Drought evolution characteristics and driving factors on the Loess Plateau based on daily SPEI-30
LIU Wangwang, LIU Dan, ZHANG Jintong, LI Shuping, SHI Lijie
Journal of Arid Meteorology . 2026, (4): 540 -553 .  DOI: 10.11755/j.issn.1006-7639-2026-04-0540