Deployment operation procedures for the WHOI Ice-Tethered Profiler

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Date
2007-07Author
Newhall, Kris
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Krishfield, Richard A.
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Peters, Donald B.
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Kemp, John N.
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https://hdl.handle.net/1912/2320DOI
10.1575/1912/2320Keyword
Oceanographic buoys; Oceanic mixingAbstract
Deployed and fixed to a suitable multi-year ice floe, the Ice-Tethered Profiler (ITP) can
sustain near-real time measurements of upper ocean temperature and salinity for up to three years.
Incorporating a specifically designed winch system and deployment apparatus that is both light
weight and easily assembled or disassembled on a ship or at a deployment site, the ITP can be
deployed in less than four hours by either transporting the gear and field personnel to the
deployment site via aircraft, or by lowering the gear over the side of a ship and hauling on the ice.
Using daily satellite imagery (if available), visual reconnaissance flights, and ice surveying, the
choice of an appropriate ice floe is a necessity to select a site that will sustain the system for a
prolonged period of time (depending upon the instrument sampling rate). If available, the
helicopter is the preferable method for surveying different sites and for deployment operations.
Working from a ship typically limits the distance and selection of ice floes. Pre-deployment
procedures include powering and configuring the ITP instruments and preparing the apparatus
for transport to the deployment site. Specific deployment methods include the assembly and
disassembly of the ITP winch, proper placement of the total ITP deployment apparatus, ‘Yale
Grip’ braiding and slipping techniques, and testing the Iridium and Inductive communication
links. The operations described here provide a safe and efficient manner to easily deploy the
WHOI ITP.
Suggested Citation
Technical Report: Newhall, Kris, Krishfield, Richard A., Peters, Donald B., Kemp, John N., "Deployment operation procedures for the WHOI Ice-Tethered Profiler", 2007-07, DOI:10.1575/1912/2320, https://hdl.handle.net/1912/2320Related items
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