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长江流域污染负荷核算及来源分析

乔飞 孟伟 郑丙辉 雷坤 周刚 李子成

乔飞, 孟伟, 郑丙辉, 雷坤, 周刚, 李子成. 长江流域污染负荷核算及来源分析[J]. 环境科学研究, 2013, 26(1): 80-87.
引用本文: 乔飞, 孟伟, 郑丙辉, 雷坤, 周刚, 李子成. 长江流域污染负荷核算及来源分析[J]. 环境科学研究, 2013, 26(1): 80-87.
QIAO Fei, MENG Wei, ZHENG Bing-hui, LEI Kun, ZHOU Gang, LI Zi-cheng. Pollutant Accounting and Source Analyses in the Yangtze River Basin[J]. Research of Environmental Sciences, 2013, 26(1): 80-87.
Citation: QIAO Fei, MENG Wei, ZHENG Bing-hui, LEI Kun, ZHOU Gang, LI Zi-cheng. Pollutant Accounting and Source Analyses in the Yangtze River Basin[J]. Research of Environmental Sciences, 2013, 26(1): 80-87.

长江流域污染负荷核算及来源分析

基金项目: 国家水体污染控制与治理科技重大专项(2012ZX07503-002)

Pollutant Accounting and Source Analyses in the Yangtze River Basin

  • 摘要: 为研究长江流域污染物输出的时空变化特征和来源,将长江流域划分为114个排污单元,195个纳污河段,应用污染物“产生-排放-入河-消减-输出”模型,结合长江流域2004—2007年的社会经济、水文监测资料,利用朱坨、寸滩、宜昌、大通4个监测断面2004—2007年逐月的水量和水质数据,通过连续演算核算长江流域各河段的污染物输出过程,进行区间污染物输出平衡分析,估算出姚港断面污染物输出过程. 结果表明,各断面计算数据与实测数据相对误差不超过20%,模型及参数组合的可靠性较好. 点源对CODMn输出贡献较大,占56.4%;非点源对TN、TP的贡献大,分别占74.3%和92.1%. 从污染物输出分布来看,江西、四川、湖南、湖北四省占流域污染物输出总量的60%以上,贡献率较大,是流域污染物输出的重要区域.

     

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出版历程
  • 收稿日期:  2012-09-13
  • 修回日期:  2012-11-19
  • 刊出日期:  2013-01-25

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