Distribution of Heavy Metals and Arsenic in Greenbelt Roadside Soils of Pudong New District in Shanghai
作者： H. L. Fang , Y. Dong , B. Gu , G. J. Hao , Z. W. Lv
DOI: 10.1080/15320380903252879
关键词:
摘要: We studied the distribution of seven heavy metals and As in typical municipal greenbelt roadside soils Pudong New District, Shanghai, China. Ni showed no significant accumulation compared with background values local soils, but there was strong evidence Cd, Cr, Cu, Hg, Pb Zn soils. However, only Cd contents were higher than pollution thresholds Chinese National Soil Quality standard. The concentrations metal(loid)s significantly affected by length time since roads constructed. Soils from areas adjacent to an older road had levels Pb, Zn. In terms spatial distribution, more found soil green median between carriageways those verges. Vertical analysis shows that Cu maximum topsoil substantially lower deeper layers of...
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