洱海2005~2014年水质状况及变化分析 |
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引用本文: | 羊华. 洱海2005~2014年水质状况及变化分析[J]. 水利信息化, 2016, 0(1) |
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作者姓名: | 羊华 |
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作者单位: | 云南省水文水资源局大理分局 大理671000 |
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摘 要: | 以洱海湖区2005—2014年的水质监测资料为基础,运用内梅罗水污染指数法进行分析计算,结合湖泊富营养化状态,对洱海水质及这一段时间的变化趋势进行分析评价。评价结果表明,洱海水质处于清洁状态,保持在中营养状态,湖泊富营养化进程减缓,磷作为内梅罗指数最大贡献因子,成为影响洱海水质的主要污染物。洱海枯水期水质好于丰水期水质,污染以面源污染为主,洱海水环境保护工作取得成效。
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关 键 词: | 洱海 水质 内梅罗指数 变化分析 |
收稿时间: | 2015-12-18 |
修稿时间: | 2016-01-05 |
Erhai lake water quality situation and change analysis from 2005 to 2014 |
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Abstract: | on the basis of erhai lake water quality monitoring data of 2005-2014, using the nemerow index method for the analysis, combining with the state of lake eutrophication, the erhai lake water quality and the change trend of the time are analyzed. Evaluation results show that the erhai lake water quality in clean condition, keep in the nutritional status, the lake eutrophication process slow, phosphorus as nemerow index method within the largest contribution factor, become the main pollutants affecting the erhai lake water quality.Erhai lake, water quality in the plentiful water quality, pollution is given priority to with non-point source pollution, erhai lake water environmental protection work. |
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Keywords: | Erhai lake Water quality Nemerow index Change Analysis |
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