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Zoning and delimitation of water source conservation areas based on DEM in Jiaokou and Zhougongzhai reservoirs in Ningbo City
Author(s): XIANG Lu, FENG Xiu-li, WANG Kan, CAO Hao
Pages: 83-
86
Year: 2012
Issue:
5
Journal: Water Resources Protection
Keyword: 数字高程模型(DEM); 水库水源保护区; 划区定界; 水文; 皎口—周公宅水库; 宁波市;
Abstract: 根据宁波市水库饮用水水源地的环境现状,以宁波市皎口水库和周公宅水库为例,采用空间分辨率为5m的数字高程模型(DEM),利用ArcGIS的水文分析模型,生成研究区流域盆地和集水流域的范围,初步划定保护区范围;同时,结合分辨率为0.5m的航测影像以及研究区自然和社会等多种数据,最终划定研究区饮用水水源一级、二级保护区的水域和陆域范围,为饮用水水源地保护工作提供参考.
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