A High-Resolution Earth’s Gravity Field Model SGG-UGM-2 from GOCE,GRACE,Satellite Altimetry,and EGM2

• 作 者: Wei Liang Jiancheng Li Xinyu X
• 机 构: SchoolofGeodesyandGeomatics,KeyLaboratoryofGeospaceEnvironmentandGeodesy,SchoolofResourcesandCivilEn
• 出 处: 工程(英文)
• 发表日期: 2020年8期
• 关键词: Gravity field model GOCE GRACE Satellite altimetry Block-diagonal least-squares
• 基金项目: We appreciate the help from Torsten Mayer-Gürr and Andreas Kvas for providing us the NEQ system of the ITSG-Grace2018 model.This research was financially supported by the National Natural Science

This paper focuses on estimating a new high-resolution Earth’s gravity field model named SGG-UGM-2 from satellite gravimetry,satellite altimetry,and Earth Gravitational Model 2008(EGM2008)-derived gravity data based on the theory of the ellipsoidal harmon