Merge branch '15-add-5-bands-traqsr-scheme-description' into 'main'

Update file namtra_qsr

See merge request !2

namtra_qsr

@@ -4,12 +4,14 @@
    !                       !  type of penetration                        (default: NO selection)
    ln_qsr_rgb  = .false.      !  RGB light penetration (Red-Green-Blue)
    ln_qsr_2bd  = .false.      !  2BD light penetration (two bands)
+   ln_qsr_5bd  = .false.      !  5BD light penetration (IR-Red-Green-Blue-UV)
    ln_qsr_bio  = .false.      !  bio-model light penetration
    !                       !  RGB & 2BD choices:
    rn_abs      =   0.58       !  RGB & 2BD: fraction absorbed in the very near surface
    rn_si0      =   0.35       !  RGB & 2BD: shortess depth of extinction
    nn_chldta   =      0       !  RGB : Chl data (=1) or cst value (=0)
    rn_si1      =   23.0       !  2BD : longest depth of extinction
+   rn_par      =   0.47       !  5BD : fraction of photosynthetically active radiation
 
    cn_dir      = './'      !  root directory for the chlorophyl data location
    !___________!_________________________!___________________!___________!_____________!________!___________!__________________!__________!_______________!