Identification of underground freshwater bodies in coastal areas based on high-density resistivity

XU Zhe; YANG Jiaojiao; LIU Rongbo; LIN Zheyuan; CAO Ke; ZHOU Yubo; ZHANG Peng; WANG Shengmin; LI Ang; ZHENG Hongjie

doi:10.16028/j.1009-2722.2021.205

2022 Vol. 38, No. 6

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Article navigation > Marine Geology Frontiers > 2022 > 38(6): 47-53

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XU Zhe, YANG Jiaojiao, LIU Rongbo, LIN Zheyuan, CAO Ke, ZHOU Yubo, ZHANG Peng, WANG Shengmin, LI Ang, ZHENG Hongjie. Identification of underground freshwater bodies in coastal areas based on high-density resistivity[J]. Marine Geology Frontiers, 2022, 38(6): 47-53. doi: 10.16028/j.1009-2722.2021.205

Citation:

XU Zhe, YANG Jiaojiao, LIU Rongbo, LIN Zheyuan, CAO Ke, ZHOU Yubo, ZHANG Peng, WANG Shengmin, LI Ang, ZHENG Hongjie. Identification of underground freshwater bodies in coastal areas based on high-density resistivity[J]. Marine Geology Frontiers, 2022, 38(6): 47-53. doi: 10.16028/j.1009-2722.2021.205

Identification of underground freshwater bodies in coastal areas based on high-density resistivity

1.
Zhejiang Institute of Hydrogeology and Engineering Geology, Zhejiang Ocean Exploration and Research Institute, Ningbo 315000, China
2.
Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266237, China
3.
Weifang Key Laboratory of Coastal Groundwater and Geological Environmental Protection and Restoration, Weifang 261021, China

Received Date: 14 August 2021

Publish Date: 28 June 2022

Abstract

Abstract

The identification of underground freshwater bodies can assist us effectively to find freshwater resources in coastal areas. In this article, we present the theoretical basis of high-density resistivity method for identifying freshwater bodies in coastal areas. The result shows that the method could distinguish the freshwater-saltwater interface, with which freshwater layer can be clearly shown on the profile of high-density resistivity inversion, from which freshwater distribution can be effectively delineated. In addition, the results agree well with the hydrogeological survey results, indicating that this method is feasible and effective in coastal areas. At last, the electrical characteristics and vertical distribution of freshwater bodies were summarized. This study provided reliable basic data for regional hydrogeological survey and exploration.
- coastal area /
- high-density resistivity method /
- freshwater body /
- freshwater-saltwater interface

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References

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