Constraints on Mars' crustal structure from correlations of gravity and areoid with topography
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Engineering topics
Publications and source records attributed to Yuan, D..
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We used comparisons of gravity and geoid with topography in the spatial and spectral domains, together with additional information from the geologic record, to constrain support mechanisms for loads on the surface of Mars and their implications for the planet's crustal and lithospheric properties and evolution.
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Global ionospheric mapping (GIM) is a new, emerging technique for determining global ionospheric TEC (total electron content) based on measurements from a worldwide network of Global Positioning System (GPS) receivers.
TOPEX/Poseidon(T/P) is a joint altimetric mission of U.S. NASA and French CNES design launched August 10, 1992. There are a variety of tracking systems on T/P for both operational and precise orbit determination.