광주광역시 토양의 지화학적 거동 특성과 오염
Geochemical Behavior and Pollution of Soils in Gwangju City
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To examine the geochemical behavior and pollution of soils in Gwangju City, an analysis was carried out for pH, on the contents of metals, and organic carbon. Soil samples were taken from environs areas, industrial areas and downtown areas. The major factor controlling the behavior of metallic elements in the soil was chemical weathering of clay mineral in the environs areas, industrialization, and urbanization. Heavy metals including Cu, Pb and Zn were highly enriched for the samples from central part of downtown area. This indicated that the urbanization and the industrialization affected soil pollution. The results show that soil pollution in a metropolitan city which is caused by harmful heavy metals is severest in the center of the city. In consequence, it is inevitable that practical measures should be taken to prevent soil pollution expansion.
Abstract
To examine the geochemical behavior and pollution of soils in Gwangju City, an analysis wascarried out for pH, on the contents of metals, and organic carbon. Soil samples were taken fromenvirons areas, industrial areas and downtown areas. The major factor controlling the behaviorof metallic elements in the soil was chemical weathering of clay mineral in the environs areas,industrialization, and urbanization. Heavy metals including Cu, Pb and Zn were highlyenriched for the samples from central part of downtown area. This indicated that theurbanization and the industrialization affected soil pollution. The results show that soilpollution in a metropolitan city which is caused by harmful heavy metals is severest in thecenter of the city. In consequence, it is inevitable that practical measures should be taken toprevent soil pollution expansion.
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