NDLI: Distribution and pollution assessment of heavy metals in soils on railway side of Shangzhi section of Harbin-Suifenhe railway in northeastern China

Content Provider	IEEE Xplore Digital Library
Author	Wang Lianfeng Gai Shinan Bai Yingxia
Copyright Year	2011
Description	Author affiliation: College of Environmental and Chemical Engineering, Dalian Jiaotong University, 116028, China (Wang Lianfeng; Gai Shinan; Bai Yingxia)
Abstract	Heavy metals (Cu, Zn, Pb and Cd) concentrations using atomic absorption spectrometry were investigated in roadside surface (0–20 cm) and sub-surface (20–40 cm) arable soils along Shangzhi section of Harbin-Suifenhe railway, Heilongjiang province, northeastern China. The soil contamination was assessed on the basis of enrichment factor (EF) and geoaccumulation index (Igeo). The results showed heavy metals in soils 50-meter distance from railway were higher than that of 10- and 100-meter distance. Except for Zn, concentrations of Cu, Pb and Cd in surface soil (0–20cm) were higher than that of subsurface soil (20–40cm). Concentrations of Cu (17.9∼22.4 mg $kg^{−1}),$ Zn (106∼293 mg $kg^{−1}),$ Pb (18.2∼24.6 mg $kg^{−1})$ and Cd (0.064∼0.386 mg $kg^{−1})$ were lower than the values in China National Standards Grade II. Most of EFs of the 4 heavy metals were higher than 1.0. The highest EFs of Cu, Zn, Pb and Cd are 1.23, 5.30, 1.20 and 4.70, respectively. Igeo indicated that Contamination level of Cd was Class 2, Moderately contaminated. There were no obvious pollution of Cu and Pb in the studied area.
Starting Page	8215
Ending Page	8218
File Size	214277
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5964066
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pollution Enrichment factor Railway Soils Soil Lead Rail transportation Copper Zinc Heavy metals Geoaccumulation index
Content Type	Text
Resource Type	Article

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