A. B. Watts studies how gravity, topography and mechanical support reveal planetary structure. His analysis of gravity and topography near Hawaii separated short-wavelength volcanic loading from the broad Hawaiian swell.[ref]
Gravity and bathymetry in the central Pacific Ocean by A. B. Watts. Abstract: ship/submarine gravity observations and wavelength-dependent interpretation
The distinction matters because similar surface relief can have different support at depth. Lithospheric flexure and a deeper mass density distribution contribute differently to the measured gravity anomaly, so combined observations are more informative than elevation alone.
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