Distribution Characteristic and Potential Ecological Risk Assessment of Heavy Metals in Sediments of the Luanhe River

HAO Hong; GAO Bo; WANG Jian-kang; ZHOU Huai-dong; LU Jin; YIN Shu-hua; ZHU Cheng

Rock and Mineral Analysis > 2012 > 31(6): 1000-1005.

HAO Hong, GAO Bo, WANG Jian-kang, ZHOU Huai-dong, LU Jin, YIN Shu-hua, ZHU Cheng. Distribution Characteristic and Potential Ecological Risk Assessment of Heavy Metals in Sediments of the Luanhe River[J]. Rock and Mineral Analysis, 2012, 31(6): 1000-1005.

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Distribution Characteristic and Potential Ecological Risk Assessment of Heavy Metals in Sediments of the Luanhe River

1.
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
2.
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
3.
College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, China
4.
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
5.
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
6.
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
7.
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China

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Received Date: January 29, 2012
Revised Date: August 26, 2012
Published Date: November 09, 2012

Abstract

ABSTRACT

River sediments are both the source and sink of heavy metal pollution, which has a significant effect on the water environment. In order to determine the pollution levels of heavy metals in the Luanhe River, heavy metal concentrations in sediments were detected by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). Additionally, the distribution characteristics and potential ecological risks were studied by potential ecological risk assessment. The results show that the average contents of Cr, Ni, Cu, Zn, Cd and Pb were 60.40, 26.15, 48.07, 76.42, 0.30 and 25.55 mg/kg, respectively. Among the six elements, the contents of Cu and Cd were higher than background values of stream sediments in China. In the mainstream, heavy metal concentrations increased from upstream to downstream. The pyroxies of potential ecological risk assessment indicated that the pollution degrees of heavy metals were: Cd>Cu>Pb>Cr>Zn, and Cd was the predominant pollution element among them. In general, the Luanhe River was moderately contaminated by heavy metals. However, the pollution of the Da Heiting reservoirs and Baohe River (Kuancheng) were at high risk level.
- Luanhe,
- River,
- sediments,
- heavy,
- metals

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