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heavy metal Distribution Map in soil by Using GIS Techniques

Journal of Environmental Science and Engineering 2011年第1期5卷 15-20页

作者： M. Altan O. Ayyildiz S. Malkoc B. Yazici S. Koparal Department of Physics Faculty of Science Anadolu University Yunusemre Campus Eskicehir Turkey Applied Research Centre for Environmental Problems Anadolu University ikieyliil Campus Eskisehir Turkey Department of Statistics Faculty of Science Anadolu University Yunusemre Campus Eskisehir Turkey

A detailed investigation was conducted to understand the contamination characteristics and distributions of heavy metal pollution in terms of contributions of the heavy metal concentrations as mg/kg ofCd, Cr, Cu, Ni, Zn, Pb, Fe and Mn in the urban soil in Eskisehir city center. The amount of these heavy metals were determined from 15 soil sample points collected within urban area and every sample point included 6 separated samples for chemical analyses. The results indicated that concentration values of all metals except Ni and Cr in soils were below the risky limit pollution values which are recommended by Turkey Ministry of Environment and Forestry in some sample points. Spatial distribution maps were created and recoded, in terms of these heavy metals concentrations as contribution to heavy metal pollution in soil, through Geographical Information Systems techniques. As a result, risky areas were modeled in terms of contamination of heavy metal and it is shown that, every different risky area can be interpreted based on buildings in city center quickly and easily.

关键词： heavy metal pollution in soil GIS generation recoded map pollution distribution.

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