| 地表潮汐应变的理论模型 |
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| 引用本文： | 许厚泽,毛伟建,张勇.地表潮汐应变的理论模型[J].地震学报,1986,8(3):275-284. |
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| 作者姓名： | 许厚泽 毛伟建 张勇 |
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| 作者单位： | 中国科学院测量及地球物理研究所 |
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| 摘 要： | 本文的目的是建立一潮汐应变的理论模型,以供使用.模型由两方面组成,即日月引力导致的体潮应变及海洋负荷作用产生的负荷潮汐应变.前者,我们从wahr的潮汐模型出发,进行适当简化,从引潮位直接算出各应变分量,以提高计算速度;后者,我们使用了M2,S2,O1及K1四个主要海洋潮波的迭加,海图采用了Schwiderski的大洋图并顾及我国的局部潮图.
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THEORETICAL MODEL OF TIDAL STRAIN ON THE EARTH'S SURFACE |
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| Institution: | Institute of Geodesy and Geophysics, Chinese Academy of Sciences |
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| Abstract: | The purpose of this paper is to provide a theoretical model of tidat strain ror practical application. This model consists of two parts, i.e., body tidal strain as a consequence of the attraction by the sun and the moon and loading tidal strain caused by the action of ocean tides. For the former, in order to save computation time, we start from Wahr's tidal model, but make a few simplications, so that the components of strain tensor can be obtained from the tide-generating potential directly. As to the latter, the effects of four main ocean tides, i.e., M2, S2, O1, K1, are taken into consideration. The eotidal maps used are Schwiderski's global maps associated with the local maps of China Sea. |
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