Spatial resolution and repeatability of Magsat crustal anomaly data over the Indian Ocean

Details Spatial resolution and repeatability of Magsat crustal anomaly data over the Indian Ocean Spatial resolution and repeatability of Magsat crustal anomaly data over the Indian Ocean

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982georl...9..289s&link_type=abstract

Geophysical Research Letters, vol. 9, Apr. 1982, p. 289-292.

Physics

Geophysics

25

Earth Crust, Geomagnetism, Indian Ocean, Magnetic Anomalies, Magsat Satellites, Satellite Tracking, Altimeters, Coherence, Data Reduction, Geophysics, Magnetic Surveys, Magnetometers, Planetary Mapping, Power Spectra, Spatial Resolution, Spectrum Analysis, Wavelengths

Scientific paper

Preliminary results from analysis of individual Magsat tracks in the eastern Indian Ocean demonstrate the resolution capability and repeatability of these data. Spectrum analysis indicates that 250 km is the absolute lower limit for resolving crustal magnetic anomalies in Magsat along-track data. Spectral coherence analysis of closely-spaced tracks shows that magnetic anomaly features with wavelengths greater than 700 km are highly repeatable from track to track.

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