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Structure and Variability of Bering and Okhotsk Sea-Ice Cover by Satellite Microwave Imagery1

By
W. J. Campbell
W. J. Campbell
2
Ice Dynamics Project, U. S. Geological Survey, Tacoma, Washington 98416.
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R. O. Ramseier
R. O. Ramseier
3
Surveillance Satellite Project, Ottawa, Ontario Kia 0Y7, Canada.
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H. J. Zwally
H. J. Zwally
4
Goddard Space Flight Center, NASA, Greenbelt, Maryland 20771.
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P. Gloersen
P. Gloersen
4
Goddard Space Flight Center, NASA, Greenbelt, Maryland 20771.
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Published:
January 01, 1981

Abstract

The utilization of natural resources in the Bering and Okhotsk Seas is affected by the presence of highly dynamic seasonal sea-ice covers. The means to observe these ice covers during periods of cloud cover and darkness by the Electronically Scanning Microwave Radiometer (ESMR) which operated on the Nimbus-5 satellite from December 1972 to December 1976, has greatly improved our knowledge of their structure and motion. Both of these ice covers are composed of first-year and younger sea-ice types, and both are highly dynamic because they have unconstrained southern boundaries and exist in areas of intense meterologic activity. Sequential ice-concentration maps derived from ESMR imagery show that both ice covers undergo great variation in ice concentration at short time scales. Ice concentration and extent for the years 1973 to 1976, as deduced from ESMR imagery, show significant seasonal and annual variations.

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Contents

AAPG Studies in Geology

Energy Resources of the Pacific Region

Michel T. Halbouty
Michel T. Halbouty
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American Association of Petroleum Geologists
Volume
12
ISBN electronic:
9781629811802
Publication date:
January 01, 1981

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