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学科主题: Multidisciplinary Sciences
题名: The application of large volume airgun sources to the onshore-offshore seismic surveys: implication of the experimental results in northern South China Sea
作者: Qiu, XL ; Chen, Y ; Zhu, RX ; Xu, HL ; Shi, XB ; Ye, CM ; Zhao, MH ; Xia, SH
通讯作者: xlqiu@scsio.ac.cn
关键词: airgun source ; seismic station ; onshore-offshore seismic survey ; crustal structure ; northern South China Sea
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2007
卷: 52, 期:4, 页:553-560
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanol, CAS Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; China Earthquake Adm, Inst Geophys, Beijing 100081, Peoples R China; Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China; Earthquake Adm Guangdong Prov, Guangzhou 510070, Guangdong, Peoples R China
项目归属: 海洋地质
摘要: Onshore-offshore seismic experiments were carried out for the first time in northern South China Sea using large volume airgun sources at sea and seismic stations on land. The experimental results indicate that seismic signals from the new airgun array of RN Shiyan 2 can be detected as far as 255 km. The signal effective area reaches nearly 50000 km(2), which covers Hong Kong and Pearl River Delta. Compared with the old airgun array, the signal amplitude, propagation distance and effective area of the new airgun array have been increased notably, which demonstrates that the upgrade of the airgun source was successful. Comparisons with previous experimental results in other regions show that the shooting effect of the new airgun array is similar to those best airgun sources in the world. Especially, it is a new breakthrough in using the permanent seismic stations onshore to record long distance airgun signals offshore, which has great significance to the realization of the "seismic radar" concept and the 3D seismic surveys of crustal structure in coastal areas.
原文出处: 查看原文
WOS记录号: WOS:000245837700019
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4494
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Qiu, XL; Chen, Y; Zhu, RX; Xu, HL; Shi, XB; Ye, CM; Zhao, MH; Xia, SH.The application of large volume airgun sources to the onshore-offshore seismic surveys: implication of the experimental results in northern South China Sea,CHINESE SCIENCE BULLETIN,2007,52(4):553-560
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