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	Identification of non-point source pollution in the Miyun Reservoir watershed
	Su Baolin ; Wang Jianping ; Jia Haifeng ; Cheng Shengtong ; Yang Zhongshan ; Wu Dianwei ; Sun Feng
	2010-05-10 ; 2010-05-10
关键词	Practical Theoretical or Mathematical/ reservoirs river pollution rivers soil pollution water pollution control/ nonpoint source pollution Miyun Reservoir watershed pollution control scenarios nutrient losses flooding season dry hydrological years livestock production agricultural production forests grassland Dage town Chicheng town phosphorous loadings nitrogen loadings/ A8670E Water (environmental science) A9240Q Water quality and water resources A9240F Rivers, runoff, and streamflow A8670C Soil and rock (environmental science) E0230 Environmental issues
中文摘要	A non-point source (NPS) pollution modeling system, the soil water and assessment tools for the Miyun Reservoir watershed, was used to identify temporal and spatial variations of NPS pollution in the watershed and to evaluate three pollution control scenarios. Soil and nutrient losses predominantly occurs during the flooding season, with nutrient losses during the flooding season reduced in dry hydrological years. Developed areas of agricultural and livestock production are key areas for NPS loadings, while areas covered by forests and grassland contributing less to the NPS loadings. Cutting livestock discharges and reducing fertilizer applications can efficiently reduce total nitrogen and total phosphorous loadings in the Chao River sub-watershed and can partially reduce total phosphorous loadings in the Bai River sub-watershed, but will have little effect in the total nitrogen loadings. Cutting domestic point sources in the towns of Dage and Chicheng will reduce total phosphorous loadings, but will have less effect on total nitrogen loadings.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/23383]
专题	清华大学
推荐引用方式 GB/T 7714	Su Baolin,Wang Jianping,Jia Haifeng,et al. Identification of non-point source pollution in the Miyun Reservoir watershed[J],2010, 2010.
APA	Su Baolin.,Wang Jianping.,Jia Haifeng.,Cheng Shengtong.,Yang Zhongshan.,...&Sun Feng.(2010).Identification of non-point source pollution in the Miyun Reservoir watershed..
MLA	Su Baolin,et al."Identification of non-point source pollution in the Miyun Reservoir watershed".(2010).

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