Abstracts
SEARCH Open Science Meeting
October 27, 2003
Seattle, Washington, USA
An Energy Conserving Moored Oceanographic Profiler for Marginal Ice Zone Regions, ICYCLER
George Fowler1, Simon J. Prinsenberg2
1Bedford Institute of Oceanography, Fisheries and Oceans Canada, P.O. Box 1006, Dartmouth N.S., Dartmouth , N.S., B2Y 4A2, Canada, Phone 902-426-5928, Fax 902-426-6927, fowlerg@mar.dfo-mpo.gc.ca
2Bedford Institute of Oceanography, Fisheries and Oceans Canada, P.O. Box 1006, Dartmouth N.S., Dartmouth , N.S., B2Y 4A2, Canada, Phone 902-426-5928, Fax 902-426-6927, prinsenbergs@mar.dfo-mpo.gc.ca
As part of the ASOF-West “Flux through the Arcipelago” project an ocean water column profiler equipped with a conductivity, temperature, and depth profiler (CTD), fluorometer, buoyancy mechanisms, and internal winch was designed to profile surface layer water properties for one year under mobile ice cover. The system, called “ICYCLER”, is energy efficient by using the “elevator” concept but using buoyancy instead of gravity as the driving force. The main body (containing the winch and ten times as buoyant as the profiler) moves down 1/10 of the distance while the profiler moves up. Unlike hanging instruments from the ice, this configuration allows measurement to occur throughout the year no matter what the ice conditions are. On a preset schedule, the profiler that carries the CTD is "winched up" to a point just beneath the ice/surface that is defined by an on-board miniature sonar. Then it is immediately "winched down" to safety away from dangerous ice features. The first ICYCLER was deployed in August, 2002 in Lancaster Sound of the Canadian Arctic Archipelago as part of the ASOF-West flux project of BIO. A second re-designed ICYCLER with an E-motor is being tested in the Gulf of St. Lawrence for Arctic deployment in summer 2004.
Abstract Categories: Changes in the Sea
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