STUDY ON VARIATIONS OF GLOBAL CONTINENTAL WATER STORAGE WITH GRACE GRAVITY FIELD MODELS
Zhu Guangbin 1, 2) ; Li Jiancheng 1) ; Wen Hanjiang 2) ; and Wang Jianqiang 1)
1) School of Geodesy and Geomatics, Wuhan University, Wuhan 4300792) Chinese Academy of Surveying and Mapping, Beijing 100039
Abstract By use of the GRACE Level2 products, the variations of global continental water storage are deduced and in the deduction, the problems in the choice of Gaussian filter radius and the truncated degree are discussed. The computation results are good as with Gaussian smoothing radius of 800km and truncated till 20, and the variations of global continental water storage are in accord with those from CPC model in regional scale and seasonal scale.
Key words ：
gravity field
GRACE
variation of water storage
Gaussian filter
CPC hydrology model
Received: 01 January 1900
Corresponding Authors:
Zhu Guangbin
Cite this article:
Zhu Guangbin,Li Jiancheng ,Wen Hanjiang et al. STUDY ON VARIATIONS OF GLOBAL CONTINENTAL WATER STORAGE WITH GRACE GRAVITY FIELD MODELS[J]. , 2008, 28(5): 39-44.
Zhu Guangbin,Li Jiancheng ,Wen Hanjiang et al. STUDY ON VARIATIONS OF GLOBAL CONTINENTAL WATER STORAGE WITH GRACE GRAVITY FIELD MODELS[J]. jgg, 2008, 28(5): 39-44.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2008/V28/I5/39
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