Gravity Terrain Effect of the Seafloor Topography in Taiwan

Abstract

Gravity terrain correction is used to compensate for the gravitational effects of the topography residual to the Bouguer plate. The seafloor topography off the eastern offshore of Taiwan is extremely rugged, and the depth of the sea bottom could be greater than 5000 m. In order to evaluate the terrain effect caused by the seafloor topography, a modern computer algorithm is used to calculate the terrain correction based on the digital elevation model (DEM).

Keywords

• Gravity terrain correction
• Digital elevation model
• Huatung Longitudinal Valley