| 琉球沟弧盆系莫氏面深度的三维广义反演 |
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| 引用本文： | 刘保华,李学伦.琉球沟弧盆系莫氏面深度的三维广义反演[J].海洋地质与第四纪地质,1997,17(1):53-58. |
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| 作者姓名： | 刘保华 李学伦 |
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| 作者单位： | 青岛海洋大学 |
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| 摘 要： | 本文利用三维广义反演技术对重力资料进行反演，计算出了琉球沟弧盆系地区的莫氏面深度。由于考虑了分辨率和方差之间的最佳折衷问题，反演结果不论是在精度上还是在分辨能力方面都有了明显改进。分析结果也表明，重力反演得到的莫氏面深度同李昭兴等人用地震折射波法得到的莫氏面深度有较大的差别。文中地产生这种差别的可能原因提出了自己的见解。
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| 关 键 词： | 琉球沟弧盆系 莫氏面深度 三维广义反演 盆地 |
A 3 D GENERALIZED INVERSION FOR THE MOHO DEPTH IN THE REGION OF RYUKYU TRENCH ARC BASIN SYSTEM |
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| Liu,Baohua,Li Xuelun,Li Guiqun.A 3 D GENERALIZED INVERSION FOR THE MOHO DEPTH IN THE REGION OF RYUKYU TRENCH ARC BASIN SYSTEM[J].Marine Geology & Quaternary Geology,1997,17(1):53-58. |
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| Authors: | Liu Baohua Li Xuelun Li Guiqun |
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| Abstract: | In this paper,the Moho depth in the region of the Ryukyu trench arc basin system was calculated using the technology of a 3 D generalized inversion.Because the optimum trade off estimated between the resolution and errors was considered in the calculation,the results have been improved in the aspects of both precision and resolution.But when analysing the results,we found that the Moho depth got by inverting gravity data was much greater than that got by interpreting seismic refraction data.We also introduced our idea to explain the possible reason. |
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| Keywords: | Ryukyu trench arc basin system Moho depth 3 D generalized inversion |
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