Mathematics – Logic
Scientific paper
Jul 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.3803c&link_type=abstract
Journal of Geophysical Research, vol. 84, July 30, 1979, p. 3803-3816.
Mathematics
Logic
6
Geoids, Geos 3 Satellite, Gravimetry, Ocean Surface, Radio Altimeters, Atlantic Ocean, Graphs (Charts), Ground Truth, Indian Ocean, Pacific Ocean, Planetary Gravitation, Radio Telemetry, Satellite-Borne Radar, Tables (Data), Topography
Scientific paper
The paper examines how well GEOS 3 radar altimeter estimates of geoid height compare with data from independently determined gravimetric geoids. To this end, GEOS 3 altimeter estimates of geoid height are compared with 1 by 1 deg gravimetric geoids in the North Atlantic, Northwest Pacific, and Indian oceans. There exist constant offsets and long-wavelength discrepancies between the two sets of data. Although some difficulties exist with constant offset and long-wavelength discrepancies, the GEOS 3 radar altimeter appears to detect geological features such as deep-sea trenches and is an excellent instrument for acquiring measurements of the shape of the ocean surface.
Chapman Michael E.
Talwani Manik
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