Spatial Downscaling of GRACE Data Based on XGBoost Model for Improved Understanding of Hydrological Droughts in the Indus Basin Irrigation System (IBIS). - Shoaib Ali; Behnam Khorrami; Muhammad Jehanzaib; Aqil Tariq; Muhammad Ajmal; Arfan Arshad; Muhammad Shafeeque; Adil Dilawar; Iqra Basit; Liangliang Zhang; Samira Sadri; Muhammad Ahmad Niaz; et al. (Remote. Sens., 2023)