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19 西北地区2020年与2000年3—5月平均NDVI差值分布
Fig.19 Distribution of the difference between 2020 and 2000 of average NDVI from March to May in Northwest of China