Downscaling Sentinel-3 Chlorophyll-a Concentration for Inland Lakes Based on Multivariate Analysis and Gradient Boosting Decision Trees Regression. - Simin Zhang; Nanfeng Liu; Ming Luo 010; Tao Jiang; Ting On Chan; Cynthia Sin Ting Yau; Yeran Sun (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2023)