국내 토양오염물질 분포 특성 및 중금속 오염도 평가
Assessment of Soil Pollutant Distribution Characteristics and Heavy Metal Pollution in Korea
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참고문헌
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초록
BACKGROUND: Heavy metals discharged from vari-ous sources contaminate the soil and water and the re-siduals can persistently be accumulated. In this study, the concentration of soil heavy metals was assessed over the whole regions of Korea based on the contamination factor and the geoaccumulation index. METHODS AND RESULTS: The data of averaged con-centrations of heavy metals and fluorine were collected from the Korean Statistical Information Service (KOSIS) and the research papers published. In order to classify the levels of heavy metal concentration, the contamination index, including the contamination factor and the geo-accumulation index, based on the relative ratio of the ac-tual concentration of heavy metals in the soil to the background concentration was calculated. In addition, the dis-tribution of heavy metals in soils was visualized by using the geographic information system (GIS). As a result, the Cd contamination in the soils was the most concerned. CONCLUSION(S): This study very roughly indicated the outline of heavy metal concentration over the whole regions of Korea. The change in heavy metals’ concen-tration over the time should further be monitored and the larger data of heavy metal contamination are needed for better understanding in the future.
Abstract
BACKGROUND: Heavy metals discharged from vari-ous sources contaminate the soil and water and the re-siduals can persistently be accumulated. In this study, the concentration of soil heavy metals was assessed over the whole regions of Korea based on the contamination factor and the geoaccumulation index. METHODS AND RESULTS: The data of averaged con-centrations of heavy metals and fluorine were collected from the Korean Statistical Information Service (KOSIS) and the research papers published. In order to classify the levels of heavy metal concentration, the contamination index, including the contamination factor and the geo-accumulation index, based on the relative ratio of the ac-tual concentration of heavy metals in the soil to the background concentration was calculated. In addition, the dis-tribution of heavy metals in soils was visualized by using the geographic information system (GIS). As a result, the Cd contamination in the soils was the most concerned. CONCLUSION(S): This study very roughly indicated the outline of heavy metal concentration over the whole regions of Korea. The change in heavy metals’ concen-tration over the time should further be monitored and the larger data of heavy metal contamination are needed for better understanding in the future.
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