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[1]WANG Weitao,WANG Baoshan,JIANG Shengmiao,et al.A Perspective Review of Seismological Investigation on the Crust at Regional Scale Using the Active Airgun Source[J].Journal of Seismological Research,2017,40(04):514-524.

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A Perspective Review of Seismological Investigation on the Crust at Regional Scale Using the Active Airgun Source

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: 40 Number of periods: 2017 04 Page number: 514-524 Column: 主动源专栏 Public date: 2017-09-20

Title:: A Perspective Review of Seismological Investigation on the Crust at Regional Scale Using the Active Airgun Source

Author(s):: WANG Weitao¹; WANG Baoshan¹; JIANG Shengmiao¹; HU Jiupeng¹; ZHANG Yuansheng²; (1.Key Laboratory of Seismic Observation and Geophysical Imaging,Institute of Geophysics,China Earthquake Administration,Beijing 100081,China)(2.Lanzhou Institute of Seismology,China Earthquake Administration,Lanzhou 730000,GanSu,China)

Keywords:: airgun sources; crust velocity structure detection; wave velocity variation

CLC:: P315.3

DOI:: -

Abstract:: The application of airgun source in the shallow exploration of the continent is more and more widely. Firstly,we described the excitation characteristics of large volume airgun source in the land water are,and analyzed the transform of excitation mode,excitation environment and detection method of the excitation from marine airgun source to in on-land water bodies. Secondly,we briefly introduced the application of airgun source in detecting the shallow velocity structure of the continent and monitoring the elastic wave velocity variation with time. Finally,we briefly described the potential applications and challenges of airgun source in seismology are. The practice proves that the airgun source excited in on-land water bodies is a kind of green,environmental protection and efficient artificial repetition source. The excited signal of airgun source can be applied to the regional crustal structural imaging,and can partly replace the traditional explosive source. Meanwhile,the highly repetitive signals exited by it can be used to monitor the elastic wave velocity variation,and the detecting precision reached 10^-4. Overall,the airgun source is a new and developing source,and it is necessary to study its source characteristics and signal processing technology to extend its application in seismology.

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Last Update: 2017-09-20