Abstract
The A-10 field absolute gravimeter produced by the company Micro-g LaCoste Inc. was found to comply well with the producer specification of an uncertainty of 100 nm s−2 for the determination of gravity acceleration. Repeated observational checks at a known reference station and careful calibration of instrumental standards demonstrated that the gravity measurements quality could further be enhanced. This opens new applications for precise gravimetry like the establishment of reference networks for monitoring global change processes where uncertainties of a few 10 nm s−2 are of high value. The results and experiences from two extensive field campaigns using an A-10 gravimeter are presented.
Note: The mention of any commercial products and company names is for information only, and does not constitute an endorsement by BKG. FG5 and A-10 are trademarks of Micro-g LaCoste Inc., CG5 is a trademark of SCINTREX Ltd. and WEO100 is a trademark of Winters Electrooptics Inc.
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Acknowledgments
The project “GOCE-GRAND II” was supported within the framework of the GEOTECHNOLOGIEN program of the German Bundesministerium für Bildung und Forschung (BMBF), Grant: 03F0422A. The helpful comments of an anonymous reviewer are gratefully acknowledged.
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© 2012 Springer-Verlag Berlin Heidelberg
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Falk, R., Müller, J., Lux, N., Wilmes, H., Wziontek, H. (2012). Precise Gravimetric Surveys with the Field Absolute Gravimeter A-10. In: Kenyon, S., Pacino, M., Marti, U. (eds) Geodesy for Planet Earth. International Association of Geodesy Symposia, vol 136. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-20338-1_33
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DOI: https://doi.org/10.1007/978-3-642-20338-1_33
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