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KMID : 1156220200460010088
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Journal of Environmental Health Sciences
2020 Volume.46 No. 1 p.88 ~ p.95
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Priority Management Using the QGIS for Sources of Contaminated Soil in Gyeonggi-do Province
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Son Young-Geum
Kim Ji-Young
Park Jin-Ho
Im Heung-Bin
Kim Jong-Su
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Abstract
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Object: The purpose of this study was to select priority points for soil management using the location of groundwater and to suggest this method for soil contamination surveys.
Method: Groundwater impact range was set to an area of 100 to 500 meters from the center point of agricultural groundwater wells. Data on industrial complex and factory areas, areas of stored or used ores and scrap metals, areas associated with waste and recycling, and traffic-related facilities areas were collected and checked for whether they fall within the groundwater impact range. Longitude and latitude coordinates of these data were mapped on the groundwater impact range using QGIS (Quantum Geographic Information System).
Results: Considering the groundwater impact range, the points were selected as follows: 589 points were selected from 6,811 factories and 259 points were selected from 1,511 recycling business points. Traffic-related facility areas were divided between gas stations, bus depots, and auto mechanics. Thirty-four points were selected from 149 bus depots and 573 points were selected from 6,013 auto mechanic points. From the 2,409 gas station points, 323 were selected.
Conclusion: Contaminated soil influences groundwater and crops, which can harm human health. However, soil pollution is not easily identified, so it is difficult to determine what has occurred. Pollution must be prevented beforehand and contaminated soil found. By selecting and investigating soil contamination survey points in consideration of the location of groundwater wells, we can safely manage water resources by preventing groundwater contamination in advance.
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KEYWORD
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Groundwater well, QGIS (Quantum Geographic Information System), soil contamination survey, priority management
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