Improving terrestrial solar-induced chlorophyll fluorescence (SIF) reconstruction through multi-satellite-derived SIF integration: a comparative study in regional scale - Mengting Pan; Xiaofeng Lin; Zhongyong Xiao; Fei Wang; Lifeng Guo; Cuiping Wang; Jinghan Xie; Jingchun Fang (International Journal of Remote Sensing, 2025)