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Seasat altimeter observations of dynamic topography in the Gulf Stream regionA straightforward approach to altimeter data analysis in the Gulf Stream system is presented, using a detailed geoid model to remove the gravitational component. The resulting sea surface height profiles compare remarkably well with independent oceanographic observations. Specific features such as cold rings, warm rings, and no anomaly regions are analyzed and it is shown that known positions of cyclonic and anticyclonic rings correspond with depressions and elevations, respectively, with amplitudes as large as 95 cm. The apparent fluctuation of the Gulf Stream is indicated by the results, as in the finding that on time scales of a few days, surface transport indicated by the sea surface height difference across the stream varied by nearly 30%
Document ID
19810039084
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Cheney, R. E.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Marsh, J. G.
(NASA Goddard Space Flight Center Geodynamics Branch, Greenbelt, Md., United States)
Date Acquired
August 11, 2013
Publication Date
January 20, 1981
Publication Information
Publication: Journal of Geophysical Research
Volume: 86
Subject Category
Oceanography
Accession Number
81A23488
Distribution Limits
Public
Copyright
Other

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