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Time-dependence of sea-ice concentration and multiyear ice fraction in the Arctic BasinMicrowave images of sea ice obtained by Nimbus-5 and the NASA CV-990 airborne laboratory are used to determine the time variation of the sea-ice concentration and multiyear ice fraction within the pack ice in the Arctic Basin. The images, constructed from data acquired from the electrically scanned microwave radiometer, are analyzed for four seasons during 1973-1975. Observations indicate significant variations in the sea-ice concentration in the spring, late fall, and early winter. Sea-ice concentrations as low as 50% were detected in large areas in the interior of the Arctic polar sea-ice pack. The applicability of passive-microwave remote sensing for monitoring the time dependence of sea-ice concentration is considered.
Document ID
19780051440
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Gloersen, P. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Zwally, H. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Chang, A. T. C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hall, D. K. (NASA Goddard Space Flight Center Greenbelt, Md., United States)
Campbell, W. J. (U.S. Geological Survey Tacoma, Wash., United States)
Ramseier, R. O. (Department of Fisheries and Environment Ottawa, Canada)
Date Acquired
August 9, 2013
Publication Date
January 1, 1978
Subject Category
Oceanography
Accession Number
78A35349
Distribution Limits
Public
Copyright
Other

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