The effect of canopy structure on photochemical reflectance signal

  • Matti Mõttus University of Helsinki
  • Miina Rautiainen University of Helsinki
Keywords: photon recollision probability, canopy structure, PRI, Scots pine


We measured the angular distribution of spectral scattering properties of Scots pine shoots. We were able to scale the photochemical reflectance index (PRI) between two canopy structural levels using photon recollision probability. We found non-negligible anisotropy in shoot PRI possibly caused by reflectance of the needle wax coating.

Author Biographies

Matti Mõttus, University of Helsinki
Department of Geosciences and Geography
Miina Rautiainen, University of Helsinki
Department of Forest Sciences
4A Structural development of plants and light environment