河西走廊流水型遗迹沙丘的辨识特征与形成模式
隋文舒, 陈颢, 肖锋军, 胡光印, 董治宝

Identification characteristics and formation model of fluvial ghost dunes in Hexi Corridor
Wenshu Sui, Hao Chen, Fengjun Xiao, Guangyin Hu, Zhibao Dong
图4 流水型遗迹沙丘剖面4的粒级级配和粒度频率分布曲线
Fig.4 Grain gradation and natural frequency distribution of grain size of profile No.4 of fluvial ghost dune