Abstract:Altimeter gravity anomalies, geoid and vertical deflection are used to calculate oceanic vertical gravity gradient anomalies. The correlation between the gravity gradient anomalies and bathymetry is analyzed. Taking islands in Midwest Pacific Ocean as examples, the bathymetry model is inversed in 20~200 km wavelength; results show that the relative precision of the bathymetry model is 714%. In seamount distributed areas, the relative precision is lower.
OUYANG Mingda,SUN Zhongmiao,ZHAI Zhenhe et al. The Calculation of Vertical Gravity Gradient Anomalies and Its Application in Bathymetry Inversion[J]. jgg, 2016, 36(9): 766-769.