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Multi-scale wavelet separation of aeromagnetic anomaly and study of faults in Beijing area

ZHANG Xian ZHAO Li LIU Tian-you YANG Yu-shan

地震学报(英文版)2006,Vol.19Issue(5):542-551,10.
地震学报(英文版)2006,Vol.19Issue(5):542-551,10.

Multi-scale wavelet separation of aeromagnetic anomaly and study of faults in Beijing area

Multi-scale wavelet separation of aeromagnetic anomaly and study of faults in Beijing area

ZHANG Xian 1ZHAO Li 1LIU Tian-you 2YANG Yu-shan2

作者信息

  • 1. Geophysical Exploration Center,China Earthquake Administration,Zhengzhou,450002,China
  • 2. Institute of Geophysics and Geomagnetics,China University of Geosciences,Wuhan,430074,China
  • 折叠

摘要

Abstract

In this paper, through a multi-scale separation of the aeromagnetic anomaly by wavelet transform technique, we reprocessed the aeromagnetic data collected 20 years ago in Beijing area and analyzed the aeromagnetic anomaly qualitatively, integrating geological structure features in the area. In particular, we studied the spatial distributions of the two main faults called Shunyi-Liangxiang fault and Banqiao-Babaoshan-Tongxian fault, which have cut and gone through the central Beijing area striking in NE and EW directions, respectively. The influences of these two faults on the earthquakes have also been discussed briefly.

关键词

Beijing area/aeromagnetic anomaly/multi-scale separation/fault analysis

Key words

Beijing area/aeromagnetic anomaly/multi-scale separation/fault analysis

分类

天文与地球科学

引用本文复制引用

ZHANG Xian,ZHAO Li,LIU Tian-you,YANG Yu-shan..Multi-scale wavelet separation of aeromagnetic anomaly and study of faults in Beijing area[J].地震学报(英文版),2006,19(5):542-551,10.

基金项目

National Development and Reform Commission Project "Experimental Detection of Urban Active Faults"(2004-1138). (2004-1138)

地震学报(英文版)

1000-9116

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