Comparison of mean gravity anomalies at elevation with corresponding ground anomalies |
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Authors: | R H Rapp |
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Institution: | (1) Department of Geodetic Science, The Ohio State University, Ohio, USA |
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Abstract: | In support of requirements for the U.S. Air Force Cambridge Research Laboratories, gravity anomalies have been upward continued
to several elevations in different areas of the United States. One area was 340 to 400 N in latitude and 960 to 1030 W in longitude, generally called the Oklahoma area. The computations proceeded from 26, 032 point anomalies to the prediction
of mean anomalies in 14, 704, 2.5′×2.5′ blocks and 9,284, 5′×5′ blocks. These anomalies were upward continued along 28 profiles
at 5′ intervals for every 30′ in latitude and longitude. These anomalies at elevations were meaned in various patterns to
form mean 30′×30″, 10×10, 50×50 blocks. Comparisons were then made to the corresponding ground values. The results of these comparisons lead to practical
recommendations on the arrangement of flight profiles in airborne gravimetry. |
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Keywords: | |
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