The variability and seasonality in the ratio of photosynthetically active radiation to solar radiation: A simple empirical model of the ratio.
Tomoko AkitsuKenlo Nishida NasaharaOsamu IjimaYasuo HiroseReiko IdeKentaro TakagiAtsushi KumePublished in: Int. J. Appl. Earth Obs. Geoinformation (2022)