中国西北干旱区典型泥漠地表粒度与矿物组成特征及抗风蚀能力
江艳冰, 谭立海, 王洪涛, 周倩, 安志山

Grain sizemineral compositionand wind erosion resistance of typical dry playas in the arid region of Northwestern China
Yanbing Jiang, Lihai Tan, Hongtao Wang, Qian Zhou, Zhishan An
表1 USDA粒度划分及其粒径μmΦ值对照
Table 1 USDA particle size classification and comparison table with μm and Φ values
颗粒类型粒径/Φ粒径/μm
砾石<-1>2 000
极粗砂0~-11 000~2 000
粗砂1~0500~1 000
中砂2~1250~500
细砂3.32~2100~250
极细砂4.32~3.3250 ~100
粉砂8.96~4.322~50
黏土>8.96<2