{"id":19745,"date":"2016-06-23T17:29:32","date_gmt":"2016-06-23T17:29:32","guid":{"rendered":"https:\/\/usoceandiscovery.org\/?page_id=19745"},"modified":"2022-07-27T04:24:59","modified_gmt":"2022-07-27T04:24:59","slug":"2007-2008-distinguished-lecturer-ellen-martin","status":"publish","type":"page","link":"https:\/\/usoceandiscovery.org\/past-distinguished-lecturers-old\/2007-2008-distinguished-lecturer-ellen-martin\/","title":{"rendered":"2007-2008 Distinguished Lecturer &#8211; Ellen Martin"},"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_1_3 1_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: 2% 0px 0px 0px;\"><div style=\"text-align:center;\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><a class=\"fusion-no-lightbox\" href=\"\/wp-content\/uploads\/2016\/06\/Martin_DLS.jpg\" target=\"_self\" aria-label=\"Martin_DLS\"><img decoding=\"async\" width=\"250\" height=\"300\" src=\"https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2016\/06\/Martin_DLS.jpg\" alt class=\"img-responsive wp-image-19598\" srcset=\"https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2016\/06\/Martin_DLS-125x150.jpg 125w, https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2016\/06\/Martin_DLS-141x169.jpg 141w, https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2016\/06\/Martin_DLS-165x198.jpg 165w, https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2016\/06\/Martin_DLS-217x260.jpg 217w, https:\/\/usoceandiscovery.org\/wp-content\/uploads\/2016\/06\/Martin_DLS.jpg 250w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/><\/a><\/span><\/div><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-1{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-center fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:28;line-height:var(--awb-typography1-line-height);\">DR. ELLEN MARTIN<\/h2><\/div><div class=\"fusion-text fusion-text-1\" style=\"text-align:center;margin-top:0%;\"><p><strong>University of Florida<\/strong><br \/>\n<strong>2007-2008 Distinguished Lecturer<\/strong><br \/>\n<em><strong>Tales of Deep Ocean Circulation Told by Tiny Fish Teeth<\/strong><\/em><\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:33.333333333333% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 2% !important;padding-right : 0px !important;margin-right : 5.76%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 5.76%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:33.333333333333% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 5.76%;margin-left : 5.76%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 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-2\"><p>Marine sediment deposition during the Cretaceous \u201cgreenhouse\u201d period was punctuated by intervals of extensive organic carbon burial known as Oceanic Anoxic Events (OAEs). The sediments laid down during OAEs represent important sources of hydrocarbons, record dramatic changes in the ocean environment, and reflect variations in the global carbon cycle. Competing theories attribute the cause of OAEs to either excess organic matter generated by high rates of surface productivity, or to stagnant, warm, deep ocean conditions that prevented regeneration of surface-derived organic matter. Until now there have been few good proxies capable of differentiating between these two hypotheses. Evidence of deep ocean circulation patterns is preserved in the neodymium isotopic records of tiny fossil fish teeth found in Ocean Drilling Program (ODP) sediment cores, however, and analyses of Nd isotopic signatures from teeth deposited across an OAE episode in the tropical North Atlantic suggest that circulation became more vigorous during that episode. These results indicate that deep ocean circulation was an important component of OAE formation and that this circulation, coupled with enhanced upwelling, led to high rates of surface productivity.<\/p>\n<p><strong><em>Dr. Martin\u2019s research relies on deep sea sediments recovered by ODP. She has been active in the advisory structure of the ODP, having served on the Scientific Measurements Panel and the U.S. Advisory Committee for Scientific Ocean Drilling (USAC).<\/em><\/strong><\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-1{width:66.666666666667% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-1 > .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-1{width:66.666666666667% !important;order : 0;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 2.88%;margin-left : 2.88%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-1{width:100% !important;order : 0;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 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;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-five\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h5 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:20;--minFontSize:20px;line-height:var(--awb-typography1-line-height);\"><h5>LECTURE SCHEDULE<\/h5><\/h5><\/div><div class=\"fusion-text fusion-text-3\" style=\"text-align:left;\"><p>October 19, 2007 \u2013 University of North Carolina at Charlotte<br \/>\nOctober 25, 2007 \u2013 University of Kentucky<br \/>\nOctober 26, 2007 \u2013 Northwestern University<br \/>\nJanuary 28, 2008 \u2013 Vassar College<br \/>\nMay 1, 2008 \u2013 University of New Hampshire<br \/>\nMay 2, 2008 \u2013 University of Massachusetts Amherst<br \/>\nSeptember 5, 2008 \u2013 Miami Science Museum<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-2{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-2 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-2{width:100% !important;order : 0;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-2{width:100% !important;order : 0;}.fusion-builder-column-2 > .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":5,"featured_media":0,"parent":19523,"menu_order":28,"comment_status":"closed","ping_status":"closed","template":"100-width.php","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-19745","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - 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