摘要
基于单层位理论,利用动态大地测量基本方程,选取Bjerhammar虚拟球作球近似,同时将地面观测数据δgt(重复重力)和δHt(重复水准)等解析延拓至Bjerhammar球面上,得到求解地壳内部密度时间变化及相关重力位场时间变化的一组公式。
On the basis of single layer potential theory, using the basic equation of dynamic geodesy and selecting the Bjerhammar fictitious sphere as approximation, while the repeated observations δg t (gravity) and δH t (leveling) are analytically continuated to the Bjerhammar sphere. Finally, a set of formulae for solving the time variations of crust density and related gravity and its potential are derived, and the iteration method of solution is given .
出处
《地壳形变与地震》
CSCD
1996年第3期14-21,共8页
Crustal Deformation and Earthquake
基金
地震科学联合基金
关键词
地壳密度
联合反演
重力
地壳形变
crust density,combined inversion,gravity,crustal deformation.