1963—2022年西北地区中西部干旱演变特征及植被响应研究

苏天鑫, 孟宪红, 杨显玉, 安颖颖, 赵采玲

Drought evolution characteristics and vegetation response in the midwestern region of northwest China from 1963 to 2022

SU Tianxin, MENG Xianhong, YANG Xianyu, AN Yingying, ZHAO Cailing

表4 西北地区中西部2003—2022年NDVI年均值统计

Tab.4 Annual average statistics of NDVI in the midwestern region of northwest China from 2003 to 2022

NDVI均值 像元个数 百分比/% <0.1 18 928 780 41.06 ~0.1<0.2 9 231 039 20.02 ~0.2<0.3 3 847 051 8.35 ~0.3<0.4 2 606 813 5.65 ~0.4<0.95 11 484 042 24.92