Calculation of gravitational terrain effects using robust, adaptive and exact algorithms
W Szwillus, N Koether… - AGU Fall Meeting …, 2012 - ui.adsabs.harvard.edu
An exact calculation of gravitational topographic effect is crucial for computation of
gravitational anomaly. Several algorithms were developed in the past for this purpose. Most
of them use fixed resolution of topography dependent on the distance to the station (eg
Hammer zones). Furthermore, the calculation is limited to a fixed distance (eg 1, 5 or 167
km). These assumptions are questionable and such approximations can lead to large errors,
especially in areas of rugged terrain or coastal regions. In the present study, we developed …
gravitational anomaly. Several algorithms were developed in the past for this purpose. Most
of them use fixed resolution of topography dependent on the distance to the station (eg
Hammer zones). Furthermore, the calculation is limited to a fixed distance (eg 1, 5 or 167
km). These assumptions are questionable and such approximations can lead to large errors,
especially in areas of rugged terrain or coastal regions. In the present study, we developed …
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