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ArcGis9.0中基于DEM的水文信息提取方法 被引量:39

Extraction of hydrological information from digital elevation model with ArcGis 9.0
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摘要 文中详细介绍了ArcG is 9.0中的水文分析工具箱的使用方法,包括从原始DEM数据提取河网的步骤、应注意的问题,DEM数据的快速裁剪,不同精度DEM数据拼接的方法和技巧。 The toolbox in ArcGis 9.0 for the analysis of the hydrological information is introduced in detail herein, which in- dudes the procedures of extracting river network from raw DEM data ; problems to be considered ; fast cutting method for DEM data; mosaic methods and technologies for DEM data with various precisions.
出处 《水利水电技术》 CSCD 北大核心 2005年第11期1-4,共4页 Water Resources and Hydropower Engineering
基金 国家自然科学基金项目(50221903)
关键词 ARCGIS 9.0 DEM 栅格数据 河网 水文信息 数据提取 拼接 ArcGis 9. 0 DEM raster data river network hydrological information data extraction mosaic
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