Quantitative Evaluation of Leaf Inclination Angle Distribution on Leaf Area Index Retrieval of Coniferous Canopies
G-functions computed from inventory data and 3D tree models. (a) Inventory data of 23 trees of two tree species: Järvselja Scots Pine and Ofenpass Mountain Pine. (b) Three-dimensional (3D) tree models of 71 trees of 13 species (details in Table 3). The blue dashed lines represent and , with a % deviation from ; the vertical red dashed lines show the range of G-function values for two brackets of view zenith angles of (40°, 70°) and (45°, 65°).