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See detailGravity Changes due to Continental Water Storage
van Dam, Tonie UL; Wahr, John M.; Milly, P. Chris D. et al

in Journal of the Geodetic Society of Japan (2001), 47(1), 249-254

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 ... [more ▼]

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. [less ▲]

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See detailBeyond Tides - Determination of Core Properties from Superconducting Gravimeter Observations
Smylie, Douglas E.; Francis, Olivier UL; Merriam, James B.

in Journal of the Geodetic Society of Japan (2001), 47(1), 364-372

Detailed reference viewed: 40 (1 UL)