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Influencing Factors of Water Quality in Mingcui Lake of Ningxia

Zhang Juping

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Abstract

According to water quality monitoring data,two main factors affecting the water quality were extracted from ten water quality parameters of Mingcui Lake by factor analysis method.The first main factor was composed of chlorophyll-a(chla),potassium permanganate index(CODMn) and BOD5,which reflected the status of organic pollution in Mingcui Lake.The second main factor was composed of total nitrogen(TN),ammonia nitrogen(NH3-N),nitrate nitrogen(NO3-N) and nitrite nitrogen(NO2-N),which reflected the status of nitrogen pollution in Mingcui Lake.Organic pollution and high nitrogen content were the main characteristics of Mingcui Lake,which were the main reasons of Mingcui lake eutrophication.

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What this paper is about

According to water quality monitoring data,two main factors affecting the water quality were extracted from ten water quality parameters of Mingcui Lake by factor analysis method.The first main factor was composed of chlorophyll-a(chla),potassium permanganate index(CODMn) and BOD5,which reflected the status of organic pollution in Mingcui Lake.The second main factor was composed of total nitrogen(TN),ammonia nitrogen(NH3-N),nitrate nitrogen(NO3-N) and nitrite nitrogen(NO2-N),which reflected the status of nitrogen pollution in Mingcui Lake.Organic pollution and high nitrogen content were the main characteristics of Mingcui Lake,which were the main reasons of Mingcui lake eutrophication.

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Available abstract

According to water quality monitoring data,two main factors affecting the water quality were extracted from ten water quality parameters of Mingcui Lake by factor analysis method.The first main factor was composed of chlorophyll-a(chla),potassium permanganate index(CODMn) and BOD5,which reflected the status of organic pollution in Mingcui Lake.The second main factor was composed of total nitrogen(TN),ammonia nitrogen(NH3-N),nitrate nitrogen(NO3-N) and nitrite nitrogen(NO2-N),which reflected the status of nitrogen pollution in Mingcui Lake.Organic pollution and high nitrogen content were the main characteristics of Mingcui Lake,which were the main reasons of Mingcui lake eutrophication.

Key concepts: Eutrophication, Environmental science, Water quality, Pollution, Nitrogen, Nutrient pollution, Potassium permanganate, Nitrate

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