{"id":28419,"date":"2024-04-09T16:54:40","date_gmt":"2024-04-09T16:54:40","guid":{"rendered":"https:\/\/usoceandiscovery.org\/?page_id=28419"},"modified":"2024-12-23T18:14:46","modified_gmt":"2024-12-23T18:14:46","slug":"hannah-tandy","status":"publish","type":"page","link":"https:\/\/usoceandiscovery.org\/hannah-tandy\/","title":{"rendered":"Hannah Tandy"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1456px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_2_3 2_3 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-1\"><h3><strong>Novel constraints on pole-to-equator temperature gradients over the paleocene-eocene thermal maximum<\/strong><\/h3>\n<p>&nbsp;<\/p>\n<p><strong><a href=\"https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2021\/09\/Tandy.jpg\"><img decoding=\"async\" class=\"wp-image-24482 size-full alignright\" src=\"https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2021\/09\/Tandy.jpg\" alt=\"\" width=\"230\" height=\"300\" \/><\/a>Abstract<\/strong><\/p>\n<p>The Paleocene-Eocene Thermal Maximum (~55.8 Ma) was a hyperthermal originating from a major perturbation to the carbon cycle and has been identified as the closest geologic analogue for anthropogenic carbon emissions and warming. However, proxy reconstructions of sea surface temperatures and climate models disagree over the nature of pole-to-equator temperature gradients. In order to evaluate preservation and develop a quantitative correction for recrystallization, I will use electron back-scatter diffraction (EBSD) and secondary ion mass spectrometry (SIMS) analysis. These data will be combined with carbonate clumped isotope analyses (\uf04447) and published datasets in order to add to and reevaluate tropical and high-latitude sea-surface temperature estimates and constrain pole-to- equator temperature gradients.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Biography<\/strong><\/p>\n<p>Growing in San Diego, California, I have always been interested in environmental science. However, it wasn\u2019t until my undergraduate experience at Princeton University that I found my passion for paleoclimate research. While at Princeton I examined early Cenozoic climate through microscopy work with foraminifera and later, working with NOAA\u2019s Geophysical Fluid Dynamics Laboratory, through climate modeling studies. Currently I am part of the Tripati Lab at UCLA pursuing my PhD in Geochemistry. I now use the geochemical \u201cclumped\u201d isotope paleothermometer to reconstruct past climates of the Cenozoic. My research centers on better constraining climate uncertainties in relation to different time intervals, such as the early Eocene \u201cequable climate problem\u201d where model reconstructions and proxy reconstructions disagree on pole-to-equator temperature gradients. Ultimately this research broadens our understanding of Earth\u2019s climate system, which we can then use to better inform our future climate predictions. In addition to research, I strive to make the geoscience community inclusive and am on the board of the Society of Women Geoscientists at UCLA, as well as a fellow of the Center for Diverse Leadership in Science. I am proud to be part of DEI work and public outreach to expand the reach and impact of our scientific community and findings.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:66.666666666667% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 2.88%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 2.88%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:66.666666666667% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 2.88%;margin-left : 2.88%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-1{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":12,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-28419","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - 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