基于GIS技术的方便水库面源污染控制方案研究
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Study on control scheme for non-point source pollution in Fangbian Reservoir based on GIS technology
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    摘要:

    以南京市溧水区方便水库为研究对象,运用GIS技术并结合RS技术对整个汇水区域进行污染源的解析,确定污染关键因素以及重点污染区域,在此基础上,提出符合该水源地现状的最优保护方案。结果表明:在整个汇水区域中,耕地面积所占比例最大,且主要集中在青龙桥河、谢家棚河和西南村河3个水库主要来水河流流域内。青龙桥河和谢家棚河流域是污染负荷排放量最大的区域,其次是西村河和西南村河流域。在兼顾污染物去除率和成本的前提下,生态沟渠-生态塘技术是最优农田径流污染控制技术,其次为生态拦截缓冲带技术;生物接触氧化-人工湿地处理技术是农村生活污水最优控制技术。

    Abstract:

    Taking the Fangbian Reservoir in Lishui District of Nanjing as the research object, GIS technology, combined with RS technology, was applied to analyze the pollution source of the whole catchment and determine the key pollution factors and key pollution areas. And the optimal protection scheme was proposed based on the study. The results show that the main land-use type of the whole catchment is the cultivated land, which is mainly distributed in the sub-basins of Qinglongqiao River, Xiejiapeng River, and Xinancun River. The Qinglongqiao River and Xiejiapeng River sub-basins are the largest pollution load areas, followed by the Xicun River and Xinancun River sub-basins. Under the premise of considering pollutant removal rate and cost, the technology of ecological ditch and ecological pond is the best technology for the farmland runoff pollution control, followed by the technology of ecological interception buffer belt. Biological contact oxidation-artificial wetland treatment technology is the optimal control technology for rural domestic sewage.

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朱亮,刘畅,陈琳,等.基于GIS技术的方便水库面源污染控制方案研究[J].水资源保护,2018,34(1):50-57.(ZHU Liang, LIU Chang, CHEN Lin, et al. Study on control scheme for non-point source pollution in Fangbian Reservoir based on GIS technology[J]. Water Resources Protection,2018,34(1):50-57.(in Chinese))

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  • 收稿日期:2017-03-26
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  • 在线发布日期: 2018-01-22
  • 出版日期: 2018-01-20