Nonlinear propagation of meteorological to agricultural droughts on the Mongolian Plateau: Probabilities, thresholds, and drivers - Li Mei; Han Aru; Siqin Tong; Yongfang Wang; Enliang Guo; Xiulian Bai; Altantuya Dorjsuren; Jinyuan Ren; Shan Yin; Yuhai Bao (Global and Planetary Change, 2026)