20002020年中国西北地区区域性沙尘暴特征及成因
秦豪君, 杨晓军, 马莉, 王一丞, 傅朝, 张君霞, 陆正奇

Characteristics and causes of regional sandstorms in Northwest of China from 2000 to 2020
Haojun Qin, Xiaojun Yang, Li Ma, Yicheng Wang, Zhao Fu, Junxia Zhang, Zhengqi Lu
图7 2000—2020年3月(A)、4月(B)、5月(C)西北地区区域性沙尘暴总日数空间分布
Fig.7 Spatial distribution of total annual days of regional sandstorms in March (A), April (B), and May (C) in Northwestern of China from 2000 to 2020