{"id":358404,"date":"2010-02-24T10:03:35","date_gmt":"2010-02-24T15:03:35","guid":{"rendered":"http:\/\/www.earthportal.org\/news\/?p=3149"},"modified":"2010-02-24T10:03:35","modified_gmt":"2010-02-24T15:03:35","slug":"scientists-hope-new-ice-samples-will-answer-prehistoric-atmosphere-questions","status":"publish","type":"post","link":"https:\/\/mereja.media\/index\/358404","title":{"rendered":"Scientists hope new ice samples will answer prehistoric atmosphere questions"},"content":{"rendered":"<p><a href=\"http:\/\/www.denverpost.com\/news\/ci_14451598\" ><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/extras.mnginteractive.com\/live\/media\/site36\/2010\/0222\/20100222__20100223_B01_CD23ICE~p1_200.JPG\" width=\"309\" align=\"right\" height=\"202\" \/><\/a><a href=\"http:\/\/eenews.net\/climatewire\/2010\/02\/24\/9\/\" >ClimateWire<\/a>: Scientists at the National Ice Core Laboratory in Denver are awaiting a new set of ice samples extracted 1,400 feet beneath <a href=\"http:\/\/www.eoearth.org\/article\/Antarctica\">Antarctica<\/a>, hoping the ice will provide the best information yet about prehistoric concentrations of <a href=\"http:\/\/www.eoearth.org\/article\/Greenhouse_gas\">greenhouse gases<\/a>.<\/p>\n<p>The meter-long pillars of ice are now moving by boat from <a href=\"http:\/\/www.eoearth.org\/article\/Biological_diversity_in_New_Zealand\">New Zealand<\/a> toward their final destination, a federal freezer constantly set to minus 33 degrees Fahrenheit. The freezer already contains about 15,500 of the ice pillars.<\/p>\n<p>The laboratory sends slices of the ice to university researchers, who can release trapped air by crushing the ice and then test the air to determine <a href=\"http:\/\/www.eoearth.org\/article\/Carbon_dioxide\">carbon dioxide<\/a> levels. Previous testing has suggested that levels of the greenhouse gas have risen from 200 parts per million during the Ice Age to 270 ppm before industrialization and 388 ppm today.<\/p>\n<p>&#8220;Right now, we have this uncertainty about what happens first: temperature rise or the rise of carbon dioxide,&#8221; said Ken Taylor, chief scientist for the West Antarctic Ice Sheet Ice Divide Core Project. &#8220;This project will answer that question. It has the potential to really change our understanding of the interaction&#8221; (Bruce Finley, <a href=\"http:\/\/www.denverpost.com\/news\/ci_14451598\" ><em>Denver Post<\/em><\/a>, Feb. 23). <strong>&#8211; GN<\/strong><\/p>\n<p class=\"akst_link\"><a href=\"http:\/\/www.earthportal.org\/news\/?p=3149&amp;akst_action=share-this\"  title=\"E-mail this, post to del.icio.us, etc.\" id=\"akst_link_3149\" class=\"akst_share_link\" rel=\"nofollow\">Share This<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ClimateWire: Scientists at the National Ice Core Laboratory in Denver are awaiting a new set of ice samples extracted 1,400 feet beneath Antarctica, hoping the ice will provide the best information yet about prehistoric concentrations of greenhouse gases. The meter-long pillars of ice are now moving by boat from New Zealand toward their final destination, [&hellip;]<\/p>\n","protected":false},"author":4055,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-358404","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/posts\/358404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/users\/4055"}],"replies":[{"embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/comments?post=358404"}],"version-history":[{"count":0,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/posts\/358404\/revisions"}],"wp:attachment":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/media?parent=358404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/categories?post=358404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/tags?post=358404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}