RT Journal T1 Vegetation change and its response to drought in Inner Mongolia of northern China from 1998 to 2013 A1 ShuLin Liu,Tao Wang,WenPing Kang,ZiChen Guo,XueQin Zhang PB Sciences in Cold and Arid Regions FD 2019-12-31 YR 2019 JF Sciences in Cold and Arid Regions JO Sciences in Cold and Arid Regions VO 11 IS 6 SP 448 DO 10.3724/SP.J.1226.2019.00448. K1 ;vegetation change;drought;SPOT NDVI;SPEI;Inner Mongolia LK {http://www.scar.ac.cn/EN/article/article_291.shtml}