Assessing the Effects of Spatial Scales on Regional Evapotranspiration Estimation by the SEBAL Model and Multiple Satellite Datasets: A Case Study in the Agro-Pastoral Ecotone, Northwestern China. - Xuliang Li 007; Xuefeng Xu; Xuejin Wang; Shaoyuan Xu; Wei Tian; Jie Tian; Chansheng He (Remote. Sens., 2021)