Multi-sensor and multi-platform retrieval of water chlorophyll a concentration in karst wetlands using transfer learning frameworks with ASD, UAV, and Planet CubeSate reflectance data - Bolin Fu; Sunzhe Li; Zhinan Lao; Bingyan Yuan; Yiyin Liang; Wen He; Weiwei Sun; Hongchang He (Science of The Total Environment, 2023)