Comparison of two methods for calculating tidal loads

被引:5
|
作者
Vinogradova, O. Yu. [1 ]
Spiridonov, E. A. [1 ]
机构
[1] Russian Acad Sci, Schmidt Inst Phys Earth, Moscow 123995, Russia
关键词
MODELS;
D O I
10.1134/S1069351313010163
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
The spherical harmonic expansion up to order n = 1440 of the oceanic tidal heights is derived for the waves of the CSR3.0 model. On the basis of the load Love numbers for the PREM model, the oceanic load effect in gravity is calculated. It is shown that the results provided by the spherical expansion technique and the method utilizing the Green's function satisfactorily agree even at the order of the expansion n = 720. The obtained model predictions are compared to the oceanic load effect measured by the Global Geodynamics Project (GGP) network of superconducting gravimeters.
引用
收藏
页码:83 / 92
页数:10
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