Physics – Geophysics
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29n..15g&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 14, pp. 15-1, CiteID 1670, DOI 10.1029/2002GL015245
Physics
Geophysics
1
Marine Geology And Geophysics: Instruments And Techniques, Geomagnetism And Paleomagnetism: Spatial Variations Attributed To Seafloor Spreading (3005), Geomagnetism And Paleomagnetism: Paleomagnetism Applied To Tectonics (Regional, Global), Geomagnetism And Paleomagnetism: Magnetic Anomaly Modeling, Marine Geology And Geophysics: Geomagnetism (1550)
Scientific paper
We have tested the feasibility of using a commercial motion sensor as a vector magnetometer that can be towed at normal survey speeds behind a research vessel. In contrast to previous studies using a shipboard mounted vector magnetometer, the towed system is essentially unaffected by the magnetization of the towing vessel. Results from a test deployment compare favorably with an earlier vector aeromagnetic survey, indicating that the towed instrument can resolve horizontal and vertical anomalies with amplitudes >30-50 nT. This instrument should be particularly useful in equatorial regions, where the vector anomalies are substantially greater than the corresponding total field anomalies.
Cande Steve C.
Gee Jeffrey S.
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