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href="https://ltrr.arizona.edu/docents">https://ltrr.arizona.edu/docents</a> for additional information. </h4> </div> <div id="block-views-uaqs-hero-carousel-hero-block" class="block block-views last even" role="complementary"> <div class="view view-uaqs-hero-carousel view-id-uaqs_hero_carousel view-display-id-hero_block content-featured-container view-dom-id-7ca7b65c3dd8b606a749b19b9a143b27"> <div class="view-content"> <div id="content_featured_slides" class="flexslider optionset-uaqs-hero-carousel"> <ul class="slides"><li><a class="white remove-external-link-icon" href="https://ltrr.arizona.edu/about/history"> <div class="slide-image-container" style="background-image: url('https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_marquee/public/ring_pattern_0.jpg?itok=ebKPYvwe')"> <div class="mask white"> <h2 class="no-widows"></h2> <h2 class="no-widows remove-external-link-icon"> Established by the pioneer of dendrochronology.</h2><div class="field-uaqs-summary-short"> A.E. Douglass, originator of the science of tree-ring dating, founded the Laboratory of Tree-Ring Research in 1937.</div><div class="psuedo-link"><span> https://ltrr.arizona.edu/about/history</span></div> </div> </div> </a> </li> <li><a class="white remove-external-link-icon" href="https://ltrr.arizona.edu/building"> <div class="slide-image-container" style="background-image: url('https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_marquee/public/bannister_building_opening_0.jpg?itok=1m52wfVj')"> <div class="mask white"> <h2 class="no-widows"></h2> <h2 class="no-widows remove-external-link-icon"> Housed in a custom facility.</h2><div class="field-uaqs-summary-short"> A building constructed in 2013 includes lab, office and archive space</div><div class="psuedo-link"><span> https://ltrr.arizona.edu/building</span></div> </div> </div> </a> </li> <li><a class="white remove-external-link-icon" href="https://ltrr.arizona.edu/research"> <div class="slide-image-container" style="background-image: url('https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_marquee/public/visiting_scholar_alma_at_microscope.jpg?itok=78bxSUNv')"> <div class="mask white"> <h2 class="no-widows"></h2> <h2 class="no-widows remove-external-link-icon"> Pursuing interdisciplinary research.</h2><div class="field-uaqs-summary-short"> Dendrochronology helps reconstruct environmental change, and unravel processes in ecosystems and human societies; researchers in many parts of the world collaborate with the Laboratory of Tree-Ring Research.</div><div class="psuedo-link"><span> https://ltrr.arizona.edu/research</span></div> </div> </div> </a> </li> <li><a class="white remove-external-link-icon" href="https://ltrr.arizona.edu/talks"> <div class="slide-image-container" style="background-image: url('https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_marquee/public/talk_thumbnails.png?itok=Mdn_5sJj')"> <div class="mask white"> <h2 class="no-widows"></h2> <h2 class="no-widows remove-external-link-icon"> Hosting an on-line seminar series.</h2><div class="field-uaqs-summary-short"> The Tree Ring Talks seminar series is now available on Zoom.</div><div class="psuedo-link"><span> Upcoming talks ≫</span></div> </div> </div> </a> </li> </ul></div> </div> <div class="attachment attachment-after"> <div class="view view-uaqs-hero-carousel view-id-uaqs_hero_carousel view-display-id-hero_nav hero-nav container"> <div class="view-content"> <div id="content_featured_nav" class="flexslider optionset-uaqs-hero-carousel-nav"> <ul class="slides"><li> <a href="#"><h3 class="text-size-h3 margin-align-middle"><strong>Established by the pioneer of dendrochronology.</strong></h3></a> </li> <li> <a href="#"><h3 class="text-size-h3 margin-align-middle"><strong>Housed in a custom facility.</strong></h3></a> </li> <li> <a href="#"><h3 class="text-size-h3 margin-align-middle"><strong>Pursuing interdisciplinary research.</strong></h3></a> </li> <li> <a href="#"><h3 class="text-size-h3 margin-align-middle"><strong>Hosting an on-line seminar series.</strong></h3></a> </li> </ul></div> </div> </div> </div> </div> </div> </div> </section> <div class="container"> <div class="row"> <div class="col-xs-12" aria-label="breadcrumb"> <div class="item-list"></div> </div> </div> </div> <div class="container"> <div class="row"> <div id="content" class="col-sm-12"> <a id="main-content"></a> <div class="node-7094 node node-uaqs-flexible-page view-mode-full clearfix" about="/home" typeof="sioc:Item foaf:Document"> <header> <span property="dc:title" content="LTRR" class="rdf-meta element-hidden"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span> </header> <div class="entity entity-paragraphs-item paragraphs-item-uaqs-headed-text mb-4 "> </div> </div> <div id="block-views-uaqs-news-three-col-news-block" class="block block-views even" role="complementary"> <h2 class="block__title block-title h3 mt-4">News</h2> <div class="view view-uaqs-news view-id-uaqs_news view-display-id-three_col_news_block view-dom-id-4af83fc167d17dcffd3d2b64a441834c"> <div class="view-content"> <div id="views-bootstrap-grid-1" class="views-bootstrap-grid-plugin-style"> <div class="row"> <div class=" col-xs-12 col-sm-6 col-md-4 col-lg-4"> <div class="node-8424 node node-uaqs-news node-promoted node-teaser clearfix" about="/news/2023/09/tree-rings-reveal-new-kind-earthquake-threat-pacific-northwest" typeof="sioc:Item foaf:Document"> <header> <span property="dc:title" content="Tree rings reveal a new kind of earthquake threat to the Pacific Northwest" class="rdf-meta element-hidden"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span> </header> <a href="https://ltrr.arizona.edu/news/2023/09/tree-rings-reveal-new-kind-earthquake-threat-pacific-northwest" class="list-link-block remove-external-link-icon"> <img typeof="foaf:Image" src="https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_spotlight/public/Sampled_wood.JPG?itok=WPXCFySx" width="720" height="386" alt="A cross section from a tree that drowned when a forest was carried into Lake Washington as part of a landslide." title="A cross section from a tree that drowned when a forest was carried into Lake Washington as part of a landslide." /> <h4 class="card-title">Tree rings reveal a new kind of earthquake threat to the Pacific Northwest</h4> <div class="text-muted"> <span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2023-09-27T00:00:00-07:00">Wednesday, September 27, 2023</span></div> <p>New paper by LTRR lead author Bryan Black</p><div class="small text-red30b page-row-padding-top"><strong class="psuedo-link"><span> Read more</span></strong></div></a> </div> </div> <div class=" col-xs-12 col-sm-6 col-md-4 col-lg-4"> <div class="node-8418 node node-uaqs-news node-promoted node-teaser clearfix" about="/news/2023/09/kevin-anchukaitis-receives-willi-dansgaard-award" typeof="sioc:Item foaf:Document"> <header> <span property="dc:title" content="Kevin Anchukaitis receives Willi Dansgaard Award" class="rdf-meta element-hidden"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span> </header> <a href="https://ltrr.arizona.edu/news/2023/09/kevin-anchukaitis-receives-willi-dansgaard-award" class="list-link-block remove-external-link-icon"> <img typeof="foaf:Image" src="https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_spotlight/public/kevin_dansgaard_award.png?itok=awDzk4Fk" width="720" height="386" alt="AGU web page for Willi Dansgaard Award with Kevin Anchukaitis portrait inset" title="Willi Dansgaard Award | AGU" /> <h4 class="card-title">Kevin Anchukaitis receives Willi Dansgaard Award</h4> <div class="text-muted"> <span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2023-09-15T00:00:00-07:00">Friday, September 15, 2023</span></div> <p>The AGU honors Kevin Anchukaitis with the 2023 Willi Dansgaard Award.</p><div class="small text-red30b page-row-padding-top"><strong class="psuedo-link"><span> Read more</span></strong></div></a> </div> </div> <div class="clearfix visible-sm-block"></div> <div class=" col-xs-12 col-sm-6 col-md-4 col-lg-4"> <div class="node-8048 node node-uaqs-news node-promoted node-teaser clearfix" about="/news/2023/02/has-earth-been-warming-or-cooling-over-past-few-thousand-years" typeof="sioc:Item foaf:Document"> <header> <span property="dc:title" content="Has the Earth been warming or cooling over the past few thousand years?" class="rdf-meta element-hidden"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span> </header> <a href="https://ltrr.arizona.edu/news/2023/02/has-earth-been-warming-or-cooling-over-past-few-thousand-years" class="list-link-block remove-external-link-icon"> <img typeof="foaf:Image" src="https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_spotlight/public/Ellie_and_Leah_Eight_Mile_Lake_detail.jpg?itok=85F4esoi" width="720" height="386" alt="Sediment core tube held in a small boat on a lake." title="Ellie Broadman (on the left) collecting lake sediment cores in Alaska." /> <h4 class="card-title">Has the Earth been warming or cooling over the past few thousand years?</h4> <div class="text-muted"> <span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2023-02-23T00:00:00-07:00">Thursday, February 23, 2023</span></div> <p>LTRR postdoc Ellie Broadman is co-author of an article reviewing the trends in global temperature over the last few thousand years.</p><div class="small text-red30b page-row-padding-top"><strong class="psuedo-link"><span> Read more</span></strong></div></a> </div> </div> <div class="clearfix visible-md-block"></div> <div class="clearfix visible-lg-block"></div> <div class=" col-xs-12 col-sm-6 col-md-4 col-lg-4"> <div class="node-7896 node node-uaqs-news node-promoted node-teaser clearfix" about="/news/2022/12/music-tree-rings" typeof="sioc:Item foaf:Document"> <header> <span property="dc:title" content="Music from Tree Rings" class="rdf-meta element-hidden"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span> </header> <a href="https://ltrr.arizona.edu/news/2022/12/music-tree-rings" class="list-link-block remove-external-link-icon"> <img typeof="foaf:Image" src="https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_spotlight/public/Tree-Ring%20Listening_0.png?itok=hwTGa92c" width="720" height="386" alt="" /> <h4 class="card-title">Music from Tree Rings</h4> <div class="text-muted"> <span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2022-12-19T00:00:00-07:00">Monday, December 19, 2022</span></div> <p>The Arizona Daily Star newspaper's front page lead article was on the musical collaborative project featuring Margaret Evans and Kelly Heilman of the LTRR.</p><div class="small text-red30b page-row-padding-top"><strong class="psuedo-link"><span> Read more</span></strong></div></a> </div> </div> <div class="clearfix visible-sm-block"></div> <div class=" col-xs-12 col-sm-6 col-md-4 col-lg-4"> <div class="node-7809 node node-uaqs-news node-promoted node-teaser clearfix" about="/news/2022/10/dr-charlotte-pearson-receives-national-science-foundation-mri-grant-groundbreaking-mini" typeof="sioc:Item foaf:Document"> <header> <span property="dc:title" content="Dr. Charlotte Pearson Receives National Science Foundation MRI Grant for Groundbreaking Mini Carbon Dating System" class="rdf-meta element-hidden"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span> </header> <a href="https://ltrr.arizona.edu/news/2022/10/dr-charlotte-pearson-receives-national-science-foundation-mri-grant-groundbreaking-mini" class="list-link-block remove-external-link-icon"> <img typeof="foaf:Image" src="https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_spotlight/public/Charlotte%20Pearson.png?itok=lNLfqBjf" width="720" height="386" alt="" title="Dr. Charlotte Pearson Receives National Science Foundation MRI Grant for Groundbreaking Mini Carbon Dating System" /> <h4 class="card-title">Dr. Charlotte Pearson Receives National Science Foundation MRI Grant for Groundbreaking Mini Carbon Dating System</h4> <div class="text-muted"> <span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2022-10-18T00:00:00-07:00">Tuesday, October 18, 2022</span></div> <p>Dr. Charlotte Pearson Receives National Science Foundation MRI Grant for Groundbreaking Mini Carbon Dating System</p><div class="small text-red30b page-row-padding-top"><strong class="psuedo-link"><span> Read more</span></strong></div></a> </div> </div> <div class=" col-xs-12 col-sm-6 col-md-4 col-lg-4"> <div class="node-7686 node node-uaqs-news node-promoted node-teaser clearfix" about="/news/2022/09/valerie-trouet-named-scientific-director-new-belgian-center-climate-expertise" typeof="sioc:Item foaf:Document"> <header> <span property="dc:title" content="Valerie Trouet named Scientific Director of the new Belgian Center for Climate Expertise" class="rdf-meta element-hidden"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span> </header> <a href="https://ltrr.arizona.edu/news/2022/09/valerie-trouet-named-scientific-director-new-belgian-center-climate-expertise" class="list-link-block remove-external-link-icon"> <img typeof="foaf:Image" src="https://ltrr.arizona.edu/sites/ltrr.arizona.edu/files/styles/uaqs_spotlight/public/valerie.jpg?itok=544FwAuE" width="720" height="386" alt="" /> <h4 class="card-title">Valerie Trouet named Scientific Director of the new Belgian Center for Climate Expertise</h4> <div class="text-muted"> <span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2022-09-28T00:00:00-07:00">Wednesday, September 28, 2022</span></div> <p>Valerie Trouet has been named the Scientific Director of the new Belgian Center for Climate Expertise.</p><div class="small text-red30b page-row-padding-top"><strong class="psuedo-link"><span> Read more</span></strong></div></a> </div> </div> <div class="clearfix visible-sm-block"></div> <div class="clearfix visible-md-block"></div> <div class="clearfix visible-lg-block"></div> </div> </div> </div> <div class="view-footer"> <div class="item-list text-center"><ul class="pagination"> <li><a title="Read All Stories" href="./news-teasers">Read All News</a></li> </ul></div> </div> </div> </div> <div id="block-views-calendar-block-3" class="block block-views last odd" role="complementary"> <div 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