Improving Surface Soil Moisture Estimation Through Assimilating Satellite Land Surface Temperature With a Linear SM-LST Relationship. - Jiaxin Tian; Hui Lu 003; Kun Yang 004; Jun Qin; Long Zhao; Yaozhi Jiang; Pengfei Shi; Xiaogang Ma 004; Jianhong Zhou (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2023)