| 1 | ! Remove definition of type_conversion |
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| 2 | |
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| 3 | ! ================================================================================================================================= |
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| 4 | ! MODULE : stomate_glcc_bioe1 |
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| 5 | ! |
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| 6 | ! CONTACT : orchidee-help _at_ ipsl.jussieu.fr |
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| 7 | ! |
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| 8 | ! LICENCE : IPSL (2006) |
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| 9 | ! This software is governed by the CeCILL licence see ORCHIDEE/ORCHIDEE_CeCILL.LIC |
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| 10 | ! |
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| 11 | !>\BRIEF This module implements gross land use change with age classes. |
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| 12 | !! |
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| 13 | !!\n DESCRIPTION: None |
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| 14 | !! |
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| 15 | !! RECENT CHANGE(S): Including permafrost carbon |
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| 16 | !! |
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| 17 | !! REFERENCE(S) : None |
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| 18 | !! |
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| 19 | !! SVN : |
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| 20 | !! $HeadURL: svn://forge.ipsl.jussieu.fr/orchidee/perso/albert.jornet/ORCHIDEE-MICT/src_stomate/stomate_lcchange.f90 $ |
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| 21 | !! $Date: 2015-07-30 15:38:45 +0200 (Thu, 30 Jul 2015) $ |
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| 22 | !! $Revision: 2847 $ |
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| 23 | !! \n |
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| 24 | !_ ================================================================================================================================ |
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| 25 | |
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| 26 | |
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| 27 | MODULE stomate_glcc_bioe1 |
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| 28 | |
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| 29 | ! modules used: |
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| 30 | |
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| 31 | USE ioipsl_para |
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| 32 | USE stomate_data |
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| 33 | USE pft_parameters |
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| 34 | USE constantes |
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| 35 | USE constantes_soil_var |
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| 36 | USE stomate_gluc_common |
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| 37 | USE stomate_gluc_constants |
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| 38 | USE stomate_glcchange_MulAgeC |
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| 39 | |
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| 40 | IMPLICIT NONE |
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| 41 | |
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| 42 | PRIVATE |
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| 43 | PUBLIC glcc_bioe1_firstday, glcc_bioe1 |
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| 44 | |
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| 45 | CONTAINS |
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| 46 | |
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| 47 | ! ================================================================================================================================ |
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| 48 | !! SUBROUTINE gross_lcchange |
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| 49 | !! |
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| 50 | !>\BRIEF : Apply gross land cover change. |
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| 51 | !! |
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| 52 | !>\DESCRIPTION |
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| 53 | !_ ================================================================================================================================ |
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| 54 | SUBROUTINE glcc_bioe1 (npts, dt_days, newvegfrac, & |
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| 55 | glccSecondShift,& |
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| 56 | def_fuel_1hr_remain, def_fuel_10hr_remain, & |
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| 57 | def_fuel_100hr_remain, def_fuel_1000hr_remain, & |
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| 58 | deforest_litter_remain, deforest_biomass_remain, & |
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| 59 | convflux, cflux_prod10, cflux_prod100, & |
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| 60 | glcc_pft, glcc_pftmtc, & |
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| 61 | veget_max, prod10, prod100, flux10, flux100, & |
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| 62 | PFTpresent, senescence, moiavail_month, moiavail_week, & |
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| 63 | gpp_week, ngd_minus5, resp_maint, resp_growth, & |
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| 64 | resp_hetero, npp_daily, when_growthinit, npp_longterm, & |
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| 65 | ind, lm_lastyearmax, everywhere, age, & |
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| 66 | co2_to_bm, gpp_daily, co2_fire, & |
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| 67 | time_hum_min, gdd_midwinter, gdd_from_growthinit, & |
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| 68 | gdd_m5_dormance, ncd_dormance, & |
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| 69 | lignin_struc, carbon, leaf_frac, & |
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| 70 | deepC_a, deepC_s, deepC_p, & |
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| 71 | leaf_age, bm_to_litter, biomass, litter, & |
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| 72 | fuel_1hr, fuel_10hr, fuel_100hr, fuel_1000hr) |
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| 73 | |
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| 74 | IMPLICIT NONE |
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| 75 | |
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| 76 | !! 0.1 Input variables |
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| 77 | |
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| 78 | INTEGER, INTENT(in) :: npts !! Domain size - number of pixels (unitless) |
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| 79 | REAL(r_std), INTENT(in) :: dt_days !! Time step of vegetation dynamics for stomate |
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| 80 | REAL(r_std), DIMENSION (npts,12),INTENT(in) :: glccSecondShift !! the land-cover-change (LCC) matrix in case a gross LCC is |
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| 81 | !! used. |
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| 82 | REAL(r_std), DIMENSION (npts,nvmap),INTENT(in) :: newvegfrac !! |
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| 83 | !! |
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| 84 | |
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| 85 | REAL(r_std), DIMENSION(npts,nvm,nlitt,nelements), INTENT(in) :: def_fuel_1hr_remain |
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| 86 | REAL(r_std), DIMENSION(npts,nvm,nlitt,nelements), INTENT(in) :: def_fuel_10hr_remain |
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| 87 | REAL(r_std), DIMENSION(npts,nvm,nlitt,nelements), INTENT(in) :: def_fuel_100hr_remain |
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| 88 | REAL(r_std), DIMENSION(npts,nvm,nlitt,nelements), INTENT(in) :: def_fuel_1000hr_remain |
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| 89 | REAL(r_std), DIMENSION(npts,nlitt,nvm,nlevs,nelements), INTENT(in) :: deforest_litter_remain !! Vegetmax-weighted remaining litter on the ground for |
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| 90 | !! deforestation region. |
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| 91 | REAL(r_std), DIMENSION(npts,nvm,nparts,nelements), INTENT(in) :: deforest_biomass_remain !! Vegetmax-weighted remaining biomass on the ground for |
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| 92 | !! deforestation region. |
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| 93 | |
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| 94 | |
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| 95 | !! 0.2 Output variables |
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| 96 | REAL(r_std), DIMENSION(npts,nwp), INTENT(out) :: convflux !! release during first year following land cover |
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| 97 | !! change |
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| 98 | REAL(r_std), DIMENSION(npts,nwp), INTENT(out) :: cflux_prod10 !! total annual release from the 10 year-turnover |
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| 99 | !! pool @tex ($gC m^{-2}$) @endtex |
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| 100 | REAL(r_std), DIMENSION(npts,nwp), INTENT(out) :: cflux_prod100 !! total annual release from the 100 year- |
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| 101 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: glcc_pft !! Loss of fraction in each PFT |
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| 102 | REAL(r_std), DIMENSION(npts,nvm,nvmap), INTENT(inout):: glcc_pftmtc !! a temporary variable to hold the fractions each PFT is going to lose |
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| 103 | !! i.e., the contribution of each PFT to the youngest age-class of MTC |
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| 104 | |
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| 105 | !! 0.3 Modified variables |
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| 106 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: veget_max !! "maximal" coverage fraction of a PFT (LAI -> |
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| 107 | !! infinity) on ground (unitless) |
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| 108 | REAL(r_std), DIMENSION(npts,0:10,nwp), INTENT(inout) :: prod10 !! products remaining in the 10 year-turnover |
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| 109 | !! pool after the annual release for each |
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| 110 | !! compartment (10 + 1 : input from year of land |
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| 111 | !! cover change) |
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| 112 | REAL(r_std), DIMENSION(npts,0:100,nwp), INTENT(inout) :: prod100 !! products remaining in the 100 year-turnover |
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| 113 | !! pool after the annual release for each |
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| 114 | !! compartment (100 + 1 : input from year of land |
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| 115 | !! cover change) |
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| 116 | REAL(r_std), DIMENSION(npts,10,nwp), INTENT(inout) :: flux10 !! annual release from the 10/100 year-turnover |
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| 117 | !! pool compartments |
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| 118 | REAL(r_std), DIMENSION(npts,100,nwp), INTENT(inout) :: flux100 !! annual release from the 10/100 year-turnover |
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| 119 | !! pool compartments |
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| 120 | LOGICAL, DIMENSION(:,:), INTENT(inout) :: PFTpresent !! Tab indicating which PFTs are present in |
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| 121 | !! each pixel |
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| 122 | LOGICAL, DIMENSION(:,:), INTENT(inout) :: senescence !! Flag for setting senescence stage (only |
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| 123 | !! for deciduous trees) |
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| 124 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: moiavail_month !! "Monthly" moisture availability (0 to 1, |
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| 125 | !! unitless) |
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| 126 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: moiavail_week !! "Weekly" moisture availability |
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| 127 | !! (0 to 1, unitless) |
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| 128 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: gpp_week !! Mean weekly gross primary productivity |
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| 129 | !! @tex $(gC m^{-2} day^{-1})$ @endtex |
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| 130 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: ngd_minus5 !! Number of growing days (days), threshold |
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| 131 | !! -5 deg C (for phenology) |
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| 132 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: resp_maint !! Maintenance respiration |
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| 133 | !! @tex $(gC m^{-2} dtslow^{-1})$ @endtex |
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| 134 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: resp_growth !! Growth respiration |
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| 135 | !! @tex $(gC m^{-2} dtslow^{-1})$ @endtex |
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| 136 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: resp_hetero !! Heterotrophic respiration |
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| 137 | !! @tex $(gC m^{-2} dtslow^{-1})$ @endtex |
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| 138 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: npp_daily !! Net primary productivity |
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| 139 | !! @tex $(gC m^{-2} dtslow^{-1})$ @endtex |
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| 140 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: when_growthinit !! How many days ago was the beginning of |
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| 141 | !! the growing season (days) |
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| 142 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: npp_longterm !! "Long term" mean yearly primary productivity |
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| 143 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: ind !! Number of individuals at the stand level |
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| 144 | !! @tex $(m^{-2})$ @endtex |
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| 145 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: lm_lastyearmax !! last year's maximum leaf mass for each PFT |
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| 146 | !! @tex ($gC m^{-2}$) @endtex |
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| 147 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: everywhere !! is the PFT everywhere in the grid box or |
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| 148 | !! very localized (after its introduction) (?) |
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| 149 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: age !! mean age (years) |
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| 150 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: co2_to_bm !! CO2 taken from the atmosphere to get C to create |
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| 151 | !! the seedlings @tex (gC.m^{-2}dt^{-1})$ @endtex |
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| 152 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: gpp_daily !! Daily gross primary productivity |
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| 153 | !! @tex $(gC m^{-2} dtslow^{-1})$ @endtex |
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| 154 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: co2_fire !! Fire carbon emissions |
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| 155 | !! @tex $(gC m^{-2} dtslow^{-1})$ @endtex |
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| 156 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: time_hum_min !! Time elapsed since strongest moisture |
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| 157 | !! availability (days) |
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| 158 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: gdd_midwinter !! Growing degree days (K), since midwinter |
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| 159 | !! (for phenology) - this is written to the |
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| 160 | !! history files |
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| 161 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: gdd_from_growthinit !! growing degree days, since growthinit |
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| 162 | !! for crops |
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| 163 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: gdd_m5_dormance !! Growing degree days (K), threshold -5 deg |
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| 164 | !! C (for phenology) |
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| 165 | REAL(r_std), DIMENSION(:,:), INTENT(inout) :: ncd_dormance !! Number of chilling days (days), since |
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| 166 | !! leaves were lost (for phenology) |
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| 167 | REAL(r_std), DIMENSION(:,:,:), INTENT(inout) :: lignin_struc !! ratio Lignine/Carbon in structural litter, |
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| 168 | !! above and below ground |
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| 169 | REAL(r_std), DIMENSION(:,:,:), INTENT(inout) :: carbon !! carbon pool: active, slow, or passive |
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| 170 | !! @tex ($gC m^{-2}$) @endtex |
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| 171 | REAL(r_std), DIMENSION(:,:,:), INTENT(inout) :: deepC_a !! Permafrost soil carbon (g/m**3) active |
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| 172 | REAL(r_std), DIMENSION(:,:,:), INTENT(inout) :: deepC_s !! Permafrost soil carbon (g/m**3) slow |
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| 173 | REAL(r_std), DIMENSION(:,:,:), INTENT(inout) :: deepC_p !! Permafrost soil carbon (g/m**3) passive |
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| 174 | REAL(r_std), DIMENSION(:,:,:), INTENT(inout) :: leaf_frac !! fraction of leaves in leaf age class (unitless;0-1) |
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| 175 | REAL(r_std), DIMENSION(:,:,:), INTENT(inout) :: leaf_age !! Leaf age (days) |
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| 176 | REAL(r_std), DIMENSION(:,:,:,:), INTENT(inout) :: bm_to_litter !! Transfer of biomass to litter |
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| 177 | !! @tex $(gC m^{-2} dtslow^{-1})$ @endtex |
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| 178 | REAL(r_std), DIMENSION(:,:,:,:), INTENT(inout) :: biomass !! Stand level biomass @tex $(gC.m^{-2})$ @endtex |
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| 179 | REAL(r_std), DIMENSION(:,:,:,:,:), INTENT(inout) :: litter !! metabolic and structural litter, above and |
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| 180 | !! below ground @tex ($gC m^{-2}$) @endtex |
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| 181 | REAL(r_std), DIMENSION(:,:,:,:), INTENT(inout) :: fuel_1hr |
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| 182 | REAL(r_std), DIMENSION(:,:,:,:), INTENT(inout) :: fuel_10hr |
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| 183 | REAL(r_std), DIMENSION(:,:,:,:), INTENT(inout) :: fuel_100hr |
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| 184 | REAL(r_std), DIMENSION(:,:,:,:), INTENT(inout) :: fuel_1000hr |
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| 185 | |
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| 186 | !! 0.4 Local variables |
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| 187 | REAL(r_std), DIMENSION(nvmap,nparts,nelements) :: bm_to_litter_pro !! conversion of biomass to litter |
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| 188 | !! @tex ($gC m^{-2} day^{-1}$) @endtex |
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| 189 | REAL(r_std), DIMENSION(nvmap,nparts,nelements) :: biomass_pro !! biomass @tex ($gC m^{-2}$) @endtex |
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| 190 | REAL(r_std), DIMENSION(nvmap) :: veget_max_pro !! "maximal" coverage fraction of a PFT (LAI -> |
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| 191 | !! infinity) on ground (unitless) |
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| 192 | REAL(r_std), DIMENSION(nvmap,ncarb) :: carbon_pro !! carbon pool: active, slow, or passive |
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| 193 | !! @tex ($gC m^{-2}$) @endtex |
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| 194 | REAL(r_std), DIMENSION(nvmap,ndeep) :: deepC_a_pro !! Permafrost carbon pool: active, slow, or passive |
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| 195 | !! @tex ($gC m^{-3}$) @endtex |
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| 196 | REAL(r_std), DIMENSION(nvmap,ndeep) :: deepC_s_pro !! Permafrost carbon pool: active, slow, or passive |
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| 197 | !! @tex ($gC m^{-3}$) @endtex |
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| 198 | REAL(r_std), DIMENSION(nvmap,ndeep) :: deepC_p_pro !! Permafrost carbon pool: active, slow, or passive |
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| 199 | !! @tex ($gC m^{-3}$) @endtex |
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| 200 | REAL(r_std), DIMENSION(nvmap,nlitt,nlevs,nelements) :: litter_pro !! metabolic and structural litter, above and |
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| 201 | !! below ground @tex ($gC m^{-2}$) @endtex |
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| 202 | REAL(r_std), DIMENSION(nvmap,nlitt,nelements) :: fuel_1hr_pro |
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| 203 | REAL(r_std), DIMENSION(nvmap,nlitt,nelements) :: fuel_10hr_pro |
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| 204 | REAL(r_std), DIMENSION(nvmap,nlitt,nelements) :: fuel_100hr_pro |
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| 205 | REAL(r_std), DIMENSION(nvmap,nlitt,nelements) :: fuel_1000hr_pro |
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| 206 | REAL(r_std), DIMENSION(nvmap,nlevs) :: lignin_struc_pro !! ratio Lignine/Carbon in structural litter |
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| 207 | !! above and below ground |
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| 208 | REAL(r_std), DIMENSION(nvmap,nleafages) :: leaf_frac_pro !! fraction of leaves in leaf age class |
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| 209 | REAL(r_std), DIMENSION(nvmap,nleafages) :: leaf_age_pro !! fraction of leaves in leaf age class |
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| 210 | LOGICAL, DIMENSION(nvmap) :: PFTpresent_pro, senescence_pro !! Is pft there (unitless) |
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| 211 | REAL(r_std), DIMENSION(nvmap) :: ind_pro, age_pro, lm_lastyearmax_pro, npp_longterm_pro |
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| 212 | REAL(r_std), DIMENSION(nvmap) :: everywhere_pro |
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| 213 | REAL(r_std), DIMENSION(nvmap) :: gpp_daily_pro, npp_daily_pro, co2_to_bm_pro |
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| 214 | REAL(r_std), DIMENSION(nvmap) :: resp_maint_pro, resp_growth_pro |
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| 215 | REAL(r_std), DIMENSION(nvmap) :: resp_hetero_pro, co2_fire_pro |
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| 216 | |
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| 217 | INTEGER :: ipts,ivm,ivma,l,m,ipft_young_agec |
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| 218 | CHARACTER(LEN=10) :: part_str !! string suffix indicating an index |
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| 219 | |
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| 220 | REAL(r_std), DIMENSION(npts,nvmap) :: glcc_mtc !! Increase in fraction of each MTC in its youngest age-class |
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| 221 | REAL(r_std), DIMENSION(npts,nvm) :: glccReal_tmp !! A temporary variable |
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| 222 | |
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| 223 | WRITE(numout,*) 'Entering glcc_MulAgeC' |
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| 224 | glccReal_tmp(:,:) = zero |
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| 225 | |
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| 226 | CALL glcc_bioe1_firstday(npts,veget_max,newvegfrac, & |
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| 227 | glccSecondShift,glcc_pft,glcc_pftmtc) |
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| 228 | |
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| 229 | glcc_mtc(:,:) = SUM(glcc_pftmtc,DIM=2) |
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| 230 | |
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| 231 | DO ipts=1,npts |
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| 232 | |
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| 233 | !! Initialize the _pro variables |
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| 234 | bm_to_litter_pro(:,:,:)=zero |
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| 235 | biomass_pro(:,:,:)=zero |
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| 236 | veget_max_pro(:)=zero |
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| 237 | carbon_pro(:,:)=zero |
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| 238 | deepC_a_pro(:,:)=zero |
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| 239 | deepC_s_pro(:,:)=zero |
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| 240 | deepC_p_pro(:,:)=zero |
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| 241 | litter_pro(:,:,:,:)=zero |
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| 242 | fuel_1hr_pro(:,:,:)=zero |
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| 243 | fuel_10hr_pro(:,:,:)=zero |
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| 244 | fuel_100hr_pro(:,:,:)=zero |
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| 245 | fuel_1000hr_pro(:,:,:)=zero |
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| 246 | lignin_struc_pro(:,:)=zero |
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| 247 | |
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| 248 | leaf_frac_pro = zero |
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| 249 | leaf_age_pro = zero |
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| 250 | PFTpresent_pro(:) = .FALSE. |
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| 251 | senescence_pro(:) = .TRUE. |
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| 252 | ind_pro = zero |
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| 253 | age_pro = zero |
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| 254 | lm_lastyearmax_pro = zero |
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| 255 | npp_longterm_pro = zero |
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| 256 | everywhere_pro = zero |
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| 257 | |
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| 258 | gpp_daily_pro=zero |
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| 259 | npp_daily_pro=zero |
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| 260 | co2_to_bm_pro=zero |
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| 261 | resp_maint_pro=zero |
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| 262 | resp_growth_pro=zero |
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| 263 | resp_hetero_pro=zero |
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| 264 | co2_fire_pro=zero |
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| 265 | |
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| 266 | ! Note that we assume people don't intentionally change baresoil to |
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| 267 | ! vegetated land. |
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| 268 | DO ivma = 2,nvmap |
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| 269 | |
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| 270 | ! here we set glcc_mtc(ipts,ivma) > min_stomate as a condition, |
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| 271 | ! this is necessary because later on in the subroutine of |
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| 272 | ! add_incoming_proxy_pft we have to merge the newly established |
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| 273 | ! youngest proxy with potentially exisiting youngest receiving MTC, |
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| 274 | ! thus have to devide a new fraction of (frac_proxy + frac_exist), |
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| 275 | ! but in case frac_exist = zero, we risk deviding by a very small value |
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| 276 | ! of frac_proxy and thus we want it to be bigger than min_stomate. |
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| 277 | IF ( glcc_mtc(ipts,ivma) .GT. min_stomate ) THEN |
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| 278 | |
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| 279 | ! 1. we accumulate the scalar variables that will be inherited. |
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| 280 | ! note that in the subroutine of `collect_legacy_pft`, all |
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| 281 | ! zero transitions will be automatically skipped. |
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| 282 | CALL collect_legacy_pft(npts, ipts, ivma, glcc_pftmtc, & |
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| 283 | biomass, bm_to_litter, carbon, litter, & |
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| 284 | deepC_a, deepC_s, deepC_p, & |
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| 285 | fuel_1hr, fuel_10hr, fuel_100hr, fuel_1000hr, & |
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| 286 | lignin_struc, co2_to_bm, gpp_daily, npp_daily, & |
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| 287 | resp_maint, resp_growth, resp_hetero, co2_fire, & |
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| 288 | def_fuel_1hr_remain, def_fuel_10hr_remain, & |
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| 289 | def_fuel_100hr_remain, def_fuel_1000hr_remain, & |
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| 290 | deforest_litter_remain, deforest_biomass_remain, & |
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| 291 | veget_max_pro(ivma), carbon_pro(ivma,:), & |
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| 292 | lignin_struc_pro(ivma,:), litter_pro(ivma,:,:,:), & |
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| 293 | deepC_a_pro(ivma,:), deepC_s_pro(ivma,:), deepC_p_pro(ivma,:), & |
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| 294 | fuel_1hr_pro(ivma,:,:), fuel_10hr_pro(ivma,:,:), & |
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| 295 | fuel_100hr_pro(ivma,:,:), fuel_1000hr_pro(ivma,:,:), & |
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| 296 | bm_to_litter_pro(ivma,:,:), co2_to_bm_pro(ivma), & |
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| 297 | gpp_daily_pro(ivma), npp_daily_pro(ivma), & |
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| 298 | resp_maint_pro(ivma), resp_growth_pro(ivma), & |
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| 299 | resp_hetero_pro(ivma), co2_fire_pro(ivma), & |
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| 300 | convflux,prod10,prod100) |
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| 301 | |
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| 302 | !++TEMP++ |
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| 303 | ! Here we substract the outgoing fraction from the source PFT. |
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| 304 | ! If a too small fraction remains in this source PFT, then it is |
|---|
| 305 | ! exhausted, we empty it. The subroutine 'empty_pft' might be |
|---|
| 306 | ! combined with 'collect_legacy_pft', but now we just put it here. |
|---|
| 307 | DO ivm = 1,nvm |
|---|
| 308 | IF( glcc_pftmtc(ipts,ivm,ivma)>zero ) THEN |
|---|
| 309 | veget_max(ipts,ivm) = veget_max(ipts,ivm)-glcc_pftmtc(ipts,ivm,ivma) |
|---|
| 310 | IF ( veget_max(ipts,ivm)<min_stomate ) THEN |
|---|
| 311 | CALL empty_pft(ipts, ivm, veget_max, biomass, ind, & |
|---|
| 312 | carbon, litter, lignin_struc, bm_to_litter, & |
|---|
| 313 | deepC_a, deepC_s, deepC_p, & |
|---|
| 314 | fuel_1hr, fuel_10hr, fuel_100hr, fuel_1000hr, & |
|---|
| 315 | gpp_daily, npp_daily, gpp_week, npp_longterm, & |
|---|
| 316 | co2_to_bm, resp_maint, resp_growth, resp_hetero, & |
|---|
| 317 | lm_lastyearmax, leaf_frac, leaf_age, age, & |
|---|
| 318 | everywhere, PFTpresent, when_growthinit, & |
|---|
| 319 | senescence, gdd_from_growthinit, gdd_midwinter, & |
|---|
| 320 | time_hum_min, gdd_m5_dormance, ncd_dormance, & |
|---|
| 321 | moiavail_month, moiavail_week, ngd_minus5) |
|---|
| 322 | ENDIF |
|---|
| 323 | ENDIF |
|---|
| 324 | ENDDO |
|---|
| 325 | |
|---|
| 326 | ENDIF !IF ( glcc_mtc(ipts,ivma) .GT. min_stomate ) |
|---|
| 327 | ENDDO ! (DO ivma = 2,nvmap) |
|---|
| 328 | |
|---|
| 329 | ! We can only establish new youngest proxy and add it to the |
|---|
| 330 | ! existing youngest-age PFT after all wood product extraction is done, to |
|---|
| 331 | ! avoid the dilution of extractable biomass by the young proxy |
|---|
| 332 | ! and ensure consistency. Therefore now we have to loop again |
|---|
| 333 | ! over nvmap. |
|---|
| 334 | DO ivma = 2,nvmap |
|---|
| 335 | !IF ( glcc_mtc(ipts,ivma) .GT. min_stomate ) THEN |
|---|
| 336 | |
|---|
| 337 | ipft_young_agec = start_index(ivma) |
|---|
| 338 | |
|---|
| 339 | ! 2. we establish a proxy PFT with the fraction of veget_max_pro, |
|---|
| 340 | ! which is going to be either merged with existing target |
|---|
| 341 | ! `ipft_young_agec` PFT, or fill the place if no existing target PFT |
|---|
| 342 | ! exits. |
|---|
| 343 | CALL initialize_proxy_pft(ipts,ipft_young_agec,veget_max_pro(ivma), & |
|---|
| 344 | biomass_pro(ivma,:,:), co2_to_bm_pro(ivma), ind_pro(ivma), & |
|---|
| 345 | age_pro(ivma), & |
|---|
| 346 | senescence_pro(ivma), PFTpresent_pro(ivma), & |
|---|
| 347 | lm_lastyearmax_pro(ivma), everywhere_pro(ivma), & |
|---|
| 348 | npp_longterm_pro(ivma), & |
|---|
| 349 | leaf_frac_pro(ivma,:),leaf_age_pro(ivma,:)) |
|---|
| 350 | |
|---|
| 351 | CALL sap_take (ipts,ivma,veget_max,biomass_pro(ivma,:,:), & |
|---|
| 352 | biomass,co2_to_bm_pro(ivma)) |
|---|
| 353 | |
|---|
| 354 | ! 3. we merge the newly initiazlized proxy PFT into existing one |
|---|
| 355 | ! or use it to fill an empty PFT slot. |
|---|
| 356 | CALL add_incoming_proxy_pft(npts, ipts, ipft_young_agec, veget_max_pro(ivma),& |
|---|
| 357 | carbon_pro(ivma,:), litter_pro(ivma,:,:,:), lignin_struc_pro(ivma,:), & |
|---|
| 358 | bm_to_litter_pro(ivma,:,:), & |
|---|
| 359 | deepC_a_pro(ivma,:), deepC_s_pro(ivma,:), deepC_p_pro(ivma,:), & |
|---|
| 360 | fuel_1hr_pro(ivma,:,:), fuel_10hr_pro(ivma,:,:), & |
|---|
| 361 | fuel_100hr_pro(ivma,:,:), fuel_1000hr_pro(ivma,:,:), & |
|---|
| 362 | biomass_pro(ivma,:,:), co2_to_bm_pro(ivma), & |
|---|
| 363 | npp_longterm_pro(ivma), ind_pro(ivma), & |
|---|
| 364 | lm_lastyearmax_pro(ivma), age_pro(ivma), everywhere_pro(ivma), & |
|---|
| 365 | leaf_frac_pro(ivma,:), leaf_age_pro(ivma,:), & |
|---|
| 366 | PFTpresent_pro(ivma), senescence_pro(ivma), & |
|---|
| 367 | gpp_daily_pro(ivma), npp_daily_pro(ivma), & |
|---|
| 368 | resp_maint_pro(ivma), resp_growth_pro(ivma), & |
|---|
| 369 | resp_hetero_pro(ivma), co2_fire_pro(ivma), & |
|---|
| 370 | veget_max, carbon, litter, lignin_struc, bm_to_litter, & |
|---|
| 371 | deepC_a, deepC_s, deepC_p, & |
|---|
| 372 | fuel_1hr, fuel_10hr, fuel_100hr, fuel_1000hr, & |
|---|
| 373 | biomass, co2_to_bm, npp_longterm, ind, & |
|---|
| 374 | lm_lastyearmax, age, everywhere, & |
|---|
| 375 | leaf_frac, leaf_age, PFTpresent, senescence, & |
|---|
| 376 | gpp_daily, npp_daily, resp_maint, resp_growth, & |
|---|
| 377 | resp_hetero, co2_fire) |
|---|
| 378 | |
|---|
| 379 | !ENDIF !IF ( glcc_mtc(ipts,ivma) .GT. min_stomate ) |
|---|
| 380 | ENDDO !(DO ivma=1,nvmap) |
|---|
| 381 | |
|---|
| 382 | ENDDO !(DO ipts=1,npts) |
|---|
| 383 | |
|---|
| 384 | !! Update 10 year-turnover pool content following flux emission |
|---|
| 385 | !! (linear decay (10%) of the initial carbon input) |
|---|
| 386 | DO l = 0, 8 |
|---|
| 387 | m = 10 - l |
|---|
| 388 | cflux_prod10(:,:) = cflux_prod10(:,:) + flux10(:,m,:) |
|---|
| 389 | prod10(:,m,:) = prod10(:,m-1,:) - flux10(:,m-1,:) |
|---|
| 390 | flux10(:,m,:) = flux10(:,m-1,:) |
|---|
| 391 | ENDDO |
|---|
| 392 | |
|---|
| 393 | cflux_prod10(:,:) = cflux_prod10(:,:) + flux10(:,1,:) |
|---|
| 394 | flux10(:,1,:) = 0.1 * prod10(:,0,:) |
|---|
| 395 | prod10(:,1,:) = prod10(:,0,:) |
|---|
| 396 | |
|---|
| 397 | !! 2.4.3 update 100 year-turnover pool content following flux emission\n |
|---|
| 398 | DO l = 0, 98 |
|---|
| 399 | m = 100 - l |
|---|
| 400 | cflux_prod100(:,:) = cflux_prod100(:,:) + flux100(:,m,:) |
|---|
| 401 | prod100(:,m,:) = prod100(:,m-1,:) - flux100(:,m-1,:) |
|---|
| 402 | flux100(:,m,:) = flux100(:,m-1,:) |
|---|
| 403 | ENDDO |
|---|
| 404 | |
|---|
| 405 | cflux_prod100(:,:) = cflux_prod100(:,:) + flux100(:,1,:) |
|---|
| 406 | flux100(:,1,:) = 0.01 * prod100(:,0,:) |
|---|
| 407 | prod100(:,1,:) = prod100(:,0,:) |
|---|
| 408 | prod10(:,0,:) = zero |
|---|
| 409 | prod100(:,0,:) = zero |
|---|
| 410 | |
|---|
| 411 | ! Write out history files |
|---|
| 412 | CALL histwrite_p (hist_id_stomate, 'glcc_pft', itime, & |
|---|
| 413 | glcc_pft, npts*nvm, horipft_index) |
|---|
| 414 | |
|---|
| 415 | DO ivma = 1, nvmap |
|---|
| 416 | WRITE(part_str,'(I2)') ivma |
|---|
| 417 | IF (ivma < 10) part_str(1:1) = '0' |
|---|
| 418 | CALL histwrite_p (hist_id_stomate, 'glcc_pftmtc_'//part_str(1:LEN_TRIM(part_str)), & |
|---|
| 419 | itime, glcc_pftmtc(:,:,ivma), npts*nvm, horipft_index) |
|---|
| 420 | ENDDO |
|---|
| 421 | |
|---|
| 422 | END SUBROUTINE glcc_bioe1 |
|---|
| 423 | |
|---|
| 424 | |
|---|
| 425 | ! ================================================================================================================================ |
|---|
| 426 | !! SUBROUTINE : glcc_bioe1_firstday |
|---|
| 427 | !! |
|---|
| 428 | !>\BRIEF : When necessary, adjust input glcc matrix, and allocate it |
|---|
| 429 | !! into different contributing age classes and receiving |
|---|
| 430 | !! youngest age classes. |
|---|
| 431 | !! \n |
|---|
| 432 | !_ ================================================================================================================================ |
|---|
| 433 | |
|---|
| 434 | ! Note: it has this name because this subroutine will also be called |
|---|
| 435 | ! the first day of each year to precalculate the forest loss for the |
|---|
| 436 | ! deforestation fire module. |
|---|
| 437 | SUBROUTINE glcc_bioe1_firstday(npts,veget_max_org,newvegfrac, & |
|---|
| 438 | glccSecondShift, glcc_pft, glcc_pftmtc) |
|---|
| 439 | |
|---|
| 440 | IMPLICIT NONE |
|---|
| 441 | |
|---|
| 442 | !! 0.1 Input variables |
|---|
| 443 | |
|---|
| 444 | INTEGER, INTENT(in) :: npts !! Domain size - number of pixels (unitless) |
|---|
| 445 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: veget_max_org !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 446 | !! May sum to |
|---|
| 447 | !! less than unity if the pixel has |
|---|
| 448 | !! nobio area. (unitless, 0-1) |
|---|
| 449 | REAL(r_std), DIMENSION(npts,nvmap), INTENT(in) :: newvegfrac !! used to guid the allocation of new PFTs. |
|---|
| 450 | !! |
|---|
| 451 | REAL(r_std), DIMENSION (npts,12),INTENT(in) :: glccSecondShift !! the land-cover-change (LCC) matrix in case a gross LCC is |
|---|
| 452 | !! used. |
|---|
| 453 | |
|---|
| 454 | !! 0.2 Output variables |
|---|
| 455 | REAL(r_std), DIMENSION(npts,nvm,nvmap), INTENT(inout) :: glcc_pftmtc !! a temporary variable to hold the fractions each PFT is going to lose |
|---|
| 456 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: glcc_pft !! Loss of fraction in each PFT |
|---|
| 457 | |
|---|
| 458 | !! 0.3 Modified variables |
|---|
| 459 | |
|---|
| 460 | !! 0.4 Local variables |
|---|
| 461 | REAL(r_std), DIMENSION(npts,nvmap) :: veget_mtc !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 462 | REAL(r_std), DIMENSION(npts,nvmap) :: veget_mtc_begin !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 463 | REAL(r_std), DIMENSION(npts,nagec_tree) :: vegagec_tree !! fraction of tree age-class groups, in sequence of old->young |
|---|
| 464 | REAL(r_std), DIMENSION(npts,nagec_herb) :: vegagec_grass !! fraction of grass age-class groups, in sequence of old->young |
|---|
| 465 | REAL(r_std), DIMENSION(npts,nagec_herb) :: vegagec_pasture !! fraction of pasture age-class groups, in sequence of old->young |
|---|
| 466 | REAL(r_std), DIMENSION(npts,nagec_herb) :: vegagec_crop !! fraction of crop age-class groups, in sequence of old->young |
|---|
| 467 | REAL(r_std), DIMENSION(npts,nagec_bioe1) :: vegagec_bioe1 !! fraction of crop age-class groups, in sequence of old->young |
|---|
| 468 | |
|---|
| 469 | |
|---|
| 470 | REAL(r_std), DIMENSION(npts,4) :: veget_4veg !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 471 | REAL(r_std), DIMENSION(npts) :: veget_tree !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 472 | REAL(r_std), DIMENSION(npts) :: veget_grass !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 473 | REAL(r_std), DIMENSION(npts) :: veget_pasture !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 474 | REAL(r_std), DIMENSION(npts) :: veget_crop !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 475 | REAL(r_std), DIMENSION(npts) :: veget_bioe1 !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 476 | |
|---|
| 477 | REAL(r_std), DIMENSION(npts,nvm) :: veget_max !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 478 | REAL(r_std), DIMENSION(npts,nvm) :: veget_max_old !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 479 | REAL(r_std), DIMENSION(npts,nvm) :: glcc_pft_tmp !! Loss of fraction in each PFT |
|---|
| 480 | |
|---|
| 481 | REAL(r_std), DIMENSION(npts,nvm,nvmap) :: glcc_pftmtc_SecShift !! a temporary variable to hold the fractions each PFT is going to lose |
|---|
| 482 | REAL(r_std), DIMENSION(npts,12) :: glccRealSecShift !! real matrix applied for secondary shifting cultivation. |
|---|
| 483 | REAL(r_std), DIMENSION(npts,12) :: glccDefSecShift !! deficit for the glccSecondShift |
|---|
| 484 | REAL(r_std), DIMENSION(npts,12) :: glccRemain !! |
|---|
| 485 | REAL(r_std), DIMENSION(npts,12) :: glccSecondShift_remain !! |
|---|
| 486 | |
|---|
| 487 | REAL(r_std), DIMENSION(npts,nvm) :: glccReal_tmp !! A temporary variable |
|---|
| 488 | |
|---|
| 489 | LOGICAL, SAVE :: glcc_bioe1_firstday_done = .FALSE. |
|---|
| 490 | |
|---|
| 491 | ! Different indexes for convenient local uses |
|---|
| 492 | INTEGER :: f_to_bioe1=1, g_to_bioe1=2, p_to_bioe1=3, c_to_bioe1=4, & |
|---|
| 493 | bioe1_to_f=5, bioe1_to_g=6, bioe1_to_p=7, bioe1_to_c=8 |
|---|
| 494 | |
|---|
| 495 | INTEGER :: ivma |
|---|
| 496 | |
|---|
| 497 | INTEGER :: ipts,IndStart_f,IndEnd_f |
|---|
| 498 | CHARACTER(LEN=10) :: part_str !! string suffix indicating an index |
|---|
| 499 | |
|---|
| 500 | !Some more local configurations |
|---|
| 501 | LOGICAL :: allow_youngest_forest_convert = .TRUE. |
|---|
| 502 | |
|---|
| 503 | ! Initialization |
|---|
| 504 | glcc_pftmtc = zero |
|---|
| 505 | glcc_pft = zero |
|---|
| 506 | glcc_pft_tmp = zero |
|---|
| 507 | |
|---|
| 508 | !!! ** Land cover change processes start here ** !!! |
|---|
| 509 | ! we make copies of original input veget_max (which is veget_max_org |
|---|
| 510 | ! in the subroutine parameter list). |
|---|
| 511 | ! veget_max will be modified through different operations in order to |
|---|
| 512 | ! check various purposes, e.g., whether input glcc matrix |
|---|
| 513 | ! is compatible with existing veget_max and how to allocate it etc. |
|---|
| 514 | ! veget_max_old will not be modified |
|---|
| 515 | veget_max(:,:) = veget_max_org(:,:) |
|---|
| 516 | veget_max_old(:,:) = veget_max_org(:,:) |
|---|
| 517 | |
|---|
| 518 | !! 3. Treat secondary-agriculture shifting cultivation transition matrix |
|---|
| 519 | !! [The primary-agriculture shifting cultivation will be treated together |
|---|
| 520 | !! with the netLCC transitions, with the conversion sequence of oldest-> |
|---|
| 521 | !! youngest is applied.] |
|---|
| 522 | ! When we prepare the driving data, secondary-agriculture shifting cultivation |
|---|
| 523 | ! is intended to include the "constant transitions" over time. Ideally, we |
|---|
| 524 | ! should start applying this secondary-agriculture shifting cultivation with |
|---|
| 525 | ! the "secondary forest" in the model. Here we tentatively start with the 3rd |
|---|
| 526 | ! youngest age class and move to the 2ne youngest age class. But if the prescribed |
|---|
| 527 | ! transition fraction is not met, we then move further to 4th youngest age class |
|---|
| 528 | ! and then move to the oldest age class sequentially. |
|---|
| 529 | |
|---|
| 530 | CALL calc_cover_bioe1(npts,veget_max,veget_mtc_begin,vegagec_tree,vegagec_grass, & |
|---|
| 531 | vegagec_pasture,vegagec_crop,vegagec_bioe1) |
|---|
| 532 | veget_mtc = veget_mtc_begin |
|---|
| 533 | |
|---|
| 534 | !! 3.1 We start treating secondary-agriculture cultivation from the 3rd youngest |
|---|
| 535 | !! age class and then move to the younger age class. |
|---|
| 536 | ! Because it's rather complicated to calculate which transtion fraction between |
|---|
| 537 | ! which vegetation types should occur in case there is deficit occuring |
|---|
| 538 | ! for the overall donation vegetation type, we will just start from some |
|---|
| 539 | ! priority and leave the unrealized parts into the latter section. |
|---|
| 540 | |
|---|
| 541 | ! For this purpose, we should first make a copy of glccSecondShift into |
|---|
| 542 | ! glccRemain. glccRemain will tell us the transition fractions that have to |
|---|
| 543 | ! be treated starting from `IndStart_f+1` oldest age class and moving torward older |
|---|
| 544 | ! age class. |
|---|
| 545 | glccRemain(:,:) = glccSecondShift(:,:) |
|---|
| 546 | |
|---|
| 547 | ! Now we will call type_conversion for each of the 12 transitions, starting |
|---|
| 548 | ! from `IndStart_f` age class moving to the 2nd youngest age class. We use glccRemain |
|---|
| 549 | ! to track the transtion fractions we should leave for the second case. |
|---|
| 550 | ! To make the code more flexible, we will store the start and end indecies |
|---|
| 551 | ! in variables. |
|---|
| 552 | |
|---|
| 553 | !*[Note: we do above process only for forest now, as we assume the conversion |
|---|
| 554 | ! of crop/pasture/grass to other types will start always from the oldest |
|---|
| 555 | ! age class] |
|---|
| 556 | |
|---|
| 557 | IndStart_f = nagec_tree-1 ! note the indecies and vegetfrac for tree age class |
|---|
| 558 | ! is from old to young |
|---|
| 559 | IndEnd_f = nagec_tree ! nagec_tree-2: The 3rd youngest age class |
|---|
| 560 | ! nagec_tree-1: The 2nd youngest age class |
|---|
| 561 | ! nagec_tree: The youngest age class |
|---|
| 562 | |
|---|
| 563 | IF (IndStart_f .LE. 0 .OR. IndEnd_f .LE. 0) THEN |
|---|
| 564 | write(numout,*) 'glcc_bioe1_firstday: Age class index cannot be negative or zero!' |
|---|
| 565 | STOP |
|---|
| 566 | ENDIF |
|---|
| 567 | |
|---|
| 568 | DO ipts=1,npts |
|---|
| 569 | !f_to_bioe1 |
|---|
| 570 | CALL type_conversion(ipts,f_to_bioe1,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 571 | indold_tree,indagec_tree,indagec_bioe1,num_bioe1_mulagec, & |
|---|
| 572 | IndEnd_f,nagec_bioe1, & |
|---|
| 573 | vegagec_tree,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp, & |
|---|
| 574 | glccRemain, & |
|---|
| 575 | .TRUE., iagec_start=IndStart_f) |
|---|
| 576 | !g_to_bioe1 |
|---|
| 577 | CALL type_conversion(ipts,g_to_bioe1,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 578 | indold_grass,indagec_grass,indagec_bioe1,num_bioe1_mulagec, & |
|---|
| 579 | nagec_herb,nagec_bioe1, & |
|---|
| 580 | vegagec_grass,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp,& |
|---|
| 581 | glccRemain, & |
|---|
| 582 | .TRUE.) |
|---|
| 583 | !p_to_bioe1 |
|---|
| 584 | CALL type_conversion(ipts,p_to_bioe1,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 585 | indold_pasture,indagec_pasture,indagec_bioe1,num_bioe1_mulagec, & |
|---|
| 586 | nagec_herb,nagec_bioe1, & |
|---|
| 587 | vegagec_pasture,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp,& |
|---|
| 588 | glccRemain, & |
|---|
| 589 | .TRUE.) |
|---|
| 590 | !c_to_bioe1 |
|---|
| 591 | CALL type_conversion(ipts,c_to_bioe1,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 592 | indold_crop,indagec_crop,indagec_bioe1,num_bioe1_mulagec, & |
|---|
| 593 | nagec_herb,nagec_bioe1, & |
|---|
| 594 | vegagec_crop,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp,& |
|---|
| 595 | glccRemain, & |
|---|
| 596 | .TRUE.) |
|---|
| 597 | !bioe1_to_f |
|---|
| 598 | CALL type_conversion(ipts,bioe1_to_f,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 599 | indold_bioe1,indagec_bioe1,indagec_tree,num_tree_mulagec, & |
|---|
| 600 | nagec_bioe1,nagec_tree, & |
|---|
| 601 | vegagec_bioe1,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp,& |
|---|
| 602 | glccRemain, & |
|---|
| 603 | .TRUE.) |
|---|
| 604 | !bioe1_to_g |
|---|
| 605 | CALL type_conversion(ipts,bioe1_to_g,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 606 | indold_bioe1,indagec_bioe1,indagec_grass,num_grass_mulagec, & |
|---|
| 607 | nagec_bioe1,nagec_herb, & |
|---|
| 608 | vegagec_bioe1,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp,& |
|---|
| 609 | glccRemain, & |
|---|
| 610 | .TRUE.) |
|---|
| 611 | !bioe1_to_p |
|---|
| 612 | CALL type_conversion(ipts,bioe1_to_p,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 613 | indold_bioe1,indagec_bioe1,indagec_pasture,num_pasture_mulagec, & |
|---|
| 614 | nagec_bioe1,nagec_herb, & |
|---|
| 615 | vegagec_bioe1,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp,& |
|---|
| 616 | glccRemain, & |
|---|
| 617 | .TRUE.) |
|---|
| 618 | !bioe1_to_c |
|---|
| 619 | CALL type_conversion(ipts,bioe1_to_c,glccSecondShift,veget_mtc,newvegfrac, & |
|---|
| 620 | indold_bioe1,indagec_bioe1,indagec_crop,num_crop_mulagec, & |
|---|
| 621 | nagec_bioe1,nagec_herb, & |
|---|
| 622 | vegagec_bioe1,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp,& |
|---|
| 623 | glccRemain, & |
|---|
| 624 | .TRUE.) |
|---|
| 625 | ENDDO |
|---|
| 626 | glccSecondShift_remain(:,:) = glccRemain(:,:) |
|---|
| 627 | |
|---|
| 628 | !! 3.2 We treat the remaing unrealized transtions from forest. Now we will |
|---|
| 629 | !! start with the 3rd oldest age class and then move to the oldest age class. |
|---|
| 630 | |
|---|
| 631 | CALL calc_cover_bioe1(npts,veget_max,veget_mtc,vegagec_tree,vegagec_grass, & |
|---|
| 632 | vegagec_pasture,vegagec_crop,vegagec_bioe1) |
|---|
| 633 | veget_mtc = veget_mtc_begin |
|---|
| 634 | |
|---|
| 635 | IndStart_f = nagec_tree ! note the indecies and vegetfrac for tree age class |
|---|
| 636 | ! is from old to young. |
|---|
| 637 | ! nagec_tree -3: The 4th youngest age class. |
|---|
| 638 | |
|---|
| 639 | IndEnd_f = 1 ! oldest-age class forest. |
|---|
| 640 | |
|---|
| 641 | IF (IndStart_f .LE. 0 .OR. IndEnd_f .LE. 0) THEN |
|---|
| 642 | write(numout,*) 'glcc_bioe1_firstday: Age class index cannot be negative or zero!' |
|---|
| 643 | STOP |
|---|
| 644 | ENDIF |
|---|
| 645 | |
|---|
| 646 | ! we start with the 3rd youngest age class and move up to the oldest age |
|---|
| 647 | ! class in the sequence of young->old, as indicated by the .FALSE. parameter |
|---|
| 648 | ! when calling the subroutine type_conversion. |
|---|
| 649 | DO ipts=1,npts |
|---|
| 650 | !f_to_bioe1 |
|---|
| 651 | CALL type_conversion(ipts,f_to_bioe1,glccSecondShift_remain,veget_mtc,newvegfrac, & |
|---|
| 652 | indold_tree,indagec_tree,indagec_bioe1,num_bioe1_mulagec, & |
|---|
| 653 | IndEnd_f,nagec_bioe1, & |
|---|
| 654 | vegagec_tree,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp, & |
|---|
| 655 | glccRemain, & |
|---|
| 656 | .FALSE., iagec_start=IndStart_f) |
|---|
| 657 | ENDDO |
|---|
| 658 | |
|---|
| 659 | IF (allow_youngest_forest_convert) THEN |
|---|
| 660 | !!++Temp++!! |
|---|
| 661 | !! this block of 3.3 could be commented to remove this process as desribed |
|---|
| 662 | !! below. |
|---|
| 663 | |
|---|
| 664 | ! [2016-04-20] This is temporarily added: Normally we assume the youngest |
|---|
| 665 | ! forest age cohort will not be cut because in a shifting cultivation, they |
|---|
| 666 | ! are grown to let the land recover from agricultural process. (Or at least) |
|---|
| 667 | ! we can set the threshold of youngest age cohort to be very small. But there |
|---|
| 668 | ! are two reasons we allow the youngest forest cohort to be cut for shifting |
|---|
| 669 | ! cultivation purpose: a). Farmers may decide to harvest the wood of a forest |
|---|
| 670 | ! and then convert to crop. We don't simulate explicitly this process because |
|---|
| 671 | ! this will depend on input land change matrix and land use data assumptions. |
|---|
| 672 | ! However,we can implicitly account for this by assuming "farmers plant young |
|---|
| 673 | ! trees after harvesting the wood, and immediately convert this young trees |
|---|
| 674 | ! to crops. b). For the sake of conserving the total sum of veget_max before |
|---|
| 675 | ! and after the transition as one, we need to allow the youngest forest cohort |
|---|
| 676 | ! eligible for cutting. |
|---|
| 677 | |
|---|
| 678 | !! 3.3 We treat the remaing unrealized transtions from forest, allowing |
|---|
| 679 | !! the youngest forest cohort to be cut. For this purpose, we will |
|---|
| 680 | !! start with the 2nd youngest age class and then move to the youngest one. |
|---|
| 681 | |
|---|
| 682 | glccSecondShift_remain(:,:) = glccRemain(:,:) |
|---|
| 683 | |
|---|
| 684 | CALL calc_cover_bioe1(npts,veget_max,veget_mtc,vegagec_tree,vegagec_grass, & |
|---|
| 685 | vegagec_pasture,vegagec_crop,vegagec_bioe1) |
|---|
| 686 | veget_mtc = veget_mtc_begin |
|---|
| 687 | |
|---|
| 688 | ! Note: the setting of index here must be consistent with those of 3.1 and 3.2 |
|---|
| 689 | IndStart_f = nagec_tree-1 ! note the indecies and vegetfrac for tree age class |
|---|
| 690 | ! is from old to young. |
|---|
| 691 | ! nagec_tree -1: The 2nd youngest age class. |
|---|
| 692 | |
|---|
| 693 | IndEnd_f = nagec_tree ! youngest class forest. |
|---|
| 694 | |
|---|
| 695 | IF (IndStart_f .LE. 0 .OR. IndEnd_f .LE. 0) THEN |
|---|
| 696 | write(numout,*) 'glcc_bioe1_firstday: Age class index cannot be negative or zero!' |
|---|
| 697 | STOP |
|---|
| 698 | ENDIF |
|---|
| 699 | |
|---|
| 700 | ! we start with the 3rd youngest age class and move up to the oldest age |
|---|
| 701 | ! class in the sequence of young->old, as indicated by the .FALSE. parameter |
|---|
| 702 | ! when calling the subroutine type_conversion. |
|---|
| 703 | DO ipts=1,npts |
|---|
| 704 | !f_to_bioe1 |
|---|
| 705 | CALL type_conversion(ipts,f_to_bioe1,glccSecondShift_remain,veget_mtc,newvegfrac, & |
|---|
| 706 | indold_tree,indagec_tree,indagec_bioe1,num_bioe1_mulagec, & |
|---|
| 707 | IndEnd_f,nagec_bioe1, & |
|---|
| 708 | vegagec_tree,veget_max,glcc_pft,glcc_pftmtc,glcc_pft_tmp, & |
|---|
| 709 | glccRemain, & |
|---|
| 710 | .FALSE., iagec_start=IndStart_f) |
|---|
| 711 | ENDDO |
|---|
| 712 | !! End of ++Temp++ Section 3.3 |
|---|
| 713 | ENDIF |
|---|
| 714 | |
|---|
| 715 | ! Final handling of some output variables. |
|---|
| 716 | ! we separate the glcc_pftmtc_SecShift |
|---|
| 717 | glcc_pftmtc_SecShift = glcc_pftmtc |
|---|
| 718 | |
|---|
| 719 | ! we put the remaining glccRemain into the deficit |
|---|
| 720 | glccDefSecShift = -1 * glccRemain |
|---|
| 721 | glccRealSecShift = glccSecondShift - glccRemain |
|---|
| 722 | |
|---|
| 723 | !*****end block to handle glcc involving bioenergy vegtation type ******* |
|---|
| 724 | |
|---|
| 725 | IF (.NOT. glcc_bioe1_firstday_done) THEN |
|---|
| 726 | |
|---|
| 727 | glccReal_tmp = zero |
|---|
| 728 | |
|---|
| 729 | glccReal_tmp(:,1:12) = glccRealSecShift |
|---|
| 730 | CALL histwrite_p (hist_id_stomate, 'glccRealSecShift', itime, & |
|---|
| 731 | glccReal_tmp, npts*nvm, horipft_index) |
|---|
| 732 | |
|---|
| 733 | glccReal_tmp(:,1:12) = glccDefSecShift |
|---|
| 734 | CALL histwrite_p (hist_id_stomate, 'glccDefSecShift', itime, & |
|---|
| 735 | glccReal_tmp, npts*nvm, horipft_index) |
|---|
| 736 | |
|---|
| 737 | DO ivma = 1, nvmap |
|---|
| 738 | WRITE(part_str,'(I2)') ivma |
|---|
| 739 | IF (ivma < 10) part_str(1:1) = '0' |
|---|
| 740 | CALL histwrite_p (hist_id_stomate, 'glcc_pftmtc_SF_'//part_str(1:LEN_TRIM(part_str)), & |
|---|
| 741 | itime, glcc_pftmtc_SecShift(:,:,ivma), npts*nvm, horipft_index) |
|---|
| 742 | ENDDO |
|---|
| 743 | |
|---|
| 744 | glcc_bioe1_firstday_done = .TRUE. |
|---|
| 745 | ENDIF |
|---|
| 746 | |
|---|
| 747 | END SUBROUTINE glcc_bioe1_firstday |
|---|
| 748 | |
|---|
| 749 | SUBROUTINE calc_cover_bioe1(npts,veget_max,veget_mtc,vegagec_tree,vegagec_grass, & |
|---|
| 750 | vegagec_pasture,vegagec_crop,vegagec_bioe1) |
|---|
| 751 | |
|---|
| 752 | |
|---|
| 753 | IMPLICIT NONE |
|---|
| 754 | |
|---|
| 755 | !! Input variables |
|---|
| 756 | INTEGER, INTENT(in) :: npts !! Domain size - number of pixels (unitless) |
|---|
| 757 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: veget_max !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 758 | |
|---|
| 759 | !! Output variables |
|---|
| 760 | REAL(r_std), DIMENSION(npts,nvmap), INTENT(inout) :: veget_mtc !! "maximal" coverage fraction of a PFT on the ground |
|---|
| 761 | REAL(r_std), DIMENSION(npts,nagec_tree), INTENT(inout) :: vegagec_tree !! fraction of tree age-class groups, in sequence of old->young |
|---|
| 762 | REAL(r_std), DIMENSION(npts,nagec_herb), INTENT(inout) :: vegagec_grass !! fraction of grass age-class groups, in sequence of old->young |
|---|
| 763 | REAL(r_std), DIMENSION(npts,nagec_herb), INTENT(inout) :: vegagec_pasture !! fraction of pasture age-class groups, in sequence of old->young |
|---|
| 764 | REAL(r_std), DIMENSION(npts,nagec_herb), INTENT(inout) :: vegagec_crop !! fraction of crop age-class groups, in sequence of old->young |
|---|
| 765 | REAL(r_std), DIMENSION(npts,nagec_bioe1), INTENT(inout) :: vegagec_bioe1 !! fraction of bioenergy tree age-class groups, in sequence of old->young |
|---|
| 766 | |
|---|
| 767 | !! Local variables |
|---|
| 768 | INTEGER(i_std) :: ivma,staind,endind,j !! indices (unitless) |
|---|
| 769 | |
|---|
| 770 | veget_mtc(:,:) = 0. |
|---|
| 771 | vegagec_tree(:,:) = 0. |
|---|
| 772 | vegagec_grass(:,:) = 0. |
|---|
| 773 | vegagec_pasture(:,:) = 0. |
|---|
| 774 | vegagec_crop(:,:) = 0. |
|---|
| 775 | vegagec_bioe1(:,:) = 0. |
|---|
| 776 | |
|---|
| 777 | ! Calculate veget_max for MTCs |
|---|
| 778 | DO ivma = 1,nvmap |
|---|
| 779 | staind = start_index(ivma) |
|---|
| 780 | IF (nagec_pft(ivma) == 1) THEN |
|---|
| 781 | veget_mtc(:,ivma) = veget_max(:,staind) |
|---|
| 782 | ELSE |
|---|
| 783 | veget_mtc(:,ivma) = \ |
|---|
| 784 | SUM(veget_max(:,staind:staind+nagec_pft(ivma)-1),DIM=2) |
|---|
| 785 | ENDIF |
|---|
| 786 | ENDDO |
|---|
| 787 | |
|---|
| 788 | ! Calculate veget_max for each age class |
|---|
| 789 | DO ivma = 2,nvmap !here we start with 2 to exclude baresoil (always PFT1) |
|---|
| 790 | staind = start_index(ivma) |
|---|
| 791 | endind = staind+nagec_pft(ivma)-1 |
|---|
| 792 | |
|---|
| 793 | ! Single-age-class MTC goest to oldest age class. |
|---|
| 794 | IF (nagec_pft(ivma) == 1) THEN |
|---|
| 795 | WRITE(numout,*) "Error: metaclass has only a single age group: ",ivma |
|---|
| 796 | STOP |
|---|
| 797 | ELSE |
|---|
| 798 | IF (is_tree(staind)) THEN |
|---|
| 799 | DO j=1,nagec_tree |
|---|
| 800 | vegagec_tree(:,j) = vegagec_tree(:,j)+veget_max(:,endind-j+1) |
|---|
| 801 | ENDDO |
|---|
| 802 | ELSE IF (is_bioe1(staind)) THEN |
|---|
| 803 | DO j=1,nagec_bioe1 |
|---|
| 804 | vegagec_bioe1(:,j) = vegagec_bioe1(:,j)+veget_max(:,endind-j+1) |
|---|
| 805 | ENDDO |
|---|
| 806 | ELSE IF (is_grassland_manag(staind)) THEN |
|---|
| 807 | DO j=1,nagec_herb |
|---|
| 808 | vegagec_pasture(:,j) = vegagec_pasture(:,j)+veget_max(:,endind-j+1) |
|---|
| 809 | ENDDO |
|---|
| 810 | ELSE IF (natural(staind)) THEN |
|---|
| 811 | DO j=1,nagec_herb |
|---|
| 812 | vegagec_grass(:,j) = vegagec_grass(:,j)+veget_max(:,endind-j+1) |
|---|
| 813 | ENDDO |
|---|
| 814 | ELSE |
|---|
| 815 | DO j=1,nagec_herb |
|---|
| 816 | vegagec_crop(:,j) = vegagec_crop(:,j)+veget_max(:,endind-j+1) |
|---|
| 817 | ENDDO |
|---|
| 818 | ENDIF |
|---|
| 819 | ENDIF |
|---|
| 820 | ENDDO |
|---|
| 821 | |
|---|
| 822 | END SUBROUTINE calc_cover_bioe1 |
|---|
| 823 | |
|---|
| 824 | END MODULE stomate_glcc_bioe1 |
|---|
