Leaf age and canopy structure co-dominant canopy spectral signatures and photosynthesis: A case study in sub-tropical evergreen forests

Qiaoli Wu1, Conghe Song2, Jinling Song1, Jindi Wang1, Shaoyuan Chen1 and Lei Yang1, (1)Beijing Normal University, Faculty of Geographical Science, Beijing, China, (2)University of North Carolina at Chapel Hill, Department of Geography, Chapel Hill, NC, United States