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热带海洋学报 ›› 2009, Vol. 28 ›› Issue (4): 54-58.doi: 10.11978/j.issn.1009-5470.2009.04.054cstr: 32234.14.j.issn.1009-5470.2009.04.054

• 海洋调查与观测 • 上一篇    下一篇

南海北部海盆三分量磁测结果分析

赵俊峰   

  1. 1.同济大学海洋与地球科学学院，上海，200092；2.中国科学院边缘海地质重点实验室，广东 广州 510301

  • 收稿日期:2008-12-05 修回日期:2009-02-13 出版日期:2009-08-08 发布日期:2010-02-05
  • 通讯作者: 赵俊峰

ZHAO Jun-feng1,2   

  1. 1. Dept. of Marine & Geophysics, Tongji University, Shanghai 200092, China；
    2. CAS Key Laboratory of the Marginal Sea Geology, 510301, China
  • Received:2008-12-05 Revised:2009-02-13 Online:2009-08-08 Published:2010-02-05

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被引次数

10 | 5

摘要： 1994年，中日双方合作在南海北部开展了海洋三分量磁测实验工作，采用日本东京大学地震研究所新研制的船载三分量磁力仪（Shipboard Three Component Magnetmeter，STCM）在南海北部海盆成功获得了6条共约2 500km的三分量磁测资料。本文根据前人的研究思路实现了对实测三分量磁测资料的处理分析，改进了补偿圆滑滤波算法，首次提出了比原方法更加综合直观表示测区各种磁边界状况的磁边界走向图（Magnetic boundary strike diagram， MBSD）法，并且将处理结果与南海北部海盆已识别的磁条带及其他一些典型地质现象进行了对比分析，发现本方法所揭示出的二维及三维磁边界与南海的实际地质状况有良好的吻合关系，这表明该方法可以有效处理所采集的三分量磁测资料并对研究海底磁性构造体性质有帮助。

关键词: 磁条带, 磁条带, 船载三分量磁力仪, 船载三分量磁力仪, 磁边界走向图, 磁边界走向图

Abstract: In 1994, Sino-Japan cooperative cruise for shipboard three-component magnetic field test was carried out in northern region of the South China Sea, using new Shipboard Three Component Magnetometer (STCM) developed by the Earthquake Institute of Tokyo University. About 2 500 km (6 lines) field survey data were acquired successfully. According to the magnetic boundary strike diagram (MBSD) method proposed by Seama N et al., the author analyzes these data and points out that the MBSD method can be used to express types of magnetic boundary synthetically and visibly. The author then conducts comparative analysis on the calculated result and the verified magnetic lineation of northern South China Sea basin and finds that they agree with each other very well. That study suggests that the MBSD method is useful when dealing with STCM data and studying marine magnetic structure.

Key words: South China Sea, South China Sea, magnetic lineation, magnetic lineation, Shipboard Three Component Magnetometer (STCM), Shipboard Three Component Magnetometer (STCM), magnetic boundary strike diagram (MBSD), magnetic boundary strike diagram (MBSD)

中图分类号: 

  • P716.82