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基于DEM的河流实体化研究 被引量:3

Research on Building River Entity Based on DEM
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摘要 针对当前基础地理信息面向实体化的要求,以数字高程模型为基础,通过对其预处理、流向判别和集水区域获取等过程自动生成栅格河流网;然后进行实体信息提取和主支流自动判别,最终完成对水系河流的实体化。在完成实体化的过程中,同时完成各个河流实体单元的信息提取,如实体长度、高差和集水面积等。
出处 《测绘通报》 CSCD 北大核心 2006年第3期31-33,51,共4页 Bulletin of Surveying and Mapping
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参考文献8

  • 1沈涛,苏山舞.基于DEM的河流多尺度显示研究[J].测绘科学,2003,28(2):20-22. 被引量:9
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二级参考文献12

  • 1[1]Band, L E. Topographic partition of watersheds with digital elevation models[J]. Water Resources Research, 1986,22[1]: 15-24.
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