| 海洋广角地震数据校正方法探讨 |
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| 引用本文： | 夏少红,敖威,赵明辉,丘学林,徐辉龙. 海洋广角地震数据校正方法探讨[J]. 海洋通报, 2011, 30(5): 487-491 |
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| 作者姓名： | 夏少红 敖威 赵明辉 丘学林 徐辉龙 |
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| 作者单位： | 中国科学院南海海洋研究所 中国科学院边缘海地质重点实验室,广东广州,510301 |
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| 基金项目： | 国家自然科学基金（U0933006, 41006028）；中国科学院南海海洋研究所青年人才领域前沿项目（SQ200911）；中国科学院优博论文、院长奖获得者科研启动资金（1731005933） |
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| 摘 要： | 海洋广角地震数据的采集具有高投入、高风险及高难度等特点,这使得从海洋上采集到的地震数据显得异常宝贵,但往往由于各种客观条件(如气候条件、定时定位条件、仪器条件及人为因素等)的限制,导致采集到的地震数据存在一些缺陷.以南海地区开展的海陆地震联测及海底地震仪(OBS)探测的试验数据为例,对导航数据时间误差、部分陆地固定台站...
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| 关 键 词： | 海洋广角地震数据 校正 海底地震仪 海陆地震数据 |
| 收稿时间： | 2010-05-11 |
| 修稿时间： | 2011-03-24 |
Corrections and analysis of wide angle seismic data from the sea |
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| XIA Shao-hong,AO Wei,ZHAO Ming-hui,QIU Xue-lin and XU Hui-long. Corrections and analysis of wide angle seismic data from the sea[J]. Marine Science Bulletin, 2011, 30(5): 487-491 |
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| Authors: | XIA Shao-hong AO Wei ZHAO Ming-hui QIU Xue-lin XU Hui-long |
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| Affiliation: | CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China;CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China;CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China;CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China;CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China |
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| Abstract: | The wide angle seismic data from the sea are very valuable because of the difficulties, costliness and risks in obtaining them. But these data could include some problems which result from weather, bad instrument, jamming, and so on. This paper analyzed and corrected the locations and time of OBSs, seismic stations and navigation data, based on our recently obtained onshore-offshore seismic data and OBS data in the northern South China Sea. We put forward different corrected methods according to different problems, and illuminated their principles. Results after corrections show that the problems existing in original data were well solved, and data after corrections could be used to study the crustal structures. This study can enlighten us to better solve diverse problems potentially existing in the wide angle seismic data from the sea. |
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| Keywords: | wide seismic data from the sea correction OBS onshore-offshore seismic data |
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