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Science 24 April 1987:
Vol. 236. no. 4800, pp. 427 - 429
DOI: 10.1126/science.236.4800.427
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Articles

Ice-Edge Eddies in the Fram Strait Marginal Ice Zone

O. M. JOHANNESSEN 1, J. A. JOHANNESSEN 2, E. SVENDSEN 2, R. A. SHUCHMAN 3, W. J. CAMPBELL 4, and E. JOSBERGER 4

1 Geophysical Institute and Nansen Ocean and Remote Sensing Center, University of Bergen, Bergen, Norway.
2 Nansen Ocean and Remote Sensing Center, University of Bergen, Bergen, Norway.
3 Environmental Research Institute of Michigan, Ann Arbor, MI 48107.
4 U.S. Geological Survey, University of Puget Sound, Tacoma, WA 98416.

Five prominent ice-edge eddies in Fram Strait on the scale of 30 to 40 kilometers were observed over deep water within 77°N to 79°N and 5°W to 3°E. The use of remote sensing, a satellite-tracked buoy, and in situ oceanographic measurements showed the presence of eddies with orbital speeds of 30 to 40 centimeters per second and lifetimes of at least 20 days. Ice ablation measurements made within one of these ice-ocean eddies indicated that melting, which proceeded at rates of 20 to 40 centimeters per day, is an important process in determining the ice-edge position. These studies give new insight on the formation, propagation, and dissipation of ice-edge eddies.

Submitted on May 19, 1986
Accepted on January 14, 1987


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Ice-Edge Eddies in the Fram Strait Marginal Ice Zone.
O. M. Johannessen, O. M. JOHANNESSEN, J. A. JOHANNESSEN, E. SVENDSEN, R. A. SHUCHMAN, W. J. CAMPBELL, and E. JOSBERGER (1987)
Science 236, 427-429
   Abstract »    PDF »
Remote Sensing of the Fram Strait Marginal Ice Zone.
R. A. Shuchman, R. A. SHUCHMAN, B. A. BURNS, O. M. JOHANNESSEN, E. G. JOSBERGER, W. J. CAMPBELL, T. O. MANLEY, and N. LANNELONGUE (1987)
Science 236, 429-431
   Abstract »    PDF »
Ocean Dynamics and Acoustic Fluctuations in the Fram Strait Marginal Ice Zone.
I. DYER, A. B. BAGGEROER, P. N. MIKHALEVSKY, and P. H. DAHL (1987)
Science 236, 435-436
   Abstract »    PDF »


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