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《Chinese Journal of Geophysics》 2013-08
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Numerical simulation study of co-seismic electromagnetic signals in porous media

ZHANG Dan1,REN Heng-Xin2,HUANG Qing-Hua1* 1 Department of Geophysics,School of Earth and Space Sciences,Peking University,Beijing 100871,China 2 School of Earth and Space Science,University of Science and Technology of China,Hefei 230026,China  
Based on the recently developed numerical method,we simulated the co-seismic electromagnetic(EM) signals in porous media.We focused on the characteristics of the co-seismic EM signals generated by a double couple point source or a finite fault planar source in the models with different structures.The effects of source time function type and peak frequency also have been investigated.The simulation results show that the waveform,amplitude and duration time of seismic-EM signals depend somehow on the model structures;the seismic waves and EM signals for different source models(a double couple point source or a finite fault planar source,source time functions,peak frequencies) also show similar characteristics in both time and frequency domains,although there are some differences for the amplitude and complexity of waveform and frequency response.
【Fund】: 科技部国际合作项目(2010DFA21570);; 国家杰出青年基金项目(41025014)资助
【CateGory Index】: P318
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【Citations】
Chinese Journal Full-text Database 3 Hits
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