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EDCohortDynamicsMod.F90
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EDCohortDynamicsMod.F90
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module EDCohortDynamicsMod
!
! !DESCRIPTION:
! Cohort stuctures in ED.
!
! !USES:
use FatesGlobals , only : endrun => fates_endrun
use FatesGlobals , only : fates_log
use FatesInterfaceTypesMod , only : hlm_freq_day
use FatesInterfaceTypesMod , only : bc_in_type
use FatesInterfaceTypesMod , only : hlm_use_planthydro
use FatesInterfaceTypesMod , only : hlm_use_sp
use FatesInterfaceTypesMod , only : hlm_use_cohort_age_tracking
use FatesInterfaceTypesMod , only : hlm_is_restart
use FatesConstantsMod , only : r8 => fates_r8
use FatesConstantsMod , only : fates_unset_int
use FatesConstantsMod , only : itrue,ifalse
use FatesConstantsMod , only : fates_unset_r8
use FatesConstantsMod , only : nearzero
use FatesConstantsMod , only : calloc_abs_error
use FatesRunningMeanMod , only : ema_lpa
use FatesInterfaceTypesMod , only : hlm_days_per_year
use FatesInterfaceTypesMod , only : nleafage
use SFParamsMod , only : SF_val_CWD_frac
use EDPftvarcon , only : EDPftvarcon_inst
use EDPftvarcon , only : GetDecompyFrac
use PRTParametersMod , only : prt_params
use FatesParameterDerivedMod, only : param_derived
use EDTypesMod , only : ed_site_type, ed_patch_type, ed_cohort_type
use EDTypesMod , only : nclmax
use PRTGenericMod , only : element_list
use FatesLitterMod , only : ncwd
use FatesLitterMod , only : ndcmpy
use FatesLitterMod , only : litter_type
use EDParamsMod , only : max_cohort_per_patch
use EDTypesMod , only : AREA
use EDTypesMod , only : min_npm2, min_nppatch
use EDTypesMod , only : min_n_safemath
use EDTypesMod , only : nlevleaf
use PRTGenericMod , only : max_nleafage
use EDTypesMod , only : ican_upper
use EDTypesMod , only : site_fluxdiags_type
use PRTGenericMod , only : num_elements
use EDParamsMod , only : ED_val_cohort_age_fusion_tol
use FatesInterfaceTypesMod , only : hlm_use_planthydro
use FatesInterfaceTypesMod , only : hlm_parteh_mode
use FatesPlantHydraulicsMod, only : FuseCohortHydraulics
use FatesPlantHydraulicsMod, only : CopyCohortHydraulics
use FatesPlantHydraulicsMod, only : UpdateSizeDepPlantHydProps
use FatesPlantHydraulicsMod, only : InitPlantHydStates
use FatesPlantHydraulicsMod, only : InitHydrCohort
use FatesPlantHydraulicsMod, only : DeallocateHydrCohort
use FatesPlantHydraulicsMod, only : AccumulateMortalityWaterStorage
use FatesPlantHydraulicsMod, only : UpdatePlantHydrNodes
use FatesPlantHydraulicsMod, only : UpdatePlantHydrLenVol
use FatesPlantHydraulicsMod, only : UpdatePlantKmax
use FatesPlantHydraulicsMod, only : SavePreviousCompartmentVolumes
use FatesPlantHydraulicsMod, only : ConstrainRecruitNumber
use FatesSizeAgeTypeIndicesMod, only : sizetype_class_index
use FatesSizeAgeTypeIndicesMod, only : coagetype_class_index
use FatesAllometryMod , only : bleaf
use FatesAllometryMod , only : bfineroot
use FatesAllometryMod , only : bsap_allom
use FatesAllometryMod , only : bagw_allom
use FatesAllometryMod , only : bbgw_allom
use FatesAllometryMod , only : bdead_allom
use FatesAllometryMod , only : h_allom
use FatesAllometryMod , only : carea_allom
use FatesAllometryMod , only : ForceDBH
use FatesAllometryMod , only : tree_lai, tree_sai
use FatesAllometryMod , only : set_root_fraction
use PRTGenericMod, only : prt_carbon_allom_hyp
use PRTGenericMod, only : prt_cnp_flex_allom_hyp
use PRTGenericMod, only : prt_vartypes
use PRTGenericMod, only : all_carbon_elements
use PRTGenericMod, only : carbon12_element
use PRTGenericMod, only : nitrogen_element
use PRTGenericMod, only : phosphorus_element
use PRTGenericMod, only : leaf_organ
use PRTGenericMod, only : fnrt_organ
use PRTGenericMod, only : sapw_organ
use PRTGenericMod, only : store_organ
use PRTGenericMod, only : repro_organ
use PRTGenericMod, only : struct_organ
use PRTGenericMod, only : SetState
use PRTAllometricCarbonMod, only : callom_prt_vartypes
use PRTAllometricCarbonMod, only : ac_bc_inout_id_netdc
use PRTAllometricCarbonMod, only : ac_bc_in_id_pft
use PRTAllometricCarbonMod, only : ac_bc_in_id_ctrim
use PRTAllometricCarbonMod, only : ac_bc_inout_id_dbh
use PRTAllometricCarbonMod, only : ac_bc_in_id_lstat
use PRTAllometricCNPMod, only : cnp_allom_prt_vartypes
use PRTAllometricCNPMod, only : acnp_bc_in_id_pft, acnp_bc_in_id_ctrim
use PRTAllometricCNPMod, only : acnp_bc_in_id_lstat, acnp_bc_inout_id_dbh
use PRTAllometricCNPMod, only : acnp_bc_inout_id_rmaint_def, acnp_bc_in_id_netdc
use PRTAllometricCNPMod, only : acnp_bc_in_id_netdnh4, acnp_bc_in_id_netdno3, acnp_bc_in_id_netdp
use PRTAllometricCNPMod, only : acnp_bc_out_id_cefflux, acnp_bc_out_id_nefflux
use PRTAllometricCNPMod, only : acnp_bc_out_id_pefflux
use PRTAllometricCNPMod, only : acnp_bc_out_id_nneed
use PRTAllometricCNPMod, only : acnp_bc_out_id_pneed
use shr_infnan_mod, only : nan => shr_infnan_nan, assignment(=)
! CIME globals
use shr_log_mod , only : errMsg => shr_log_errMsg
!
implicit none
private
!
public :: create_cohort
public :: zero_cohort
public :: nan_cohort
public :: terminate_cohorts
public :: terminate_cohort
public :: fuse_cohorts
public :: insert_cohort
public :: sort_cohorts
public :: copy_cohort
public :: count_cohorts
public :: InitPRTObject
public :: InitPRTBoundaryConditions
public :: SendCohortToLitter
public :: UpdateCohortBioPhysRates
public :: DeallocateCohort
public :: EvaluateAndCorrectDBH
logical, parameter :: debug = .false. ! local debug flag
character(len=*), parameter, private :: sourcefile = &
__FILE__
integer, parameter, private :: conserve_crownarea_and_number_not_dbh = 1
integer, parameter, private :: conserve_dbh_and_number_not_crownarea = 2
integer, parameter, private :: cohort_fusion_conservation_method = conserve_crownarea_and_number_not_dbh
! 10/30/09: Created by Rosie Fisher
!-------------------------------------------------------------------------------------!
contains
!-------------------------------------------------------------------------------------!
subroutine create_cohort(currentSite, patchptr, pft, nn, hite, coage, dbh, &
prt, status, recruitstatus,ctrim, carea, clayer, spread, bc_in)
!
! !DESCRIPTION:
! create new cohort
! There are 4 places this is called
! 1) Initializing new cohorts at the beginning of a cold-start simulation
! 2) Initializing new recruits during dynamics
! 3) Initializing new cohorts at the beginning of a inventory read
! 4) Initializing new cohorts during restart
!
! It is assumed that in the first 3, this is called with a reasonable amount of starter information.
!
! !USES:
!
! !ARGUMENTS
type(ed_site_type), intent(inout), target :: currentSite
type(ed_patch_type), intent(inout), pointer :: patchptr
integer, intent(in) :: pft ! Cohort Plant Functional Type
integer, intent(in) :: clayer ! canopy status of cohort
! (1 = canopy, 2 = understorey, etc.)
integer, intent(in) :: status ! growth status of plant
! (2 = leaves on , 1 = leaves off)
integer, intent(in) :: recruitstatus ! recruit status of plant
! (1 = recruitment , 0 = other)
real(r8), intent(in) :: nn ! number of individuals in cohort
! per 'area' (10000m2 default)
real(r8), intent(in) :: hite ! height: meters
real(r8), intent(in) :: coage ! cohort age in years
real(r8), intent(in) :: dbh ! dbh: cm
class(prt_vartypes),target :: prt ! The allocated PARTEH
! object
real(r8), intent(in) :: ctrim ! What is the fraction of the maximum
! leaf biomass that we are targeting?
real(r8), intent(in) :: spread ! The community assembly effects how
! spread crowns are in horizontal space
real(r8), intent(in) :: carea ! area of cohort ONLY USED IN SP MODE.
type(bc_in_type), intent(in) :: bc_in ! External boundary conditions
! !LOCAL VARIABLES:
type(ed_cohort_type), pointer :: new_cohort ! Pointer to New Cohort structure.
type(ed_cohort_type), pointer :: storesmallcohort
type(ed_cohort_type), pointer :: storebigcohort
integer :: iage ! loop counter for leaf age classes
real(r8) :: leaf_c ! total leaf carbon
integer :: tnull,snull ! are the tallest and shortest cohorts allocate
integer :: nlevrhiz ! number of rhizosphere layers
!----------------------------------------------------------------------
allocate(new_cohort)
call nan_cohort(new_cohort) ! Make everything in the cohort not-a-number
call zero_cohort(new_cohort) ! Zero things that need to be zeroed.
! Point to the PARTEH object
new_cohort%prt => prt
! The PARTEH cohort object should be allocated and already
! initialized in this routine.
call new_cohort%prt%CheckInitialConditions()
!**********************/
! Define cohort state variable
!**********************/
new_cohort%indexnumber = fates_unset_int ! Cohort indexing was not thread-safe, setting
! bogus value for the time being (RGK-012017)
new_cohort%patchptr => patchptr
new_cohort%pft = pft
new_cohort%status_coh = status
new_cohort%n = nn
new_cohort%hite = hite
new_cohort%dbh = dbh
new_cohort%coage = coage
new_cohort%canopy_trim = ctrim
new_cohort%canopy_layer = clayer
new_cohort%canopy_layer_yesterday = real(clayer, r8)
! This sets things like vcmax25top, that depend on the
! leaf age fractions (which are defined by PARTEH)
call UpdateCohortBioPhysRates(new_cohort)
call sizetype_class_index(new_cohort%dbh, new_cohort%pft, &
new_cohort%size_class,new_cohort%size_by_pft_class)
! If cohort age trackign is off we call this here once
! just so everythin is in the first bin -
! this makes it easier to copy and terminate cohorts later
! we don't need to update this ever if cohort age tracking is off
call coagetype_class_index(new_cohort%coage, new_cohort%pft, &
new_cohort%coage_class,new_cohort%coage_by_pft_class)
! This routine may be called during restarts, and at this point in the call sequence
! the actual cohort data is unknown, as this is really only used for allocation
! In these cases, testing if things like biomass are reasonable is pre-mature
! However, in this part of the code, we will pass in nominal values for size, number and type
if (new_cohort%dbh <= 0._r8 .or. new_cohort%n == 0._r8 .or. new_cohort%pft == 0 ) then
write(fates_log(),*) 'ED: something is zero in create_cohort', &
new_cohort%dbh,new_cohort%n, &
new_cohort%pft
call endrun(msg=errMsg(sourcefile, __LINE__))
endif
! Assign canopy extent and depth
if(hlm_use_sp.eq.ifalse)then
call carea_allom(new_cohort%dbh,new_cohort%n,spread,new_cohort%pft,new_cohort%c_area)
else
new_cohort%c_area = carea ! set this from previously precision-controlled value in SP mode
endif
! Query PARTEH for the leaf carbon [kg]
leaf_c = new_cohort%prt%GetState(leaf_organ,carbon12_element)
new_cohort%treelai = tree_lai(leaf_c, new_cohort%pft, new_cohort%c_area, &
new_cohort%n, new_cohort%canopy_layer, &
patchptr%canopy_layer_tlai,new_cohort%vcmax25top )
if(hlm_use_sp.eq.ifalse)then
new_cohort%treesai = tree_sai(new_cohort%pft, new_cohort%dbh, new_cohort%canopy_trim, &
new_cohort%c_area, new_cohort%n, new_cohort%canopy_layer, &
patchptr%canopy_layer_tlai, new_cohort%treelai,new_cohort%vcmax25top,2 )
end if
! Put cohort at the right place in the linked list
storebigcohort => patchptr%tallest
storesmallcohort => patchptr%shortest
if (associated(patchptr%tallest)) then
tnull = 0
else
tnull = 1
patchptr%tallest => new_cohort
endif
if (associated(patchptr%shortest)) then
snull = 0
else
snull = 1
patchptr%shortest => new_cohort
endif
call InitPRTBoundaryConditions(new_cohort)
! Allocate running mean functions
! (Keeping as an example)
!! allocate(new_cohort%tveg_lpa)
!! call new_cohort%tveg_lpa%InitRMean(ema_lpa,init_value=patchptr%tveg_lpa%GetMean())
! Recuits do not have mortality rates, nor have they moved any
! carbon when they are created. They will bias our statistics
! until they have experienced a full day. We need a newly recruited flag.
! This flag will be set to false after it has experienced
! growth, disturbance and mortality.
new_cohort%isnew = .true.
if( hlm_use_planthydro.eq.itrue ) then
nlevrhiz = currentSite%si_hydr%nlevrhiz
! This allocates array spaces
call InitHydrCohort(currentSite,new_cohort)
! zero out the water balance error
new_cohort%co_hydr%errh2o = 0._r8
! This calculates node heights
call UpdatePlantHydrNodes(new_cohort,new_cohort%pft, &
new_cohort%hite,currentSite%si_hydr)
! This calculates volumes and lengths
call UpdatePlantHydrLenVol(new_cohort,currentSite%si_hydr)
! This updates the Kmax's of the plant's compartments
call UpdatePlantKmax(new_cohort%co_hydr,new_cohort,currentSite%si_hydr)
! Since this is a newly initialized plant, we set the previous compartment-size
! equal to the ones we just calculated.
call SavePreviousCompartmentVolumes(new_cohort%co_hydr)
! This comes up with starter suctions and then water contents
! based on the soil values
call InitPlantHydStates(currentSite,new_cohort)
if(recruitstatus==1)then
new_cohort%co_hydr%is_newly_recruited = .true.
! If plant hydraulics is active, we must constrain the
! number density of the new recruits based on the moisture
! available to be subsumed in the new plant tissues.
! So we go through the process of pre-initializing the hydraulic
! states in the temporary cohort, to calculate this new number density
call ConstrainRecruitNumber(currentSite,new_cohort, bc_in)
endif
endif
call insert_cohort(new_cohort, patchptr%tallest, patchptr%shortest, tnull, snull, &
storebigcohort, storesmallcohort)
patchptr%tallest => storebigcohort
patchptr%shortest => storesmallcohort
end subroutine create_cohort
! -------------------------------------------------------------------------------------
subroutine InitPRTBoundaryConditions(new_cohort)
! Set the boundary conditions that flow in an out of the PARTEH
! allocation hypotheses. Each of these calls to "RegsterBC" are simply
! setting pointers.
! For instance, if the hypothesis wants to know what
! the DBH of the plant is, then we pass in the dbh as an argument (new_cohort%dbh),
! and also tell it which boundary condition we are talking about (which is
! defined by an integer index (ac_bc_inout_id_dbh)
!
! Again, elaborated Example:
! "ac_bc_inout_id_dbh" is the unique integer that defines the object index
! for the allometric carbon "ac" boundary condition "bc" for DBH "dbh"
! that is classified as input and output "inout".
! See PRTAllometricCarbonMod.F90 to track its usage.
! bc_rval is used as the optional argument identifyer to specify a real
! value boundary condition.
! bc_ival is used as the optional argument identifyer to specify an integer
! value boundary condition.
type(ed_cohort_type), intent(inout), target :: new_cohort
select case(hlm_parteh_mode)
case (prt_carbon_allom_hyp)
! Register boundary conditions for the Carbon Only Allometric Hypothesis
call new_cohort%prt%RegisterBCInOut(ac_bc_inout_id_dbh,bc_rval = new_cohort%dbh)
call new_cohort%prt%RegisterBCInOut(ac_bc_inout_id_netdc,bc_rval = new_cohort%npp_acc)
call new_cohort%prt%RegisterBCIn(ac_bc_in_id_pft,bc_ival = new_cohort%pft)
call new_cohort%prt%RegisterBCIn(ac_bc_in_id_ctrim,bc_rval = new_cohort%canopy_trim)
call new_cohort%prt%RegisterBCIn(ac_bc_in_id_lstat,bc_ival = new_cohort%status_coh)
case (prt_cnp_flex_allom_hyp)
call new_cohort%prt%RegisterBCIn(acnp_bc_in_id_pft,bc_ival = new_cohort%pft)
call new_cohort%prt%RegisterBCIn(acnp_bc_in_id_ctrim,bc_rval = new_cohort%canopy_trim)
call new_cohort%prt%RegisterBCIn(acnp_bc_in_id_lstat,bc_ival = new_cohort%status_coh)
call new_cohort%prt%RegisterBCIn(acnp_bc_in_id_netdc, bc_rval = new_cohort%npp_acc)
call new_cohort%prt%RegisterBCIn(acnp_bc_in_id_netdnh4, bc_rval = new_cohort%daily_nh4_uptake)
call new_cohort%prt%RegisterBCIn(acnp_bc_in_id_netdno3, bc_rval = new_cohort%daily_no3_uptake)
call new_cohort%prt%RegisterBCIn(acnp_bc_in_id_netdp, bc_rval = new_cohort%daily_p_uptake)
call new_cohort%prt%RegisterBCInOut(acnp_bc_inout_id_dbh,bc_rval = new_cohort%dbh)
call new_cohort%prt%RegisterBCInOut(acnp_bc_inout_id_rmaint_def,bc_rval = new_cohort%resp_m_def)
call new_cohort%prt%RegisterBCOut(acnp_bc_out_id_cefflux, bc_rval = new_cohort%daily_c_efflux)
call new_cohort%prt%RegisterBCOut(acnp_bc_out_id_nefflux, bc_rval = new_cohort%daily_n_efflux)
call new_cohort%prt%RegisterBCOut(acnp_bc_out_id_pefflux, bc_rval = new_cohort%daily_p_efflux)
call new_cohort%prt%RegisterBCOut(acnp_bc_out_id_nneed, bc_rval = new_cohort%daily_n_need)
call new_cohort%prt%RegisterBCOut(acnp_bc_out_id_pneed, bc_rval = new_cohort%daily_p_need)
case DEFAULT
write(fates_log(),*) 'You specified an unknown PRT module'
write(fates_log(),*) 'Aborting'
call endrun(msg=errMsg(sourcefile, __LINE__))
end select
end subroutine InitPRTBoundaryConditions
! ------------------------------------------------------------------------------------!
subroutine InitPRTObject(prt)
! -----------------------------------------------------------------------------------
!
! This routine allocates the PARTEH object that is associated with each cohort.
! The argument that is passed in is a pointer that is then associated with this
! newly allocated object.
! The object that is allocated is the specific extended class for the hypothesis
! of choice.
! Following this, the object and its internal mappings are initialized.
! This routine does NOT set any of the initial conditions, or boundary conditions
! such as the organ/element masses. Those are handled after this call.
!
! -----------------------------------------------------------------------------------
! Argument
class(prt_vartypes), pointer :: prt
! Potential Extended types
class(callom_prt_vartypes), pointer :: c_allom_prt
class(cnp_allom_prt_vartypes), pointer :: cnp_allom_prt
select case(hlm_parteh_mode)
case (prt_carbon_allom_hyp)
allocate(c_allom_prt)
prt => c_allom_prt
case (prt_cnp_flex_allom_hyp)
allocate(cnp_allom_prt)
prt => cnp_allom_prt
case DEFAULT
write(fates_log(),*) 'You specified an unknown PRT module'
write(fates_log(),*) 'Aborting'
call endrun(msg=errMsg(sourcefile, __LINE__))
end select
! This is the call to allocate the data structures in the PRT object
! This call will be extended to each specific class.
call prt%InitPRTVartype()
return
end subroutine InitPRTObject
!-------------------------------------------------------------------------------------!
subroutine nan_cohort(cc_p)
!
! !DESCRIPTION:
! Make all the cohort variables NaN so they aren't used before defined.
!
! !USES:
use FatesConstantsMod, only : fates_unset_int
!
! !ARGUMENTS
type (ed_cohort_type), intent(inout), target :: cc_p
!
! !LOCAL VARIABLES:
type (ed_cohort_type) , pointer :: currentCohort
!----------------------------------------------------------------------
currentCohort => cc_p
currentCohort%taller => null() ! pointer to next tallest cohort
currentCohort%shorter => null() ! pointer to next shorter cohort
currentCohort%patchptr => null() ! pointer to patch that cohort is in
nullify(currentCohort%taller)
nullify(currentCohort%shorter)
nullify(currentCohort%patchptr)
! VEGETATION STRUCTURE
currentCohort%pft = fates_unset_int ! pft number
currentCohort%indexnumber = fates_unset_int ! unique number for each cohort. (within clump?)
currentCohort%canopy_layer = fates_unset_int ! canopy status of cohort (1 = canopy, 2 = understorey, etc.)
currentCohort%canopy_layer_yesterday = nan ! recent canopy status of cohort (1 = canopy, 2 = understorey, etc.)
currentCohort%NV = fates_unset_int ! Number of leaf layers: -
currentCohort%status_coh = fates_unset_int ! growth status of plant (2 = leaves on , 1 = leaves off)
currentCohort%size_class = fates_unset_int ! size class index
currentCohort%size_class_lasttimestep = fates_unset_int ! size class index
currentCohort%size_by_pft_class = fates_unset_int ! size by pft classification index
currentCohort%coage_class = fates_unset_int ! cohort age class index
currentCohort%coage_by_pft_class = fates_unset_int ! cohort age by pft class index
currentCohort%n = nan ! number of individuals in cohort per 'area' (10000m2 default)
currentCohort%dbh = nan ! 'diameter at breast height' in cm
currentCohort%coage = nan ! age of the cohort in years
currentCohort%hite = nan ! height: meters
currentCohort%g_sb_laweight = nan ! Total leaf conductance of cohort (stomata+blayer) weighted by leaf-area [m/s]*[m2]
currentCohort%canopy_trim = nan ! What is the fraction of the maximum leaf biomass that we are targeting? :-
currentCohort%leaf_cost = nan ! How much does it cost to maintain leaves: kgC/m2/year-1
currentCohort%excl_weight = nan ! How much of this cohort is demoted each year, as a proportion of all cohorts:-
currentCohort%prom_weight = nan ! How much of this cohort is promoted each year, as a proportion of all cohorts:-
currentCohort%c_area = nan ! areal extent of canopy (m2)
currentCohort%treelai = nan ! lai of tree (total leaf area (m2) / canopy area (m2)
currentCohort%treesai = nan ! stem area index of tree (total stem area (m2) / canopy area (m2)
currentCohort%seed_prod = nan
currentCohort%vcmax25top = nan
currentCohort%jmax25top = nan
currentCohort%tpu25top = nan
currentCohort%kp25top = nan
! CARBON FLUXES
currentCohort%gpp_acc_hold = nan ! GPP: kgC/indiv/year
currentCohort%gpp_tstep = nan ! GPP: kgC/indiv/timestep
currentCohort%gpp_acc = nan ! GPP: kgC/indiv/day
currentCohort%npp_acc_hold = nan ! NPP: kgC/indiv/year
currentCohort%npp_tstep = nan ! NPP: kGC/indiv/timestep
currentCohort%npp_acc = nan ! NPP: kgC/indiv/day
currentCohort%year_net_uptake(:) = nan ! Net uptake of individual leaf layers kgC/m2/year
currentCohort%ts_net_uptake(:) = nan ! Net uptake of individual leaf layers kgC/m2/s
currentCohort%resp_acc_hold = nan ! RESP: kgC/indiv/year
currentCohort%resp_tstep = nan ! RESP: kgC/indiv/timestep
currentCohort%resp_acc = nan ! RESP: kGC/cohort/day
! Fluxes from nutrient allocation
currentCohort%daily_nh4_uptake = nan
currentCohort%daily_no3_uptake = nan
currentCohort%daily_p_uptake = nan
currentCohort%daily_c_efflux = nan
currentCohort%daily_n_efflux = nan
currentCohort%daily_p_efflux = nan
currentCohort%daily_n_need = nan
currentCohort%daily_p_need = nan
currentCohort%daily_n_demand = nan
currentCohort%daily_p_demand = nan
currentCohort%c13disc_clm = nan ! C13 discrimination, per mil at indiv/timestep
currentCohort%c13disc_acc = nan ! C13 discrimination, per mil at indiv/timestep at indiv/daily at the end of a day
!RESPIRATION
currentCohort%rdark = nan
currentCohort%resp_m = nan ! Maintenance respiration. kGC/cohort/year
currentCohort%resp_m_def = nan ! Maintenance respiration deficit kgC/plant
currentCohort%livestem_mr = nan ! Live stem maintenance respiration. kgC/indiv/s-1
currentCohort%livecroot_mr = nan ! Coarse root maintenance respiration. kgC/indiv/s-1
currentCohort%froot_mr = nan ! Fine root maintenance respiration. kgC/indiv/s-1
currentCohort%resp_g_tstep = nan ! Growth respiration. kGC/indiv/timestep
! ALLOCATION
currentCohort%dmort = nan ! proportional mortality rate. (year-1)
! logging
currentCohort%lmort_direct = nan
currentCohort%lmort_infra = nan
currentCohort%lmort_collateral = nan
currentCohort%l_degrad = nan
currentCohort%c_area = nan ! areal extent of canopy (m2)
currentCohort%treelai = nan ! lai of tree (total leaf area (m2) / canopy area (m2)
currentCohort%treesai = nan ! stem area index of tree (total stem area (m2) / canopy area (m2)
! VARIABLES NEEDED FOR INTEGRATION
currentCohort%dndt = nan ! time derivative of cohort size
currentCohort%dhdt = nan ! time derivative of height
currentCohort%ddbhdt = nan ! time derivative of dbh
! FIRE
currentCohort%fraction_crown_burned = nan ! proportion of crown affected by fire
currentCohort%cambial_mort = nan ! probability that trees dies due to cambial char P&R (1986)
currentCohort%crownfire_mort = nan ! probability of tree post-fire mortality due to crown scorch
currentCohort%fire_mort = nan ! post-fire mortality from cambial and crown damage assuming two are independent
end subroutine nan_cohort
!-------------------------------------------------------------------------------------!
subroutine zero_cohort(cc_p)
!
! !DESCRIPTION:
! Zero variables that need to be accounted for if
! this cohort is altered before they are defined.
!
! !USES:
!
! !ARGUMENTS
type (ed_cohort_type), intent(inout), target :: cc_p
!
! !LOCAL VARIABLES:
type (ed_cohort_type) , pointer :: currentCohort
!----------------------------------------------------------------------
currentCohort => cc_p
currentCohort%NV = 0
currentCohort%status_coh = 0
currentCohort%rdark = 0._r8
currentCohort%resp_m = 0._r8
currentCohort%resp_m_def = 0._r8
currentCohort%resp_g_tstep = 0._r8
currentCohort%livestem_mr = 0._r8
currentCohort%livecroot_mr = 0._r8
currentCohort%froot_mr = 0._r8
currentCohort%fire_mort = 0._r8
currentcohort%npp_acc = 0._r8
currentcohort%gpp_acc = 0._r8
currentcohort%resp_acc = 0._r8
currentcohort%npp_tstep = 0._r8
currentcohort%gpp_tstep = 0._r8
currentcohort%resp_tstep = 0._r8
currentcohort%resp_acc_hold = 0._r8
currentcohort%year_net_uptake(:) = 999._r8 ! this needs to be 999, or trimming of new cohorts will break.
currentcohort%ts_net_uptake(:) = 0._r8
currentcohort%fraction_crown_burned = 0._r8
currentCohort%size_class = 1
currentCohort%coage_class = 1
currentCohort%seed_prod = 0._r8
currentCohort%size_class_lasttimestep = 0
currentcohort%npp_acc_hold = 0._r8
currentcohort%gpp_acc_hold = 0._r8
currentcohort%dmort = 0._r8
currentcohort%g_sb_laweight = 0._r8
currentcohort%treesai = 0._r8
currentCohort%lmort_direct = 0._r8
currentCohort%lmort_infra = 0._r8
currentCohort%lmort_collateral = 0._r8
currentCohort%l_degrad = 0._r8
currentCohort%leaf_cost = 0._r8
currentcohort%excl_weight = 0._r8
currentcohort%prom_weight = 0._r8
currentcohort%crownfire_mort = 0._r8
currentcohort%cambial_mort = 0._r8
currentCohort%c13disc_clm = 0._r8
currentCohort%c13disc_acc = 0._r8
! Daily nutrient fluxes are INTEGRATED over the course of the
! day. This variable MUST be zerod upon creation AND
! after allocation. These variables exist in
! carbon-only mode but are not used.
currentCohort%daily_nh4_uptake = 0._r8
currentCohort%daily_no3_uptake = 0._r8
currentCohort%daily_p_uptake = 0._r8
currentCohort%daily_c_efflux = 0._r8
currentCohort%daily_n_efflux = 0._r8
currentCohort%daily_p_efflux = 0._r8
currentCohort%daily_n_need = 0._r8
currentCohort%daily_p_need = 0._r8
! Initialize these as negative
currentCohort%daily_p_demand = -9._r8
currentCohort%daily_n_demand = -9._r8
end subroutine zero_cohort
!-------------------------------------------------------------------------------------!
subroutine terminate_cohorts( currentSite, currentPatch, level , call_index, bc_in)
!
! !DESCRIPTION:
! terminates all cohorts when they get too small
!
! !USES:
!
! !ARGUMENTS
type (ed_site_type) , intent(inout), target :: currentSite
type (ed_patch_type), intent(inout), target :: currentPatch
integer , intent(in) :: level
integer :: call_index
type(bc_in_type), intent(in) :: bc_in
! Important point regarding termination levels. Termination is typically
! called after fusion. We do this so that we can re-capture the biomass that would
! otherwise be lost from termination. The biomass of a fused plant remains in the
! live pool. However, some plant number densities can be so low that they
! can cause numerical instabilities. Thus, we call terminate_cohorts at level=1
! before fusion to get rid of these cohorts that are so incredibly sparse, and then
! terminate the remainder at level 2 for various other reasons.
!
! !LOCAL VARIABLES:
type (ed_cohort_type) , pointer :: currentCohort
type (ed_cohort_type) , pointer :: shorterCohort
type (ed_cohort_type) , pointer :: tallerCohort
real(r8) :: leaf_c ! leaf carbon [kg]
real(r8) :: store_c ! storage carbon [kg]
real(r8) :: sapw_c ! sapwood carbon [kg]
real(r8) :: fnrt_c ! fineroot carbon [kg]
real(r8) :: repro_c ! reproductive carbon [kg]
real(r8) :: struct_c ! structural carbon [kg]
integer :: terminate ! do we terminate (itrue) or not (ifalse)
!----------------------------------------------------------------------
currentCohort => currentPatch%shortest
do while (associated(currentCohort))
terminate = ifalse
tallerCohort => currentCohort%taller
leaf_c = currentCohort%prt%GetState(leaf_organ, carbon12_element)
store_c = currentCohort%prt%GetState(store_organ, carbon12_element)
sapw_c = currentCohort%prt%GetState(sapw_organ, carbon12_element)
fnrt_c = currentCohort%prt%GetState(fnrt_organ, carbon12_element)
struct_c = currentCohort%prt%GetState(struct_organ, carbon12_element)
repro_c = currentCohort%prt%GetState(repro_organ, carbon12_element)
! Check if number density is so low is breaks math (level 1)
if (currentcohort%n < min_n_safemath .and. level == 1) then
terminate = itrue
if ( debug ) then
write(fates_log(),*) 'terminating cohorts 0',currentCohort%n/currentPatch%area,currentCohort%dbh,currentCohort%pft,call_index
endif
endif
! The rest of these are only allowed if we are not dealing with a recruit (level 2)
if (.not.currentCohort%isnew .and. level == 2) then
! Not enough n or dbh
if (currentCohort%n/currentPatch%area <= min_npm2 .or. & !
currentCohort%n <= min_nppatch .or. &
(currentCohort%dbh < 0.00001_r8 .and. store_c < 0._r8) ) then
terminate = itrue
if ( debug ) then
write(fates_log(),*) 'terminating cohorts 1',currentCohort%n/currentPatch%area,currentCohort%dbh,currentCohort%pft,call_index
endif
endif
! Outside the maximum canopy layer
if (currentCohort%canopy_layer > nclmax ) then
terminate = itrue
if ( debug ) then
write(fates_log(),*) 'terminating cohorts 2', currentCohort%canopy_layer,currentCohort%pft,call_index
endif
endif
! live biomass pools are terminally depleted
if ( ( sapw_c+leaf_c+fnrt_c ) < 1e-10_r8 .or. &
store_c < 1e-10_r8) then
terminate = itrue
if ( debug ) then
write(fates_log(),*) 'terminating cohorts 3', &
sapw_c,leaf_c,fnrt_c,store_c,currentCohort%pft,call_index
endif
endif
! Total cohort biomass is negative
if ( ( struct_c+sapw_c+leaf_c+fnrt_c+store_c ) < 0._r8) then
terminate = itrue
if ( debug ) then
write(fates_log(),*) 'terminating cohorts 4', &
struct_c,sapw_c,leaf_c,fnrt_c,store_c,currentCohort%pft,call_index
endif
endif
endif ! if (.not.currentCohort%isnew .and. level == 2) then
if (terminate == itrue) then
call terminate_cohort(currentSite, currentPatch, currentCohort, bc_in)
deallocate(currentCohort)
endif
currentCohort => tallerCohort
enddo
end subroutine terminate_cohorts
!-------------------------------------------------------------------------------------!
subroutine terminate_cohort(currentSite, currentPatch, currentCohort, bc_in)
!
! !DESCRIPTION:
! Terminates an individual cohort and updates the site-level
! updates the carbon flux and nuber of individuals appropriately
!
! !USES:
!
! !ARGUMENTS
type (ed_site_type) , intent(inout), target :: currentSite
type (ed_patch_type) , intent(inout), target :: currentPatch
type (ed_cohort_type), intent(inout), target :: currentCohort
type(bc_in_type), intent(in) :: bc_in
! !LOCAL VARIABLES:
type (ed_cohort_type) , pointer :: shorterCohort
type (ed_cohort_type) , pointer :: tallerCohort
real(r8) :: leaf_c ! leaf carbon [kg]
real(r8) :: store_c ! storage carbon [kg]
real(r8) :: sapw_c ! sapwood carbon [kg]
real(r8) :: fnrt_c ! fineroot carbon [kg]
real(r8) :: repro_c ! reproductive carbon [kg]
real(r8) :: struct_c ! structural carbon [kg]
integer :: terminate ! do we terminate (itrue) or not (ifalse)
integer :: c ! counter for litter size class.
integer :: levcan ! canopy level
!----------------------------------------------------------------------
leaf_c = currentCohort%prt%GetState(leaf_organ, carbon12_element)
store_c = currentCohort%prt%GetState(store_organ, carbon12_element)
sapw_c = currentCohort%prt%GetState(sapw_organ, carbon12_element)
fnrt_c = currentCohort%prt%GetState(fnrt_organ, carbon12_element)
struct_c = currentCohort%prt%GetState(struct_organ, carbon12_element)
repro_c = currentCohort%prt%GetState(repro_organ, carbon12_element)
! preserve a record of the to-be-terminated cohort for mortality accounting
levcan = currentCohort%canopy_layer
if( hlm_use_planthydro == itrue ) &
call AccumulateMortalityWaterStorage(currentSite,currentCohort,currentCohort%n)
! Update the site-level carbon flux and individuals count for the appropriate canopy layer
if(levcan==ican_upper) then
currentSite%term_nindivs_canopy(currentCohort%size_class,currentCohort%pft) = &
currentSite%term_nindivs_canopy(currentCohort%size_class,currentCohort%pft) + currentCohort%n
currentSite%term_carbonflux_canopy(currentCohort%pft) = currentSite%term_carbonflux_canopy(currentCohort%pft) + &
currentCohort%n * (struct_c+sapw_c+leaf_c+fnrt_c+store_c+repro_c)
else
currentSite%term_nindivs_ustory(currentCohort%size_class,currentCohort%pft) = &
currentSite%term_nindivs_ustory(currentCohort%size_class,currentCohort%pft) + currentCohort%n
currentSite%term_carbonflux_ustory(currentCohort%pft) = currentSite%term_carbonflux_ustory(currentCohort%pft) + &
currentCohort%n * (struct_c+sapw_c+leaf_c+fnrt_c+store_c+repro_c)
end if
! put the litter from the terminated cohorts
! straight into the fragmenting pools
if (currentCohort%n.gt.0.0_r8) then
call SendCohortToLitter(currentSite,currentPatch, &
currentCohort,currentCohort%n,bc_in)
end if
! Set pointers and deallocate the current cohort from the list
shorterCohort => currentCohort%shorter
tallerCohort => currentCohort%taller
if (.not. associated(tallerCohort)) then
currentPatch%tallest => shorterCohort
if(associated(shorterCohort)) shorterCohort%taller => null()
else
tallerCohort%shorter => shorterCohort
endif
if (.not. associated(shorterCohort)) then
currentPatch%shortest => tallerCohort
if(associated(tallerCohort)) tallerCohort%shorter => null()
else
shorterCohort%taller => tallerCohort
endif
call DeallocateCohort(currentCohort)
end subroutine terminate_cohort
! =====================================================================================
subroutine SendCohortToLitter(csite,cpatch,ccohort,nplant,bc_in)
! -----------------------------------------------------------------------------------
! This routine transfers the existing mass in all pools and all elements
! on a vegetation cohort, into the litter pool.
!
! Important: (1) This IS NOT turnover, this is not a partial transfer.
! (2) This is from a select number of plants in the cohort. ie this is
! not a "whole-sale" sending of all plants to litter.
! (3) This does not affect the PER PLANT mass pools, so
! do not update any PARTEH structures.
! (4) The change in plant number density (due to death or termination)
! IS NOT handled here.
! (5) This routine is NOT used for disturbance, mostly
! because this routine assumes a cohort lands in its patch
! Whereas the disturbance scheme does NOT assume that.
! -----------------------------------------------------------------------------------
! Arguments
type (ed_site_type) , target :: csite
type (ed_patch_type) , target :: cpatch
type (ed_cohort_type) , target :: ccohort
real(r8) :: nplant ! Number (absolute)
! of plants to transfer
type(bc_in_type), intent(in) :: bc_in
type(litter_type), pointer :: litt ! Litter object for each element
type(site_fluxdiags_type),pointer :: flux_diags
real(r8) :: leaf_m ! leaf mass [kg]
real(r8) :: store_m ! storage mass [kg]
real(r8) :: sapw_m ! sapwood mass [kg]
real(r8) :: fnrt_m ! fineroot mass [kg]
real(r8) :: repro_m ! reproductive mass [kg]
real(r8) :: struct_m ! structural mass [kg]
real(r8) :: plant_dens! plant density [/m2]
real(r8) :: dcmpy_frac! fraction of mass going to each decomposability partition
integer :: el ! loop index for elements
integer :: c ! loop index for CWD
integer :: pft ! pft index of the cohort
integer :: sl ! loop index for soil layers
integer :: dcmpy ! loop index for decomposability
!----------------------------------------------------------------------
pft = ccohort%pft
plant_dens = nplant/cpatch%area
call set_root_fraction(csite%rootfrac_scr, pft, csite%zi_soil, &
bc_in%max_rooting_depth_index_col)
do el=1,num_elements
leaf_m = ccohort%prt%GetState(leaf_organ, element_list(el))
store_m = ccohort%prt%GetState(store_organ, element_list(el))
sapw_m = ccohort%prt%GetState(sapw_organ, element_list(el))
fnrt_m = ccohort%prt%GetState(fnrt_organ, element_list(el))
struct_m = ccohort%prt%GetState(struct_organ, element_list(el))
repro_m = ccohort%prt%GetState(repro_organ, element_list(el))
litt => cpatch%litter(el)
flux_diags => csite%flux_diags(el)
do c=1,ncwd
! above ground CWD
litt%ag_cwd(c) = litt%ag_cwd(c) + plant_dens * &
(struct_m+sapw_m) * SF_val_CWD_frac(c) * &
prt_params%allom_agb_frac(pft)
! below ground CWD
do sl=1,csite%nlevsoil
litt%bg_cwd(c,sl) = litt%bg_cwd(c,sl) + plant_dens * &
(struct_m+sapw_m) * SF_val_CWD_frac(c) * &
(1.0_r8 - prt_params%allom_agb_frac(pft)) * &
csite%rootfrac_scr(sl)
enddo
! above ground
flux_diags%cwd_ag_input(c) = flux_diags%cwd_ag_input(c) + &
(struct_m+sapw_m) * SF_val_CWD_frac(c) * &
prt_params%allom_agb_frac(pft) * nplant
! below ground
flux_diags%cwd_bg_input(c) = flux_diags%cwd_bg_input(c) + &
(struct_m + sapw_m) * SF_val_CWD_frac(c) * &
(1.0_r8 - prt_params%allom_agb_frac(pft)) * nplant
enddo
do dcmpy=1,ndcmpy
dcmpy_frac = GetDecompyFrac(pft,leaf_organ,dcmpy)
litt%leaf_fines(dcmpy) = litt%leaf_fines(dcmpy) + &
plant_dens * (leaf_m+repro_m) * dcmpy_frac
dcmpy_frac = GetDecompyFrac(pft,fnrt_organ,dcmpy)
do sl=1,csite%nlevsoil
litt%root_fines(dcmpy,sl) = litt%root_fines(dcmpy,sl) + &
plant_dens * (fnrt_m+store_m) * csite%rootfrac_scr(sl) * dcmpy_frac
end do