Volume 10 Issue 6
Nov.  2020
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Article Navigation >  Journal of Environmental Engineering Technology  > 2020  >  10(6): 905-911
ZHAO Li, YU Jingwen, XING Jianyu, WANG Shuhang, CAI Qing, ZHENG Shuofang, JIANG Xia. Spatial and temporal distribution characteristics and environmental effects of suspended solids in Nanhu Lake[J]. Journal of Environmental Engineering Technology, 2020, 10(6): 905-911. doi: 10.12153/j.issn.1674-991X.20200067
Citation: ZHAO Li, YU Jingwen, XING Jianyu, WANG Shuhang, CAI Qing, ZHENG Shuofang, JIANG Xia. Spatial and temporal distribution characteristics and environmental effects of suspended solids in Nanhu Lake[J]. Journal of Environmental Engineering Technology, 2020, 10(6): 905-911. doi: 10.12153/j.issn.1674-991X.20200067
shu

Spatial and temporal distribution characteristics and environmental effects of suspended solids in Nanhu Lake

doi: 10.12153/j.issn.1674-991X.20200067
  • 1.

    National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences

  • 2.

    State Environmental Protection Key Laboratory for Lake Pollution Control, Chinese Research Academy of Environmental Sciences

  • 3.

    Yangtze Ecology and Environment Co., Ltd.

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  • Corresponding author: WANG Shuhang E-mail: wangsh@craes.org.cn
  • Received Date: 2020-03-30
  • Publish Date: 2020-11-20
    Abstract
  • In order to explore the cause of the turbidity of Nanhu Lake, the spatial and temporal distribution characteristics, composition and variation rules of suspended solids in Nanhu Lake were analyzed according to the detailed field investigation in 2018-2019, and the influencing factors of suspended solids and their effects on water environment were discussed. The results showed that the total suspended solids (TSS) content in the water of Nanhu Lake was obviously higher than those of some other lakes in China, ranging from 29.20 to 75.20 mg/L, with the mean value of 38.95 mg/L, and inorganic suspension was mainly in the water, the proportion of which ranged from 55.42% to 79.25%, with the mean value of 66.80%. At the same time, the median particle size of suspended solids was mainly small particles of 0-10 μm, and the proportion was 45.24%-83.73%, with the mean value 58.94%, which was significantly higher than those of the surrounding waters. Correlation analysis showed that the concentration of TSS in the water was significantly positively correlated with total nitrogen and total phosphorus concentrations, indicating that suspended matter, as a carrier of nutrient salts, had a greater impact on the water quality of Nanhu Lake.

     

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