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DIURNAL BODY TIDES OF AN EARTH WITH A FLUID CORE

JIANG XIAN-HUA Li RUI-HAO(Institute of Seismology, State Seismological Bureau, Wuhan)  
Precise observations of the Earth tides have confirmed that the diurnal tidal Love numbers iare.frequency-dependent.This can be explained by the liquid-core dynamical theory.The purpose of this paper is to numerically study the dynamical effects of a elliptically stratified And rotating fluid core upon the diurnal Earth tides In our model two toroisalmodes and one spheroidal mode are included to expreses displacement in the liquid core.Moreover,the Adamas Williamson condition which is necessary in MoIodensky theory is not assumed.We have obtained the diurnal tidal Love numbers for 1066-A earth model by solving the boundary value problem.Comparision with Molodensky model 1 shows that the agreement is quite good except wave ψ1,which probably results from the difference between resonant frequencies.
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