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Volume 38 Issue 1
Feb.  2019
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Article Navigation >  CARSOLOGICA SINICA  > 2019  >  38(1): 117-123
LUO Runlin, DENG Haipeng, LI Yanan, LIU Changyang, PENG Cheng, GAO Zhu, ZHONGWei. Forward modeling of resistivity in random karst medium[J]. CARSOLOGICA SINICA, 2019, 38(1): 117-123. doi: 10.11932/karst2018y11
Citation: LUO Runlin, DENG Haipeng, LI Yanan, LIU Changyang, PENG Cheng, GAO Zhu, ZHONGWei. Forward modeling of resistivity in random karst medium[J]. CARSOLOGICA SINICA, 2019, 38(1): 117-123. doi: 10.11932/karst2018y11
shu

Forward modeling of resistivity in random karst medium

doi: 10.11932/karst2018y11
  • 1.

    College of Earth Sciences, Guilin University of Technology, Guilin,Guangxi 541004,China

  • 2.

    Guizhou University of Engineering Science,Bijie,Guizhou 551700,China

  • Publish Date: 2019-02-25
    Abstract
  • The distribution of electrical resistivity in karst area is of great uncertainty, due to the complex of underground karst features. Sometimes, the traditional forward modeling methods can not meet the needs of karst detection.In order to truly describe the electrical characteristics of karst media, a method to construct random medium model based on spectral factorization theory of stochastic process was proposed in this paper, and some stochastic geoelectric models in karst area were established. The forward theoretical calculation and measured geoelectric models showed that the random medium model could simulate the actual geoelectric structure more effectively, and the forward modeling results were closer to the measured abnormal character. Therefore, it is necessary to use the random medium model in forward modeling of resistivity in karst area.On one hand, it helps to understand the anomality, on the other hand, the random medium can better simulate the geoelectric phenomenon in karst area

     

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