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| 引用本文： | 杨强,党亚民. ��ظ�ԭ�ؿǴ���-����ת����ֲ��о�[J]. 大地测量与地球动力学, 2010, 30(4): 79-82 |
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| 作者姓名： | 杨强 党亚民 |
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| 作者单位： | 1. 武汉大学测绘学院,武汉,430079;中国测绘科学研究院大地测量与地球动力学研究所,北京,100039
2. 武汉大学测绘学院,武汉,430079;中国测绘科学研究院大地测量与地球动力学研究所,北京,100039;山东科技大学,青岛,266510 |
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| 基金项目： | 国家高技术研究发展计划，国家自然科学基金 |
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| 摘 要： | ???????????????????????????????????????????????????????????????????Crust2.0??????????????????????????????????????????????档??????????????????????????-????????????λ???е?????????20~35 km???????????????????????????????????10 19~10 22 Pas???????450~600 ?档
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| 关 键 词： | ??????? ?????? ????-????????? ???? ????? |
RESEARCH ON BRITTLE-DUCTILE TRANSITION PLANE OF CRUST OF TIBETAN PLATEAU |
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| Yang Qiang,Dang Yamin. RESEARCH ON BRITTLE-DUCTILE TRANSITION PLANE OF CRUST OF TIBETAN PLATEAU[J]. Journal of Geodesy and Geodynamics, 2010, 30(4): 79-82 |
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| Authors: | Yang Qiang Dang Yamin |
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| Affiliation: | 1)School of Geodesy and Geomatics, Wuhan University, Wuhan 4300792)Institute of Geodesy and Geodynamic, Chinese Academy of Surveying and Mapping, Beijing 1000393)Shandong University of Science and Technology, Qingdao 266510 |
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| Abstract: | The crust of the Tibetan plateau and its adjacent area is divided into two layers: the elastic brittle layer and the viscoelastic ductile layer, and then the interior temperature field of the crust by steady heat conductive equation is evaluated.Further, under the condition that fracture intensity is equal to creeping intensity, brittle ductile transition plane is obtained by use of Crust2.0 earth model. The results show that brittle ductile transition plane locates in middle crust about 20-35 km depth generally. The thicker the crust is, the deeper the transition floor is. Effective viscosity of transition plane located in Tibetan plateau is between 10 19-10 22 Pas, temperature field is between 450-600℃. |
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| Keywords: | fracture intensity creeping intensity brittle-ductile transition plane temperature field strain rate |
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