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中文摘要：
坡度提取时由于DEM本身特性,坡度不可能作为连续变量提取存储.现在传统的做法是按照需要将坡度分类,然后统计分析,找到不同分辨率的DEM提取坡度的转换方式.在不同分辨率提取坡度研究中,一般做法是采集大量数据,然后做归纳,得到需要的结论;如果先进行演绎推理,建立数学模型,不同分辨率坡谱转化将不依赖于某种具体地形.本文的方法是先按照地形的本身特性建立模型,然后用实际采集的数据进行检验,找到可行之处和不足之处,为以后的更进一步研究提供参考.
英文摘要：
坡度提取时由于DEM本身特性,坡度不可能作为连续变量提取存储.现在传统的做法是按照需要将坡度分类,然后统计分析,找到不同分辨率的DEM提取坡度的转换方式.在不同分辨率提取坡度研究中,一般做法是采集大量数据,然后做归纳,得到需要的结论;如果先进行演绎推理,建立数学模型,不同分辨率坡谱转化将不依赖于某种具体地形.本文的方法是先按照地形的本身特性建立模型,然后用实际采集的数据进行检验,找到可行之处和不足之处,为以后的更进一步研究提供参考.
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