The topographic bias in gravimetric geoid determination revisited
نویسندگان
چکیده
منابع مشابه
Gravimetric Geoid Determination by Using Terrestrial and Satellite-derived Data
Being a fundamental vertical reference surface, the use of the geoid is not limited to geodesy/geodetic applications. It is also used, but not limited to, in geophysics (i.e. interpretation of the Earth’s internal structure, solid earth science), geology (i.e. subsurface delineation), oceanography, and mapping/geographic information systems (GIS)/national spatial development infrastructure (NSD...
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The need for a new vertical datum in Canada dates back to 1976 when a study group at the Geodetic Survey Division (GSD) of Natural Resources Canada investigated problems related to the existing vertical reference system (CGVD28) and recommended a redefinition of the vertical datum. The US National Geodetic Survey and GSD cooperated in the development of a new North American Vertical Datum (NAVD...
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Gravimetric geoid computation is often based on modified Stokes’s integration, where Stokes’s integral is evaluated with some stochastic or deterministic kernel modification. Accurate numerical evaluation of Stokes’s integral requires the modified kernel to be integrated across the area of each discretised grid cell (mean kernel). Evaluating the modified kernel at the centre of the cell (point ...
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ژورنال
عنوان ژورنال: Journal of Geodetic Science
سال: 2019
ISSN: 2081-9943
DOI: 10.1515/jogs-2019-0007