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Electrical Resistivity Survey at the Ground with Micro-subsidence by Excessive Pumping of Groundwater  

Song Sung-Ho (KARICO)
Lee Kyu-Sang (KARICO)
Yong Hwan-Ho (KARICO)
Kim Jin-Ho (KARICO)
Publication Information
Geophysics and Geophysical Exploration / v.7, no.3, 2004 , pp. 197-206 More about this Journal
Abstract
Because the minute displacement of ground accompanied by excessive pumping of groundwater at specified site is mainly generated from ill-balancing of water budget within groundwater basin, It is necessary to monitor the variation of micro-subsidence for a long time at representative points. We made up the conceptual model using two-dimensional electrical resistivity survey and three-dimensional soil profile consisted of loam and sand. In verifying the reliability of this conceptual model using numerical modeling for ground settlement and groundwater flowing, two-dimensional electrical resistivity survey with short distance of electrode following soil sampling with hand auger would be useful for interpreting hydrogeological structure related to the minute displacement of ground consisted of loam and sand.
Keywords
excessive pumping of groundwater; micro-subsidence; numerical modeling for ground; numerical modeling for groundwater flowing; electrical resistivity survey;
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