Unveiling fDOM dynamics in shallow lakes via a coupled “spectral-thermal” XGBoost-SHAP retrieval framework: Implications for water diversion management in Lake Honghu - Kai Yu; Yun Du; Wei Liao; Baoyin He; Fei Xiao; Xiaodong Li; Yan Ye; Yadong Zhou; Yiming Shen; Fan Yang; Xueer Geng; Qi Feng (Environmental Research, 2026)