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Assessment of heavy metal pollution and ecological risks for sediments
from Baihua Lake, China
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Assessment of heavy metal pollution and ecological risks for sediments from Baihua Lake, China
Fan, M.Y.1; Yang, H.1, 2; Lin, Y.M.1; Shi, X.D.1; Li, J.L.1, 2; Li, L.Y.1; Hu, J.W.1, 2
Source: Material Science and Environmental Engineering - Proceedings of the 3rd annual 2015 International Conference on Material Science and Environmental Engineering, ICMSEE 2015, p 585-590, 2016, Material Science and Environmental Engineering - Proceedings of the 3rd annual 2015 International Conference on Material Science and Environmental Engineering, ICMSEE 2015; ISBN-13: 9781138029385; Conference: 3rd Annual International Conference on Material Science and Environmental Engineering, ICMSEE 2015, June 5, 2015 - June 6, 2015; Publisher: CRC Press/Balkema
Author affiliations:
1 Guizhou Provincial Key Laboratory of Information System of Mountainous Areas and Protection of Ecological Environment, Guizhou Normal University, Guiyang; Guizhou, China
2 Institute of South China Karst, Guizhou Normal University, Guiyang; Guizhou, China
Abstract:
In order to assess the pollution level of heavy metals (Pb, Cr, Cd, Hg, As, Cu, Fe and Zn) in the sediments from Baihua Lake, the sediment samples were collected at 15 sampling locations were analyzed in this investigation. The results showed that the variations in the concentrations of Fe, Zn, Hg, As and Pb were large, and that Fe, Zn, Hg and As were all high for the sampling location Yueliangwan. According to the results of the individual pollution index, the major part of Baihua Lake was polluted to different degrees by Hg, As, Cd and Zn. The integrated pollution index of each sampling location ranged from 1.13 to 41.66, and Yueliangwan, Jinyinshan and Laojiutu were the most polluted among all the sampling locations. Their integrated pollution indices were 41.66, 18.27 and 9.61, respectively. Since the Hg and As pollution was the heaviest in sediments, the control of these two heavy metals pollution became particularly important for this lake. © 2016 Taylor and Francis Group, London.(15 refs)
Main heading: Lake pollution
Controlled terms: Cadmium - Copper - Environmental engineering - Heavy metals - Lakes - Lead - Location - Pollution - Pollution control - Risk assessment - Sediments - Zinc
Uncontrolled terms: Ecological risks - Heavy metal pollution - Heavy metals pollution - Integrated pollution indices - Pollution index - Pollution level - Sampling location - Sediment samples
Classification Code: 453 Water Pollution - 483 Soil Mechanics and Foundations - 531 Metallurgy and Metallography - 544.1 Copper - 546.1 Lead and Alloys - 546.3 Zinc and Alloys - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 914.1 Accidents and Accident Prevention
Database: Compendex
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