Monthly gravity field solution from GRACE range measurements using modified short arc approach

被引：0

作者：

Shen Yunzhong ^{[1
]}

Chen Qiujie ^{[1
,2
,3
]}

Xu Houze ^{[4
]}

机构：

[1] College of Surveying and Geo-Informatics,Tongji University

[2] Center for Spatial Information Science and Sustainable Development

[3] Department of Land Surveying and Geo-Informatics,Hong Kong Polytechnic University

[4] State Key Laboratory of Geodesy and Earth's Dynamics,Institute of Geodesy and Geophysics,Chinese Academy of Sciences

来源：

Geodesy and Geodynamics | 2015年 / 04期

基金：

中国国家自然科学基金;

关键词：

Satellite geodesy; Gravity field model; Time-variable gravity field; Gravity satellite; Gravity Recovery and Climate; Experiment(GRACE); Short arc approach; Range data; Mass change; Tongji-GRACE01;

D O I：

暂无

中图分类号：

P223 [物理大地测量、重力测量与地球形状的测定];

学科分类号：

081601 ;

摘要：

In this paper we present a series of monthly gravity field solutions from Gravity Recovery and Climate Experiment（GRACE） range measurements using modified short arc approach,in which the ambiguity of range measurements is eliminated via differentiating two adjacent range measurements.The data used for developing our monthly gravity field model are same as Tongji-GRACEOl model except that the range measurements are used to replace the range rate measurements,and our model is truncated to degree and order 60,spanning Jan.2004 to Dec.2010 also same as Tongji-GRACE01 model.Based on the comparison results of the C;,C;,S;,and C;,S;,time series and the global mass change signals as well as the mass change time series in Amazon area of our model with those of Tongji-GRACE01 model,we can conclude that our monthly gravity field model is comparable with Tongji-GRACE01 monthly model.

引用

页码：261 / 266

页数：6

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