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《Journal of Jiling University (Earth Science Edition)》 2005-01
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Investigation of the Low-Depression Velocity Layer in Desert Areaby Multichannel Analysis of Surface-Wave Method

CHENG Suo~(1), TIAN Gang~(1), XIA Jiang-hai~(2), HE Hai-yuan~(3), SHI Zhan-jie~(1)(1.College of GeoExploration Science and Technology,Jilin University,Changchun 130026,China;2.Kansas Geological Survey, Lawrence, KS 66047, USA;3.The 4~(th) Geophysical Investigation Team of North China Oil Bureau, SINOPEC, Xinxiang 453000,China)  
We present here a case study of investigating the low-depression velocity in Temple of North Taba Area in Erdos Basin. The MASW method successfully defined the low-depression velocity layer in the desert area. Comparing results obtained by the MASW method with results by refraction seismic method, we discussed efficiency and simplicity of applying the MASW method in the desert area. It is proved that the maximum investigation depth can reach 60m in the area when the acquisition and procession parameters are carefully chosen. The MASW method can remedy the incompetence of the refraction method and the micro-seismograph log method in low-depression velocity layer’s investigation.The MASW method is also a powerful tool in investigation of near-surface complicated materials and possesses many unique advantages.
【Fund】: 中石化新星公司科技合作项目(XYK2003-13-1)
【CateGory Index】: P631.4
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