MULTISCALE GRAVITY ANOMALY ESTIMATION FROM AIRBORNE GRAVIMETRY DATA USING l_2 AND MINIMAX OPTIMIZATION

摘要

The paper deals with the problem of the gravity field determination from airborne gravity survey data and high-resolution Earth's global gravity field model data (e.g. EGM2008).The developed methodology of the gravity field determination is discussed. The methodology uses the spherical wavelet expansion technique to represent gravity data. Two different data combination algorithms (l_2 and minimax optimization) are discussed. Results of an airborne survey and EGM2008 data processing are presented.