{"id":2217,"date":"2019-09-20T17:36:03","date_gmt":"2019-09-20T21:36:03","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/itp\/?page_id=2217"},"modified":"2021-07-20T13:13:42","modified_gmt":"2021-07-20T17:13:42","slug":"itp44-deployment","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/itp\/data\/completed-missions\/itp44\/itp44-deployment\/","title":{"rendered":"ITP 044 Deployment"},"content":{"rendered":"\r\n\t<h1>ITP44 Deployment Operations<\/h1>\r\n\t<p>The final ITP deployment for JOIS 2010 was a prototype with a current probe with stabilizing fins which required a 24\u201d diameter hole to be drilled through the floe.\u00a0 Time was running out on the cruise to find a decent ice floe for the deployment, as the ship was heading south, and would soon be out of the perennial ice zone.\u00a0 The days were also becoming increasingly shorter and the weather more winter-like.<\/p>\r\n<p>Consequently, the deployment team had to settle for a relatively tiny floe that was only 1.55 m thick.\u00a0 A portable hot water drill ring apparatus was used to melt through the floe, after some difficulty with frozen hoses in the sub-zero (&lt; -5\u00b0 C) conditions.\u00a0 The ice core was removed by cutting up the core with a chainsaw.\u00a0 The remainder of the deployment proceeded as usual, finishing with the surface flotation collar effectively corking the 2 foot hole.\u00a0 The backhauling of deployment apparatus and personnel was quickened due to the approaching darkness and bursts of snowfall.<\/p>\r\n<p>More information and photos on the deployment operation are also available at:\u00a0<a href=\"https:\/\/www.whoi.edu\/page.do?pid=66818\">https:\/\/www.whoi.edu\/page.do?pid=66818<\/a>.<\/p>\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6148_451097.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6148_451097.jpg\" alt=\"Kris Newhall and Dan MacLean position the 2 foot diameter hot water ring for drilling through the ice floe.\" height=\"2304\" width=\"3072\" title=\"DSCN6148_451097\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tKris Newhall and Dan MacLean position the 2 foot diameter hot water ring for drilling through the ice floe. (Rick Krishfield)\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6151_451041.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6151_451041.jpg\" alt=\"Jim Dunn adjusts the heater\/pump unit.\" height=\"2304\" width=\"3072\" title=\"DSCN6151_451041\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tJim Dunn adjusts the heater\/pump unit. (Rick Krishfield)\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSC_0046_451099.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSC_0046_451099.jpg\" alt=\"Water is supplied to the hot drill through the augered 4\u201d diameter hole in the center.\" height=\"2848\" width=\"4288\" title=\"DSC_0046_451099\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tWater is supplied to the hot drill through the augered 4\u201d diameter hole in the center.  After the core is drilled, the 4\u201d hole is also used to pass a toggle under the ice to lift the core for removal. (Kazu Tateyama)\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6156_451043.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6156_451043.jpg\" alt=\"A clove hitch is secured to the profiler by Newhall and Dunn to suspend the profiler while it is being mounted to the wire.\" height=\"3072\" width=\"2304\" title=\"DSCN6156_451043\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tA clove hitch is secured to the profiler by Newhall and Dunn to suspend the profiler while it is being mounted to the wire. (Rick Krishfield)\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6158_451019.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/DSCN6158_451019.jpg\" alt=\"Rick Krishfield guides the profiler with MAVS sting and fins through the hole.\" height=\"2304\" width=\"3072\" title=\"DSCN6158_451019\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tRick Krishfield guides the profiler with MAVS sting and fins through the hole. (Dan MacLean)\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/Louis_2010_177_451045.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/09\/Louis_2010_177_451045.jpg\" alt=\"From the deck of the Louis, one can barely make out profiler being lowered through the hole in the ice.\" height=\"2736\" width=\"3648\" title=\"Louis_2010_177_451045\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tFrom the deck of the Louis, one can barely make out profiler being lowered through the hole in the ice. (Bill Williams)\r\n","protected":false},"excerpt":{"rendered":"<p>ITP44 Deployment Operations The final ITP deployment for JOIS 2010 was a prototype with a current probe with stabilizing fins which required a 24\u201d diameter hole to be drilled through the floe.\u00a0 Time was running out on the cruise to find a decent ice floe for the deployment, as the ship was heading south, and&hellip;<\/p>\n","protected":false},"author":83,"featured_media":0,"parent":2213,"menu_order":1,"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\/2217"}],"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=2217"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/2217\/revisions"}],"predecessor-version":[{"id":3573,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/2217\/revisions\/3573"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/2213"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/media?parent=2217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}