| CSAMT法过渡区电磁场的特征 |
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| 引用本文： | 林威.CSAMT法过渡区电磁场的特征[J].物探与化探,2009,33(2):148-150. |
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| 作者姓名： | 林威 |
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| 作者单位： | 安徽省地球物理地球化学勘查技术院,安徽,合肥,230022 |
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| 摘 要： | 通过对卡尼亚视电阻率法频率测深曲线的分析，发现卡尼亚视电阻率与远区电场分量Ex的视电阻率曲线在过渡区出现相交的现象。对产生这种现象的物理机制进行了探讨，并提出在过渡区卡尼亚视电阻率曲线的一个改正方法。改正后的卡尼亚视电阻率曲线与实际地层电性比较吻合。
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| 关 键 词： | CSAMT法 频率测深曲线 电磁场特征 视电阻率 |
TRANSITION REGION ELECTROMAGNETIC FIELD CHARACTERISTICSOF THE CSAMT METHOD |
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| LIN Wei.TRANSITION REGION ELECTROMAGNETIC FIELD CHARACTERISTICSOF THE CSAMT METHOD[J].Geophysical and Geochemical Exploration,2009,33(2):148-150. |
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| Authors: | LIN Wei |
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| Institution: | Anhui Institute of Geophysical and Geochemical Exploration Technology, Hefei 230022, China |
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| Abstract: | Based on an analysis of the frequency sounding curve of the CSAMT method (controlled source audio-frequency electromagnetic method), the authors have found that the curve intersects the curve in the transition region. The physical mechanism of such a phenomenon was studied, and a method for correcting the curve in the transition region was put forward. It is shown that the corrected curve is quite consistent with the actual stratigraphic electric character. |
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| Keywords: | CSAMT method frequency sounding curve electromagnetic characteristics apparent resistivity |
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