par2ppfd.Rdconvert PAR to PPFD
par2ppfd(watts)
| watts | PAR (W / m2) |
|---|
PPFD (umol / m2 / s)
Converts photosynthetically active radiation (PAR, units of Watts / m2) to photosynthetic photon flux density (PPFD) in units of umol / m2 / s From Campbell and Norman p151 PPFD = PAR * (J/m2/s) * (1 mol / 2.35e5 J) 2.35e5 J / mol is the energy content of solar radiation in the PAR waveband