clm5.0/src_clm40/main/CNiniSpecial.F90
2025-01-12 20:48:10 +08:00

224 lines
7.1 KiB
Fortran

!-----------------------------------------------------------------------
!BOP
!
! !IROUTINE: CNiniSpecial
!
! !INTERFACE:
subroutine CNiniSpecial ()
!
! !DESCRIPTION:
! One-time initialization of CN variables for special landunits
!
! !USES:
use shr_kind_mod, only: r8 => shr_kind_r8
use pftvarcon , only: noveg
use decompMod , only: get_proc_bounds
use clm_varcon , only: spval
use clm_varctl , only: iulog, use_c13, use_cn
use clmtype
use CNSetValueMod
!
! !ARGUMENTS:
implicit none
!
! !CALLED FROM:
! subroutine iniTimeConst in file iniTimeConst.F90
!
! !REVISION HISTORY:
! 11/13/03: Created by Peter Thornton
!
!
! local pointers to implicit in arguments
!
integer , pointer :: clandunit(:) ! landunit index of corresponding column
integer , pointer :: plandunit(:) ! landunit index of corresponding pft
logical , pointer :: ifspecial(:) ! BOOL: true=>landunit is wetland,ice,lake, or urban
!
! local pointers to implicit out arguments
!
! !LOCAL VARIABLES:
!EOP
integer :: fc,fp,l,c,p ! indices
integer :: begp, endp ! per-clump/proc beginning and ending pft indices
integer :: begc, endc ! per-clump/proc beginning and ending column indices
integer :: begl, endl ! per-clump/proc beginning and ending landunit indices
integer :: begg, endg ! per-clump/proc gridcell ending gridcell indices
integer :: num_specialc ! number of good values in specialc filter
integer :: num_specialp ! number of good values in specialp filter
integer, allocatable :: specialc(:) ! special landunit filter - columns
integer, allocatable :: specialp(:) ! special landunit filter - pfts
!-----------------------------------------------------------------------
! assign local pointers at the landunit level
ifspecial => lun%ifspecial
! assign local pointers at the column level
clandunit => col%landunit
! assign local pointers at the pft level
plandunit => pft%landunit
! Determine subgrid bounds on this processor
call get_proc_bounds(begg, endg, begl, endl, begc, endc, begp, endp)
! allocate special landunit filters
allocate(specialc(endc-begc+1))
allocate(specialp(endp-begp+1))
! fill special landunit filters
num_specialc = 0
do c = begc, endc
l = clandunit(c)
if (ifspecial(l)) then
num_specialc = num_specialc + 1
specialc(num_specialc) = c
end if
end do
num_specialp = 0
do p = begp, endp
l = plandunit(p)
if (ifspecial(l)) then
num_specialp = num_specialp + 1
specialp(num_specialp) = p
end if
end do
! initialize column-level fields
call CNSetCps(num_specialc, specialc, spval, cps)
call CNSetCcs(num_specialc, specialc, 0._r8, ccs)
call CNSetCns(num_specialc, specialc, 0._r8, cns)
call CNSetCcf(num_specialc, specialc, 0._r8, ccf)
call CNSetCnf(num_specialc, specialc, 0._r8, cnf)
if (use_c13) then
! 4/14/05: PET
! adding isotope code
call CNSetCcs(num_specialc, specialc, 0._r8, cc13s)
call CNSetCcf(num_specialc, specialc, 0._r8, cc13f)
endif
! initialize column-average pft fields
call CNSetPps(num_specialc, specialc, spval, pps_a)
call CNSetPcs(num_specialc, specialc, 0._r8, pcs_a)
call CNSetPns(num_specialc, specialc, 0._r8, pns_a)
call CNSetPcf(num_specialc, specialc, 0._r8, pcf_a)
call CNSetPnf(num_specialc, specialc, 0._r8, pnf_a)
! initialize pft-level fields
call CNSetPepv(num_specialp, specialp, spval, pepv)
call CNSetPps(num_specialp, specialp, spval, pps)
call CNSetPcs(num_specialp, specialp, 0._r8, pcs)
call CNSetPns(num_specialp, specialp, 0._r8, pns)
call CNSetPcf(num_specialp, specialp, 0._r8, pcf)
call CNSetPnf(num_specialp, specialp, 0._r8, pnf)
if (use_c13) then
! 4/14/05: PET
! adding isotope code
call CNSetPcs(num_specialp, specialp, 0._r8, pc13s)
call CNSetPcf(num_specialp, specialp, 0._r8, pc13f)
endif
! now loop through special filters and explicitly set the variables that
! have to be in place for SurfaceAlbedo and biogeophysics
! also set pcf%psnsun and pcf%psnsha to 0 (not included in CNSetPcf())
do fp = 1,num_specialp
p = specialp(fp)
pps%tlai(p) = 0._r8
pps%tsai(p) = 0._r8
pps%elai(p) = 0._r8
pps%esai(p) = 0._r8
pps%htop(p) = 0._r8
pps%hbot(p) = 0._r8
pps%fwet(p) = 0._r8
pps%fdry(p) = 0._r8
pps%frac_veg_nosno_alb(p) = 0._r8
pps%frac_veg_nosno(p) = 0._r8
pcf%psnsun(p) = 0._r8
pcf%psnsha(p) = 0._r8
if (use_c13) then
! 4/14/05: PET
! Adding isotope code
pc13f%psnsun(p) = 0._r8
pc13f%psnsha(p) = 0._r8
endif
end do
do fc = 1,num_specialc
c = specialc(fc)
pcf_a%psnsun(c) = 0._r8
pcf_a%psnsha(c) = 0._r8
if (use_c13) then
! 8/17/05: PET
! Adding isotope code
pcf_a%psnsun(c) = 0._r8
pcf_a%psnsha(c) = 0._r8
endif
! adding dynpft code
ccs%seedc(c) = 0._r8
ccs%prod10c(c) = 0._r8
ccs%prod100c(c) = 0._r8
ccs%totprodc(c) = 0._r8
if (use_c13) then
cc13s%seedc(c) = 0._r8
cc13s%prod10c(c) = 0._r8
cc13s%prod100c(c) = 0._r8
cc13s%totprodc(c) = 0._r8
endif
cns%seedn(c) = 0._r8
cns%prod10n(c) = 0._r8
cns%prod100n(c) = 0._r8
cns%totprodn(c) = 0._r8
ccf%dwt_seedc_to_leaf(c) = 0._r8
ccf%dwt_seedc_to_deadstem(c) = 0._r8
ccf%dwt_conv_cflux(c) = 0._r8
ccf%dwt_prod10c_gain(c) = 0._r8
ccf%prod10c_loss(c) = 0._r8
ccf%dwt_prod100c_gain(c) = 0._r8
ccf%prod100c_loss(c) = 0._r8
ccf%dwt_frootc_to_litr1c(c) = 0._r8
ccf%dwt_frootc_to_litr2c(c) = 0._r8
ccf%dwt_frootc_to_litr3c(c) = 0._r8
ccf%dwt_livecrootc_to_cwdc(c) = 0._r8
ccf%dwt_deadcrootc_to_cwdc(c) = 0._r8
ccf%dwt_closs(c) = 0._r8
ccf%landuseflux(c) = 0._r8
ccf%landuptake(c) = 0._r8
if (use_c13) then
cc13f%dwt_seedc_to_leaf(c) = 0._r8
cc13f%dwt_seedc_to_deadstem(c) = 0._r8
cc13f%dwt_conv_cflux(c) = 0._r8
cc13f%dwt_prod10c_gain(c) = 0._r8
cc13f%prod10c_loss(c) = 0._r8
cc13f%dwt_prod100c_gain(c) = 0._r8
cc13f%prod100c_loss(c) = 0._r8
cc13f%dwt_frootc_to_litr1c(c) = 0._r8
cc13f%dwt_frootc_to_litr2c(c) = 0._r8
cc13f%dwt_frootc_to_litr3c(c) = 0._r8
cc13f%dwt_livecrootc_to_cwdc(c) = 0._r8
cc13f%dwt_deadcrootc_to_cwdc(c) = 0._r8
cc13f%dwt_closs(c) = 0._r8
endif
cnf%dwt_seedn_to_leaf(c) = 0._r8
cnf%dwt_seedn_to_deadstem(c) = 0._r8
cnf%dwt_conv_nflux(c) = 0._r8
cnf%dwt_prod10n_gain(c) = 0._r8
cnf%prod10n_loss(c) = 0._r8
cnf%dwt_prod100n_gain(c) = 0._r8
cnf%prod100n_loss(c) = 0._r8
cnf%dwt_frootn_to_litr1n(c) = 0._r8
cnf%dwt_frootn_to_litr2n(c) = 0._r8
cnf%dwt_frootn_to_litr3n(c) = 0._r8
cnf%dwt_livecrootn_to_cwdn(c) = 0._r8
cnf%dwt_deadcrootn_to_cwdn(c) = 0._r8
cnf%dwt_nloss(c) = 0._r8
end do
! deallocate special landunit filters
deallocate(specialc)
deallocate(specialp)
end subroutine CNiniSpecial