Journal ArticleOpen Access
Spatial distribution and source identification of heavy metal pollution in roadside surface soil: a study of Dhaka Aricha highway, Bangladesh
Authors
Author Affiliations
Jahangirnagar University, Bangladesh Council of Scientific and Industrial Research
Published InEcological Processes
Year2016
Citations106
Abstract
In this study, metal pollution and their sources in surface soils were evaluated by pollution indices and multivariate statistical techniques in association with a geographical information system (GIS). Surface soil samples were collected in dry season from different locations of Dhaka Aricha highway and analyzed by energy dispersive X-ray fluorescence (EDXRF). Thirteen different metals were found in the tested samples. Pollution indices are determined by enrichment factor in an order of Zr > Sn > P > Mn > Zn > Rb > Fe > Ba > Sr > Ti > K > Ca > Al. The resulting geoaccumulation index (I geo) value shows the following order: Sn > Zr > P > Mn > Zn > Rb > Fe…
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