Deciphering spatial pattern and environmental drivers of deep soil moisture security: insights from integrating spatial non-stationarity in large-scale analysis - Yongping Tong; Yunqiang Wang; Zimin Li; Pingping Zhang; Wei Hu; Jingxiong Zhou; Xiangyu Guo; Hui Sun; Alexis Comber; Ronny Lauerwald (CATENA, 2025)