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First Ice-Based Observatory deployed during the JOIS 2011 cruise consisted of O-buoy 5, IMB 2011-I and ITP 52 with biosuite package. (Rick Krishfield)

ITP52 Overview

Deployment Location: 8/5/2011, 8:00 UTC at 78° 0.4’N, 139° 55.5’W

Last Location: 1/19/2012, 23:00 UTC at 75° 55.5’ N, 131° 45.5’ W  

Duration: 167 days

Distance Travelled: 1313 km

Number of profiles: 378 in 110 days

Other instruments: IMB 2011-I, O-Buoy 5

ITP52 was deployed on a 4.20 m thick ice floe in the Beaufort Sea as part of the Beaufort Gyre Observing System (BGOS) during the JOIS 2011 cruise on the CCGS Louis S. St. Laurent. On the same icefloe, a US Army Cold Regions Research and Engineering Laboratory (CRREL) Ice Mass Balance Buoy (IMB 2011-I), and an autonomous atmospheric chemistry buoy (O-Buoy 5) were also installed. The ITP included a dissolved oxygen sensor and full biosuite system and operated on a pattern profiling sampling schedule including one full one-way profile between 7 and 760 m depth every 1.5 days. More information on the biosuite sensor package and data handling can be found here .

Last updated: September 23, 2020

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