Study on multiple induced polarization parameters in groundwater exploration in Bashang poverty alleviation area of Heibei Province, China
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Abstract:
The study examines a water exploration and poverty alleviation project in Guyuan county. The study analyzes correlations between aquifers and multiple induced polarization (IP) parameters, including resistivity, polarizability, deviation, half decay time, water-bearing factors, and Kc, a new parameter refined in this study. Based on the study, the well was placed accurately, and its maximum water inflow reached 30 m3/h. Kc value highlights the rate of change at early stages of IP secondary field. Kc value served as a quick indicator in this groundwater prospecting and is validated in practice. Progress has been made in finding new parameters in exploring water with IP method. Thanks to the project, local people have access to water and poverty alleviation has scored some achievements.
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Key words:
- Bashang /
- Induced polarization parameters /
- Decay rate /
- Secondary field
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Table 1. Common values of rock and soil stratum's physical properties
Name Soil Clay Silty Clay Silty sand Sand Gravel Strongly weathered zone Complete bedrock Pure water Resistivity (Ω.m) 30 20 50 60 70 80 110 > 200 30~100 
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Table 2. Polar distance of IP symmetrical quadrupole device
AB/2(m) 3 6 9 12 15 20 ... 60 80 100 120 150 210 300 MN/2(m) 0.5 0.5 0.5 0.5 5 5 ... 5 5 10 10 10 10 10
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