TWO METHODS FOR DOWNWARD CONTINUATION OF SEA SURFACE GRAVITY ANOMALIES
Guo Shusong 1,2) ;Zhang Zizhan 1,2) ; and Lu Yang 1)
1)Institute of Geodesy and Geophysics，CAS, Wuhan 4300772)Graduate School of the Chinese Academy of Science, Beijing 100049
Abstract For solving the problems that downward continuation of the space gravity anomaly can not be used in downward continuation of sea surface gravity anomaly,on the basis of Prey principle used to compute gravity in the surfacelayer of the earth, and with considering the density of sea water and sea bottom topography，two new methods are proposed. The experimental results show that the new methods are valid and effective.
Key words ：
gravity anomaly of sea surface
vertical gradient of gravity anomaly
downward continuation
cylinder method
geometry method
Received: 01 January 1900
Corresponding Authors:
Guo Shusong
Cite this article:
Guo Shusong,Zhang Zizhan,and Lu Yang . TWO METHODS FOR DOWNWARD CONTINUATION OF SEA SURFACE GRAVITY ANOMALIES[J]. , 2007, 27(4): 77-81.
Guo Shusong,Zhang Zizhan,and Lu Yang . TWO METHODS FOR DOWNWARD CONTINUATION OF SEA SURFACE GRAVITY ANOMALIES[J]. jgg, 2007, 27(4): 77-81.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2007/V27/I4/77
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