陕西延河流域地貌组合类型的模糊聚类划分

Division of grouped landforms by Fuzzy cluster analysis in Yanhe basin of Shaanxi province

选用沟谷密度、切割深度、坡度特征值、相对高度及平均侵蚀模数等指标，利用模糊聚类的方法，对延河流域黄土地貌组合类型进行了划分．分析说明了黄土地貌组合的特点。

Based on the five related indexes, the loess landforms are divided into some districts of similar type by fuzzy cluster analysis. Then, the characteristics of landforms in each divided district has been evaluated for the control of soil erosion in the area.