以砖窑沟流域为例,采用航片解译、实地调查和基于GIS的统计分析相结合的方法,分析各种土地利用类型和地形因子的关系,研究黄土丘陵沟壑区小流域土地利用的空间分布格局。结果表明,基于像元的土地利用类型与坡度、坡向和海拔关系的分析是从数量上准确剖析土地利用地形分布特征的有效方法,对于黄土丘陵沟壑区土地利用的合理性具有指导意义。
Based aerial photo interpretation, fieM survey and statistical analysis by GIS. The spatial distribution of land use and its relation to several terrain indices are studied in Zhuanyaogou watershed (29km^2 ) in the Hilly Area of Loess Plateau in China. The results show that analysis of land use and its relation to slope, aspect and elevation based grid cells is a available method for quantitative analysis about topography distribution characteristics of land use. The study is very useful to land use of the Loess Plateau.