Environmental Engineering Research

  • 제20권1호
  • /
  • Pages.19-24
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  • 2015
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  • 1226-1025(pISSN)
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  • 2005-968X(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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Temporal and spatial variation analysis on nutritive salt of Hongze Lake

  • Zhang, Min (Hongze Lake water conservancy project management office) ;
  • Chu, Enguo (Hongze Lake water conservancy project management office) ;
  • Xu, Ming (Hongze Lake water conservancy project management office) ;
  • Guo, Jun (Hongze Lake water conservancy project management office) ;
  • Zhang, Yong (School of Environment and Geomatics Engineering, Suzhou University)
  • 투고 : 2014.11.18
  • 심사 : 2014.12.18
  • 발행 : 2015.03.31
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초록

This paper mainly focuses on the research of the monitoring data about the total nitrogen (TN), total phosphorus (TP) of ten monitoring points of Hongze Lake in 28 years. Our study adopts the technical methods such as difference comparison, correlation analysis, Mann-Kendall, etc. to analyze the statistical characteristics, regional differences, and temporal and spatial variation condition of ten monitoring points of Hongze Lake in 1986-2013 as well as the reason for the time and space variation of TN and TP. The results show that the TN and TP of Hongze Lake change dramatically during the period of 1994-2004. In all the monitoring periods, TN and TP of the HZ5, HZ6, HZ7, HZ8 monitoring points in the estuary surrounding the Huaihe River are the highest, which suggests that TN and TP of Hongze Lake should not be ignored for the pollution along the Huaihe River. The TN concentration in the core area is the highest, but that in the development control area is the lowest. In most of the years, TN concentration is higher than 2 mg/L, and the water quality is V class and poor V class water quality in China's Environmental Quality Standards for Surface Water (GB3838-2002). TP concentration of the three areas is basically close, that is lower than 2 mg/L in most of the years, and the water quality is within the V class. The TN and TP concentration of Hongze Lake decreased and intensifying trend of eutrophication is controlled after 2004.

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참고문헌

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피인용 문헌

  1. Biogenic Migration of Nitrogen and Phosphorus in Crimean Hypersaline Lakes: A Seasonal Aspect vol.58, pp.10, 2015, https://doi.org/10.1134/s0016702920100122