In Situ Observation-Constrained Global Surface Soil Moisture Using Random Forest Model Zhang, Lijie ; Zeng, Yijian ; Zhuang, Ruodan ; Szabó, Brigitta ; Manfreda, Salvatore ; Han, Qianqian ; Su, Zhongbo Abstract Publication: Remote Sensing Pub Date: December 2021 DOI: 10.3390/rs13234893 Bibcode: 2021RemS...13.4893Z