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Observed Hemispheric Asymmetry in Global Sea Ice ChangesFrom November 1978 through December 1996, the areal extent of sea ice decreased by 2.9 +/- 0.4 percent per decade in the Arctic and increased by 1.3 +/- 0.2 percent per decade in the Antarctic. The observed hemispheric asymmetry in these trends is consistent with a modeled response to a carbon dioxide-induced climate warming. The interannual variations, which are 2.3 percent of the annual mean in the Arctic, with a predominant period of about 5 years, and 3.4 percent of the annual mean in the Antarctic, with a predominant period of about 3 years, are uncorrelated.
Document ID
20000037980
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Cavalieri, D. J.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Gloersen, P.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Parkinson, C. L.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Comiso, J. C.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Zwally, H. J.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
August 19, 2013
Publication Date
November 1, 1997
Publication Information
Publication: Laboratory for Hydrospheric Processes Research Publications
Subject Category
Oceanography
Distribution Limits
Public
Copyright
Other

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