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Case Study on the Investigation of Leachate Contamination from Waste Landfill Using Electromagnetic and Magnetic Methods  

Son Jeong-Sul (Geotechnical Engineering Division, Korea Institute of Geoscience and Mineral Resources)
Kim Jung-Ho (Geotechnical Engineering Division, Korea Institute of Geoscience and Mineral Resources)
Yi Myeong-Jong (Geotechnical Engineering Division, Korea Institute of Geoscience and Mineral Resources)
Ko Kyung-Seok (Geological and Environmental Hazards Division, Korea Institute of Geoscience and Mineral Resources)
Publication Information
Geophysics and Geophysical Exploration / v.8, no.2, 2005 , pp. 137-144 More about this Journal
Abstract
In this study, we offered the results of geophysical and geochemical survey on the municipal waste disposal area to delineate the size and extent of leachate contamination. Preliminary to intensive geochemical investigation, we performed two geophysical methods to characterize the survey area. Electromagnetic (EM) and magnetic method were used far site investigation. From the EM method, we can get the information of soil conductivity directly related to the leachate of the contaminations and from magnetic anomalies we can find the boundary of landfill which is not identified on the surface due to soil capping. The results of geophysical survey were well matched to those of geochemical method carried out inside and near the landfill. Electric conductivity (EC) of the groundwater sampled from low resistivity anomaly region of EM result was higher than background value and the border estimated from the magnetic survey showed good agreement with that estimated from the soil gas detection survey.
Keywords
waste landfill; electromagnetic survey; magnetic survey; geochemical analysis; soil gas detection survey;
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