Volume 39 Issue 2
Mar.  2020
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Wang Weiping, Wu Chengping, Yu Changchun, Ma Xunbiao, Xie Rukuan. Dectecting depth of frequency domain airborne electromagnetic method for water resource investigation and its applications[J]. Bulletin of Geological Science and Technology, 2020, 39(2): 191-197. doi: 10.19509/j.cnki.dzkq.2020.0221
Citation: Wang Weiping, Wu Chengping, Yu Changchun, Ma Xunbiao, Xie Rukuan. Dectecting depth of frequency domain airborne electromagnetic method for water resource investigation and its applications[J]. Bulletin of Geological Science and Technology, 2020, 39(2): 191-197. doi: 10.19509/j.cnki.dzkq.2020.0221

Dectecting depth of frequency domain airborne electromagnetic method for water resource investigation and its applications

doi: 10.19509/j.cnki.dzkq.2020.0221
  • Received Date: 14 May 2019
  • In order to know the application condition and its exploration effects of frequency domain airborne electromagnetic method used in water resource investigation, this paper calculates various hydrologic geoelectric models and the responses of different frequency airborne electromagnetic system based on the layer model. Through analysing the electromagnetic response feature and attenuation law of towered helicopter frequency electromagnetic system and fixed wing frequency electromagnetic system used in different hydrologic geoelectric models, the paper analyses the different detecting depths of the two systems using different hydrologic geoelectric models. The maximal depth of requency airborne electromagnetic system in saline areas is 60 meters, and the maximal depth in non-saline areas is 130 meters. Based on comprehensive analysis of the appliction prospect of the frequency airborne electromagnetic method applied to water resource investigation and the application samples at home and abroad, the paper demonstrates the effect of frequecy airborne electromagnetic method used in fresh water resource investigation in East China coastal area and the arid inland area. The result is signifficant for using frequency airborne electromagnetic method in water resource investigation.

     

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