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引用本文:贺华中.东湖主要点源氮、磷负荷的动态变化.湖泊科学,1996,8(3):229-234. DOI:10.18307/1996.0306
He Huazhong.Variation of N and P pollutant load in principal point sources in Donghu Lake, Wuhan. J. Lake Sci.1996,8(3):229-234. DOI:10.18307/1996.0306
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东湖主要点源氮、磷负荷的动态变化
贺华中
武汉测绘科技大学, 武汉430070
摘要:
根据1990~1992年对武汉东湖水果区几个点源的监测研究,并通过对1982年和1992年入湖氮、磷量的比较,认为武汉东湖富营养化主要在于含氮、磷生活污水的排入;东湖的氨氮污染与可溶磷污染较严重。阐述了东湖水质继续向严重富营养化演变的原因,并提出了防治富营养化的建议。
关键词:  东湖  富营养化  污染负荷
DOI:10.18307/1996.0306
分类号:
基金项目:国家青年科学基金资助项目
Variation of N and P pollutant load in principal point sources in Donghu Lake, Wuhan
He Huazhong
Wuhan Technical University of Surveying and Mapping, Wuhan 430070
Abstract:
This paper,being concerned in the sewage discharge of the point pollution sources in Donghu Lake, selects three principal ditches, and mainly deals with the changes of sewage flow, concentration and load of nitrition materials(nitrogen and phosphorus).Studies of development of N and P contents in waste water in ten years (1982-1992),have also been made.The results of studies indicate: (1) the input of external nitrition materials (N, P), especially in the surrounding residant's domestic demand,has greatly contributed to the eutrophication of Donghu Lake. (2) the input of total nitrogen and total phosphorus has increased greatly, and the latter's ratio between 1982 and 1992 reaches to 1:2.09. (3) the main pollutants are NH4+-N and soluable phosphorus, which are related to the use of great amount of phosphorus-containing synthetic detergents.So, one of the most practical means of controlling the eutrophication of Donghu Lake is to reduce external nutrient input.
Key words:  Donghu Lake (Wuhan)  eutrophication  pollutant load
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