基于NDVI-LST模型的四川攀西地区近20 a干旱演变特征

刘兴忠, 胡春, 何超, 何国平, 马骁, 姜绪彬

Evolution characteristics of drought in the Panzhihua and Liangshan regions of Sichuan Province based on NDVI-LST model in the past 20 years

LIU Xingzhong, HU Chun, HE Chao, HE Guoping, MA Xiao, JIANG Xubin

图6 2003—2022年攀西地区TVDI变异系数空间分布（a）及干旱重心变化（b）

Fig.6 Spatial distribution of TVDI coefficient of variation （a） and the drought center variation （b） during 2003-2022 in the Panzhihua and Liangshan regions