| Surface deformation and gravity changes caused by dilatancy in a layered elastic-vis-coelastic half space |
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| 引用本文： | 王勇,许厚泽. Surface deformation and gravity changes caused by dilatancy in a layered elastic-vis-coelastic half space[J]. 地震学报(英文版), 1997, 10(4): 501-506. DOI: 10.1007/s11589-997-0059-2 |
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| 作者姓名： | 王勇 许厚泽 |
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| 作者单位： | YONG WANG HOUTSE HSU Institute of Geodesy and Geophysics，Chinese Academy of Sciences，Wuhan 430077，China |
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| 摘 要： | Ｓｕｒｆａｃｅｄｅｆｏｒｍａｔｉｏｎａｎｄｇｒａｖｉｔｙｃｈａｎｇｅｓｃａｕｓｅｄｂｙｄｉｌａｔａｎｃｙｉｎａｌａｙｅｒｅｄｅｌａｓｔｉｃ┐ｖｉｓ┐ｃｏｅｌａｓｔｉｃｈａｌｆｓｐａｃｅＹＯＮＧＷＡＮＧ（王勇）ＨＯＵＴＳＥＨＳＵ（许厚泽）Ｉｎｓｔｉｔ...
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| 收稿时间： | 1995-08-03 |
| 修稿时间： | 1997-03-24 |
Surface deformation and gravity changes caused by dilatancy in a layered elastic viscoelastic half space |
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| YONG WANG HOUTSE HSU Institute of Geodesy and Geophysics,Chinese Academy of Sciences,Wuhan ,China. Surface deformation and gravity changes caused by dilatancy in a layered elastic viscoelastic half space[J]. Acta Seismologica Sinica(English Edition), 1997, 10(4): 501-506. DOI: 10.1007/s11589-997-0059-2 |
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| Authors: | YONG WANG HOUTSE HSU Institute of Geodesy Geophysics Chinese Academy of Sciences Wuhan China |
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| Affiliation: | (1) Institute of Geodesy and Geophysics, Chinese Academy of Sciences, 430077 Wuhan, China |
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| Abstract: | Surface deformation and gravity changes caused by dilatancy with magmatic intrusion (Mogi model) in two elastic layers overlying a Maxwell viscoelastic half space were systematically studied. We focused on the numerical calculation technique and the discussion of the effects of rheological properties of Maxwell half spqce on vertical displacements and gravity changes. The results show that the rheological properties of materials has an apparent effect on the results, when the intrusion was placed under Moho discontinuity, and has smaller effect if the intrusion was placed inside the crust. Therefore the elastic model is valid for considering the gravity changes or deformation caused by dilatancy with magmatic intrusion within the crust. The model and numerical calculation technique in this study can be used to model and interpret the long term deformation and gravity observations in volcanic, seismic and geothermal regions. |
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| Keywords: | gravity change crustal deformation dilatancy viscoelasticity |
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