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Switchyard UW CTD data

Point of Contact
Michael Steele
The Switchyard project is a program to study circulation (sea ice and upper ocean) in the region between Alert (Ellesmere Island) and the North Pole, through a series of annual springtime hydrographic surveys, moorings, and sea ice analyses. These University of Washington (UW) Conductivity Temperature Depth (CTD) data were collected using a combination of helicopters and Twin Otter aircraft. In 2003-2006, data were collected by helicopter landing on the sea ice near a lead, where a small winch was used to lower a Seabird (SBE) 19 plus CTD (with dissolved oxygen sensor) down to 500m. Data were collected on a Soutwest-Nnortheast section across the continental slope centered at about 65W, 84N, and also at other locations in the Lincoln Sea as the opportunity presented itself. In 2007, poor weather conditions precluded safe helicopter operations and no UW CTD data were collected. Beginning in 2008 and continuing through 2012, a Twin Otter was used by the UW team to collect CTD profiles as deep as 1000m within a 500 km radius of Alert. In 2010 and 2011, Airborne Expendable CTD Probes were dropped into open leads from the Twin to record an ocean section across the north end of Nares Strait.
Completed - Dataset fully collected/analyzed.
Time Coverage
May 6, 2003 - May 16, 2012
Northernmost Latitude
Southernmost Latitude
Westernmost Longitude
Easternmost Longitude
Ocean and Sea Ice
Science Keywords
Oceans > Ocean Circulation > Fresh Water Flux
ISO Topic(s)
Time Frequency(ies)
Arctic Ocean
Data Type(s)
Profilers/Sounders > CTD > Conductivity, Temperature, Depth (Conductivity, Temperature, Depth)
Data Format(s)
Date Created
2012-11-09 14:51:16
Date Last Updated
2015-02-05 10:49:56
Data Center
Advanced Cooperative Arctic Data and Information Service
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Switchyard moored CT data
Sea Ice Motion in the Arctic Ocean Switchyard
A Modular Approach to Building an Arctic Observing System for the IPY and Beyond in the Switchyard Region of the Arctic Ocean

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