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Spatial distribution and environmental risk of major elements in surface sediments associated Manwan Dam in Lancang River, China
2015
Eurasian Journal of Soil Science
Article Info Bulk elements and grain sizes in sediments collected at upstream and downstream of Manwan Dam were studied to demonstrate the spatial distribution of heavy metals in the sediments and to assess their risk. Correlation analysis showed that the spatial distribution of Cd, Zn and Mg were significantly affected by dam construction. PCA analysis demonstrate that Cd and Zn were both controlled by Ca, As, Pb, organic matter and clay. Mg was controlled by silt, Al, P and K. The risk
doi:10.18393/ejss.37849
fatcat:xp2343hsxrfnxl6du5vl32gsam