Article (Scientific journals)
Gravity Changes due to Continental Water Storage
van Dam, Tonie; Wahr, John M.; Milly, P. Chris D. et al.
2001In Journal of the Geodetic Society of Japan, 47 (1), p. 249-254
Peer reviewed
 

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Keywords :
environmental loading; gravity changes
Abstract :
[en] Five years of global continental water storage variations are used to predict the effects of long-wavelength, long-period variability in water storage on gravity observations. At the sites of existing superconducting gravimeters, the modeled gravity changes have root-mean-square (RMS) values of as much as 7 mu Gals, with ranges of up to 22 mu Gals. Variations much larger than these values can be found over large regions the globe. We find that the gravity effects are predominantly annual in character. We also find that the modeled responses to water loading exhibit long-period variations that could be mistaken for secular tectonic trends when observed over a time span of a few years.
Disciplines :
Earth sciences & physical geography
Physics
Identifiers :
UNILU:UL-ARTICLE-2008-843
Author, co-author :
van Dam, Tonie ;  European Center for Geodynamics and Seismology and The Luxembourg National Museum of Natural History, Walferdange, Luxembourg
Wahr, John M.;  Department of Physics and CIRES, University of Colorado, Boulder, Colorado
Milly, P. Chris D.;  U.S. Geological Survey and GFDL/NOAA, Princeton, New Jersey
Francis, Olivier  ;  Institut Superieur de Technologie, Luxembourg
Language :
English
Title :
Gravity Changes due to Continental Water Storage
Publication date :
2001
Journal title :
Journal of the Geodetic Society of Japan
ISSN :
0038-0830
Publisher :
The Geodetic Society of Japan, Japan
Volume :
47
Issue :
1
Pages :
249-254
Peer reviewed :
Peer reviewed
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since 25 April 2013

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