NDLI: Spatial Variability Characteristic of Soil Heavy Metals Due to Industry Development of Typical Regions in Yangtze River Delta of China

Content Provider	IEEE Xplore Digital Library
Author	Cao Wei Zhou Shenglu Gu Xiang Wang Guoliang Sun Bo
Copyright Year	2009
Abstract	This study attempts to evaluate the spatial variability characteristic of soil heavy metals in different industrial types. Therefore, concentrations of heavy metals in soils with different distances from solid, liquid and gas point source and nonpoint source were measured in Yixing, an area with intensive industrialization in Yangtze River Delta of China. The results show that 1) the enrichment of heavy metals in soils around point source is strong and concentrations of heavy metals in soils around solid point source are the highest, followed by liquid, and gas is relatively low. The types of enrichment element depend on the types of point source. Concentrations of heavy metals in soils with distance are significantly decreased. And affected by the prevailing wind, the area influenced by gas point source is the largest, followed by solid, and liquid is relatively small; 2) compared with point source, the enrichment of heavy metals in soils around nonpoint source is relatively weak, but its element types are complex. There are no significant changes of concentrations of heavy metals in soils with distance, but the influenced area is larger; and 3) affected not only by the prevailing wind direction, but also by industry layout, concentrations of soil heavy metals around nonpoint source are of difference in different directions. Due to the complexity of the enrichment element’s types of soil heavy metals and their combined effect in nonpoint source, the spatial variability is more complex. It means that taking effective measures to control nonpoint source is especially difficult.
Starting Page	526
Ending Page	529
File Size	306726
Page Count	4
File Format	PDF
ISBN	9780769538198
DOI	10.1109/ICEET.2009.594
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Marine technology Soil measurements Area measurement Cities and towns Solids Sampling methods Educational institutions Metals industry Rivers Sun
Content Type	Text
Resource Type	Article

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