{"id":1188616,"date":"2023-10-04T10:31:23","date_gmt":"2023-10-04T14:31:23","guid":{"rendered":"https:\/\/www.prime-wow.com\/?p=1188616"},"modified":"2023-10-04T10:31:23","modified_gmt":"2023-10-04T14:31:23","slug":"potential-source-of-ancient-methane-eruption-identified","status":"publish","type":"post","link":"https:\/\/www.prime-wow.com\/?p=1188616","title":{"rendered":"Potential source of ancient methane eruption identified"},"content":{"rendered":"<div id=\"rss-wrap\">\n<figure class=\"intro-image intro-left\">\n  <img decoding=\"async\" src=\"https:\/\/www.prime-wow.com\/wp-content\/uploads\/2023\/10\/Modgunn-Vent-3D-v08-TWT-1600-800x505-1.jpg\" alt=\"A colored, 3D diagram of the ocean floor showing a large series of craters.\" \/><\/p>\n<p class=\"caption\" style=\"font-size:0.8em\"><a href=\"https:\/\/cdn.arstechnica.net\/wp-content\/uploads\/2023\/10\/Modgunn-Vent-3D-v08-TWT-1600.jpg\" class=\"enlarge-link\" data-height=\"1009\" data-width=\"1600\">Enlarge<\/a> <span class=\"sep\">\/<\/span> 3D seismic image showing the crater of the Modgunn Vent and others like it. The cratered surface labelled &#8220;BVU&#8221; is the seabed of 56 million years ago, with the modern seabed shown at top left. White lines are boreholes into the vent. (credit: Berndt et al, Nature Geoscience 2023)<\/p>\n<\/figure>\n<div><a name=\"page-1\" \/><\/div>\n<p>Fifty-six million years ago, <a href=\"https:\/\/www.nature.com\/articles\/nature23646\">trillions of tons<\/a> of carbon found its way into the atmosphere, <a href=\"https:\/\/royalsocietypublishing.org\/doi\/abs\/10.1098\/rsta.2017.0072\">acidifying<\/a> oceans and causing the already-warm global climate to heat up by another <a href=\"https:\/\/www.nature.com\/articles\/nature23646\">5\u00ba C<\/a> (9\u00ba F)\u2014an episode known as the \u201cPaleocene-Eocene Thermal Maximum\u201d or \u201cPETM.\u201d<\/p>\n<p>Like today, the warming climate affected the environment on land and in the sea, with <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0012821X18304643\">extreme downpours<\/a> and <a href=\"https:\/\/advances.sciencemag.org\/content\/3\/3\/e1600891\">heat-stressed<\/a> plankton at the base of the food web. Land animals had a high rate of <a href=\"https:\/\/www.univie.ac.at\/ajes\/archive\/volume_105_1\/hooker_collinson_ajes_v105_1.pdf\">extinction<\/a> and <a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S003101821200569X\">replacement<\/a> by <a href=\"http:\/\/science.sciencemag.org\/content\/335\/6071\/959.short\">smaller species<\/a>, and there was a mass extinction of tiny shell-making creatures that lived on the sea bed. The hotter climate supported <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0012821X15003994\">alligators<\/a> and <a href=\"https:\/\/pubs.geoscienceworld.org\/gsa\/gsabulletin\/article-abstract\/124\/1-2\/3\/125757\">swamp-cypress forests<\/a>, like those in today\u2019s southeastern United States, in Arctic latitudes that are covered by ice and tundra today.<\/p>\n<p>Where did all that carbon come from?<\/p>\n<\/div>\n<p><a href=\"https:\/\/arstechnica.com\/?p=1972524#p3\">Read 27 remaining paragraphs<\/a> | <a href=\"https:\/\/arstechnica.com\/?p=1972524&amp;comments=1\">Comments<\/a><\/p>\n<p>&#013;<br \/>\n&#013;<br \/>\nSource: Ars Technica &#8211; <a href=\"https:\/\/arstechnica.com\/?p=1972524\" target=\"_blank\" rel=\"noopener\">Potential source of ancient methane eruption identified<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Enlarge \/ 3D seismic image showing the crater of the Modgunn Vent and others like it. The cratered surface labelled &#8220;BVU&#8221; is the seabed of 56 million years ago, with the modern seabed shown at top left. White lines are &hellip; <a href=\"https:\/\/www.prime-wow.com\/?p=1188616\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":1188617,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,110],"tags":[73],"class_list":["post-1188616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ars-technica","category-unfiltered-rss","tag-ars-technica"],"_links":{"self":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1188616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1188616"}],"version-history":[{"count":0,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1188616\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/media\/1188617"}],"wp:attachment":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1188616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1188616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1188616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}