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The application of large volume airgun sources to the onshore-offshore seismic surveys: implication of the experimental results in northern South China Sea
Qiu, XL; Chen, Y; Zhu, RX; Xu, HL; Shi, XB; Ye, CM; Zhao, MH; Xia, SH; xlqiu@scsio.ac.cn
2007
发表期刊CHINESE SCIENCE BULLETIN
ISSN1001-6538
卷号52期号:4页码:553-560
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.
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
关键词Airgun Source Seismic Station Onshore-offshore Seismic Survey Crustal Structure Northern South China Sea
学科领域Multidisciplinary Sciences
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000245837700019
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4494
专题中科院边缘海地质重点实验室
通讯作者xlqiu@scsio.ac.cn
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GB/T 7714
Qiu, XL,Chen, Y,Zhu, RX,et al. The application of large volume airgun sources to the onshore-offshore seismic surveys: implication of the experimental results in northern South China Sea[J]. CHINESE SCIENCE BULLETIN,2007,52(4):553-560.
APA Qiu, XL.,Chen, Y.,Zhu, RX.,Xu, HL.,Shi, XB.,...&xlqiu@scsio.ac.cn.(2007).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,52(4),553-560.
MLA Qiu, XL,et al."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 52.4(2007):553-560.
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