无定河上游河道对沙漠化的阻截效应

颜明, 张应华, 贺莉, 程维明, 王随继, 许炯心

Blocking effect of upper reaches of Wuding River on desertification

Ming Yan, Yinghua Zhang, Li He, Weiming Cheng, Suiji Wang, Jiongxin Xu

图2 无定河流域的地貌类型空间分布

Fig.2 Spatial distribution of geomorphic types in Wuding River Basin