A new monthly gravity field model based on GRACE observations computed by the modified dynamic approach

Hao Zhou1, Zhicai Luo1, Qiong LI1 and Bo Zhong2, (1)MOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, Wuhan, China, (2)School of Geodesy and Geomatics, Wuhan University, Wuhan, China