Application of the DC resistivity method in the study of saline groundwater distribution in the lower reaches of the Yellow River
XU Yan1,2,3(), ZHANG Tai-Ping1,2,3, XIE Wei1,2,3, ZHANG Hong-Jun1,2,3, WANG Qiang1,2,3, WANG Wei1,2,3(), GUO Peng4, WANG Kui-Feng1,2,3, YIN Ji-Guang1,2,3, ZHANG Rui-Hua1,2,3
1. Shandong Institute of Geological Sciences, Jinan 250013, China 2. Key Laboratory of Gold Mineralization Processes and Resource Utilization, MNR, Jinan 250013, China 3. Shandong Provincial Key Laboratory of Metallogenic Geological Process and Resource Utilization, Jinan 250013, China 4. Shandong Institute of Geophysical and Geochemical Exploration, Jinan 250013, China
This study investigated the distribution characteristics of saline groundwater in the Huimin area of the lower reaches of the Yellow River using the DC resistivity method. Specifically, this study determined the distribution range of the apparent resistivity of the saline water and the variation in the saline-fresh groundwater interface in the area based on resistivity logs, aiming to constrain the resistivity sounding data analysis and improve the interpretation accuracy of the distribution of the saline groundwater. The results are as follows. The top boundary of the saline water in the area mainly had a burial depth of 20~50 m and developed to the shallow surface locally. It was inferred that the bottom boundary of the saline water had a burial of mainly 160~300 m and gradually became shallow in a nearly NW direction. As verified by the later investigation of water samples and drilling, the inferred saline groundwater characteristics agreed roughly with the actual situation. This result indicates that the DC resistivity method has a good application performance in the study of the distribution of saline groundwater.
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XU Yan, ZHANG Tai-Ping, XIE Wei, ZHANG Hong-Jun, WANG Qiang, WANG Wei, GUO Peng, WANG Kui-Feng, YIN Ji-Guang, ZHANG Rui-Hua. Application of the DC resistivity method in the study of saline groundwater distribution in the lower reaches of the Yellow River. Geophysical and Geochemical Exploration, 2023, 47(2): 496-503.
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doi: 10.1111/acgs.2019.93.issue-S2
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