Leaf area index retrieval with ICESat-2 photon counting LiDAR. - Jie Zhang 117; Jinyan Tian; Xiaojuan Li 001; Le Wang; Beibei Chen; Huili Gong; Rongguang Ni; Bingfeng Zhou; Cankun Yang (Int. J. Appl. Earth Obs. Geoinformation, 2021)