Other
Scientific paper
Nov 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3421607h&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 21, CiteID L21607
Other
11
Geodesy And Gravity: Satellite Geodesy: Technical Issues (6994, 7969), Geodesy And Gravity: Satellite Geodesy: Results (6929, 7215, 7230, 7240), Geodesy And Gravity: Geopotential Theory And Determination (0903), Geodesy And Gravity: Time Variable Gravity (7223, 7230), Geodesy And Gravity: Ocean/Earth/Atmosphere/Hydrosphere/Cryosphere Interactions (0762, 1218, 3319, 4550)
Scientific paper
Long-wavelength components of the oceanic tides surrounding Antarctica are estimated directly from three years of GRACE satellite-to-satellite ranging measurements. An inversion is performed for the major constituents M2, O1, and S2, with K1 excluded because of inadequate phase sampling. The tides are parameterized as localized average mass anomalies over areas approximately 3002 km2; other parameters, including satellite state adjustments, are estimated simultaneously with the tides. Qualitative comparison of our solutions with in situ tide measurements shows agreement in spatial pattern, clearly indicating regions where our adopted prior model is inadequate. To exploit these solutions, follow-on work must assimilate these long-wavelength components into a high-resolution numerical tidal model.
Han Shin-Chan
Luthcke Scott B.
Ray Richard D.
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