Computer Science – Sound
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983rvgsp..21..634h&link_type=abstract
Reviews of Geophysics and Space Physics (ISSN 0034-6853), vol. 21, April 1983, p. 634-643. NSF-NASA-supported research.
Computer Science
Sound
1
Geomagnetism, Magnetic Anomalies, Magsat Satellites, Satellite Sounding, Bibliographies, Oceans, Structural Basins, Subduction (Geology), United States
Scientific paper
The implications and accuracy of anomaly maps produced using Magsat data on the scalar and vector magnetic field of the earth are discussed. Comparisons have been made between the satellite maps and aeromagnetic survey maps, showing smoother data from the satellite maps and larger anomalies in the aircraft data. The maps are being applied to characterize the structure and tectonics of the underlying regions. Investigations are still needed regarding the directions of magnetization within the crust and to generate further correlations between anomaly features and large scale geological structures. Furthermore, an increased data base is recommended for the Pacific Ocean basin in order to develop a better starting model for Pacific tectonic movements. The Pacific basin was large farther backwards in time and subduction zones surround the basin, thereby causing difficulties for describing the complex break-up scenario for Gondwanaland.
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