Monitoring phenology of photosynthesis in temperate evergreen and mixed deciduous forests using the normalized difference vegetation index (NDVI) and the photochemical reflectance index (PRI) at leaf and canopy scales

Christopher Wong, University of Toronto, Toronto, ON, Canada, Muhammad Altaf Arain, McMaster University, School of Geography and Earth Sciences, Hamilton, ON, Canada and Ingo Ensminger, University of Toronto Mississauga, Department of Biology, Mississauga, ON, Canada