{"id":76,"date":"2019-12-28T02:24:25","date_gmt":"2019-12-28T02:24:25","guid":{"rendered":"https:\/\/azcsank.com\/?page_id=76"},"modified":"2019-12-29T04:42:30","modified_gmt":"2019-12-29T04:42:30","slug":"research","status":"publish","type":"page","link":"https:\/\/azcsank.com\/?page_id=76","title":{"rendered":"Research"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Pliocene Arctic climate and ecosystems <\/h3>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-vertically-aligned-center\" style=\"grid-template-columns:48% auto\"><figure class=\"wp-block-media-text__media\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/DSC00574.jpg?resize=640%2C480&#038;ssl=1\" alt=\"\" class=\"wp-image-81\" srcset=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/DSC00574-scaled.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/DSC00574-scaled.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/DSC00574-scaled.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/DSC00574-scaled.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/DSC00574-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/DSC00574-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-align-left has-small-font-size wp-block-paragraph\">My research into Pliocene climate           focuses on the application of light stable isotopic and dendrochronologic techniques to exceptionally well preserved fossil material in order to reconstruct Pliocene Arctic climates. This work is ongoing as part of the PoLAR-FIT working group. I have worked on fossil forest deposits on Ellesmere Island (Csank et al. 2011a; 2011b; Fletcher et al. 2019) and returned to that site in 2016 to collect additional samples. I have also worked on Bylot Island (Csank et al. 2013) and visited Prince Patrick Island in 2017. <\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">For media coverage of some of my earlier work see: <br><a href=\"https:\/\/web.archive.org\/web\/20170106174241\/http:\/\/www.alaskadispatch.com\/article\/arctic-nearing-greenhouse-gas-tipping-point\"> Arctic nearing greenhouse gas tipping point <\/a><br><a href=\"https:\/\/web.archive.org\/web\/20170106174241\/http:\/\/newsroom.ucla.edu\/portal\/ucla\/ancient-fossils-hold-clues-for-199756.aspx\"> Ancient fossils hold clues for predicting future climate change, scientists report <\/a><br><a href=\"https:\/\/web.archive.org\/web\/20170106174241\/http:\/\/www.dailybruin.com\/index.php\/article\/2011\/04\/arctic_fossils_provide_clues_to_future_climate\"> Arctic fossils provide clues to future climate <\/a><br><a href=\"https:\/\/web.archive.org\/web\/20170106174241\/http:\/\/www.sciencedaily.com\/releases\/2010\/06\/100629131318.htm\"> Arctic Climate May Be More Sensitive to Warming Than Thought, Says New Study <\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Storm Tracks in the Pacific Northwest<\/h3>\n\n\n\n<div class=\"wp-block-media-text alignwide\"><figure class=\"wp-block-media-text__media\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?resize=640%2C480&#038;ssl=1\" alt=\"\" class=\"wp-image-87\" srcset=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?w=2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4077.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-small-font-size wp-block-paragraph\">The  trajectory of incoming storms from the Pacific Ocean influences  precipitation patterns in the western United States, shaping drought and  flood events. In this project, we are using seasonally resolved  tree-ring data (based on earlywood and latewood widths, \u03b4<sup>18<\/sup>O, and \u03b4<sup>13<\/sup>C)  and weekly precipitation isotope sampling at nearby sites to  reconstruct storm-track position and moisture delivery pathways to the  U.S. Pacific Northwest. <\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Empire, Trees &amp; Climate in the Atlantic<\/h3>\n\n\n\n<div class=\"wp-block-media-text alignwide\"><figure class=\"wp-block-media-text__media\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4154.jpg?resize=640%2C480&#038;ssl=1\" alt=\"\" class=\"wp-image-88\" srcset=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4154-scaled.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4154-scaled.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4154-scaled.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4154-scaled.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4154-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_4154-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-small-font-size wp-block-paragraph\">As part of a collaborative project with a research team consisting of historians and archeologists to in the area of critical physical geography we are using a mixed methods approach, using dendro-provenancing, customs records and historical documentation to establish where wood from historic structures in Bermuda came from, if not local. In partnership with the  National Museum of Bermuda and the Bermuda department of Conservation Services I also have a MS student (Jehren Boehm) working to see if it is possible to   develop a chronology from Bermuda cedar and if so what such a chronology can tell us about past climate of Bermuda.           <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><a href=\"https:\/\/web.archive.org\/web\/20170106174241\/https:\/\/empiretimber.wordpress.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Check out our blog!<\/a> \n      <\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Isotopic response to spruce beetle and competition in SW Alaska<\/h3>\n\n\n\n<div class=\"wp-block-media-text alignwide\"><figure class=\"wp-block-media-text__media\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"857\" src=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_0562.jpg?resize=640%2C857&#038;ssl=1\" alt=\"\" class=\"wp-image-95\" srcset=\"https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_0562-scaled.jpg?resize=765%2C1024&amp;ssl=1 765w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_0562-scaled.jpg?resize=224%2C300&amp;ssl=1 224w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_0562-scaled.jpg?resize=768%2C1028&amp;ssl=1 768w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_0562-scaled.jpg?resize=1147%2C1536&amp;ssl=1 1147w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_0562-scaled.jpg?w=1912&amp;ssl=1 1912w, https:\/\/i0.wp.com\/azcsank.com\/wp-content\/uploads\/2019\/12\/IMG_0562-scaled.jpg?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-small-font-size wp-block-paragraph\">Recent wide spread tree mortality in SW Alaska as a result of spruce beetle outbreak is a concern of forest managers and climate scientists alike. carbon and oxygen isotope ratios of tree rings from both live and dead trees were used to assess whether trees were already under stress as a result of drought conditions  prior to beetle attack. We published the results of this study in 2016 and are currently working on a follow-up study to assess whether competition in Alaskan forests can alter the physiological response of trees to climate. <\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pliocene Arctic climate and ecosystems My research into Pliocene climate focuses on the application of light stable isotopic and dendrochronologic techniques to exceptionally well preserved fossil material in order to reconstruct Pliocene Arctic climates. This work is ongoing as part of the PoLAR-FIT working group. I have worked on fossil forest deposits on Ellesmere Island [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-76","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/azcsank.com\/index.php?rest_route=\/wp\/v2\/pages\/76","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/azcsank.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/azcsank.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/azcsank.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/azcsank.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=76"}],"version-history":[{"count":5,"href":"https:\/\/azcsank.com\/index.php?rest_route=\/wp\/v2\/pages\/76\/revisions"}],"predecessor-version":[{"id":96,"href":"https:\/\/azcsank.com\/index.php?rest_route=\/wp\/v2\/pages\/76\/revisions\/96"}],"wp:attachment":[{"href":"https:\/\/azcsank.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}