![]() ![]() In a rough topographic area in Colorado, we computed a set of gravimetric geoid models based on different combination modes of satellite gravity models, terrestrial and airborne gravity data using the spectral combination method. ![]() One way out is to use high-quality and well-distributed satellite and airborne gravity data to fill the gravity data gaps thus, the proper combination of heterogeneous gravity datasets is critical. Constructing a high-precision and high-resolution gravimetric geoid model in the mountainous area is a quite challenging task because of the lack of terrestrial gravity observations, rough topography and the geological complexity. ![]()
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