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New allometry option for storage #959

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Jan 30, 2023
Merged

New allometry option for storage #959

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40cd06b
New option allometry for storage.
mpaiao Dec 4, 2022
e27dd99
Added comments on the different allom_stmode flags.
mpaiao Jan 23, 2023
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11 changes: 8 additions & 3 deletions biogeochem/FatesAllometryMod.F90
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Expand Up @@ -1085,10 +1085,10 @@ subroutine bstore_allom(d,ipft,crowndamage, canopy_trim,bstore,dbstoredd)

real(r8) :: bl ! Allometric target leaf biomass
real(r8) :: dbldd ! Allometric target change in leaf biomass per cm
real(r8) :: blmax ! Allometric target leaf biomass (UNTRIMMED)
real(r8) :: dblmaxdd ! Allometric target change in leaf biomass per cm (UNTRIMMED)


! TODO: allom_stmode needs to be added to the parameter file

associate( allom_stmode => prt_params%allom_stmode(ipft), &
cushion => prt_params%cushion(ipft) )

Expand All @@ -1098,7 +1098,12 @@ subroutine bstore_allom(d,ipft,crowndamage, canopy_trim,bstore,dbstoredd)

call bleaf(d,ipft, crowndamage, canopy_trim, bl, dbldd)
call bstore_blcushion(d,bl,dbldd,cushion,ipft,bstore,dbstoredd)


case(2) ! Storage is constant proportionality of untrimmed maximum leaf
! biomass (ie cushion * bleaf_max)
call blmax_allom(d,ipft,blmax,dblmaxdd)
call bstore_blcushion(d,blmax,dblmaxdd,cushion,ipft,bstore,dbstoredd)

case DEFAULT
write(fates_log(),*) 'An undefined fine storage allometry was specified: ', &
allom_stmode
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2 changes: 1 addition & 1 deletion parameter_files/fates_params_default.cdl
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Expand Up @@ -148,7 +148,7 @@ variables:
fates_allom_smode:long_name = "sapwood allometry function index." ;
double fates_allom_stmode(fates_pft) ;
fates_allom_stmode:units = "index" ;
fates_allom_stmode:long_name = "storage allometry function index." ;
fates_allom_stmode:long_name = "storage allometry function index: 1) Storage proportional to leaf biomass (with trimming), 2) Storage proportional to maximum leaf biomass (not trimmed)" ;
double fates_allom_zroot_k(fates_pft) ;
fates_allom_zroot_k:units = "unitless" ;
fates_allom_zroot_k:long_name = "scale coefficient of logistic rooting depth model" ;
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6 changes: 5 additions & 1 deletion parteh/PRTParametersMod.F90
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Expand Up @@ -98,7 +98,11 @@ module PRTParametersMod
real(r8), allocatable :: allom_amode(:) ! AGB allometry function type
real(r8), allocatable :: allom_cmode(:) ! Coarse root allometry function type
real(r8), allocatable :: allom_smode(:) ! sapwood allometry function type
real(r8), allocatable :: allom_stmode(:) ! storage allometry functional type
real(r8), allocatable :: allom_stmode(:) ! storage allometry functional type
! 0 - storage is proportional to maximum leaf biomass
! (considering trimmed)
! 1 - storage is proportional to maximum leaf biomass
! (untrimmed)
! (HARD-CODED FOR TIME BEING, RGK 11-2017)
real(r8), allocatable :: allom_la_per_sa_int(:) ! Leaf area to sap area conversion, intercept
! (sapwood area / leaf area) [cm2/m2]
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