (∼3000 m). Integrated with geological evidence, we suggest that a significant portion of the Pamir–Tian Shan orogen had reached elevations of ∼3 km and acted as a moisture barrier for the westerlies since ca. 25 Ma.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="a6d48fcd129a8146b190869dee8ecb96" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341802,"asset_id":53550683,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341802/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550683"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550683"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550683; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550683]").text(description); $(".js-view-count[data-work-id=53550683]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550683; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550683']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550683, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "a6d48fcd129a8146b190869dee8ecb96" } } $('.js-work-strip[data-work-id=53550683]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550683,"title":"The role of the westerlies and orography in Asian hydroclimate since the late Oligocene","translated_title":"","metadata":{"abstract":"Interactions between midlatitude westerlies and the Pamir–Tian Shan mountains significantly impact hydroclimate patterns in Central Asia today, and they played an important role in driving Asian aridification during the Cenozoic. We show that distinct west-east hydroclimate differences were established over Central Asia during the late Oligocene (ca. 25 Ma), as recorded by stable oxygen isotopic values of soil carbonates. Our climate simulations show that these differences are present when relief of the Pamir–Tian Shan is higher than 75% of modern elevation (∼3000 m). Integrated with geological evidence, we suggest that a significant portion of the Pamir–Tian Shan orogen had reached elevations of ∼3 km and acted as a moisture barrier for the westerlies since ca. 25 Ma.","publisher":"Geological Society of America","publication_name":"Geology"},"translated_abstract":"Interactions between midlatitude westerlies and the Pamir–Tian Shan mountains significantly impact hydroclimate patterns in Central Asia today, and they played an important role in driving Asian aridification during the Cenozoic. We show that distinct west-east hydroclimate differences were established over Central Asia during the late Oligocene (ca. 25 Ma), as recorded by stable oxygen isotopic values of soil carbonates. Our climate simulations show that these differences are present when relief of the Pamir–Tian Shan is higher than 75% of modern elevation (∼3000 m). Integrated with geological evidence, we suggest that a significant portion of the Pamir–Tian Shan orogen had reached elevations of ∼3 km and acted as a moisture barrier for the westerlies since ca. 25 Ma.","internal_url":"https://www.academia.edu/53550683/The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene","translated_internal_url":"","created_at":"2021-09-27T11:21:11.535-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":70341802,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341802/thumbnails/1.jpg","file_name":"728.pdf","download_url":"https://www.academia.edu/attachments/70341802/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_role_of_the_westerlies_and_orography.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341802/728-libre.pdf?1632769390=\u0026response-content-disposition=attachment%3B+filename%3DThe_role_of_the_westerlies_and_orography.pdf\u0026Expires=1733020969\u0026Signature=K7vwFwctvNNLfLPkCCDxR-O0h8uVnmtixPJDzAVFGHeegnVOJ85Gtgo2tjun1KwZB6kY-stGufDsfj9Lqw4RwLEy956PHBRnsAj-EozZYPp5LIyBkAEZKlzXEgPk~SGXI5Duv0njBHiSTDmqu1qXpXj0Dd4dT5L7OmKBwNAAP7yNYKEgE25X6emQH8aGjz2pmvrT65p~GVnb0Z0chgh7T4tUug-i6mYxVmqlZqh1xphT~Yjax3rwFdy233cGiANKRZy~un~nPU-ArMS-QMQwnNG-XQqDHH89uHXljnee7~~NyOdOraqevg78ASKew2U8H8fib~~pg8sUScjK5XO3lA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"The_role_of_the_westerlies_and_orography_in_Asian_hydroclimate_since_the_late_Oligocene","translated_slug":"","page_count":5,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[{"id":70341802,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341802/thumbnails/1.jpg","file_name":"728.pdf","download_url":"https://www.academia.edu/attachments/70341802/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_role_of_the_westerlies_and_orography.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341802/728-libre.pdf?1632769390=\u0026response-content-disposition=attachment%3B+filename%3DThe_role_of_the_westerlies_and_orography.pdf\u0026Expires=1733020969\u0026Signature=K7vwFwctvNNLfLPkCCDxR-O0h8uVnmtixPJDzAVFGHeegnVOJ85Gtgo2tjun1KwZB6kY-stGufDsfj9Lqw4RwLEy956PHBRnsAj-EozZYPp5LIyBkAEZKlzXEgPk~SGXI5Duv0njBHiSTDmqu1qXpXj0Dd4dT5L7OmKBwNAAP7yNYKEgE25X6emQH8aGjz2pmvrT65p~GVnb0Z0chgh7T4tUug-i6mYxVmqlZqh1xphT~Yjax3rwFdy233cGiANKRZy~un~nPU-ArMS-QMQwnNG-XQqDHH89uHXljnee7~~NyOdOraqevg78ASKew2U8H8fib~~pg8sUScjK5XO3lA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"},{"id":70341801,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341801/thumbnails/1.jpg","file_name":"728.pdf","download_url":"https://www.academia.edu/attachments/70341801/download_file","bulk_download_file_name":"The_role_of_the_westerlies_and_orography.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341801/728-libre.pdf?1632769390=\u0026response-content-disposition=attachment%3B+filename%3DThe_role_of_the_westerlies_and_orography.pdf\u0026Expires=1733020969\u0026Signature=DPWDatd~azdxNTi5wvhHEtajIy-vQaXMAU-nK3ZDgm~i3cSh~8zwDM4dvEuTgqVIEu1RaE~a5yl2ew9sCFdJ1zQaHQwWuvOhJgvXBtuieo2JjSN7VR~5BVNnaMKDRZhWACJ0vIbh1l~B9lhoildO-0LLF6QCbp2jNoGjx0J0ZYp9v8GnZB3LVgM7VTXEHdrLDF7B6hi6mvViePvYlfGWM4sgxMXPiMRxN6PA8fThh5wTuv5bmUJDV808odgOryhRMi8pOhvfob~TwXuBqkTYThnZdr9yXMyGkK0-oEbTBbugHbKdSBc4Z9jly4eMSxTJJhX8eQIcQ146Fdbb5-MeJA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences"},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology"}],"urls":[{"id":11558474,"url":"https://pubs.geoscienceworld.org/gsa/geology/article-pdf/48/7/728/5072886/728.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550682"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550682/Ecological_and_hydroclimate_responses_to_strengthening_of_the_Hadley_circulation_in_South_America_during_the_Late_Miocene_cooling"><img alt="Research paper thumbnail of Ecological and hydroclimate responses to strengthening of the Hadley circulation in South America during the Late Miocene cooling" class="work-thumbnail" src="https://attachments.academia-assets.com/70341877/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550682/Ecological_and_hydroclimate_responses_to_strengthening_of_the_Hadley_circulation_in_South_America_during_the_Late_Miocene_cooling">Ecological and hydroclimate responses to strengthening of the Hadley circulation in South America during the Late Miocene cooling</a></div><div class="wp-workCard_item"><span>Proceedings of the National Academy of Sciences</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Near-modern ecosystems were established as a result of rapid ecological adaptation and climate ch...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Near-modern ecosystems were established as a result of rapid ecological adaptation and climate change in the Late Miocene. On land, Late Miocene aridification spread in tandem with expansion of open habitats including C4 grassland ecosystems. Proxy records for the central Andes spanning the Late Miocene cooling (LMC) show the reorganization of subtropical ecosystems and hydroclimate in South America between 15 and 35°S. Continental pedogenic carbonates preserved in Neogene basins record a general increase of δ18O and δ13C values from pre-LMC to post-LMC, most robustly occurring in the subtropics (25 to 30°S), suggesting aridification and a shift toward a more C4-plant-dominated ecosystem. These changes are closely tied to the enhancement of the Hadley circulation and moisture divergence away from the subtropics toward the Intertropical Convergence Zone as revealed by climate model simulations with prescribed sea-surface temperatures (SSTs) reflecting different magnitudes of LMC stee...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d7efb8174bb06214d8f85f52a6a5b216" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341877,"asset_id":53550682,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341877/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550682"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550682"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550682; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550682]").text(description); $(".js-view-count[data-work-id=53550682]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550682; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550682']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550682, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "d7efb8174bb06214d8f85f52a6a5b216" } } $('.js-work-strip[data-work-id=53550682]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550682,"title":"Ecological and hydroclimate responses to strengthening of the Hadley circulation in South America during the Late Miocene cooling","translated_title":"","metadata":{"abstract":"Near-modern ecosystems were established as a result of rapid ecological adaptation and climate change in the Late Miocene. On land, Late Miocene aridification spread in tandem with expansion of open habitats including C4 grassland ecosystems. Proxy records for the central Andes spanning the Late Miocene cooling (LMC) show the reorganization of subtropical ecosystems and hydroclimate in South America between 15 and 35°S. Continental pedogenic carbonates preserved in Neogene basins record a general increase of δ18O and δ13C values from pre-LMC to post-LMC, most robustly occurring in the subtropics (25 to 30°S), suggesting aridification and a shift toward a more C4-plant-dominated ecosystem. These changes are closely tied to the enhancement of the Hadley circulation and moisture divergence away from the subtropics toward the Intertropical Convergence Zone as revealed by climate model simulations with prescribed sea-surface temperatures (SSTs) reflecting different magnitudes of LMC stee...","publisher":"Proceedings of the National Academy of Sciences","publication_name":"Proceedings of the National Academy of Sciences"},"translated_abstract":"Near-modern ecosystems were established as a result of rapid ecological adaptation and climate change in the Late Miocene. On land, Late Miocene aridification spread in tandem with expansion of open habitats including C4 grassland ecosystems. Proxy records for the central Andes spanning the Late Miocene cooling (LMC) show the reorganization of subtropical ecosystems and hydroclimate in South America between 15 and 35°S. Continental pedogenic carbonates preserved in Neogene basins record a general increase of δ18O and δ13C values from pre-LMC to post-LMC, most robustly occurring in the subtropics (25 to 30°S), suggesting aridification and a shift toward a more C4-plant-dominated ecosystem. These changes are closely tied to the enhancement of the Hadley circulation and moisture divergence away from the subtropics toward the Intertropical Convergence Zone as revealed by climate model simulations with prescribed sea-surface temperatures (SSTs) reflecting different magnitudes of LMC stee...","internal_url":"https://www.academia.edu/53550682/Ecological_and_hydroclimate_responses_to_strengthening_of_the_Hadley_circulation_in_South_America_during_the_Late_Miocene_cooling","translated_internal_url":"","created_at":"2021-09-27T11:21:11.333-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":70341877,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341877/thumbnails/1.jpg","file_name":"9747.full.pdf","download_url":"https://www.academia.edu/attachments/70341877/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Ecological_and_hydroclimate_responses_to.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341877/9747.full-libre.pdf?1632769387=\u0026response-content-disposition=attachment%3B+filename%3DEcological_and_hydroclimate_responses_to.pdf\u0026Expires=1733020969\u0026Signature=AFtM~~qDjd18Xz~3AFi486juv~LBhL6AutVVyVj1xckgqFCxO4tu-5RoLDNudi9q8cQk~knaAh-cldGWctBfIXDn1NgQ-nhowdZ6VQ8rnZqnK7QNOMdjxgJzhwesZynaMuuPK-i1H65KpkX9yZ5O9GicmdIcvSO8tT78Z4-BhNvYJrfA3knQBILTB-O8knns8b7MID5Hnr9wnGD2DUe1yopi9Bu2YJ5atZhI58Xit7722QKXU83xPo9XTyaAQr~qZrWUWOgGz3o8tejYKyKK2C6ANiapiFTGYF6kkXjYi034ddcRKLpH3HaA9Y0BNhZRql4om4q746fvVs7SWKgE1g__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Ecological_and_hydroclimate_responses_to_strengthening_of_the_Hadley_circulation_in_South_America_during_the_Late_Miocene_cooling","translated_slug":"","page_count":6,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[{"id":70341877,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341877/thumbnails/1.jpg","file_name":"9747.full.pdf","download_url":"https://www.academia.edu/attachments/70341877/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Ecological_and_hydroclimate_responses_to.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341877/9747.full-libre.pdf?1632769387=\u0026response-content-disposition=attachment%3B+filename%3DEcological_and_hydroclimate_responses_to.pdf\u0026Expires=1733020969\u0026Signature=AFtM~~qDjd18Xz~3AFi486juv~LBhL6AutVVyVj1xckgqFCxO4tu-5RoLDNudi9q8cQk~knaAh-cldGWctBfIXDn1NgQ-nhowdZ6VQ8rnZqnK7QNOMdjxgJzhwesZynaMuuPK-i1H65KpkX9yZ5O9GicmdIcvSO8tT78Z4-BhNvYJrfA3knQBILTB-O8knns8b7MID5Hnr9wnGD2DUe1yopi9Bu2YJ5atZhI58Xit7722QKXU83xPo9XTyaAQr~qZrWUWOgGz3o8tejYKyKK2C6ANiapiFTGYF6kkXjYi034ddcRKLpH3HaA9Y0BNhZRql4om4q746fvVs7SWKgE1g__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary"}],"urls":[{"id":11558473,"url":"https://syndication.highwire.org/content/doi/10.1073/pnas.1810721116"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550681"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550681/Humans_permanently_occupied_the_Andean_highlands_by_at_least_7_ka"><img alt="Research paper thumbnail of Humans permanently occupied the Andean highlands by at least 7 ka" class="work-thumbnail" src="https://attachments.academia-assets.com/70341875/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550681/Humans_permanently_occupied_the_Andean_highlands_by_at_least_7_ka">Humans permanently occupied the Andean highlands by at least 7 ka</a></div><div class="wp-workCard_item"><span>Royal Society open science</span><span>, 2017</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet&#3...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet&#39;s last frontiers of human colonization. Research on the speed and tempo of this colonization process is active and holds implications for understanding rates of genetic, physiological and cultural adaptation in our species. Permanent occupation of high-elevation environments in the Andes Mountains of South America tentatively began with hunter-gatherers around 9 ka according to current archaeological estimates, though the timing is currently debated. Recent observations on the archaeological site of Soro Mik&#39;aya Patjxa (8.0-6.5 ka), located at 3800 m.a.s.l. in the Andean Altiplano, offer an opportunity to independently test hypotheses for early permanent use of the region. This study observes low oxygen (δ(18)O) and high carbon (δ(13)C) isotope values in human bone, long travel distances to low-elevation zones, variable age and sex structure in the human population and an absence o...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="878305f83bc6f5322c7163003feccf58" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341875,"asset_id":53550681,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341875/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550681"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550681"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550681; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550681]").text(description); $(".js-view-count[data-work-id=53550681]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550681; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550681']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550681, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "878305f83bc6f5322c7163003feccf58" } } $('.js-work-strip[data-work-id=53550681]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550681,"title":"Humans permanently occupied the Andean highlands by at least 7 ka","translated_title":"","metadata":{"abstract":"High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet\u0026#39;s last frontiers of human colonization. Research on the speed and tempo of this colonization process is active and holds implications for understanding rates of genetic, physiological and cultural adaptation in our species. Permanent occupation of high-elevation environments in the Andes Mountains of South America tentatively began with hunter-gatherers around 9 ka according to current archaeological estimates, though the timing is currently debated. Recent observations on the archaeological site of Soro Mik\u0026#39;aya Patjxa (8.0-6.5 ka), located at 3800 m.a.s.l. in the Andean Altiplano, offer an opportunity to independently test hypotheses for early permanent use of the region. This study observes low oxygen (δ(18)O) and high carbon (δ(13)C) isotope values in human bone, long travel distances to low-elevation zones, variable age and sex structure in the human population and an absence o...","ai_title_tag":"Permanent Human Occupation of the Andean Highlands by 7 ka","publication_date":{"day":null,"month":null,"year":2017,"errors":{}},"publication_name":"Royal Society open science"},"translated_abstract":"High-elevation environments above 2500 metres above sea level (m.a.s.l.) were among the planet\u0026#39;s last frontiers of human colonization. Research on the speed and tempo of this colonization process is active and holds implications for understanding rates of genetic, physiological and cultural adaptation in our species. Permanent occupation of high-elevation environments in the Andes Mountains of South America tentatively began with hunter-gatherers around 9 ka according to current archaeological estimates, though the timing is currently debated. Recent observations on the archaeological site of Soro Mik\u0026#39;aya Patjxa (8.0-6.5 ka), located at 3800 m.a.s.l. in the Andean Altiplano, offer an opportunity to independently test hypotheses for early permanent use of the region. 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However, in spite of the significant role seagrasses play today, the fossil record contains little evidence of the distribution and abundance of seagrass species in the past and many questions about their biology, ecology, and evolutionary history remain. We have developed, and present here, a parameter driven numerical model of global seagrass biogeography and diversity appropriate for paleontological and paleoecological investigations. The global distribution of seagrasses in our model is dependent on four input parameters, water temperature, water salinity, water depth, and photosynthetically available radiation at depth. With these limited inputs, our model captures both the location and biodiversity of modern seagrass distributions well. The simplicity of our model and its robust representation of modern conditions give it tremendous flexibility for applications throughout the ~70 Ma long history of seagrasses. Paleo ocean temperatures, salinity, water depths, and incident radiation are available from paleoclimatic/proxy datasets and/or numerical simulations of past environmental/climatic conditions, thus permitting investigations into time specific seagrass biogeography and diversity throughout its evolutionary history. In addition, the simplicity of our model allows for theoretical investigations of seagrass paleoecology and response to environmental changes. Both applications will contribute significantly to furthering our understanding of seagrasses, seagrass dominated ecosystems, and the roles they have played in the earth system over the past 70 Ma.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550680"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550680"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550680; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550680]").text(description); $(".js-view-count[data-work-id=53550680]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550680; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550680']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550680, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=53550680]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550680,"title":"A Predictive Model for Investigating Seagrass Paleoecology, Biogeography and Diversity","translated_title":"","metadata":{"abstract":"ABSTRACT Seagrasses are highly productive components of coastal ecosystems that play significant roles in the flow of nutrients and the modulation of physical conditions within the world\u0026amp;#39;s oceans. However, in spite of the significant role seagrasses play today, the fossil record contains little evidence of the distribution and abundance of seagrass species in the past and many questions about their biology, ecology, and evolutionary history remain. We have developed, and present here, a parameter driven numerical model of global seagrass biogeography and diversity appropriate for paleontological and paleoecological investigations. The global distribution of seagrasses in our model is dependent on four input parameters, water temperature, water salinity, water depth, and photosynthetically available radiation at depth. With these limited inputs, our model captures both the location and biodiversity of modern seagrass distributions well. The simplicity of our model and its robust representation of modern conditions give it tremendous flexibility for applications throughout the ~70 Ma long history of seagrasses. Paleo ocean temperatures, salinity, water depths, and incident radiation are available from paleoclimatic/proxy datasets and/or numerical simulations of past environmental/climatic conditions, thus permitting investigations into time specific seagrass biogeography and diversity throughout its evolutionary history. In addition, the simplicity of our model allows for theoretical investigations of seagrass paleoecology and response to environmental changes. Both applications will contribute significantly to furthering our understanding of seagrasses, seagrass dominated ecosystems, and the roles they have played in the earth system over the past 70 Ma.","publication_date":{"day":1,"month":12,"year":2008,"errors":{}}},"translated_abstract":"ABSTRACT Seagrasses are highly productive components of coastal ecosystems that play significant roles in the flow of nutrients and the modulation of physical conditions within the world\u0026amp;#39;s oceans. However, in spite of the significant role seagrasses play today, the fossil record contains little evidence of the distribution and abundance of seagrass species in the past and many questions about their biology, ecology, and evolutionary history remain. We have developed, and present here, a parameter driven numerical model of global seagrass biogeography and diversity appropriate for paleontological and paleoecological investigations. The global distribution of seagrasses in our model is dependent on four input parameters, water temperature, water salinity, water depth, and photosynthetically available radiation at depth. With these limited inputs, our model captures both the location and biodiversity of modern seagrass distributions well. The simplicity of our model and its robust representation of modern conditions give it tremendous flexibility for applications throughout the ~70 Ma long history of seagrasses. Paleo ocean temperatures, salinity, water depths, and incident radiation are available from paleoclimatic/proxy datasets and/or numerical simulations of past environmental/climatic conditions, thus permitting investigations into time specific seagrass biogeography and diversity throughout its evolutionary history. In addition, the simplicity of our model allows for theoretical investigations of seagrass paleoecology and response to environmental changes. Both applications will contribute significantly to furthering our understanding of seagrasses, seagrass dominated ecosystems, and the roles they have played in the earth system over the past 70 Ma.","internal_url":"https://www.academia.edu/53550680/A_Predictive_Model_for_Investigating_Seagrass_Paleoecology_Biogeography_and_Diversity","translated_internal_url":"","created_at":"2021-09-27T11:21:11.067-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"A_Predictive_Model_for_Investigating_Seagrass_Paleoecology_Biogeography_and_Diversity","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[],"research_interests":[{"id":28157,"name":"Environmental Change","url":"https://www.academia.edu/Documents/in/Environmental_Change"},{"id":57423,"name":"Fossil record","url":"https://www.academia.edu/Documents/in/Fossil_record"},{"id":60658,"name":"Numerical Simulation","url":"https://www.academia.edu/Documents/in/Numerical_Simulation"},{"id":165465,"name":"Evolutionary History","url":"https://www.academia.edu/Documents/in/Evolutionary_History"},{"id":192514,"name":"Water Temperature","url":"https://www.academia.edu/Documents/in/Water_Temperature"},{"id":224767,"name":"Prediction Model","url":"https://www.academia.edu/Documents/in/Prediction_Model"},{"id":497452,"name":"Numerical Model","url":"https://www.academia.edu/Documents/in/Numerical_Model"},{"id":1242196,"name":"Water Depth","url":"https://www.academia.edu/Documents/in/Water_Depth"},{"id":3617396,"name":"Climatic 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src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550679/Central_Asian_aridification_during_the_late_Eocene_to_early_Miocene_inferred_from_preliminary_study_of_shallow_marine_eolian_sedimentary_rocks_from_northeastern_Tajik_Basin">Central Asian aridification during the late Eocene to early Miocene inferred from preliminary study of shallow marine-eolian sedimentary rocks from northeastern Tajik Basin</a></div><div class="wp-workCard_item"><span>Science China Earth Sciences</span><span>, 2016</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span 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class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550670/The_evolution_of_aquatic_feeding_in_seals_insights_from_Enaliarctos_Carnivora_Pinnipedimorpha_the_oldest_known_seal">The evolution of aquatic feeding in seals: insights from Enaliarctos (Carnivora: Pinnipedimorpha), the oldest known seal</a></div><div class="wp-workCard_item"><span>Journal of evolutionary biology</span><span>, Jan 5, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The development of pierce-feeding and loss of oral processing represented major adaptations for u...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The development of pierce-feeding and loss of oral processing represented major adaptations for underwater feeding in marine mammals. We examined the evolution of pierce-feeding and its association with changes in tooth spacing and tooth size to determine whether pierce-feeding was practiced by the earliest known pinnipeds. Data on crown size and spacing in postcanine dentition were collected and 1) analyzed by principal components analysis (PCA) to determine the tooth morphospace of arctoid carnivores, 2) analyzed by least squares (LS) regression and phylogenetic independent contrasts (PIC) to determine what morphological variables were associated with increases in tooth spacing, and 3) used to reconstruct the evolution of feeding related traits within a phylogenetic context. The PCA analysis revealed that within arctoid carnivores the greatest differences in morphospace were associated with pierce-feeding, and the early-diverging seal Enaliarctos was placed within the pinniped mor...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="6bff4e0c9121b57be4f07b648c6db668" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341876,"asset_id":53550670,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341876/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550670"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550670"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550670; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550670]").text(description); $(".js-view-count[data-work-id=53550670]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550670; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550670']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550670, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "6bff4e0c9121b57be4f07b648c6db668" } } $('.js-work-strip[data-work-id=53550670]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550670,"title":"The evolution of aquatic feeding in seals: insights from Enaliarctos (Carnivora: Pinnipedimorpha), the oldest known seal","translated_title":"","metadata":{"abstract":"The development of pierce-feeding and loss of oral processing represented major adaptations for underwater feeding in marine mammals. We examined the evolution of pierce-feeding and its association with changes in tooth spacing and tooth size to determine whether pierce-feeding was practiced by the earliest known pinnipeds. Data on crown size and spacing in postcanine dentition were collected and 1) analyzed by principal components analysis (PCA) to determine the tooth morphospace of arctoid carnivores, 2) analyzed by least squares (LS) regression and phylogenetic independent contrasts (PIC) to determine what morphological variables were associated with increases in tooth spacing, and 3) used to reconstruct the evolution of feeding related traits within a phylogenetic context. The PCA analysis revealed that within arctoid carnivores the greatest differences in morphospace were associated with pierce-feeding, and the early-diverging seal Enaliarctos was placed within the pinniped mor...","ai_title_tag":"Aquatic Feeding Evolution in Enaliarctos: Insights on Seals","publication_date":{"day":5,"month":1,"year":2015,"errors":{}},"publication_name":"Journal of evolutionary biology"},"translated_abstract":"The development of pierce-feeding and loss of oral processing represented major adaptations for underwater feeding in marine mammals. We examined the evolution of pierce-feeding and its association with changes in tooth spacing and tooth size to determine whether pierce-feeding was practiced by the earliest known pinnipeds. Data on crown size and spacing in postcanine dentition were collected and 1) analyzed by principal components analysis (PCA) to determine the tooth morphospace of arctoid carnivores, 2) analyzed by least squares (LS) regression and phylogenetic independent contrasts (PIC) to determine what morphological variables were associated with increases in tooth spacing, and 3) used to reconstruct the evolution of feeding related traits within a phylogenetic context. The PCA analysis revealed that within arctoid carnivores the greatest differences in morphospace were associated with pierce-feeding, and the early-diverging seal Enaliarctos was placed within the pinniped mor...","internal_url":"https://www.academia.edu/53550670/The_evolution_of_aquatic_feeding_in_seals_insights_from_Enaliarctos_Carnivora_Pinnipedimorpha_the_oldest_known_seal","translated_internal_url":"","created_at":"2021-09-27T11:21:10.156-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":70341876,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341876/thumbnails/1.jpg","file_name":"jeb.pdf","download_url":"https://www.academia.edu/attachments/70341876/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_evolution_of_aquatic_feeding_in_seal.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341876/jeb-libre.pdf?1632769380=\u0026response-content-disposition=attachment%3B+filename%3DThe_evolution_of_aquatic_feeding_in_seal.pdf\u0026Expires=1733020969\u0026Signature=cpd0x~OIUQ2dThXFyNr-fL~FbzZcy6iETDuyMIIuZQn-Uny5DjCfOI627Q4YCVmGcHsOTGSv0Fyoqmzua3VMi5d8UFYEXqVbKi3z-3~K5CyJbmkbuRdaNCPQnzwtbHSk19HD6G4y02nsn3hpoWGPa5xoqxUnO~EsYIRhT--tzjTMnLl3qtJS6NhIpcNZvzL0EG3xraWrj9xbWyCeLSA493rxI4QYFq1qC9fbr1o3hhF0OBO8wkeTPsucjKuGvOupMNqy4DdrqHfVmuKTzFRQvgEKsPUoyUHB4avYYiGk-PGY58V8s6W6KVuYeW31ExYyG6DfoNthToxMX0DNGvAKxg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"The_evolution_of_aquatic_feeding_in_seals_insights_from_Enaliarctos_Carnivora_Pinnipedimorpha_the_oldest_known_seal","translated_slug":"","page_count":16,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[{"id":70341876,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341876/thumbnails/1.jpg","file_name":"jeb.pdf","download_url":"https://www.academia.edu/attachments/70341876/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_evolution_of_aquatic_feeding_in_seal.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341876/jeb-libre.pdf?1632769380=\u0026response-content-disposition=attachment%3B+filename%3DThe_evolution_of_aquatic_feeding_in_seal.pdf\u0026Expires=1733020969\u0026Signature=cpd0x~OIUQ2dThXFyNr-fL~FbzZcy6iETDuyMIIuZQn-Uny5DjCfOI627Q4YCVmGcHsOTGSv0Fyoqmzua3VMi5d8UFYEXqVbKi3z-3~K5CyJbmkbuRdaNCPQnzwtbHSk19HD6G4y02nsn3hpoWGPa5xoqxUnO~EsYIRhT--tzjTMnLl3qtJS6NhIpcNZvzL0EG3xraWrj9xbWyCeLSA493rxI4QYFq1qC9fbr1o3hhF0OBO8wkeTPsucjKuGvOupMNqy4DdrqHfVmuKTzFRQvgEKsPUoyUHB4avYYiGk-PGY58V8s6W6KVuYeW31ExYyG6DfoNthToxMX0DNGvAKxg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":155,"name":"Evolutionary Biology","url":"https://www.academia.edu/Documents/in/Evolutionary_Biology"},{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"}],"urls":[]}, dispatcherData: dispatcherData }); 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Coupled Carbon Isotope Analysis Of Bioapatite And Collagen As An Ecological And Paleoecological Tool</a></div><div class="wp-workCard_item"><span>Abstracts With Programs Geological Society of America</span><span>, 2009</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="7d94384c74561bb7eaf9a127be253122" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341870,"asset_id":53550667,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341870/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550667"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550667"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550667; 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Substantial new information can be gained from the incorporation of isotopic values from both the organic and inorganic fractions of bone. Here we show that combining isotopic data from both substrates provides valuable and unique insights into (1) trophic relationships and dietary interactions; (2) differences in digestive physiologies and (3) identification of palaeontological or archaeological remains that lack diagnostic morphological characters. We present a range of new isotopic data collected from modern and fossil mammals, and investigate patterns within several published datasets. We define carbon isotope spacing variables, and then explore four diverse palaeoecological and ecological case studies.","publication_date":{"day":null,"month":null,"year":2009,"errors":{}},"publication_name":"Abstracts With Programs Geological Society of America","grobid_abstract_attachment_id":70341870},"translated_abstract":null,"internal_url":"https://www.academia.edu/53550667/Revisiting_Old_Bones_Coupled_Carbon_Isotope_Analysis_Of_Bioapatite_And_Collagen_As_An_Ecological_And_Paleoecological_Tool","translated_internal_url":"","created_at":"2021-09-27T11:21:09.953-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":70341870,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341870/thumbnails/1.jpg","file_name":"gj.117320210927-7291-1greps1.pdf","download_url":"https://www.academia.edu/attachments/70341870/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Revisiting_Old_Bones_Coupled_Carbon_Isot.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341870/gj.117320210927-7291-1greps1-libre.pdf?1632769380=\u0026response-content-disposition=attachment%3B+filename%3DRevisiting_Old_Bones_Coupled_Carbon_Isot.pdf\u0026Expires=1733020969\u0026Signature=K94YWHf59-85zwdBtlkvApT2j9sXCamEn~7aUoT2-S805DgFXWgnme7q36O~FNfl5mLq4jyNGoIHsg6qv~PtbyQztJ0TxS-YZ5ql1BqyLV0X0Lg4nCeyemzMxUUIq8Fzue-CnK1pqd~dOnHtLrg~LnWdvs99UZKBUVFhYlFtjA6YgTEche~mqpmPIDG7brq7GOt4jTL~DXu6VkC3rSyYvV1FYTgJXEuk6UM2eV-3R0jVcGHY38hwoW11q8~MxU~8Cn2IUFsF9u~zkPtYIG26zqFrgMoCoOooKQ-GwNA-iXEXF7tmInI3A3IY5ac4WphqUu~WMPlZEFA7E9jvkxT8Vg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Revisiting_Old_Bones_Coupled_Carbon_Isotope_Analysis_Of_Bioapatite_And_Collagen_As_An_Ecological_And_Paleoecological_Tool","translated_slug":"","page_count":16,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[{"id":70341870,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341870/thumbnails/1.jpg","file_name":"gj.117320210927-7291-1greps1.pdf","download_url":"https://www.academia.edu/attachments/70341870/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Revisiting_Old_Bones_Coupled_Carbon_Isot.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341870/gj.117320210927-7291-1greps1-libre.pdf?1632769380=\u0026response-content-disposition=attachment%3B+filename%3DRevisiting_Old_Bones_Coupled_Carbon_Isot.pdf\u0026Expires=1733020969\u0026Signature=K94YWHf59-85zwdBtlkvApT2j9sXCamEn~7aUoT2-S805DgFXWgnme7q36O~FNfl5mLq4jyNGoIHsg6qv~PtbyQztJ0TxS-YZ5ql1BqyLV0X0Lg4nCeyemzMxUUIq8Fzue-CnK1pqd~dOnHtLrg~LnWdvs99UZKBUVFhYlFtjA6YgTEche~mqpmPIDG7brq7GOt4jTL~DXu6VkC3rSyYvV1FYTgJXEuk6UM2eV-3R0jVcGHY38hwoW11q8~MxU~8Cn2IUFsF9u~zkPtYIG26zqFrgMoCoOooKQ-GwNA-iXEXF7tmInI3A3IY5ac4WphqUu~WMPlZEFA7E9jvkxT8Vg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology"},{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry"},{"id":409,"name":"Geophysics","url":"https://www.academia.edu/Documents/in/Geophysics"},{"id":2403,"name":"Environmental Geology","url":"https://www.academia.edu/Documents/in/Environmental_Geology"},{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon"},{"id":7101,"name":"Paleoecology","url":"https://www.academia.edu/Documents/in/Paleoecology"},{"id":7941,"name":"Stable Isotopes","url":"https://www.academia.edu/Documents/in/Stable_Isotopes"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology"},{"id":83087,"name":"Isotopes","url":"https://www.academia.edu/Documents/in/Isotopes"},{"id":181569,"name":"Proteins","url":"https://www.academia.edu/Documents/in/Proteins"},{"id":646312,"name":"Geological","url":"https://www.academia.edu/Documents/in/Geological"}],"urls":[{"id":11558463,"url":"http://soundideas.pugetsound.edu/faculty_pubs/2269/"}]}, dispatcherData: dispatcherData }); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550659"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550659/Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems"><img alt="Research paper thumbnail of Stable Isotope Evidence of Variation in Nitrogen Fixation by Cyanobacteria in Coastal Ecosystems" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550659/Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems">Stable Isotope Evidence of Variation in Nitrogen Fixation by Cyanobacteria in Coastal Ecosystems</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Increased nutrient loading via both natural and anthropogenic factors has been reported as one po...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Increased nutrient loading via both natural and anthropogenic factors has been reported as one possible mechanism for the recent increase in the occurrence and intensity of harmful algal blooms (HAB) in coastal ecosystems. Influx of iron, phosphorous, and organic carbon have proven to be significant stimulating factors for HAB, since the benthic cyanobacteria that often make up these blooms are capable of nitrogen-fixation and require these nutrients for this process as well as photosynthesis. These cyanobacteria can switch to direct uptake of dissolved inorganic nitrogen (DIN), however, when concentrations are high enough to energetically favor this source, suggesting that high nitrogen input may also stimulate HAB. Given the distinct isotope differences between atmospheric N2 (00/00) and anthropogenic sources of DIN (&gt;60/00), measurement of the delta15N composition of cyanobacteria can provide a means of gauging the relative significance of anthropogenic versus atmospheric nitrogen to the growth of these blooms. Likewise, the delta13C composition of these primary producers is controlled by the delta13C composition of the DIC, and can be a second tracer of anthropogenic influx into marine ecosystems. A combined approach using both isotope tracers was employed to determine the significance of anthropogenic nitrogen on HAB in subtropical/tropical coastal marine ecosystems. Samples of cyanobacteria and associated macroalgae were collected from three coastal sites in Guam (Facpi Point, Tanguisson, and Ypao Beach), one locality in Hawaii, and three sites in southern Florida (Pepper Park, Fort Lauderdale, Florida Keys). Following removal of marine carbonates via an acid rinse, the delta13C and delta15N values were determined for each species. Cyanobacterial delta15N values ranged from -2.30/00 to 7.70/00 with the highest values reported from sites in Guam. Only cyanobacteria sampled from Hawaii showed no isotope evidence of an anthropogenic source for nitrogen. A strong negative correlation between delta13C and delta15N values was detected for cyanobacteria from all sites. This correlation suggests that cyanobacteria are fixing nitrogen under oligotrophic conditions, but switch to using the readily available DIN when the nutrient load is high. The discovery of this relationship in three separate locations and among several different species of cyanobacteria suggests that this is a common feature of HAB and that nitrogen influx may have a more significant impact on the formation of these blooms than previously thought.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550659"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550659"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550659; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550659]").text(description); $(".js-view-count[data-work-id=53550659]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550659; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550659']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550659, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=53550659]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550659,"title":"Stable Isotope Evidence of Variation in Nitrogen Fixation by Cyanobacteria in Coastal Ecosystems","translated_title":"","metadata":{"abstract":"Increased nutrient loading via both natural and anthropogenic factors has been reported as one possible mechanism for the recent increase in the occurrence and intensity of harmful algal blooms (HAB) in coastal ecosystems. Influx of iron, phosphorous, and organic carbon have proven to be significant stimulating factors for HAB, since the benthic cyanobacteria that often make up these blooms are capable of nitrogen-fixation and require these nutrients for this process as well as photosynthesis. These cyanobacteria can switch to direct uptake of dissolved inorganic nitrogen (DIN), however, when concentrations are high enough to energetically favor this source, suggesting that high nitrogen input may also stimulate HAB. Given the distinct isotope differences between atmospheric N2 (00/00) and anthropogenic sources of DIN (\u0026gt;60/00), measurement of the delta15N composition of cyanobacteria can provide a means of gauging the relative significance of anthropogenic versus atmospheric nitrogen to the growth of these blooms. Likewise, the delta13C composition of these primary producers is controlled by the delta13C composition of the DIC, and can be a second tracer of anthropogenic influx into marine ecosystems. A combined approach using both isotope tracers was employed to determine the significance of anthropogenic nitrogen on HAB in subtropical/tropical coastal marine ecosystems. Samples of cyanobacteria and associated macroalgae were collected from three coastal sites in Guam (Facpi Point, Tanguisson, and Ypao Beach), one locality in Hawaii, and three sites in southern Florida (Pepper Park, Fort Lauderdale, Florida Keys). Following removal of marine carbonates via an acid rinse, the delta13C and delta15N values were determined for each species. Cyanobacterial delta15N values ranged from -2.30/00 to 7.70/00 with the highest values reported from sites in Guam. Only cyanobacteria sampled from Hawaii showed no isotope evidence of an anthropogenic source for nitrogen. A strong negative correlation between delta13C and delta15N values was detected for cyanobacteria from all sites. This correlation suggests that cyanobacteria are fixing nitrogen under oligotrophic conditions, but switch to using the readily available DIN when the nutrient load is high. The discovery of this relationship in three separate locations and among several different species of cyanobacteria suggests that this is a common feature of HAB and that nitrogen influx may have a more significant impact on the formation of these blooms than previously thought."},"translated_abstract":"Increased nutrient loading via both natural and anthropogenic factors has been reported as one possible mechanism for the recent increase in the occurrence and intensity of harmful algal blooms (HAB) in coastal ecosystems. Influx of iron, phosphorous, and organic carbon have proven to be significant stimulating factors for HAB, since the benthic cyanobacteria that often make up these blooms are capable of nitrogen-fixation and require these nutrients for this process as well as photosynthesis. These cyanobacteria can switch to direct uptake of dissolved inorganic nitrogen (DIN), however, when concentrations are high enough to energetically favor this source, suggesting that high nitrogen input may also stimulate HAB. Given the distinct isotope differences between atmospheric N2 (00/00) and anthropogenic sources of DIN (\u0026gt;60/00), measurement of the delta15N composition of cyanobacteria can provide a means of gauging the relative significance of anthropogenic versus atmospheric nitrogen to the growth of these blooms. Likewise, the delta13C composition of these primary producers is controlled by the delta13C composition of the DIC, and can be a second tracer of anthropogenic influx into marine ecosystems. A combined approach using both isotope tracers was employed to determine the significance of anthropogenic nitrogen on HAB in subtropical/tropical coastal marine ecosystems. Samples of cyanobacteria and associated macroalgae were collected from three coastal sites in Guam (Facpi Point, Tanguisson, and Ypao Beach), one locality in Hawaii, and three sites in southern Florida (Pepper Park, Fort Lauderdale, Florida Keys). Following removal of marine carbonates via an acid rinse, the delta13C and delta15N values were determined for each species. Cyanobacterial delta15N values ranged from -2.30/00 to 7.70/00 with the highest values reported from sites in Guam. Only cyanobacteria sampled from Hawaii showed no isotope evidence of an anthropogenic source for nitrogen. A strong negative correlation between delta13C and delta15N values was detected for cyanobacteria from all sites. This correlation suggests that cyanobacteria are fixing nitrogen under oligotrophic conditions, but switch to using the readily available DIN when the nutrient load is high. The discovery of this relationship in three separate locations and among several different species of cyanobacteria suggests that this is a common feature of HAB and that nitrogen influx may have a more significant impact on the formation of these blooms than previously thought.","internal_url":"https://www.academia.edu/53550659/Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems","translated_internal_url":"","created_at":"2021-09-27T11:21:09.464-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Stable_Isotope_Evidence_of_Variation_in_Nitrogen_Fixation_by_Cyanobacteria_in_Coastal_Ecosystems","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[],"research_interests":[{"id":12036,"name":"Pepper","url":"https://www.academia.edu/Documents/in/Pepper"},{"id":63551,"name":"Nitrogen Fixation","url":"https://www.academia.edu/Documents/in/Nitrogen_Fixation"},{"id":91257,"name":"Stable Isotope","url":"https://www.academia.edu/Documents/in/Stable_Isotope"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen"},{"id":158597,"name":"Iron","url":"https://www.academia.edu/Documents/in/Iron"},{"id":445473,"name":"Harmful Algal bloom","url":"https://www.academia.edu/Documents/in/Harmful_Algal_bloom"},{"id":577354,"name":"Nutrient Loading","url":"https://www.academia.edu/Documents/in/Nutrient_Loading"},{"id":585192,"name":"Organic carbon","url":"https://www.academia.edu/Documents/in/Organic_carbon"},{"id":1022026,"name":"Marine ecosystem","url":"https://www.academia.edu/Documents/in/Marine_ecosystem"},{"id":1662178,"name":"Florida Keys","url":"https://www.academia.edu/Documents/in/Florida_Keys"}],"urls":[]}, dispatcherData: dispatcherData }); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="53550656"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/53550656/Evolution_of_dental_wear_during_the_origin_of_whales"><img alt="Research paper thumbnail of Evolution of dental wear during the origin of whales" class="work-thumbnail" src="https://attachments.academia-assets.com/70341886/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/53550656/Evolution_of_dental_wear_during_the_origin_of_whales">Evolution of dental wear during the origin of whales</a></div><div class="wp-workCard_item"><span>Paleobiology</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is gene...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is generally assumed that this reflects the evolutionary change from herbivory and omnivory to carnivory. To test hypotheses regarding tooth function and diet, we studied size and position of wear facets on the lower molars and the stable isotopes of enamel samples. We found that nearly all investigated Eocene cetaceans had dental wear different from typical wear in ungulates and isotope values indicating that they hunted similar prey and processed it similarly. The only exception is the protocetid Babiacetus, which probably ate larger prey with harder skeletons. The closest relative of cetaceans, the raoellid artiodactyl Indohyus, had wear facets that resemble those of Eocene cetaceans more than they do facets of basal artiodactyls. This is in spite of Indohyus&#39;s tooth crown morphology, which is unlike that of cetaceans, and its herbivorous diet, as indicated by stable isotopes. This impli...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="b53d0b61e9147a4be3fdc231b07a35b4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":70341886,"asset_id":53550656,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/70341886/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="53550656"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="53550656"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 53550656; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=53550656]").text(description); $(".js-view-count[data-work-id=53550656]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 53550656; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='53550656']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 53550656, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "b53d0b61e9147a4be3fdc231b07a35b4" } } $('.js-work-strip[data-work-id=53550656]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":53550656,"title":"Evolution of dental wear during the origin of whales","translated_title":"","metadata":{"abstract":"Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is generally assumed that this reflects the evolutionary change from herbivory and omnivory to carnivory. To test hypotheses regarding tooth function and diet, we studied size and position of wear facets on the lower molars and the stable isotopes of enamel samples. We found that nearly all investigated Eocene cetaceans had dental wear different from typical wear in ungulates and isotope values indicating that they hunted similar prey and processed it similarly. The only exception is the protocetid Babiacetus, which probably ate larger prey with harder skeletons. The closest relative of cetaceans, the raoellid artiodactyl Indohyus, had wear facets that resemble those of Eocene cetaceans more than they do facets of basal artiodactyls. This is in spite of Indohyus\u0026#39;s tooth crown morphology, which is unlike that of cetaceans, and its herbivorous diet, as indicated by stable isotopes. This impli...","publication_name":"Paleobiology"},"translated_abstract":"Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is generally assumed that this reflects the evolutionary change from herbivory and omnivory to carnivory. To test hypotheses regarding tooth function and diet, we studied size and position of wear facets on the lower molars and the stable isotopes of enamel samples. We found that nearly all investigated Eocene cetaceans had dental wear different from typical wear in ungulates and isotope values indicating that they hunted similar prey and processed it similarly. The only exception is the protocetid Babiacetus, which probably ate larger prey with harder skeletons. The closest relative of cetaceans, the raoellid artiodactyl Indohyus, had wear facets that resemble those of Eocene cetaceans more than they do facets of basal artiodactyls. This is in spite of Indohyus\u0026#39;s tooth crown morphology, which is unlike that of cetaceans, and its herbivorous diet, as indicated by stable isotopes. This impli...","internal_url":"https://www.academia.edu/53550656/Evolution_of_dental_wear_during_the_origin_of_whales","translated_internal_url":"","created_at":"2021-09-27T11:21:09.259-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":169044,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":70341886,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341886/thumbnails/1.jpg","file_name":"Evolution_of_dental_wear_during_the_orig20210927-7284-w7zxel.pdf","download_url":"https://www.academia.edu/attachments/70341886/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Evolution_of_dental_wear_during_the_orig.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341886/Evolution_of_dental_wear_during_the_orig20210927-7284-w7zxel.pdf?1632766943=\u0026response-content-disposition=attachment%3B+filename%3DEvolution_of_dental_wear_during_the_orig.pdf\u0026Expires=1733020969\u0026Signature=NN9x1DtSQe6WPpn2SOfmYBTi~8vhLas--KZawQLVxY3j-VKHV1~VdCcTDayq-RV7tXnpAX-Zdznje4Z-nqez3Cixs126iMcd38nEFCuMHd2Bm8d46dhMqgE2rb9focwf~6~Mte7wUBeue00Ab815R6fBcgReE3HkKmRt~hn02SZQRW~NfATRzH4aPUfaiBeZ~IPkPFl6bP6PJAp5vlrVAqpibT-C3sbSqNQNUHo1fhW6U9vzW3w8az6KzOiXehGziCklKb6JykEFnSFFv04~V04wIXvgoDICPSQML~hjbJ9UL0ODMtdQnUZYYwoGOJoRRUE1VX3GYEHyKnzPSP0C2w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Evolution_of_dental_wear_during_the_origin_of_whales","translated_slug":"","page_count":16,"language":"en","content_type":"Work","owner":{"id":169044,"first_name":"Mark","middle_initials":null,"last_name":"Clementz","page_name":"MarkClementz","domain_name":"uwyo","created_at":"2010-04-12T23:09:06.774-07:00","display_name":"Mark Clementz","url":"https://uwyo.academia.edu/MarkClementz"},"attachments":[{"id":70341886,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/70341886/thumbnails/1.jpg","file_name":"Evolution_of_dental_wear_during_the_orig20210927-7284-w7zxel.pdf","download_url":"https://www.academia.edu/attachments/70341886/download_file?st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&st=MTczMzAxNzM2OSw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Evolution_of_dental_wear_during_the_orig.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/70341886/Evolution_of_dental_wear_during_the_orig20210927-7284-w7zxel.pdf?1632766943=\u0026response-content-disposition=attachment%3B+filename%3DEvolution_of_dental_wear_during_the_orig.pdf\u0026Expires=1733020969\u0026Signature=NN9x1DtSQe6WPpn2SOfmYBTi~8vhLas--KZawQLVxY3j-VKHV1~VdCcTDayq-RV7tXnpAX-Zdznje4Z-nqez3Cixs126iMcd38nEFCuMHd2Bm8d46dhMqgE2rb9focwf~6~Mte7wUBeue00Ab815R6fBcgReE3HkKmRt~hn02SZQRW~NfATRzH4aPUfaiBeZ~IPkPFl6bP6PJAp5vlrVAqpibT-C3sbSqNQNUHo1fhW6U9vzW3w8az6KzOiXehGziCklKb6JykEFnSFFv04~V04wIXvgoDICPSQML~hjbJ9UL0ODMtdQnUZYYwoGOJoRRUE1VX3GYEHyKnzPSP0C2w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":155,"name":"Evolutionary Biology","url":"https://www.academia.edu/Documents/in/Evolutionary_Biology"},{"id":162,"name":"Paleobiology","url":"https://www.academia.edu/Documents/in/Paleobiology"},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology"}],"urls":[]}, dispatcherData: dispatcherData }); 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The Angastaco basin is the largest Cenozoic sedimentary basin in the Eastern Cordillera and preserves a continuous record of ~6 km of alluvial and lacustrine sedimentation. Sedimentological and provenance data reveal a basin history that is best explained within the context of an evolving foreland basin system that migrated through the region from late Eocene through middle Miocene time. Detrital zircon U-Pb ages provide an Eocene (~38 Ma) maximum depositional age for the oldest unit in the succession, the Quebrada de los Colorados Formation, which is interpreted as distal to proximal foredeep deposits. Development of an angular unconformity at ~14 Ma and the coarse-grained, proximal character of the overlying Angastaco Formation (lower to upper Miocene) suggest deposition in a wedge-top depozone. 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