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Ocean internal waves off the North American and African coasts from ERTS-1Periodic features observed in the ocean portions of certain ERTS-1 images have been identified with reasonable certainty as surface manifestations of oceanic internal gravity waves. A series of images taken over the New York Bight, commencing with the 16 July 1972 overpass and continuing on into autumn of 1973, has shown the internal waves to be present when summer solar heating stratifies the water sufficiently well to support such oscillations. When fall and winter wind action mixes the shelf water down to the bottom, the waves no longer appear. In the Bight, the wavelengths range from approximately 400 to 1000 m, with the wave field being most sharply delineated near the edges of the continental shelf, at the mouth of the Hudson Canyon. They appear in packets consisting of several waves separated by 10-15 km, which propagate up on the shelf and disappear.
Document ID
19740022680
Document Type
Conference Paper
Authors
Apel, J. R.
(National Oceanic and Atmospheric Administration Miami, FL, United States)
Charnell, R. L.
(National Oceanic and Atmospheric Administration Miami, FL, United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Publication Information
Publication: NASA. Goddard Space Flight Center 3d ERTS-1 Symp., Vol. 1, Sect. B
Subject Category
Geophysics
Report/Patent Number
PAPER-M2
Accession Number
74N30793
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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