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Acquisition and processing of high precision Greenland marine gravity data

Authors
Journal
Physics and Chemistry of the Earth
0079-1946
Publisher
Elsevier
Publication Date
Volume
21
Issue
4
Identifiers
DOI: 10.1016/s0079-1946(97)00061-x

Abstract

Abstract This paper is a report on the acquisition and processing of Greenland marine gravity data collected 1991–1995, in connection with Nunaoil-operated seismic surveys in Greenland shelf areas. The used LaCoste and Romberg gravimeter worked nearly automatically and without major problems throughout all surveys. The navigation was by P-code GPS. The results of the data processing show that the marine gravity surveys have a very high accuracy (r.m.s. less than 0.5 mgal at cross-over points). The high accuracy is related to the combination of a slow vessel speed and the use of precise GPS navigation.

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