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Eemian interglacial reconstructed from a Greenland folded ice core - PubMed

<!DOCTYPE html> <html lang="en" > <head itemscope itemtype="http://schema.org/WebPage" prefix="og: http://ogp.me/ns#" > <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <!-- Mobile properties --> <meta name="HandheldFriendly" content="True"> <meta name="MobileOptimized" content="320"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="preconnect" href="https://cdn.ncbi.nlm.nih.gov"> <link rel="preconnect" href="https://www.ncbi.nlm.nih.gov"> <link rel="preconnect" href="https://www.google-analytics.com"> <link rel="stylesheet" href="https://cdn.ncbi.nlm.nih.gov/pubmed/ed1a5a1f-b279-475e-88e3-75f261729818/CACHE/css/output.5ecf62baa0fa.css" type="text/css"> <link rel="stylesheet" href="https://cdn.ncbi.nlm.nih.gov/pubmed/ed1a5a1f-b279-475e-88e3-75f261729818/CACHE/css/output.452c70ce66f7.css" type="text/css"> <link rel="stylesheet" href="https://cdn.ncbi.nlm.nih.gov/pubmed/ed1a5a1f-b279-475e-88e3-75f261729818/CACHE/css/output.7bf600913d6e.css" type="text/css"> <link rel="stylesheet" href="https://cdn.ncbi.nlm.nih.gov/pubmed/ed1a5a1f-b279-475e-88e3-75f261729818/CACHE/css/output.0bfa59184c7a.css" type="text/css"> <title>Eemian interglacial reconstructed from a Greenland folded ice core - PubMed</title> <link rel="preload" as="font" href="https://cdn.ncbi.nlm.nih.gov/pubmed/ed1a5a1f-b279-475e-88e3-75f261729818/uswds/dist/fonts/merriweather-bold-webfont.woff2" type="font/woff2" crossorigin /> <!-- Favicons --> <link rel="shortcut icon" type="image/ico" href="https://cdn.ncbi.nlm.nih.gov/coreutils/nwds/img/favicons/favicon.ico" /> <link rel="icon" type="image/png" href="https://cdn.ncbi.nlm.nih.gov/coreutils/nwds/img/favicons/favicon.png" /> <!-- 192x192, as recommended for Android http://updates.html5rocks.com/2014/11/Support-for-theme-color-in-Chrome-39-for-Android --> <link rel="icon" type="image/png" sizes="192x192" href="https://cdn.ncbi.nlm.nih.gov/coreutils/nwds/img/favicons/favicon-192.png" /> <!-- 57x57 (precomposed) for iPhone 3GS, pre-2011 iPod Touch and older Android devices --> <link rel="apple-touch-icon-precomposed" href="https://cdn.ncbi.nlm.nih.gov/coreutils/nwds/img/favicons/favicon-57.png"> <!-- 72x72 (precomposed) for 1st generation iPad, iPad 2 and iPad mini --> <link rel="apple-touch-icon-precomposed" sizes="72x72" href="https://cdn.ncbi.nlm.nih.gov/coreutils/nwds/img/favicons/favicon-72.png"> <!-- 114x114 (precomposed) for iPhone 4, 4S, 5 and post-2011 iPod Touch --> <link rel="apple-touch-icon-precomposed" sizes="114x114" href="https://cdn.ncbi.nlm.nih.gov/coreutils/nwds/img/favicons/favicon-114.png"> <!-- 144x144 (precomposed) for iPad 3rd and 4th generation --> <link rel="apple-touch-icon-precomposed" sizes="144x144" href="https://cdn.ncbi.nlm.nih.gov/coreutils/nwds/img/favicons/favicon-144.png"> <!-- For Pinger + Google Optimize integration (NS-820) --> <meta name="ncbi_sg_optimize_id" content=""> <!-- Mobile browser address bar color --> <meta name="theme-color" content="#20558a"> <!-- Preserve the Referrer when going from HTTPS to HTTP --> <meta name="referrer" content="origin-when-cross-origin"> <meta name="ncbi_pinger_gtm_track" content="true"/> <!-- Logging params: Pinger defaults --> <meta name="ncbi_app" content="pubmed" /> <meta name="ncbi_db" content="pubmed" /> <meta name="ncbi_phid" content="321900014F25099500002B69E0F9ECF0.1.m_7" /> <meta name="ncbi_pinger_stat_url" content="https://www.ncbi.nlm.nih.gov/stat" /> <meta name="log_category" content="literature" /> <meta name="ncbi_cost_center" content="pubmed" /> <!-- Logging params: Pinger custom --> <meta name="ncbi_pdid" content="abstract" /> <meta name="log_op" content="retrieve" /> <meta name="uid" content="23344358" /> <meta name="ncbi_uid" content="23344358" /> <meta name="log_displayeduids" content="23344358" /> <meta name="log_source_db" content="pubmed" /> <meta name="log_icons_present" content="true" /> <!-- Social meta tags for unfurling urls --> <meta name="description" content="Efforts to extract a Greenland ice core with a complete record of the Eemian interglacial (130,000 to 115,000 years ago) have until now been unsuccessful. The response of the Greenland ice sheet to the warmer-than-present climate of the Eemian has thus remained unclear. Here we present the new North …"><meta name="keywords" content="pmid:23344358, doi:10.1038/nature11789, Research Support, Non-U.S. Gov&#x27;t, Research Support, U.S. Gov&#x27;t, Non-P.H.S., Comment, CollabAuthor(name=&#x27;NEEM community members&#x27;, investigators=[Author(firstnames=&#x27;D&#x27;, lastname=&#x27;Dahl-Jensen&#x27;, initials=&#x27;D&#x27;, affs=[], is_editor=False, suffix=None, equal_contrib=False), Author(firstnames=&#x27;M R&#x27;, lastname=&#x27;Albert&#x27;, initials=&#x27;M&#x27;, affs=[], is_editor=False, suffix=None, equal_contrib=False), Author(firstnames=&#x27;A&#x27;, lastname=&#x27;Aldahan&#x27;, initials=&#x27;A&#x27;, affs=[], is_editor=False, suffix=None, equal_contrib=False), Author(firstnames=&#x27;N&#x27;, lastname=&#x27;Azuma&#x27;, initials=&#x27;N&#x27;, affs=[], is_editor=False, suffix=None, equal_contrib=False), Author(firstnames=&#x27;D&#x27;, lastname=&#x27;Balslev-Clausen&#x27;, initials=&#x27;D&#x27;, affs=[], is_editor=False, suffix=None, 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is_editor=False, suffix=None, equal_contrib=False), Author(firstnames=&#x27;C&#x27;, lastname=&#x27;Xiao&#x27;, initials=&#x27;C&#x27;, affs=[], is_editor=False, suffix=None, equal_contrib=False), Author(firstnames=&#x27;J&#x27;, lastname=&#x27;Zheng&#x27;, initials=&#x27;J&#x27;, affs=[], is_editor=False, suffix=None, equal_contrib=False)], affs=[]), Global Warming / history*, Ice Cover*, PubMed Abstract, NIH, NLM, NCBI, National Institutes of Health, National Center for Biotechnology Information, National Library of Medicine, MEDLINE"><meta name="robots" content="index,nofollow,noarchive"><meta property="og:title" content="Eemian interglacial reconstructed from a Greenland folded ice core - PubMed"><meta property="og:url" content="https://pubmed.ncbi.nlm.nih.gov/23344358/"><meta property="og:description" content="Efforts to extract a Greenland ice core with a complete record of the Eemian interglacial (130,000 to 115,000 years ago) have until now been unsuccessful. The response of the Greenland ice sheet to the warmer-than-present climate of the Eemian has thus remained unclear. Here we present the new North …"><meta property="og:image" content="https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-meta-image-v2.jpg"><meta property="og:image:secure_url" content="https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-meta-image-v2.jpg"><meta property="og:type" content="website"><meta property="og:site_name" content="PubMed"><meta name="twitter:domain" content="pubmed.ncbi.nlm.nih.gov"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:title" content="Eemian interglacial reconstructed from a Greenland folded ice core - PubMed"><meta name="twitter:url" content="https://pubmed.ncbi.nlm.nih.gov/23344358/"><meta name="twitter:description" content="Efforts to extract a Greenland ice core with a complete record of the Eemian interglacial (130,000 to 115,000 years ago) have until now been unsuccessful. The response of the Greenland ice sheet to the warmer-than-present climate of the Eemian has thus remained unclear. 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citations to file' panel" ref="linksrc=close_save_panel" aria-controls="save-action-panel" aria-expanded="false" data-ga-category="save_share" data-ga-action="save" data-ga-label="cancel"> Cancel </button> </div> </form> </div> </div> <div id="email-action-panel" class="email-action-panel action-panel" aria-hidden="true" data-recaptcha-script-url="https://www.recaptcha.net/recaptcha/enterprise.js?render=explicit&onload=onloadCaptchaCallback" data-recaptcha-enabled="true"> <div class="inner-wrap"> <h2 class="action-panel-heading"> Email citation </h2> <form id="email-action-panel-form" class="action-panel-content action-form" action="/send-email/" data-by-search-action="/results-export-email-by-search-data/" data-by-ids-action="/send-email/" data-by-search-method="post" data-by-ids-method="post" method="post" > <input type="hidden" name="csrfmiddlewaretoken" value="Y5OPtUuu7mYUIlTbouaIcnsA6vHIwpk4sTLjejk2WWZacW19q0Z31aBRbUoaXHWW"> <div class="action-panel-control-wrap"> <span 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maxlength="256"> </div> <div class="action-panel-control-wrap"> <label for="email-citation-format" class="action-panel-label"> Format: </label> <select id="email-citation-format" name="citation-format" class="action-panel-selector email-citation-format"> <option selected="selected" value="summary">Summary</option> <option value="summary-text">Summary (text)</option> <option value="abstract">Abstract</option> <option value="abstract-text">Abstract (text)</option> </select> </div> <div class="include-supplemental-container"> <input type="checkbox" aria-label="Include MeSH and other data" name="include-supplemental" id="email-include-supplemental" class="email-include-supplemental"> <label for="email-include-supplemental" class="email-include-supplemental-label">MeSH and other data</label> </div> <div class="form-field recaptcha "> <div class="g-recaptcha" id="id-recaptcha" data-sitekey="6LfsWHMdAAAAAClKbtOpjQ2pMjgsGxvv7NdZW9uI"></div> </div> <div id="captcha-error-message" class="usa-input-error-message captcha-validation-message" role="alert"></div> <div class="action-panel-actions"> <button class="action-panel-submit" type="submit" data-loading-label="Sending..." data-ga-category="save_share" data-ga-action="email" data-ga-label="send"> Send email </button> <button class="action-panel-cancel" aria-label="Close 'Email citations' panel" ref="linksrc=close_email_panel" aria-controls="email-action-panel" aria-expanded="false" data-ga-category="save_share" data-ga-action="email" data-ga-label="cancel"> Cancel </button> </div> <input type="hidden" name="email-search-details" value="" /> <input type="hidden" name="email-search-details-hash" value="0e42663a6c3bd85498fcb88798998fed7bfdc45d457db35281e41afe13cc0524" /> </form> </div> </div> <div id="collections-action-panel" class="collections-action-panel action-panel in-progress-dots-panel" aria-hidden="true" data-collections-open-panel-enabled="false" data-collections-open-panel-url-hash="#open-collections-panel"> <div class="inner-wrap"> <h3 class="action-panel-heading"> Add to Collections </h3> <form id="collections-action-panel-form" class="collections-action-panel-form action-panel-content action-form action-panel-smaller-selectors" data-existing-collections-url="/list-existing-collections/" data-add-to-existing-collection-url="/add-to-existing-collection/" data-create-and-add-to-new-collection-url="/create-and-add-to-new-collection/" data-get-article-ids-by-search-url="/get-article-ids-by-search/" data-myncbi-max-collection-name-length="100" data-add-to-collection-max-amount="1000" data-collections-root-url="https://www.ncbi.nlm.nih.gov/myncbi/collections/"> <input type="hidden" name="csrfmiddlewaretoken" value="Y5OPtUuu7mYUIlTbouaIcnsA6vHIwpk4sTLjejk2WWZacW19q0Z31aBRbUoaXHWW"> <div class="choice-group" role="radiogroup"> <ul class="radio-group-items"> <li> <input type="radio" id="collections-action-panel-new" class="collections-new" name="collections" value="new" data-ga-category="save_share" data-ga-action="collections" data-ga-label="collections_radio_new"> <label for="collections-action-panel-new">Create a new collection</label> </li> <li> <input type="radio" id="collections-action-panel-existing" class="collections-existing" name="collections" value="existing" checked="true" data-ga-category="save_share" data-ga-action="collections" data-ga-label="collections_radio_existing"> <label for="collections-action-panel-existing">Add to an existing collection</label> </li> </ul> </div> <div class="controls-wrapper"> <div class="action-panel-control-wrap new-collections-controls"> <label for="collections-action-panel-add-to-new" class="action-panel-label required-field-asterisk"> Name your collection: </label> <input type="text" name="add-to-new-collection" id="collections-action-panel-add-to-new" class="collections-action-add-to-new" pattern="[^&quot;&amp;=&lt;&gt;\/]*" title="The following characters are not allowed in the Name field: &quot;&amp;=&lt;&gt;/" maxlength="100" data-ga-category="save_share" data-ga-action="create_collection" data-ga-label="non_favorties_collection"> <div class="collections-new-name-too-long usa-input-error-message selection-validation-message"> Name must be less than 100 characters </div> </div> <div class="action-panel-control-wrap existing-collections-controls"> <label for="collections-action-panel-add-to-existing" class="action-panel-label"> Choose a collection: </label> <select id="collections-action-panel-add-to-existing" class="action-panel-selector collections-action-add-to-existing" data-ga-category="save_share" data-ga-action="select_collection" data-ga-label="($('#collections-action-add-to-existing').val() === 'Favorites') ? 'Favorites' : 'non_favorites_collection'"> </select> <div class="collections-retry-load-on-error usa-input-error-message selection-validation-message"> Unable to load your collection due to an error<br> <a href="#">Please try again</a> </div> </div> </div> <div class="action-panel-actions"> <button class="action-panel-submit" type="submit" data-loading-label="Adding..." data-pinger-ignore data-ga-category="save_share" data-ga-action="collections" data-ga-label="add"> Add </button> <button class="action-panel-cancel" aria-label="Close 'Add to Collections' panel" ref="linksrc=close_collections_panel" aria-controls="collections-action-panel" aria-expanded="false" data-ga-category="save_share" data-ga-action="collections" data-ga-label="cancel"> Cancel </button> </div> </form> </div> </div> <div id="bibliography-action-panel" class="bibliography-action-panel action-panel in-progress-dots-panel" aria-hidden="true" data-bibliography-open-panel-enabled="false" data-bibliography-open-panel-url-hash="#open-bibliography-panel"> <div class="inner-wrap"> <h3 class="action-panel-heading"> Add to My Bibliography </h3> <form id="bibliography-action-panel-form" class="bibliography-action-panel-form action-panel-content action-form action-panel-smaller-selectors" data-add-to-bibliography-max-amount="100" data-add-to-bibliography-batch-size="10" data-bibliography-delegates-url="/list-bibliography-delegates/" data-add-to-bibliography-url="/add-to-bibliography/" data-get-article-ids-by-search-url="/get-article-ids-by-search/" data-mybib-root-url="https://www.ncbi.nlm.nih.gov/myncbi/collections/mybibliography/"> <input type="hidden" name="csrfmiddlewaretoken" value="Y5OPtUuu7mYUIlTbouaIcnsA6vHIwpk4sTLjejk2WWZacW19q0Z31aBRbUoaXHWW"> <div class="action-panel-control-wrap bibliographies-controls"> <div class="choice-group"> <ul class="bibliographies-action-add radio-group-items"> <li> <input name="bibliography" id="my-bibliography" class="my-bibliography" type="radio" checked/> <label for="my-bibliography">My Bibliography</label> </li> </ul> </div> </div> <div class="bibliographies-retry-load-on-error usa-input-error-message selection-validation-message"> Unable to load your delegates due to an error<br> <a href="#">Please try again</a> </div> <div class="action-panel-actions"> <button class="action-panel-submit" type="submit" data-loading-label="Adding..." data-pinger-ignore> Add </button> <button class="action-panel-cancel" aria-label="Close 'Add to bibliography' panel" ref="linksrc=close_bibliography_panel" aria-controls="bibliography-action-panel" aria-expanded="false" data-ga-category="save_share" data-ga-action="mybib" data-ga-label="cancel"> Cancel </button> </div> </form> </div> </div> <div id="saved-search-action-panel" class="saved-search-action-panel action-panel " aria-hidden="true" data-saved-search-open-panel-enabled="false" data-saved-search-open-panel-url-hash="#open-saved-search-panel"> <div class="inner-wrap"> <h2 class="action-panel-heading"> Your saved search </h2> <form id="saved-search-action-panel-form" class="saved-search-action-panel-form action-panel-content action-form" data-create-saved-search-url="/create-saved-search/" data-try-search-terms-url="/try-search-term/" data-saved-search-root-url="https://www.ncbi.nlm.nih.gov/myncbi/searches/"> <input type="hidden" name="csrfmiddlewaretoken" value="Y5OPtUuu7mYUIlTbouaIcnsA6vHIwpk4sTLjejk2WWZacW19q0Z31aBRbUoaXHWW"> <div class="action-panel-control-wrap"> <label for="saved-search-name" class="action-panel-label saved-search-name-label required-field-asterisk"> Name of saved search: </label> <input maxlength="200" type="text" name="saved-search-name" id="saved-search-name" class="saved-search-name" value="" required pattern="[^&quot;&amp;=&lt;&gt;\/]*" title="The following characters are not allowed in the Name field: &quot;&amp;=&lt;&gt;/"> </div> <div class="action-panel-control-wrap"> <label for="saved-search-term" class="action-panel-label required-field-asterisk"> Search terms: </label> <textarea name="saved-search-term" id="saved-search-term" class="saved-search-term" required></textarea> </div> <div class="test-search-term-wrap"> <a href="#" class="try-search-term">Test search terms</a> </div> <div class="choice-group action-panel-extra-margin-top"> <span class="action-panel-label" id="fieldset-label"> Would you like email updates of new search results? </span> <fieldset id="saved-search-alert" aria-describedby="fieldset-label"> <legend class="usa-sr-only">Saved Search Alert Radio Buttons</legend> <ul class="radio-group-items"> <li> <input type="radio" id="saved-search-alert-yes" class="saved-search-alert-yes" name="saved-search-alert" value="yes" checked> <label for="saved-search-alert-yes" class="action-panel-label">Yes</label> </li> <li> <input aria-label="No radio input" type="radio" id="saved-search-alert-no" class="saved-search-alert-no" name="saved-search-alert" value="no"> <label for="saved-search-alert-no" class="action-panel-label">No</label> </li> </ul> </fieldset> </div> <div class="alert-schedule-wrap"> <div class="action-panel-control-wrap"> <label class="action-panel-label"> Email: </label> <span aria-label="Email address" id="saved-search-email" class="action-panel-label"><span class="action-panel-label-bold"></span> (<a class="myncbi-account-settings" href="https://www.ncbi.nlm.nih.gov/account/settings/">change</a>)</span> </div> <div class="action-panel-control-wrap action-panel-extra-margin-top"> <label for="saved-search-frequency" class="action-panel-label"> Frequency: </label> <select id="saved-search-frequency" class="no-border-panel-selector saved-search-frequency"> <option value="monthly">Monthly</option> <option value="weekly">Weekly</option> <option value="daily">Daily</option> </select> </div> <div class="action-panel-control-wrap saved-search-monthly-additional"> <label for="saved-search-monthly-on-day" class="action-panel-label"> Which day? </label> <select id="saved-search-monthly-on-day" class="no-border-panel-selector"> <option value="Sunday">The first Sunday</option> <option value="Monday">The first Monday</option> <option value="Tuesday">The first Tuesday</option> <option value="Wednesday">The first Wednesday</option> <option value="Thursday">The first Thursday</option> <option value="Friday">The first Friday</option> <option value="Saturday">The first Saturday</option> <option value="day">The first day</option> <option value="weekday">The first weekday</option> </select> </div> <div class="action-panel-control-wrap saved-search-weekly-additional"> <label for="saved-search-weekly-on-day" class="action-panel-label"> Which day? </label> <select id="saved-search-weekly-on-day" class="no-border-panel-selector saved-search-weekly-on-day"> <option value="Sunday">Sunday</option> <option value="Monday">Monday</option> <option value="Tuesday">Tuesday</option> <option value="Wednesday">Wednesday</option> <option value="Thursday">Thursday</option> <option value="Friday">Friday</option> <option value="Saturday">Saturday</option> </select> </div> <div class="action-panel-control-wrap"> <label for="saved-search-report" class="action-panel-label"> Report format: </label> <select id="saved-search-report" class="no-border-panel-selector saved-search-report"> <option value="DocSum">Summary</option> <option value="DocSumText">Summary (text)</option> <option value="Abstract">Abstract</option> <option value="AbstractText">Abstract (text)</option> <option value="MEDLINE">PubMed</option> </select> </div> <div class="action-panel-control-wrap"> <label for="saved-search-amount" class="action-panel-label"> Send at most: </label> <select id="saved-search-amount" class="no-border-panel-selector saved-search-amount"> <option value="1">1 item</option> <option value="5" selected>5 items</option> <option value="10">10 items</option> <option value="20">20 items</option> <option value="50">50 items</option> <option value="100">100 items</option> <option value="200">200 items</option> </select> </div> <div> <input type="checkbox" id="saved-search-send-if-no-result" class="saved-search-send-if-no-result" name="saved-search-send-if-no-result"> <label for="saved-search-send-if-no-result" class="action-panel-label smaller-checkbox"> Send even when there aren't any new results </label> </div> <div class="action-panel-control-wrap option-text-in-email-wrap"> <label for="saved-search-email-text" class="action-panel-label"> Optional text in email: </label> <textarea name="saved-search-email-text" id="saved-search-email-text" class="saved-search-email-text"></textarea> </div> </div> <div class="action-panel-actions"> <button class="action-panel-submit" type="submit" data-loading-label="Saving..." data-ga-category="save_share" data-ga-action="alert" data-ga-label="save"> Save </button> <button class="action-panel-cancel" aria-label="Close 'Your saved search' panel" ref="linksrc=close_saved_search_panel" aria-controls="saved-search-action-panel" aria-expanded="false" data-ga-category="save_share" data-ga-action="alert" data-ga-label="cancel"> Cancel </button> </div> </form> </div> </div> <div id="citation-manager-action-panel" class="citation-manager-action-panel action-panel" aria-hidden="true"> <div class="inner-wrap"> <h2 class="action-panel-heading"> Create a file for external citation management software </h2> <form id="citation-manager-action-panel-form" class="action-panel-content action-form" action="/results-export-ids/" data-by-search-action="/results-export-search-data/" data-by-ids-action="/results-export-ids/" method="post" data-by-search-method="post" data-by-ids-method="post"> <input type="hidden" name="csrfmiddlewaretoken" value="Y5OPtUuu7mYUIlTbouaIcnsA6vHIwpk4sTLjejk2WWZacW19q0Z31aBRbUoaXHWW"> <input name="results-format" type="hidden" value="pubmed"/> <div class="action-panel-actions"> <button class="action-panel-submit" type="submit" data-loading-label="Sending..." data-ga-category="save_share" data-ga-action="citation_manager" data-ga-label="save"> Create file </button> <button class="action-panel-cancel" aria-label="Close 'Send citations to citation manager' panel" ref="linksrc=close_citation_manager_panel" aria-controls="citation-manager-action-panel" aria-expanded="false" data-ga-category="save_share" data-ga-action="citation_manager" data-ga-label="cancel"> Cancel </button> </div> </form> </div> </div> <div id="rss-action-panel" class="rss-action-panel action-panel " aria-hidden="true"> <div class="inner-wrap"> <h2 class="action-panel-heading"> Your RSS Feed </h2> <form id="rss-action-panel-form" class="rss-action-panel-form action-panel-content action-form" data-create-rss-feed-url="/create-rss-feed-url/" data-search-form-term-value=""> <input type="hidden" name="csrfmiddlewaretoken" value="Y5OPtUuu7mYUIlTbouaIcnsA6vHIwpk4sTLjejk2WWZacW19q0Z31aBRbUoaXHWW"> <div class="action-panel-control-wrap"> <label for="rss-name" class="action-panel-label required-field-asterisk"> Name of RSS Feed: </label> <input maxlength="200" placeholder="Name" type="text" name="rss-name" id="rss-name" class="rss-name" value='' required pattern="[^&quot;&amp;=&lt;&gt;\/]*" title="The following characters are not allowed in the Name field: &quot;&amp;=&lt;&gt;/"> </div> <div class="rss-limit-wrap"> <div class="action-panel-control-wrap action-panel-extra-margin-top"> <label for="rss-limit" class="action-panel-label"> Number of items displayed: </label> <select id="rss-limit" class="no-border-panel-selector rss-limit"> <option value="5">5</option> <option value="10">10</option> <option value="15" selected="selected">15</option> <option value="20">20</option> <option value="50">50</option> <option value="100">100</option> </select> </div> </div> <div class="action-panel-actions"> <button class="action-panel-submit" type="submit" data-loading-label="Creating..." data-ga-category="save_share" data-ga-action="alert" data-ga-label="save"> Create RSS </button> <button class="action-panel-cancel" aria-label="Close 'Your RSS' panel" ref="linksrc=close_rss_panel" aria-controls="rss-action-panel" aria-expanded="false" data-ga-category="save_share" data-ga-action="alert" data-ga-label="cancel"> Cancel </button> </div> <div class="action-panel-control-wrap rss-link-copy-wrap"> <label for="rss-link" class="usa-sr-only">RSS Link</label> <input placeholder="Your RSS Feed Link" type="text" name="rss-link" id="rss-link" class="rss-link" title="RSS Link"> <button type="button" disabled class="rss-link-copy-button disabled" data-ga-category="save_share" data-ga-action="rss" data-ga-label="copy"> Copy </button> </div> </form> </div> </div> </div> </div> <div class="article-page" id="article-page" data-article-pmid="23344358"> <aside class="page-sidebar"> <div class="inner-wrap"> <div class="full-text-links"> <div class="full-view"> <h3 class="title"> Full text links </h3> <div class="full-text-links-list"> <a class="link-item dialog-focus" href="https://doi.org/10.1038/nature11789" target="_blank" rel="noopener" ref="linksrc=fulltextorjournal_fulltext&amp;is_pmc=False&amp;PrId=3094&amp;itool=Abstract-def&amp;log$=linkouticon&amp;uid=23344358&amp;db=pubmed&amp;nlmid=0410462" title="See full text options at Nature Publishing Group" data-ga-category="full_text" data-ga-action="Nature Publishing Group" data-ga-label="23344358" ><img src="https://cdn.ncbi.nlm.nih.gov/corehtml/query/egifs/https:--www.nature.com-static-images-logos-nature-portfolio-120.png" alt="full text provider logo"><span class="text"> Nature Publishing Group </span></a><a class="link-item " href="https://core.ac.uk/reader/191880735?utm_source=linkout" target="_blank" rel="noopener" ref="linksrc=fulltextorjournal_fulltext&amp;is_pmc=False&amp;PrId=10178&amp;itool=Abstract-nondef&amp;log$=linkouticon&amp;uid=23344358&amp;db=pubmed&amp;nlmid=0410462" title="See full text options at CORE" data-ga-category="full_text" data-ga-action="CORE" data-ga-label="23344358" ><img src="https://cdn.ncbi.nlm.nih.gov/corehtml/query/egifs/https:--core.ac.uk-resources-pmc-linkout-button.png" alt="full text provider logo"><span class="text"> CORE </span></a> </div> </div> <div class="short-view"> <a href="#" class="full-text-links-button full-text-links-dialog-trigger"> Full text links </a> </div> </div> <div class="actions-buttons sidebar"><h3 class="title">Actions</h3><div class="inner-wrap"><button class="citation-button citation-dialog-trigger" aria-label="Open dialog with citation text in different styles" data-ga-category="save_share" data-ga-action="cite" data-ga-label="open" data-all-citations-url="/23344358/citations/" data-citation-style="nlm" data-pubmed-format-link="/23344358/export/"><span class="button-label">Cite</span></button><link type="text/css" href="ncbi-overlay-block/src/overlay-block.css"><div class="collections-button-container" data-article-id="23344358" data-article-db="pubmed"><button class="collections-button collections-dialog-trigger" aria-label="Save article in MyNCBI collections." data-ga-category="collections_button" data-ga-action="click" data-ga-label="collections_button" data-collections-open-dialog-enabled="false" data-collections-open-dialog-url="https://account.ncbi.nlm.nih.gov/?back_url=https%3A%2F%2Fpubmed.ncbi.nlm.nih.gov%2F23344358%2F%23open-collections-dialog" data-in-collections="false"><span class="button-label">Collections</span></button><div class="overlay" role="dialog"><div id="collections-action-dialog" class="dialog collections-dialog" aria-hidden="true"><div class="title">Add to Collections</div><div class="collections-action-panel action-panel"><form id="collections-action-dialog-form" class="collections-action-panel-form action-panel-content action-form action-panel-smaller-selectors" data-existing-collections-url="/list-existing-collections/" data-add-to-existing-collection-url="/add-to-existing-collection/" data-create-and-add-to-new-collection-url="/create-and-add-to-new-collection/" data-myncbi-max-collection-name-length="100" data-collections-root-url="https://www.ncbi.nlm.nih.gov/myncbi/collections/"><input type="hidden" name="csrfmiddlewaretoken" value="Y5OPtUuu7mYUIlTbouaIcnsA6vHIwpk4sTLjejk2WWZacW19q0Z31aBRbUoaXHWW"><div class="choice-group" role="radiogroup"><ul class="radio-group-items"><li><input type="radio" id="collections-action-dialog-new" class="collections-new" name="collections" value="new" data-ga-category="collections_button" data-ga-action="click" data-ga-label="collections_radio_new"><label for="collections-action-dialog-new">Create a new collection</label></li><li><input type="radio" id="collections-action-dialog-existing" class="collections-existing" name="collections" value="existing" checked="true" data-ga-category="collections_button" data-ga-action="click" data-ga-label="collections_radio_existing"><label for="collections-action-dialog-existing">Add to an existing collection</label></li></ul></div><div class="controls-wrapper"><div class="action-panel-control-wrap new-collections-controls"><label for="collections-action-dialog-add-to-new" class="action-panel-label required-field-asterisk"> Name your collection: </label><input type="text" name="add-to-new-collection" id="collections-action-dialog-add-to-new" class="collections-action-add-to-new" pattern="[^&quot;&amp;=&lt;&gt;\/]*" title="The following characters are not allowed in the Name field: &quot;&amp;=&lt;&gt;/" maxlength="100" data-ga-category="collections_button" data-ga-action="create_collection" data-ga-label="non_favorties_collection"><div class="collections-new-name-too-long usa-input-error-message selection-validation-message"> Name must be less than 100 characters </div></div><div class="action-panel-control-wrap existing-collections-controls"><label for="collections-action-dialog-add-to-existing" class="action-panel-label"> Choose a collection: </label><select 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class="full-view" id="full-view-heading"> <div class="article-citation"> <div class="publication-type" >Comment</div> <div class="article-source"> <div class="journal-actions dropdown-block"><button id="full-view-journal-trigger" class="journal-actions-trigger trigger" ref="linksrc=journal_actions_btn" title="Nature" tabindex="0" aria-controls="full-view-journal" aria-expanded="false" aria-label="Toggle dropdown menu for journal Nature" data-pinger-ignore> Nature </button><div id="full-view-journal" class="journal-actions-dropdown dropdown dropdown-container" hidden aria-label="Dropdown menu for journal Nature"><div class="title">Actions</div><div class="content"><ul class="journal-actions-links"><li><a class="search-in-pubmed-link dropdown-block-link" href="/?term=%22Nature%22%5Bjour%5D&amp;sort=date&amp;sort_order=desc" data-href="/?term=%22Nature%22%5Bjour%5D&amp;sort=date&amp;sort_order=desc" ref="linksrc=search_in_pubmed_journal_name_link&amp;journal_abbrev=Nature" 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class="authors"> <div class="authors-list"> <span class="authors-list-item "><a class="full-name" href="/?term=NEEM+community+members%5BCorporate+Author%5D" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="NEEM community members">NEEM community members</a></span> </div> </div> </div> <div class="short-article-details"> Collaborators <button class="more-details" id="toggle-authors" data-alt-text="Collapse" aria-controls="expanded-authors" aria-expanded="false" data-pinger-ignore data-fetch-url="/23344358/long-authors/" data-id-prefix=""> <span class="title"> Expand </span> </button> </div> <div class="extended-article-details" id="expanded-authors" aria-hidden="true"> <div class="expanded-authors" id="full-view-expanded-authors"> <div class="collaborations"> <h3 class="title"> Collaborators </h3> <ul class="group-list"> <li> <strong class="title">NEEM community members</strong>: <div class="authors-list"> <span class="authors-list-item "><a class="full-name" href="/?term=Dahl-Jensen+D" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="D Dahl-Jensen">D Dahl-Jensen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Albert+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M R Albert">M R Albert</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Aldahan+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Aldahan">A Aldahan</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Azuma+N" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="N Azuma">N Azuma</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a 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class="full-name" href="/?term=Li+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Li">J Li</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Lipenkov+V" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="V Lipenkov">V Lipenkov</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Martinerie+P" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="P Martinerie">P Martinerie</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Maselli+O" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="O J Maselli">O J Maselli</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" 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class="full-name" href="/?term=Orsi+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A J Orsi">A J Orsi</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Paden+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Paden">J Paden</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Panton+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C Panton">C Panton</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Pattyn+F" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="F Pattyn">F Pattyn</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Petit+JR" 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data-ga-category="search" data-ga-action="author_link" data-ga-label="F Prié">F Prié</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Prokopiou+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Prokopiou">M Prokopiou</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Quiquet+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Quiquet">A Quiquet</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Rasmussen+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S O Rasmussen">S O Rasmussen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Raynaud+D" ref="linksrc=author_name_link" 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data-ga-label="D Samyn">D Samyn</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Sapart+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C J Sapart">C J Sapart</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Schilt+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Schilt">A Schilt</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Schmidt+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A M Z Schmidt">A M Z Schmidt</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Schwander+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J 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data-ga-label="S Sheldon">S Sheldon</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Simonsen+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S B Simonsen">S B Simonsen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Sjolte+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Sjolte">J Sjolte</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Solgaard+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A M Solgaard">A M Solgaard</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Sowers+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" 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class="group-list"> <li> <strong class="title">NEEM community members</strong>: <div class="authors-list"> <span class="authors-list-item "><a class="full-name" href="/?term=Dahl-Jensen+D" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="D Dahl-Jensen">D Dahl-Jensen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Albert+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M R Albert">M R Albert</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Aldahan+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Aldahan">A Aldahan</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Azuma+N" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="N Azuma">N Azuma</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Balslev-Clausen+D" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="D Balslev-Clausen">D Balslev-Clausen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Baumgartner+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Baumgartner">M Baumgartner</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Berggren+AM" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A-M Berggren">A-M Berggren</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Bigler+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Bigler">M Bigler</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Binder+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="T Binder">T Binder</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Blunier+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="T Blunier">T Blunier</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Bourgeois+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J C Bourgeois">J C Bourgeois</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Brook+E" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="E J Brook">E J Brook</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Buchardt+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S L Buchardt">S L Buchardt</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Buizert+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C Buizert">C Buizert</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Capron+E" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="E Capron">E Capron</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Chappellaz+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Chappellaz">J Chappellaz</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Chung+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Chung">J Chung</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Clausen+H" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="H B Clausen">H B Clausen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Cvijanovic+I" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="I Cvijanovic">I Cvijanovic</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Davies+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S M Davies">S M Davies</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Ditlevsen+P" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="P Ditlevsen">P Ditlevsen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Eicher+O" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="O Eicher">O Eicher</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Fischer+H" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="H Fischer">H Fischer</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Fisher+D" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="D A Fisher">D A Fisher</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Fleet+L" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="L G Fleet">L G Fleet</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Gfeller+G" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="G Gfeller">G Gfeller</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Gkinis+V" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="V Gkinis">V Gkinis</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Gogineni+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S Gogineni">S Gogineni</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Goto-Azuma+K" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="K Goto-Azuma">K Goto-Azuma</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Grinsted+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Grinsted">A Grinsted</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Gudlaugsdottir+H" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="H Gudlaugsdottir">H Gudlaugsdottir</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Guillevic+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Guillevic">M Guillevic</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Hansen+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S B Hansen">S B Hansen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Hansson+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Hansson">M Hansson</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Hirabayashi+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Hirabayashi">M Hirabayashi</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Hong+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S Hong">S Hong</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Hur+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S D Hur">S D Hur</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Huybrechts+P" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="P Huybrechts">P Huybrechts</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Hvidberg+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C S Hvidberg">C S Hvidberg</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Iizuka+Y" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="Y Iizuka">Y Iizuka</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Jenk+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="T Jenk">T Jenk</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Johnsen+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S J Johnsen">S J Johnsen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Jones+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="T R Jones">T R Jones</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Jouzel+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Jouzel">J Jouzel</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Karlsson+N" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="N B Karlsson">N B Karlsson</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Kawamura+K" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="K Kawamura">K Kawamura</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Keegan+K" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="K Keegan">K Keegan</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Kettner+E" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="E Kettner">E Kettner</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Kipfstuhl+S" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="S Kipfstuhl">S Kipfstuhl</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Kj%C3%A6r+H" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="H A Kjær">H A Kjær</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Koutnik+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Koutnik">M Koutnik</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Kuramoto+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="T Kuramoto">T Kuramoto</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=K%C3%B6hler+P" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="P Köhler">P Köhler</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Laepple+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="T Laepple">T Laepple</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Landais+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Landais">A Landais</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Langen+P" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="P L Langen">P L Langen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Larsen+L" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="L B Larsen">L B Larsen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Leuenberger+D" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="D Leuenberger">D Leuenberger</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Leuenberger+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Leuenberger">M Leuenberger</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Leuschen+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C Leuschen">C Leuschen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Li+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Li">J Li</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Lipenkov+V" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="V Lipenkov">V Lipenkov</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Martinerie+P" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="P Martinerie">P Martinerie</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Maselli+O" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="O J Maselli">O J Maselli</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Masson-Delmotte+V" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="V Masson-Delmotte">V Masson-Delmotte</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=McConnell+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J R McConnell">J R McConnell</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Miller+H" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="H Miller">H Miller</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Mini+O" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="O Mini">O Mini</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Miyamoto+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Miyamoto">A Miyamoto</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Montagnat-Rentier+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Montagnat-Rentier">M Montagnat-Rentier</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Mulvaney+R" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="R Mulvaney">R Mulvaney</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Muscheler+R" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="R Muscheler">R Muscheler</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Orsi+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A J Orsi">A J Orsi</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Paden+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Paden">J Paden</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Panton+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C Panton">C Panton</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Pattyn+F" ref="linksrc=author_name_link" 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Steffen">K Steffen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Steffensen+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J P Steffensen">J P Steffensen</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Steinhage+D" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="D Steinhage">D Steinhage</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Stocker+T" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="T F Stocker">T F Stocker</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Stowasser+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C Stowasser">C Stowasser</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Sturevik+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A S Sturevik">A S Sturevik</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Sturges+W" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="W T Sturges">W T Sturges</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Sveinbj%C3%B6rnsdottir+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Sveinbjörnsdottir">A Sveinbjörnsdottir</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Svensson+A" ref="linksrc=author_name_link" data-ga-category="search" 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data-ga-action="author_link" data-ga-label="R S W van de Wal">R S W van de Wal</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=van+der+Wel+G" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="G van der Wel">G van der Wel</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Vaughn+B" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="B H Vaughn">B H Vaughn</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Vinther+B" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="B Vinther">B Vinther</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Waddington+E" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="E Waddington">E Waddington</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Wegner+A" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="A Wegner">A Wegner</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Weikusat+I" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="I Weikusat">I Weikusat</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=White+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J W C White">J W C White</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Wilhelms+F" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="F Wilhelms">F Wilhelms</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Winstrup+M" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="M Winstrup">M Winstrup</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Witrant+E" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="E Witrant">E Witrant</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Wolff+E" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="E W Wolff">E W Wolff</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Xiao+C" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="C Xiao">C Xiao</a><span class="comma">,&nbsp;</span></span><span class="authors-list-item "><a class="full-name" href="/?term=Zheng+J" ref="linksrc=author_name_link" data-ga-category="search" data-ga-action="author_link" data-ga-label="J Zheng">J Zheng</a></span> </div> </li> </ul> </div> </div> <ul class="identifiers" id="short-view-identifiers"> <li> <span class="identifier pubmed"> <span class="id-label"> PMID: </span> <strong class="current-id" title="PubMed ID">23344358</strong> </span> </li> <li> <span class="identifier doi"> <span class="id-label"> DOI: </span> <a class="id-link" target="_blank" rel="noopener" ref="linksrc=article_id_link&amp;article_id=10.1038/nature11789&amp;id_type=DOI" href="https://doi.org/10.1038/nature11789" data-ga-category="full_text" data-ga-action="DOI" > 10.1038/nature11789 </a> </span> </li> </ul> <div class="in-clipboard-label " hidden> Item in Clipboard </div> </div> </div> </header> <div class="actions-buttons inline"><div class="inner-wrap"><button class="full-text-links-button full-text-links-dialog-trigger" title="Open dialog with full text links" ref="linksrc=full_text_links"> Full text links </button><button class="citation-button citation-dialog-trigger" aria-label="Open dialog with citation text in different styles" data-ga-category="save_share" data-ga-action="cite" data-ga-label="open" data-all-citations-url="/23344358/citations/" data-citation-style="nlm" data-pubmed-format-link="/23344358/export/"><span class="button-label">Cite</span></button><button class="more-actions-button more-actions-dialog-trigger" title="Open dialog with more actions to take" ref="linksrc=more_actions_btn"></button><div class="display-options" data-format-key="format" data-default-format-value="abstract" data-current-format-value="abstract" role="region"><button class="trigger usa-button" title="Change format" data-ga-category="display_options" data-ga-action="display_options_dialog"><span class="button-label">Display options</span></button><div class="dropdown" hidden><div class="title"> Display options </div><div class="content"><div class="format-container"><span class="option-label"> Format </span><select name="format" data-initial-value="abstract" aria-label="Display format" id="inline-actions-display-format"><option value="abstract">Abstract</option><option value="pubmed">PubMed</option><option value="pmid">PMID</option></select></div></div></div></div></div></div> <div class="abstract" id="abstract"> <h2 class="title"> Abstract </h2> <div class="abstract-content selected" id="eng-abstract"> <p> Efforts to extract a Greenland ice core with a complete record of the Eemian interglacial (130,000 to 115,000 years ago) have until now been unsuccessful. The response of the Greenland ice sheet to the warmer-than-present climate of the Eemian has thus remained unclear. Here we present the new North Greenland Eemian Ice Drilling ('NEEM') ice core and show only a modest ice-sheet response to the strong warming in the early Eemian. We reconstructed the Eemian record from folded ice using globally homogeneous parameters known from dated Greenland and Antarctic ice-core records. On the basis of water stable isotopes, NEEM surface temperatures after the onset of the Eemian (126,000 years ago) peaked at 8 ± 4 degrees Celsius above the mean of the past millennium, followed by a gradual cooling that was probably driven by the decreasing summer insolation. Between 128,000 and 122,000 years ago, the thickness of the northwest Greenland ice sheet decreased by 400 ± 250 metres, reaching surface elevations 122,000 years ago of 130 ± 300 metres lower than the present. Extensive surface melt occurred at the NEEM site during the Eemian, a phenomenon witnessed when melt layers formed again at NEEM during the exceptional heat of July 2012. With additional warming, surface melt might become more common in the future. </p> </div> </div> <p class="disclaimer" id="disclaimer"> <a href="/disclaimer/" target="_blank" ga_category="literature_resources" ga_action="disclaimer_link" ga_label="under_abstract">PubMed Disclaimer</a> </p> <div class="linked-articles" id="linked-commentary-article"> <h2 class="title"> Comment on </h2> <ul class="item-list usa-unstyled-list"> <li class="full-docsum"> <div class="docsum-content" style="display:inline;"> <a class="docsum-title" href="/23344334/" ref="article_id=23344334&amp;linksrc=comments_link" data-ga-category="comment_correction" data-ga-action="abstract_page_link" data-ga-label="linked-commentary-article"> Greenland defied ancient warming. </a> <div class="docsum-citation full-citation"> <span class="docsum-authors full-authors">Schiermeier Q.</span> <span class="docsum-authors short-authors">Schiermeier Q.</span> <span class="docsum-journal-citation full-journal-citation">Nature. 2013 Jan 24;493(7433):459-60. doi: 10.1038/493459a.</span> <span class="docsum-journal-citation short-journal-citation">Nature. 2013.</span> <span class="citation-part">PMID: <span class="docsum-pmid">23344334</span></span> <span class="no-abstract spaced-citation-item citation-part">No abstract available.</span> </div> </div> </li> </ul> </div> <div class="similar-articles" id="similar"> <h2 class="title"> Similar articles </h2> <ul class="articles-list" id="similar-articles-list"> <li class="full-docsum"> <div class="docsum-content" style="display:inline;"> <a class="docsum-title" href="/27528680/" ref="article_id=27528680&amp;linksrc=similar_articles_link&amp;ordinalpos=1" data-ga-category="similar_article" data-ga-action="27528680" data-ga-label=""> Reconstructing the last interglacial at Summit, Greenland: Insights from GISP2. </a> <div class="docsum-citation full-citation"> <span class="docsum-authors full-authors">Yau AM, Bender ML, Robinson A, Brook EJ.</span> <span class="docsum-authors short-authors">Yau AM, et al.</span> <span class="docsum-journal-citation full-journal-citation">Proc Natl Acad Sci U S A. 2016 Aug 30;113(35):9710-5. doi: 10.1073/pnas.1524766113. 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