Soil water infiltration under thickening unsaturated zone: patterns, mechanisms, and quantitative formula - Kuan Liu; Jiaqi Zhai; Yong Zhao; Qingming Wang; Hao Wang; Jipeng Cao; Xudong Li; Yuansheng Pei; Leilei Min; Lichuan Wang; Haodong Deng; Xing Li; et al. (Journal of Hydrology, 2025)