NDLI: Heavy metal pollution and the ecological risk assessment of urban street dust in Kunming, China

Content Provider	IEEE Xplore Digital Library
Author	Zhengtao Shi Wenxiang Zhang Yong Liu Feng Wu Ming Dong Huai Su Qingzhong Ming
Copyright Year	2011
Description	Author affiliation: Key Laboratory of Geographical Process and Environmental Change in the Plateau, Yunnan Province, Kunming 650500, China (Zhengtao Shi; Wenxiang Zhang; Yong Liu; Ming Dong; Huai Su; Qingzhong Ming) \|\| College of Tourism and Geography, Yunnan Normal University, Kunming 650092, China (Feng Wu)
Abstract	The concentration of Cu, Ni, Cr, Zn, Pb and As in urban street dust collected from Kunming were analyzed by using X-Ray fluorescence spectrometry. Spatial technique was applied to study the content level and the spatial distribution character of heavy metal pollution in street dust of Kunming. The ecological risks of heavy metals in street dust were assessed by the potential ecological risk index (ERI) method. The results show that the average concentrations of Cu, Ni, Cr, Zn, Pb and As were much higher than the background concentrations of soil in China, in which Cu, Zn, Pb and As have reached the relative enrichment classes, these four elements heavier pollution. Accumulation of heavy metals in the dry season was significantly higher than during the rainy season. The highest content of heavy metals was in the industrial areas, the followed were the traffic areas. Heavy metals mainly came from traffic pollution in urban street dust and industrial pollution in Suburbs. The potential ecological risk level of heavy metals in street dust of Kunming reached the lightly ecological risk levels.
Starting Page	2169
Ending Page	2172
File Size	378897
Page Count	4
File Format	PDF
ISBN	9781457710032
ISSN	21537003
e-ISBN	9781457710056
DOI	10.1109/IGARSS.2011.6049596
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cities and towns Copper Lead Pollution Zinc Nickel Kunming Street dust heavy metals potential ecological risk
Content Type	Text
Resource Type	Article

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