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首页> 美国政府科技报告 >Effects of Impoundments on Water Quality of Streams in the Coteau des Prairies-Upper Minnesota River Basin
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Effects of Impoundments on Water Quality of Streams in the Coteau des Prairies-Upper Minnesota River Basin

机译：作者：郝晓晖，王孝娣，王孝娣，水土保持通报BULLETIN

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The report presents an analysis of the data collected in the reconnaissancesampling in 1979 and during the subsequent intensive monitoring in 1980-84. The report will describe and evaluate the water quality in selected streams and impoundments in the Coteau, and describe the effects of the four studied impoundments on the water quality of their receiving streams. The purpose of the monitoring was to (1) determine the baseline quality of water in streams and impoundments in the Coteau, and (2) determine the effects of the impoundments on quality of water in the impounded streams. The secondary objectives of the monitoring were to (1) determine the characteristics and variability of water quality in impoundments and the relation to quantity and quality of inflow and outflow; (2) evaluate the potential for water-quality problems associated with algae, bacteria, and trace metals in proposed impoundments; (3) determine the quantity and variability of nonpoint-source loadings of sediment and nutrients at impoundment sites; and (4) determine sediment and nutrient retention by impoundments.

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