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Article Navigation >  Advances in Water Science  > 1992  >  3(4): 288-294

Shen Xianchen. Heavy Metals in the Water and Sediments of Guanting Reservoir[J]. Advances in Water Science, 1992, 3(4): 288-294.
Citation: Shen Xianchen. Heavy Metals in the Water and Sediments of Guanting Reservoir[J]. Advances in Water Science, 1992, 3(4): 288-294.
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Heavy Metals in the Water and Sediments of Guanting Reservoir

  • Water Quality Research Center, China

  • Received Date: 1991-09-10
  • Rev Recd Date: 1992-03-14
  • Publish Date: 1992-10-25
  • The distribution and behavior of heavy metals (Cn,Pb,Zn,Cd) in the water and sediments of Guanting Reservoir which supplies water for Beijing city were studied. The results for the water column show that the mean percentage of metals in the solute phase is 4.2%,and that most are associated with suspended sediment. The content of metals in the bed materials is from 5000 to 10000 times higher than dissolved in the water. The exchangeable metals in the bed materials represents only 0.6% of the total. This indicates that metals in the sediments are not greatly affected by surface adsorption. The spatial distribution of metals within the reservoir reflects pollution from various sources. The spatial variation in metal concentrations provides information on temporal changes in the water quality and pollution. The trends of metals in the water show that pollution increased from 1973 to 1985, but it decreased since 1985.
  • [1] 张启舜,蒋乃森,林秉南等.官厅水库中与泥沙沉积有关的环境间题.国际泥沙研究杂志.1986(1), 67-78
    [2] Namminga H, J Wilhm. Heavy metals in water, sediments, and chironomids.,J WPCF. 1977.1725-1730
    [3] Hirsch R M, Slack J R, and Smith R A. Techniques of trend analysis for monthly water quality data. Water Resources Research. 1982, 18(1):107-121
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Heavy Metals in the Water and Sediments of Guanting Reservoir

  • Water Quality Research Center, China
  • Received Date: 1991-09-10
  • Rev Recd Date: 1992-03-14
  • Publish Date: 1992-10-25

Abstract: The distribution and behavior of heavy metals (Cn,Pb,Zn,Cd) in the water and sediments of Guanting Reservoir which supplies water for Beijing city were studied. The results for the water column show that the mean percentage of metals in the solute phase is 4.2%,and that most are associated with suspended sediment. The content of metals in the bed materials is from 5000 to 10000 times higher than dissolved in the water. The exchangeable metals in the bed materials represents only 0.6% of the total. This indicates that metals in the sediments are not greatly affected by surface adsorption. The spatial distribution of metals within the reservoir reflects pollution from various sources. The spatial variation in metal concentrations provides information on temporal changes in the water quality and pollution. The trends of metals in the water show that pollution increased from 1973 to 1985, but it decreased since 1985.

Shen Xianchen. Heavy Metals in the Water and Sediments of Guanting Reservoir[J]. Advances in Water Science, 1992, 3(4): 288-294.
Citation: Shen Xianchen. Heavy Metals in the Water and Sediments of Guanting Reservoir[J]. Advances in Water Science, 1992, 3(4): 288-294.
shu

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