河西走廊酒东沙地风沙沉积物理化特征及其环境意义

郭雪阳, 杨林海, 程良清, 胡光印, 胡菁菁

Physical and chemical characteristics of aeolian sands in Jiudong Sandy Land of Hexi Corridor and its environmental significance

Xueyang Guo, Linhai Yang, Liangqing Cheng, Guangyin Hu, Jingjing Hu

图2 酒东沙地表层风沙沉积物粒级级配（A）及自北向南（B）和自西向东（C：沙地腹地，D：沙地南缘）的粒度变化特征

Fig.2 Gradation of aeolian sand sediments on the surface of Jiudong Sandy Land （A）， grain size variation characteristics from north to south （B） and from west to east （C： hinterland of the sandy land， D： south edge of the sandy land）