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ITP42 Overview

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From left to right, CCGS Louis S. St. Laurent, AOFB, and ITP 42 shortly after deployment during the JOIS 2010 cruise.  Also installed as part of this Ice-Based Observatory was an IMBB which is out of the picture to the right. (Rick Krishfield)


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The following summer during the JOIS 2011 expedition, ITP 42 and the IMB were found still occupying the same ice floe (reduced in size and thickness), but the AOFB was not found. (Gary Morgan)


ITP42 Overview

Deployment Location: 10/4/2010, 00:00 UTC at 77° 39.8’N, 146° 15.5’W

Recovery Location: 7/31/2011, 23:02 UTC at 76° 20.6’ N, 148° 2.7’ W  

Duration: 300 days

Distance Travelled: 2418 km

Number of profiles: 386 in 192 days

Other instruments: AOFB 22, IMB 2010-E

ITP 42 was deployed on a 2.35 m thick ice floe in the Beaufort Sea as part of the Beaufort Gyre Observing System (BGOS) during the JOIS 2010 cruise on the CCGS Louis S. St. Laurent. On the same icefloe, a Naval Postgraduate School Arctic Ocean Flux Buoy (AOFB) and a US Army Cold Regions Research and Engineering Laboratory (CRREL) Ice Mass Balance Buoy (IMBB) were installed. The ITP operated on a standard sampling schedule of 2 one-way profiles between 7 and 760 m depth each day until the profiler battery failed prematurely after only 6 months.  Fortunately, the system drifted near the cruise track of the CCGS Louis S. St. Laurent during the JOIS 2011 expedition, and the opportunity was taken to recover the ITP intact.  



Last updated: January 6, 2017
 


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