海底地震仪的性能对比及在渤海试验中的应用
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摘要
2010年3月,国家海洋局第一海洋研究所在渤海海域开展了深部地震探测试验,试验过程中使用了3种海底地震仪(OBS),包括德国的SEDISⅥ型OBS、法国的Micr OBS和中国的I-7C型OBS共计51台。文章详细描述并比较了以上3种OBS的性能指标,通过对比发现:I-7C型OBS的耦合技术比其他两种OBS更加完善,功耗和数据存储容量方面优势明显;I-7C型OBS和Micr OBS在设置参数和充电时,操作方便,提升了海上工作效率;Micr OBS的水听器性能略有优势,获取的数据清晰度高,连续性好;SEDIS VI型OBS的垂直分量数据在三者之间最优。本文提出了OBS的发展趋势:(1)小型化、便携式;(2)低功耗、大容量;(3)长周期、宽频带;(4)低成本,易回收。最后简要介绍了本次海上试验过程、数据处理方法以及探测试验取得的成果。本次试验成功取得了渤海海域深部地球物理数据,对开展该区域内的深部地质研究具有重要的意义。
In March 2010, the First Institute of Oceanography, State Oceanic Administration(SOA) has launched a deep seismic detection test in the Bohai Sea, using three types of 51 ocean bottom seismometers(OBSs) including SEDIS VI OBS, Micr OBS and I-7C OBS made in Germany, France and China, respectively. It was found through comparison that: OBS made in China is better than the other two OBSs in coupling technology, power consumption and data storage capacity; I-7C OBS and Micr OBS are very easy to operate and express high efficiency in the sea when setting parameters and charging; The hydrophone of Micr OBS is advancing and able to obtain data of high definition and continuity; SEDIS VI OBS has the best data collected from vertical component seismograph among the three types of OBSs. Our paper has pointed out the development trend of OBS: miniaturization, being portable, low-power consumption, high capacity, long period, broad band, low cost, and easily retrieving. The performance indexes of the three types of OBSs mentioned above were described in details and compared. The process of deep seismic detection test, data processing methods and the results achieved are described briefly.
In March 2010, the First Institute of Oceanography, State Oceanic Administration(SOA) has launched a deep seismic detection test in the Bohai Sea, using three types of 51 ocean bottom seismometers(OBSs) including SEDIS VI OBS, Micr OBS and I-7C OBS made in Germany, France and China, respectively. It was found through comparison that: OBS made in China is better than the other two OBSs in coupling technology, power consumption and data storage capacity; I-7C OBS and Micr OBS are very easy to operate and express high efficiency in the sea when setting parameters and charging; The hydrophone of Micr OBS is advancing and able to obtain data of high definition and continuity; SEDIS VI OBS has the best data collected from vertical component seismograph among the three types of OBSs. Our paper has pointed out the development trend of OBS: miniaturization, being portable, low-power consumption, high capacity, long period, broad band, low cost, and easily retrieving. The performance indexes of the three types of OBSs mentioned above were described in details and compared. The process of deep seismic detection test, data processing methods and the results achieved are described briefly.
引文
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[6]郝天珧,游庆瑜.国产海底地震仪研制现状及其在海底结构探测中的应用[J].地球物理学报,2011,54(12):3352-3361.
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[10]支鹏遥.主动源OBS探测及地壳结构成像研究—以渤海2010测线为例[D].青岛:中国海洋大学,2012.
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[12]支鹏遥,刘保华,刘晨光,等.渤海海底地震仪探测试验及初步成果[J].地球科学进展,2012,27(7):769-777.
[13]李江,庄灿涛,薛兵,等.宽频带海底地震仪的研制[J].地震学报,2010,32(5):610-618.
[14]游庆瑜,刘福田,冉崇荣,等.高频微功耗海底地震仪研制[J].地球物理学进展,2003,18(1):173-176.
[15]李湘云,吴振利,薛彬,等.SEDISⅣ型短周期自浮式海底地震仪及应用体会[J].热带海洋学报,2007,26(5):35-39.
[16]阮爱国,李家彪,陈永顺,等.国产I-4C型OBS在西南印度洋中脊的试验[J].地球物理学报,2010,53(4):1015-1018.
[17]阎贫,刘昭蜀,姜绍仁.东沙群岛海域的折射地震探测[J].海洋地质与第四纪地质,1996,16(4):19-24.
[18]薛彬,阮爱国,李湘云,等.SEDIS IV型短周期自浮式海底地震仪数据校正方法[J].海洋学研究,2008,26(2):98-102.
[2]Forsyth D,Detrick B.Ocean Mantle Dynamics Science Plan[R].USA:Woods Hole Oceanographic Institution,USA,2000.
[3]卢振恒.日本海底地震观测现状与进展[J].地震学刊,1999,4:54-63.
[4]Chen A T.海底地震仪:仪器及其实验技术[J].地质科学译丛,1995,12(1):75-78.
[5]阮爱国,李家彪,冯占英,等.海底地震仪及其国内外发展现状[J].东海海洋,2004,22(2):19-27.
[6]郝天珧,游庆瑜.国产海底地震仪研制现状及其在海底结构探测中的应用[J].地球物理学报,2011,54(12):3352-3361.
[7]赵明辉,丘学林,夏少红,等.大容量气枪震源及其波形特征[J].地球物理学报,2008,51(2):558-565.
[8]赵明辉,丘学林,夏少红,等.南海东北部三分量海底地震仪记录中横波的识别和分析[J].自然科学进展,2007,17(11):1516-1523.
[9]丘学林,赵明辉,叶春明,等.南海东北部海陆联测与海底地震仪探测[J].大地构造与成矿学,2003,27(4):295300.
[10]支鹏遥.主动源OBS探测及地壳结构成像研究—以渤海2010测线为例[D].青岛:中国海洋大学,2012.
[11]崔培,王纪会,李彪.海底地震仪的优化设计[J].舰船科学技术,2009,31(10):96-99.
[12]支鹏遥,刘保华,刘晨光,等.渤海海底地震仪探测试验及初步成果[J].地球科学进展,2012,27(7):769-777.
[13]李江,庄灿涛,薛兵,等.宽频带海底地震仪的研制[J].地震学报,2010,32(5):610-618.
[14]游庆瑜,刘福田,冉崇荣,等.高频微功耗海底地震仪研制[J].地球物理学进展,2003,18(1):173-176.
[15]李湘云,吴振利,薛彬,等.SEDISⅣ型短周期自浮式海底地震仪及应用体会[J].热带海洋学报,2007,26(5):35-39.
[16]阮爱国,李家彪,陈永顺,等.国产I-4C型OBS在西南印度洋中脊的试验[J].地球物理学报,2010,53(4):1015-1018.
[17]阎贫,刘昭蜀,姜绍仁.东沙群岛海域的折射地震探测[J].海洋地质与第四纪地质,1996,16(4):19-24.
[18]薛彬,阮爱国,李湘云,等.SEDIS IV型短周期自浮式海底地震仪数据校正方法[J].海洋学研究,2008,26(2):98-102.
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