Relationship between apparent resistivity and chloride ion concentration in seawater intrusion areas: A case study of Qinhuangdao

SUN Jian-Hong; CHENG Li-Qun; ZHAO Wei-Feng; REN Gai-Juan; SUN Guan-Shi; WANG Rui-Peng; PEI Ming-Xing

doi:10.11720/wtyht.2022.1220

2022 Vol. 46, No. 2

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Article navigation > Geophysical and Geochemical Exploration > 2022 > 46(2): 518-524

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SUN Jian-Hong, CHENG Li-Qun, ZHAO Wei-Feng, REN Gai-Juan, SUN Guan-Shi, WANG Rui-Peng, PEI Ming-Xing. 2022. Relationship between apparent resistivity and chloride ion concentration in seawater intrusion areas: A case study of Qinhuangdao. Geophysical and Geochemical Exploration, 46(2): 518-524. doi: 10.11720/wtyht.2022.1220

Citation:

SUN Jian-Hong, CHENG Li-Qun, ZHAO Wei-Feng, REN Gai-Juan, SUN Guan-Shi, WANG Rui-Peng, PEI Ming-Xing. 2022. Relationship between apparent resistivity and chloride ion concentration in seawater intrusion areas: A case study of Qinhuangdao. Geophysical and Geochemical Exploration, 46(2): 518-524. doi: 10.11720/wtyht.2022.1220

Relationship between apparent resistivity and chloride ion concentration in seawater intrusion areas: A case study of Qinhuangdao

No. 8 Geological Team, Hebei Bureau of Geology and Mineral Resources Exploration, Qinhuangdao 066000,China

Received Date: 19 April 2021

Publish Date: 28 June 2022

Abstract

Abstract

This study mainly analyzes and summarizes the relationship between the apparent resistivity and chloride ion concentration in the process of determining the seawater intrusion boundaries of suspected seawater intrusion areas in Qinhuangdao coastal areas using results obtained by the high-density resistivity method. Firstly, this study conducted the statistical analysis of the corresponding relationship between apparent resistivity values obtained through resistivity logging in different geological zones and the chloride ion concentration obtained from water samples collected from corresponding wells. Based on this, the correlation between them was obtained through mathematical analysis, and then the corresponding linear relationship between them was determined. Finally, seawater intrusion areas in the study area were delineated using this relationship combined with the measurement results obtained by the high-density resistivity method. The research process and the final linear relationship will provide experience and methodological guidance for the follow-up work in similar regions.
- seawater invasion /
- high-density resistivity method /
- mathematical statistics /
- linear regression /
- Qinghuangdao

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References

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