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Numerical modeling of 3-D terrain effect on MT field

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【Author】 XU Shizhe , RUAN Baiyao, ZHOU HuiCHEN Leshou and XU Shiwen(Institute of Geology and Geophysics, Ocean University of Qingdao, Qingdao 266003, China) Geological University of China, Beijing 100083, China. The 6th Geophysical Prospecting Team of Ministry of Geology and Mineral Resources, Nanjing 200031, China.

【机构】 Institute of Geology and Geophysics； Ocean University of Qingdao； Qingdao 266003； China； Geological University of China； Beijing 100083； The 6th Geophysical Prospecting Team of Ministry of Geology and Mineral Resources； Nanjing 200031； China；

【摘要】 <正> Using the boundary element method, the numerical modeling problem of three-dimensional terrain effect on magnetotelluric (MT) field is solved. This modeling technique can be run on PC in the case of adopting special net division. The result of modeling test for 2-D terrain by this modeling technique is basically coincident with that by 2-D modeling technique, but there is a great difference between the results of 3-D and 2-D modeling for 3-D terrain.更多还原

【Abstract】 Using the boundary element method, the numerical modeling problem of three-dimensional terrain effect on magnetotelluric (MT) field is solved. This modeling technique can be run on PC in the case of adopting special net division. The result of modeling test for 2-D terrain by this modeling technique is basically coincident with that by 2-D modeling technique, but there is a great difference between the results of 3-D and 2-D modeling for 3-D terrain.更多还原

【关键词】 MT； 3-D terrain； numerical modeling； boundary element method；
【Key words】 MT； 3-D terrain； numerical modeling； boundary element method；

【基金】 Project supported by the National Natural Science Foundation of China

【文献出处】 Science in China(Series D:Earth Sciences) ,中国科学(D辑:地球科学)(英文版) , 编辑部邮箱 ,1997年03期

【分类号】P5
【被引频次】7
【下载频次】76

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