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数字高程模型(DEM)的空间分辨率对地形分类的影响 被引量:1

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摘要 地形的划分种类与DEM空间分辨率息息相关。文章以50m、400m格网间距的DEM为例,发现其对应的地形分类各不相同。其中,前者的类型数目达6~8种,而后者仅为3~6种,可见最佳的地形分类总是对应着一定的空间分辨率。为了进行更为详尽的地学分析,需要以高分辨率的DEM为基础。
出处 《大众科技》 2009年第1期91-92,共2页 Popular Science & Technology
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