{"id":1564,"date":"2019-08-30T13:29:01","date_gmt":"2019-08-30T17:29:01","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/itp\/?page_id=1564"},"modified":"2022-02-10T10:20:54","modified_gmt":"2022-02-10T14:20:54","slug":"itp-21","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/itp\/data\/completed-missions\/itp-21\/","title":{"rendered":"ITP 021"},"content":{"rendered":"\n\n\t<h1>ITP21 Overview<\/h1>\n\t<p><strong>Deployment Location:<\/strong>\u00a08\/3\/2008, 21:00 UTC at 80\u00b0 0.6&#8217;N, 150\u00b0 5.3&#8217;W<\/p>\n<p><strong>Recovery Location:<\/strong>\u00a09\/23\/2009, 23:30 UTC at 72\u00b0 33.4&#8242; N, 140\u00b0 49.7&#8242; W<\/p>\n<p><strong>Duration:<\/strong>\u00a0416 days<\/p>\n<p><strong>Distance Traveled:<\/strong>\u00a03535 km<\/p>\n<p><strong>Number of profiles:<\/strong>\u00a0832 in 415 days<\/p>\n<p><strong>Other instruments:<\/strong>\u00a0none<\/p>\n<p>ITP21 was deployed on a 3.3 m thick ice floe in the Beaufort Sea as part of the\u00a0<a href=\"https:\/\/www.whoi.edu\/beaufortgyre\">Beaufort Gyre Observing System (BGOS)\u00a0<\/a>during the JOIS 2008 cruise on the\u00a0<em>CCGS Louis S. St. Laurent<\/em>. The ITP operated on a standard sampling schedule of 2 one-way profiles between 7 and 760 m depth each day, although hindered after the first month by extremely fouled CTD sensors which cleared 5 months later, and then hampered by problems profiling the full depth range.\u00a0 Fortunately, the JOIS 2009 cruise on the\u00a0<em>Louis S. St. Laurent<\/em>\u00a0allowed the opportunity to recover the system 13 months later and 500 miles south.\u00a0 Upon examination a broken tension spring was found on the profiler, explaining the profiling problems.<\/p>\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/08\/DSCN3306_261413.jpg\" target=\"_self\" rel=\"noopener\">\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/08\/DSCN3306_261413.jpg\" alt=\"ITP 21 (and all ITPs deployed in summer 2008) included a supplemental conical flotation collar added to the standard ITP buoy in order to bring the surface electronics higher above the ice (in the event of ridging) and hopefully prolong the lifetime of the systems in less robust ice conditions.\" height=\"3072\" width=\"2304\" title=\"DSCN3306_261413\" \/>\n\t\t\t\t<\/a>\n\t\tITP 21 (and all ITPs deployed in summer 2008)  included a supplemental conical flotation collar added to the standard ITP buoy in order to bring the surface electronics higher above the ice (in the event of ridging) and hopefully prolong the lifetime of the systems in less robust ice conditions. (Photo by Rick Krishfield)\n\n","protected":false},"excerpt":{"rendered":"<p>ITP21 Overview Deployment Location:\u00a08\/3\/2008, 21:00 UTC at 80\u00b0 0.6&#8217;N, 150\u00b0 5.3&#8217;W Recovery Location:\u00a09\/23\/2009, 23:30 UTC at 72\u00b0 33.4&#8242; N, 140\u00b0 49.7&#8242; W Duration:\u00a0416 days Distance Traveled:\u00a03535 km Number of profiles:\u00a0832 in 415 days Other instruments:\u00a0none ITP21 was deployed on a 3.3 m thick ice floe in the Beaufort Sea as part of the\u00a0Beaufort Gyre Observing&hellip;<\/p>\n","protected":false},"author":83,"featured_media":0,"parent":871,"menu_order":21,"comment_status":"closed","ping_status":"closed","template":"tpl-sidebar.php","meta":{"advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/1564"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/comments?post=1564"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/1564\/revisions"}],"predecessor-version":[{"id":3811,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/1564\/revisions\/3811"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/871"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/media?parent=1564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}