IndexRundeck: P1SoM40Created: Mon May 20 03:30:15 EDT 2024

canopy_rad

Module: BIOPHYSICS
File: canopyspitters.f
Summary: Calculate PAR on sunlit and shaded foliage in layer Lc
Author :
Version:

Declaration:
Variables:
lc : real*8, intent(in)

isla : real*8, intent(out)
PAR absorbed by sunlit foliage at Lc (umol/m[foliage]2/s).
crp : type(canraddrv)

isha : real*8, intent(out)
PAR absorbed by shaded foliage at Lc (umol/m[foliage]2/s).
fsl : real*8, intent(out)
Fraction of sunlit foliage in layer at Lc (unitless).
sbeta : real*8

idfa : real*8
Diffuse PAR in canopy at Lc (umol/m[ground]2/s).
i0df : real*8

i0dr : real*8

idra : real*8
Direct PAR in canopy at Lc (umol/m[ground]2/s).
idrdra : real*8
Direct PAR at Lc that remains direct (umol/m[ground]2/s).
zero : real*8, parameter
Initial Value = 0.d0
ish : real*8

isl : real*8

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