Hydrographic data from R/V Endeavor cruise #90
Stalcup, Marvel C.
Joyce, Terrence M.
Barbour, R. Lorraine
Dunworth, Jane A.
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The final cruise of the NSF sponsored Warm Core Rings Program studied a Warm Core Ring (WCR) in the Fall of 1982 as it formed from a large northward meander of the Gulf Stream. This ring, known as 82-H or the eighth ring identified in 1982, formed over the New England Seamounts near 39.5°N, 65°W. Surveys using Expendable Bathythermographs, Conductivity-Temperature-DepthOxygen stations and Doppler Current Profiling provide a look at the genesis of a WCR. These measurements reveal that WCR 82-H separated from the Gulf Stream sometime between October 2-5. This ring was a typical WCR with a diameter of about 200 km and speeds in the high velocity core of 175 em/sec. Satellite imagery of 82-H following the cruise showed that it drifted WSW in the Slope Water region at almost 9 km/day, had at least one interaction with the Gulf Stream and was last observed on February 8, 1983 at 39°N, 72°W.
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