{"id":3329,"date":"2014-10-24T11:17:26","date_gmt":"2014-10-24T16:17:26","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=3329"},"modified":"2014-10-24T11:17:26","modified_gmt":"2014-10-24T16:17:26","slug":"dissolved-oxygen-is-key-for-underwater-forensics","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/dissolved-oxygen-is-key-for-underwater-forensics\/","title":{"rendered":"Dissolved oxygen is key for underwater forensics<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_3330\" style=\"width: 360px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/15587081926_138eec5b77_k.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3330\" class=\"size-full wp-image-3330\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/15587081926_138eec5b77_k.jpg\" alt=\"An experiment in the Saanich Inlet has provided new insight on how dissolved oxygen levels affect the marine scavengers that determine the fate of decomposing bodies (Photo credit: SFU University Communications, via Flickr)\" width=\"350\" height=\"275\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/15587081926_138eec5b77_k.jpg 350w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/15587081926_138eec5b77_k-300x235.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/a><p id=\"caption-attachment-3330\" class=\"wp-caption-text\">An experiment in the Saanich Inlet has provided new insight on how dissolved oxygen levels affect the marine scavengers that determine the fate of decomposing bodies (Photo credit: <a href=\"https:\/\/www.flickr.com\/photos\/sfupamr\/sets\/72157648896598132\/\">SFU University Communications, via Flickr<\/a>)<\/p><\/div>\n<p>A new study indicates that dissolved oxygen has a big impact on how bodies decay underwater, a finding that could help in forensic investigations.<\/p>\n<p>Researchers deployed three pig carcasses outside the Victoria Experimental Network Under the Sea (VENUS), a cabled underwater laboratory with underwater cameras and sensors to record oxygen levels, temperature, pressure, salinity, density and other factors every minute. Two of the carcasses were stripped by scavengers within a month of being deployed.<\/p>\n<p>The third carcass was deployed at a time of extremely low oxygen, which kept out many of the larger scavengers, and lasted several months. Such studies can help forensic investigators determine how long bodies have been under water.<\/p>\n<p><a href=\"http:\/\/www.plosone.org\/article\/info%3Adoi%2F10.1371%2Fjournal.pone.0110710\" target=\"_blank\"><span style=\"text-decoration: underline;\">Original research paper<\/span><\/a>\u00a0published in <em>PLoS ONE\u00a0<\/em>on\u00a0<span class=\"aBn\" tabindex=\"0\" data-term=\"goog_453723367\"><span class=\"aQJ\"><strong>October 20, 2014<\/strong>.<\/span><\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Names and affiliations of selected\u00a0authors<\/strong><\/em><\/span><\/p>\n<h4 dir=\"ltr\"><span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.sfu.ca\/%7Eganderso\/\" target=\"_blank\">Gail Anderson<\/a><\/span>, Simon Fraser University,\u00a0British Columbia<\/h4>\n<h4 dir=\"ltr\"><span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.sfu.ca\/%7Elynneb\/\" target=\"_blank\">Lynne Bell<\/a><\/span>, Simon Fraser University, British Columbia<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>A new study indicates that dissolved oxygen has a big impact on how bodies decay underwater, a finding that could help in forensic investigations. Researchers deployed three pig carcasses outside the Victoria Experimental Network Under the Sea (VENUS), a cabled underwater laboratory with underwater cameras and sensors to record oxygen levels, temperature, pressure, salinity, density [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3330,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[25],"tags":[125,2240,225],"class_list":["post-3329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest","tag-british-columbia","tag-crime","tag-oceanography"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/15587081926_138eec5b77_k.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-RH","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=3329"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3329\/revisions"}],"predecessor-version":[{"id":3331,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3329\/revisions\/3331"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/3330"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=3329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=3329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=3329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}