{"id":1798,"date":"2020-09-04T14:37:48","date_gmt":"2020-09-04T14:37:48","guid":{"rendered":"http:\/\/iccinet.org\/?p=1798"},"modified":"2022-07-12T15:21:57","modified_gmt":"2022-07-12T15:21:57","slug":"majority-of-antarctic-ice-shelves-sensitive-to-meltwater-fracturing","status":"publish","type":"post","link":"https:\/\/iccinet.org\/sv\/majority-of-antarctic-ice-shelves-sensitive-to-meltwater-fracturing\/","title":{"rendered":"Majority of Antarctic Ice Shelves Sensitive to Meltwater Fracturing"},"content":{"rendered":"<div><strong>Nature, August 26<\/strong>\n<\/div>\n<div>Antarctic ice shelves &#8211;\u00a0floating ice in contact with land ice &#8211; are both critical to maintaining ice sheet stability, and vulnerable to catastrophic fracturing from meltwater entering crevasses. Hydro-fracturing occurs when surface meltwater flows into and deepens pre-existing fractures, and is a potential mechanism driving sudden ice shelf collapse, as occurred with Larsen B in 2002, when over 3000 km<sup>2<\/sup>\u00a0disintegrated over a one-month period. This study used satellite mapping to locate surface fractures vulnerable to hydro-fracturing, and found that 60% of Antarctic\u2019s ice shelves (by area) are vulnerable to such events: where atmospheric warming and surface melting can trigger ice-shelf collapse.\u00a0 Such ice shelf loss can accelerate mass loss and sea-level rise from the Antarctic Ice Sheet, especially under conditions of rising atmospheric temperatures.<\/div>\n<div><\/div>\n<div><a href=\"https:\/\/www.nature.com\/articles\/s41586-020-2627-8\">https:\/\/www.nature.com\/articles\/s41586-020-2627-8<\/a><\/div>\n<div><\/div>\n<div>Compiled by Amy Imdieke.<\/div>","protected":false},"excerpt":{"rendered":"<p>Nature, August 26 Antarctic ice shelves &#8211;\u00a0floating ice in contact with land ice &#8211; are both critical to maintaining ice sheet stability, and vulnerable to catastrophic fracturing from meltwater entering crevasses. Hydro-fracturing occurs when surface meltwater flows into and deepens pre-existing fractures, and is a potential mechanism driving sudden ice shelf collapse, as occurred with [&#8230;]\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[152,9],"tags":[37,33,113,65],"class_list":["post-1798","post","type-post","status-publish","format-standard","hentry","category-cryosphere-capsules","category-latest-research","tag-antarctica","tag-climate-change","tag-hydrofracturing","tag-ice-shelves"],"modified_by":"Pam Pearson","_links":{"self":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts\/1798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/comments?post=1798"}],"version-history":[{"count":1,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts\/1798\/revisions"}],"predecessor-version":[{"id":1799,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts\/1798\/revisions\/1799"}],"wp:attachment":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/media?parent=1798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/categories?post=1798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/tags?post=1798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}