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首页> 外文期刊>Acta Geophysica Polonica >EFFECT OF THIN NEAR-SURFACE LAYER ON THE GEOMAGNETIC INDUCTION ARROWS: AN EXAMPLE FROM THE EAST EUROPEAN PLATFORM
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EFFECT OF THIN NEAR-SURFACE LAYER ON THE GEOMAGNETIC INDUCTION ARROWS: AN EXAMPLE FROM THE EAST EUROPEAN PLATFORM

机译:薄近表面层对地磁感应角的影响:以东欧平台为例

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摘要

Nineteen deep geomagnetic soundings were made in NE Poland which belongs to the East European Platform. The calculated transfer functions show that the induction vectors are quite large, achieving 0.8. The maximum length of the vectors is at the period of about 300 s. Comparing the directions of the induction vectors with the map of the thickness of sedimentary cover we found a striking correlation with the crystalline basement depth isolines. An auxiliary 2D modelling and a thin-sheet model support the statement that substantial part of the vectors is due to induction in the sedimentary cover.
机译:在波兰东北部,属于东欧平台,共进行了19次深层地磁探测。计算出的传递函数表明,归纳向量非常大,达到0.8。向量的最大长度约为300 s。将感应矢量的方向与沉积物覆盖层的厚度图进行比较,我们发现了与结晶基底深度等值线的显着相关性。辅助2D建模和薄板模型支持以下说法:向量的很大一部分是由于沉积层中的感应所致。

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