Physics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.u21c0629k&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #U21C-0629
Physics
1217 Time Variable Gravity (7223, 7230), 1222 Ocean Monitoring With Geodetic Techniques (1225, 1641, 3010, 4532, 4556, 4560, 6959), 4560 Surface Waves And Tides (1222)
Scientific paper
Arctic ocean tidal solutions are not constrained by altimetry data because missions such as TOPEX/POSEIDON do not extend to high latitudes. The resulting errors in tidal models alias into the monthly GRACE gravity field solutions at all latitudes. Fortunately, it is possible to use the GRACE inter-satellite ranging data to solve for these tides directly. Five years of GRACE inter-satellite acceleration data are inverted to solve for the amplitude and phase of major solar and lunar tides in the Arctic ocean using a mascon approach. The resulting tidal amplitudes are compared to existing tidal models.
Desai Sachi
Killett Bryan
Wahr John
Watkins Michael M.
Yuan Di
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