[64] | 1 | ! Npp: Maintenance and growth respiration |
---|
| 2 | ! We calculte first the maintenance rspiration. This is substracted from the |
---|
| 3 | ! allocatable biomass (and from the present biomass if the GPP is too low). |
---|
| 4 | ! Of the rest, a part is lost as growth respiration, while the other part is |
---|
| 5 | ! effectively allocated. |
---|
| 6 | ! |
---|
| 7 | ! $Header: /home/ssipsl/CVSREP/ORCHIDEE/src_stomate/stomate_npp.f90,v 1.14 2010/04/20 14:12:04 ssipsl Exp $ |
---|
| 8 | ! IPSL (2006) |
---|
| 9 | ! This software is governed by the CeCILL licence see ORCHIDEE/ORCHIDEE_CeCILL.LIC |
---|
| 10 | ! |
---|
| 11 | MODULE stomate_npp |
---|
| 12 | |
---|
| 13 | ! modules used: |
---|
| 14 | |
---|
| 15 | USE ioipsl |
---|
| 16 | USE stomate_data |
---|
| 17 | USE constantes |
---|
| 18 | USE pft_parameters |
---|
| 19 | |
---|
| 20 | IMPLICIT NONE |
---|
| 21 | |
---|
| 22 | ! private & public routines |
---|
| 23 | |
---|
| 24 | PRIVATE |
---|
| 25 | PUBLIC npp_calc,npp_calc_clear |
---|
| 26 | |
---|
| 27 | ! first call |
---|
| 28 | LOGICAL, SAVE :: firstcall = .TRUE. |
---|
| 29 | |
---|
| 30 | CONTAINS |
---|
| 31 | |
---|
| 32 | SUBROUTINE npp_calc_clear |
---|
| 33 | firstcall=.TRUE. |
---|
| 34 | END SUBROUTINE npp_calc_clear |
---|
| 35 | |
---|
| 36 | SUBROUTINE npp_calc (npts, dt, & |
---|
| 37 | PFTpresent, & |
---|
| 38 | tlong_ref, t2m, tsoil, lai, rprof, & |
---|
| 39 | gpp, f_alloc, bm_alloc, resp_maint_part,& |
---|
| 40 | biomass, leaf_age, leaf_frac, age, & |
---|
| 41 | resp_maint, resp_growth, npp) |
---|
| 42 | |
---|
| 43 | ! |
---|
| 44 | ! 0 declarations |
---|
| 45 | ! |
---|
| 46 | |
---|
| 47 | ! 0.1 input |
---|
| 48 | |
---|
| 49 | ! Domain size |
---|
| 50 | INTEGER(i_std), INTENT(in) :: npts |
---|
| 51 | ! time step (days) |
---|
| 52 | REAL(r_std), INTENT(in) :: dt |
---|
| 53 | ! PFT exists |
---|
| 54 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
---|
| 55 | ! long term annual mean 2 meter reference temperature |
---|
| 56 | REAL(r_std), DIMENSION(npts), INTENT(in) :: tlong_ref |
---|
| 57 | ! 2 meter temperature |
---|
| 58 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m |
---|
| 59 | ! soil temperature (K) |
---|
| 60 | REAL(r_std), DIMENSION(npts,nbdl), INTENT(in) :: tsoil |
---|
| 61 | ! leaf area index |
---|
| 62 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: lai |
---|
| 63 | ! root depth (m) |
---|
| 64 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: rprof |
---|
| 65 | ! gross primary productivity (gC/days/(m**2 of ground)) |
---|
| 66 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: gpp |
---|
| 67 | ! fraction that goes into plant part |
---|
| 68 | REAL(r_std), DIMENSION(npts,nvm,nparts), INTENT(in) :: f_alloc |
---|
| 69 | ! maintenance respiration of different plant parts (gC/day/m**2 of ground) |
---|
| 70 | REAL(r_std), DIMENSION(npts,nvm,nparts), INTENT(in) :: resp_maint_part |
---|
| 71 | |
---|
| 72 | ! 0.2 modified fields |
---|
| 73 | |
---|
| 74 | ! biomass (gC/(m**2 of ground)) |
---|
| 75 | REAL(r_std), DIMENSION(npts,nvm,nparts), INTENT(inout) :: biomass |
---|
| 76 | ! leaf age (days) |
---|
| 77 | REAL(r_std), DIMENSION(npts,nvm,nleafages), INTENT(inout) :: leaf_age |
---|
| 78 | ! fraction of leaves in leaf age class |
---|
| 79 | REAL(r_std), DIMENSION(npts,nvm,nleafages), INTENT(inout) :: leaf_frac |
---|
| 80 | ! age (years) |
---|
| 81 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: age |
---|
| 82 | |
---|
| 83 | ! 0.3 output |
---|
| 84 | |
---|
| 85 | ! maintenance respiration (gC/day/m**2 of total ground) |
---|
| 86 | REAL(r_std), DIMENSION(npts,nvm), INTENT(out) :: resp_maint |
---|
| 87 | ! autotrophic respiration (gC/day/m**2 of total ground) |
---|
| 88 | REAL(r_std), DIMENSION(npts,nvm), INTENT(out) :: resp_growth |
---|
| 89 | ! net primary productivity (gC/day/m**2 of ground) |
---|
| 90 | REAL(r_std), DIMENSION(npts,nvm), INTENT(out) :: npp |
---|
| 91 | ! biomass increase, i.e. NPP per plant part |
---|
| 92 | REAL(r_std), DIMENSION(npts,nvm,nparts), INTENT(out) :: bm_alloc |
---|
| 93 | |
---|
| 94 | ! 0.4 local |
---|
| 95 | |
---|
| 96 | ! soil levels (m) |
---|
| 97 | REAL(r_std), SAVE, DIMENSION(0:nbdl) :: z_soil |
---|
| 98 | ! root temperature (convolution of root and soil temperature profiles) |
---|
| 99 | REAL(r_std), DIMENSION(npts,nvm) :: t_root |
---|
| 100 | ! maintenance respiration coefficients at 0 deg C (g/g d**-1) |
---|
| 101 | REAL(r_std), DIMENSION(npts,nvm,nparts) :: coeff_maint |
---|
| 102 | ! temperature which is pertinent for maintenance respiration (K) |
---|
| 103 | REAL(r_std), DIMENSION(npts,nparts) :: t_maint |
---|
| 104 | ! integration constant for root profile |
---|
| 105 | REAL(r_std), DIMENSION(npts) :: rpc |
---|
| 106 | ! long term annual mean temperature, C |
---|
| 107 | REAL(r_std), DIMENSION(npts) :: tl |
---|
| 108 | ! slope of maintenance respiration coefficient (1/K) |
---|
| 109 | REAL(r_std), DIMENSION(npts) :: slope |
---|
| 110 | ! growth respiration of different plant parts (gC/day/m**2 of ground) |
---|
| 111 | REAL(r_std), DIMENSION(npts,nparts) :: resp_growth_part |
---|
| 112 | ! allocatable biomass (gC/m**2 of ground) for the whole plant |
---|
| 113 | REAL(r_std), DIMENSION(npts,nvm) :: bm_alloc_tot |
---|
| 114 | ! biomass increase |
---|
| 115 | REAL(r_std), DIMENSION(npts) :: bm_add |
---|
| 116 | ! new biomass |
---|
| 117 | REAL(r_std), DIMENSION(npts) :: bm_new |
---|
| 118 | ! leaf mass in youngest age class (gC/m**2 of ground) |
---|
| 119 | REAL(r_std), DIMENSION(npts,nvm) :: leaf_mass_young |
---|
| 120 | ! leaf mass after maintenance respiration |
---|
| 121 | REAL(r_std), DIMENSION(npts,nvm) :: lm_old |
---|
| 122 | ! biomass created when biomass<0 because of dark respiration (gC/m**2 of ground) |
---|
| 123 | REAL(r_std), DIMENSION(npts,nvm) :: bm_create |
---|
| 124 | ! maximum part of allocatable biomass used for respiration |
---|
| 125 | REAL(r_std), DIMENSION(npts) :: bm_tax_max |
---|
| 126 | ! biomass that remains to be taken away |
---|
| 127 | REAL(r_std), DIMENSION(npts) :: bm_pump |
---|
| 128 | ! Index |
---|
| 129 | INTEGER(i_std) :: i,j,k,l,m |
---|
| 130 | |
---|
| 131 | ! ========================================================================= |
---|
| 132 | |
---|
| 133 | IF (bavard.GE.3) WRITE(numout,*) 'Entering npp' |
---|
| 134 | ! |
---|
| 135 | ! 1 Initializations |
---|
| 136 | ! |
---|
| 137 | |
---|
| 138 | ! |
---|
| 139 | ! 1.1 first call |
---|
| 140 | ! |
---|
| 141 | |
---|
| 142 | IF ( firstcall ) THEN |
---|
| 143 | |
---|
| 144 | ! 1.1.1 soil levels |
---|
| 145 | |
---|
[257] | 146 | z_soil(0) = zero |
---|
[64] | 147 | z_soil(1:nbdl) = diaglev(1:nbdl) |
---|
| 148 | |
---|
| 149 | ! 1.1.2 messages |
---|
| 150 | |
---|
| 151 | WRITE(numout,*) 'npp:' |
---|
| 152 | |
---|
| 153 | WRITE(numout,*) ' > max. fraction of allocatable biomass used for'// & |
---|
| 154 | ' maint. resp.:', tax_max |
---|
| 155 | |
---|
| 156 | firstcall = .FALSE. |
---|
| 157 | |
---|
| 158 | ENDIF |
---|
| 159 | |
---|
| 160 | ! |
---|
| 161 | ! 1.2 set output to zero |
---|
| 162 | ! |
---|
| 163 | |
---|
| 164 | bm_alloc(:,:,:) = zero |
---|
| 165 | resp_maint(:,:) = zero |
---|
| 166 | resp_growth(:,:) = zero |
---|
| 167 | npp(:,:) = zero |
---|
| 168 | |
---|
| 169 | ! |
---|
| 170 | ! 1.3 root temperature: convolution of root and temperature profiles |
---|
| 171 | ! suppose exponential root profile. |
---|
| 172 | ! |
---|
| 173 | |
---|
| 174 | DO j = 2,nvm |
---|
| 175 | |
---|
| 176 | ! 1.3.1 rpc is an integration constant such that the integral of the root profile is 1. |
---|
| 177 | |
---|
[257] | 178 | rpc(:) = un / ( un - EXP( -z_soil(nbdl) / rprof(:,j) ) ) |
---|
| 179 | |
---|
[64] | 180 | ! 1.3.2 integrate over the nbdl levels |
---|
| 181 | |
---|
| 182 | t_root(:,j) = zero |
---|
| 183 | |
---|
| 184 | DO l = 1, nbdl |
---|
| 185 | |
---|
| 186 | t_root(:,j) = & |
---|
| 187 | t_root(:,j) + tsoil(:,l) * rpc(:) * & |
---|
| 188 | ( EXP( -z_soil(l-1)/rprof(:,j) ) - EXP( -z_soil(l)/rprof(:,j) ) ) |
---|
| 189 | |
---|
| 190 | ENDDO |
---|
| 191 | |
---|
| 192 | ENDDO |
---|
| 193 | |
---|
| 194 | ! |
---|
| 195 | ! 1.4 total allocatable biomass |
---|
| 196 | ! |
---|
| 197 | |
---|
| 198 | bm_alloc_tot(:,:) = gpp(:,:) * dt |
---|
| 199 | |
---|
| 200 | ! |
---|
| 201 | ! 2 define maintenance respiration coefficients |
---|
| 202 | ! |
---|
| 203 | |
---|
| 204 | DO j = 2,nvm |
---|
| 205 | |
---|
| 206 | ! |
---|
| 207 | ! 2.1 temperature which is taken for the plant part we are talking about |
---|
| 208 | ! |
---|
| 209 | |
---|
| 210 | ! 2.1.1 parts above the ground |
---|
| 211 | |
---|
| 212 | t_maint(:,ileaf) = t2m(:) |
---|
| 213 | t_maint(:,isapabove) = t2m(:) |
---|
| 214 | t_maint(:,ifruit) = t2m(:) |
---|
| 215 | |
---|
| 216 | ! 2.1.2 parts below the ground |
---|
| 217 | |
---|
| 218 | t_maint(:,isapbelow) = t_root(:,j) |
---|
| 219 | t_maint(:,iroot) = t_root(:,j) |
---|
| 220 | |
---|
| 221 | ! 2.1.3 heartwood: does not respire. Any temperature |
---|
| 222 | |
---|
| 223 | t_maint(:,iheartbelow) = t_root(:,j) |
---|
| 224 | t_maint(:,iheartabove) = t2m(:) |
---|
| 225 | |
---|
| 226 | ! 2.1.4 reserve: above the ground for trees, below for grasses |
---|
| 227 | |
---|
| 228 | IF ( tree(j) ) THEN |
---|
| 229 | t_maint(:,icarbres) = t2m(:) |
---|
| 230 | ELSE |
---|
| 231 | t_maint(:,icarbres) = t_root(:,j) |
---|
| 232 | ENDIF |
---|
| 233 | |
---|
| 234 | ! |
---|
| 235 | ! 2.2 calculate coefficient |
---|
| 236 | ! |
---|
| 237 | |
---|
| 238 | tl(:) = tlong_ref(:) - ZeroCelsius |
---|
| 239 | slope(:) = maint_resp_slope(j,1) + tl(:) * maint_resp_slope(j,2) + & |
---|
| 240 | tl(:)*tl(:) * maint_resp_slope(j,3) |
---|
| 241 | |
---|
| 242 | DO k = 1, nparts |
---|
| 243 | |
---|
| 244 | coeff_maint(:,j,k) = & |
---|
| 245 | MAX( coeff_maint_zero(j,k) * & |
---|
[257] | 246 | ( un + slope(:) * (t_maint(:,k)-ZeroCelsius) ), zero ) |
---|
[64] | 247 | |
---|
| 248 | ENDDO |
---|
| 249 | |
---|
| 250 | ENDDO |
---|
| 251 | |
---|
| 252 | ! |
---|
| 253 | ! 3 calculate maintenance and growth respiration. |
---|
| 254 | ! NPP = GPP - maintenance resp - growth resp. |
---|
| 255 | ! |
---|
| 256 | ! |
---|
| 257 | DO j = 2,nvm |
---|
| 258 | |
---|
| 259 | ! |
---|
| 260 | ! 3.1 maintenance respiration of the different plant parts |
---|
| 261 | ! |
---|
| 262 | ! |
---|
| 263 | ! 3.2 Total maintenance respiration of the plant |
---|
| 264 | ! VPP killer: |
---|
| 265 | ! resp_maint(:,j) = SUM( resp_maint_part(:,:), DIM=2 ) |
---|
| 266 | ! |
---|
| 267 | |
---|
| 268 | resp_maint(:,j) = zero |
---|
| 269 | |
---|
| 270 | ! with the new calculation of hourly respiration, we must verify that |
---|
| 271 | ! PFT has not been killed after calcul of resp_maint_part in stomate |
---|
| 272 | DO k= 1, nparts |
---|
| 273 | WHERE (PFTpresent(:,j)) |
---|
| 274 | resp_maint(:,j) = resp_maint(:,j) + resp_maint_part(:,j,k) |
---|
| 275 | ENDWHERE |
---|
| 276 | ENDDO |
---|
| 277 | ! |
---|
| 278 | ! 3.3 This maintenance respiration is taken away from the newly produced |
---|
| 279 | ! allocatable biomass. However, we avoid that no allocatable biomass remains. |
---|
| 280 | ! If the respiration is larger than a given fraction of the allocatable biomass, |
---|
| 281 | ! the rest is taken from the tissues themselves. |
---|
| 282 | ! We suppose that respiration is not dependent on leaf age -> |
---|
| 283 | ! do not change age structure. |
---|
| 284 | ! |
---|
| 285 | |
---|
| 286 | ! maximum part of allocatable biomass used for respiration |
---|
| 287 | bm_tax_max(:) = tax_max * bm_alloc_tot(:,j) |
---|
| 288 | |
---|
| 289 | DO i = 1, npts |
---|
| 290 | |
---|
| 291 | IF ( ( bm_alloc_tot(i,j) .GT. zero ) .AND. & |
---|
| 292 | ( ( resp_maint(i,j) * dt ) .LT. bm_tax_max(i) ) ) THEN |
---|
| 293 | |
---|
| 294 | bm_alloc_tot(i,j) = bm_alloc_tot(i,j) - resp_maint(i,j) * dt |
---|
| 295 | |
---|
| 296 | !Shilong ELSEIF ( resp_maint(i,j) .GT. zero ) THEN |
---|
| 297 | ELSEIF ( resp_maint(i,j) .GT. min_stomate ) THEN |
---|
| 298 | |
---|
| 299 | ! remaining allocatable biomass |
---|
| 300 | bm_alloc_tot(i,j) = bm_alloc_tot(i,j) - bm_tax_max(i) |
---|
| 301 | |
---|
| 302 | ! biomass that remains to be taken away from tissues |
---|
| 303 | bm_pump(i) = resp_maint(i,j) * dt - bm_tax_max(i) |
---|
| 304 | |
---|
| 305 | ! take biomass from tissues |
---|
| 306 | |
---|
| 307 | biomass(i,j,ileaf) = biomass(i,j,ileaf) - & |
---|
| 308 | bm_pump(i) * resp_maint_part(i,j,ileaf) / resp_maint(i,j) |
---|
| 309 | biomass(i,j,isapabove) = biomass(i,j,isapabove) - & |
---|
| 310 | bm_pump(i) * resp_maint_part(i,j,isapabove) / resp_maint(i,j) |
---|
| 311 | biomass(i,j,isapbelow) = biomass(i,j,isapbelow) - & |
---|
| 312 | bm_pump(i) * resp_maint_part(i,j,isapbelow) / resp_maint(i,j) |
---|
| 313 | biomass(i,j,iroot) = biomass(i,j,iroot) - & |
---|
| 314 | bm_pump(i) * resp_maint_part(i,j,iroot) / resp_maint(i,j) |
---|
| 315 | biomass(i,j,ifruit) = biomass(i,j,ifruit) - & |
---|
| 316 | bm_pump(i) * resp_maint_part(i,j,ifruit) / resp_maint(i,j) |
---|
| 317 | biomass(i,j,icarbres) = biomass(i,j,icarbres) - & |
---|
| 318 | bm_pump(i) * resp_maint_part(i,j,icarbres) / resp_maint(i,j) |
---|
| 319 | |
---|
| 320 | ENDIF |
---|
| 321 | |
---|
| 322 | ENDDO ! Fortran95: WHERE - ELSEWHERE construct |
---|
| 323 | |
---|
| 324 | ! |
---|
| 325 | ! 3.4 dispatch allocatable biomass |
---|
| 326 | ! |
---|
| 327 | |
---|
| 328 | DO k = 1, nparts |
---|
| 329 | bm_alloc(:,j,k) = f_alloc(:,j,k) * bm_alloc_tot(:,j) |
---|
| 330 | ENDDO |
---|
| 331 | |
---|
| 332 | ! |
---|
| 333 | ! 3.5 growth respiration of a plant part is a given fraction of the |
---|
| 334 | ! remaining allocatable biomass. |
---|
| 335 | ! |
---|
| 336 | |
---|
| 337 | resp_growth_part(:,:) = frac_growthresp * bm_alloc(:,j,:) / dt |
---|
| 338 | |
---|
[257] | 339 | bm_alloc(:,j,:) = ( un - frac_growthresp ) * bm_alloc(:,j,:) |
---|
[64] | 340 | |
---|
| 341 | ! |
---|
| 342 | ! 3.6 Total growth respiration of the plant |
---|
| 343 | ! VPP killer: |
---|
| 344 | ! resp_growth(:,j) = SUM( resp_growth_part(:,:), DIM=2 ) |
---|
| 345 | ! |
---|
| 346 | |
---|
| 347 | resp_growth(:,j) = zero |
---|
| 348 | |
---|
| 349 | DO k = 1, nparts |
---|
| 350 | resp_growth(:,j) = resp_growth(:,j) + resp_growth_part(:,k) |
---|
| 351 | ENDDO |
---|
| 352 | |
---|
| 353 | ENDDO |
---|
| 354 | |
---|
| 355 | ! |
---|
| 356 | ! 4 update the biomass, but save the old leaf mass for later |
---|
| 357 | ! "old" leaf mass is leaf mass after maintenance respiration |
---|
| 358 | ! |
---|
| 359 | |
---|
| 360 | lm_old(:,:) = biomass(:,:,ileaf) |
---|
| 361 | |
---|
| 362 | biomass(:,:,:) = biomass(:,:,:) + bm_alloc(:,:,:) |
---|
| 363 | |
---|
| 364 | ! |
---|
| 365 | ! 5 biomass can become negative in some rare cases, as the GPP can be negative |
---|
| 366 | ! (dark respiration). |
---|
| 367 | ! In this case, set biomass to some small value. This creation of matter is taken into |
---|
| 368 | ! account by decreasing the autotrophic respiration. In this case, maintenance respiration |
---|
| 369 | ! can become negative !!! |
---|
| 370 | ! |
---|
| 371 | |
---|
| 372 | DO k = 1, nparts |
---|
| 373 | |
---|
| 374 | DO j = 2,nvm |
---|
| 375 | |
---|
| 376 | WHERE ( biomass(:,j,k) .LT. zero ) |
---|
| 377 | |
---|
| 378 | bm_create(:,j) = min_stomate - biomass(:,j,k) |
---|
| 379 | |
---|
| 380 | biomass(:,j,k) = biomass(:,j,k) + bm_create(:,j) |
---|
| 381 | |
---|
| 382 | resp_maint(:,j) = resp_maint(:,j) - bm_create(:,j) / dt |
---|
| 383 | |
---|
| 384 | ENDWHERE |
---|
| 385 | |
---|
| 386 | ENDDO |
---|
| 387 | |
---|
| 388 | ENDDO |
---|
| 389 | |
---|
| 390 | ! |
---|
| 391 | ! 6 Calculate the NPP (gC/(m**2 of ground/day) |
---|
| 392 | ! |
---|
| 393 | |
---|
| 394 | DO j = 2,nvm |
---|
| 395 | npp(:,j) = gpp(:,j) - resp_growth(:,j) - resp_maint(:,j) |
---|
| 396 | ENDDO |
---|
| 397 | |
---|
| 398 | ! |
---|
| 399 | ! 7 leaf age |
---|
| 400 | ! |
---|
| 401 | |
---|
| 402 | ! |
---|
| 403 | ! 7.1 Decrease leaf age in youngest class if new leaf biomass is higher than old one. |
---|
| 404 | ! |
---|
| 405 | |
---|
| 406 | DO j = 2,nvm |
---|
| 407 | leaf_mass_young(:,j) = leaf_frac(:,j,1) * lm_old(:,j) + bm_alloc(:,j,ileaf) |
---|
| 408 | ENDDO |
---|
| 409 | |
---|
| 410 | DO j = 2,nvm |
---|
| 411 | WHERE ( ( bm_alloc(:,j,ileaf) .GT. zero ) .AND. & |
---|
| 412 | ( leaf_mass_young(:,j) .GT. zero ) ) |
---|
| 413 | |
---|
| 414 | leaf_age(:,j,1) = MAX ( zero, & |
---|
| 415 | & leaf_age(:,j,1) * & |
---|
| 416 | & ( leaf_mass_young(:,j) - bm_alloc(:,j,ileaf) ) / & |
---|
| 417 | & leaf_mass_young(:,j) ) |
---|
| 418 | |
---|
| 419 | ENDWHERE |
---|
| 420 | ENDDO |
---|
| 421 | |
---|
| 422 | ! |
---|
| 423 | ! 7.2 new age class fractions (fraction in youngest class increases) |
---|
| 424 | ! |
---|
| 425 | |
---|
| 426 | ! 7.2.1 youngest class: new mass in youngest class divided by total new mass |
---|
| 427 | |
---|
| 428 | DO j = 2,nvm |
---|
| 429 | WHERE ( biomass(:,j,ileaf) .GT. min_stomate ) |
---|
| 430 | |
---|
| 431 | leaf_frac(:,j,1) = leaf_mass_young(:,j) / biomass(:,j,ileaf) |
---|
| 432 | |
---|
| 433 | ENDWHERE |
---|
| 434 | ENDDO |
---|
| 435 | |
---|
| 436 | ! 7.2.2 other classes: old mass in leaf age class divided by new mass |
---|
| 437 | |
---|
| 438 | DO m = 2, nleafages |
---|
| 439 | |
---|
| 440 | DO j = 2,nvm |
---|
| 441 | WHERE ( biomass(:,j,ileaf) .GT. min_stomate ) |
---|
| 442 | |
---|
| 443 | leaf_frac(:,j,m) = leaf_frac(:,j,m) * lm_old(:,j) / biomass(:,j,ileaf) |
---|
| 444 | |
---|
| 445 | ENDWHERE |
---|
| 446 | ENDDO |
---|
| 447 | |
---|
| 448 | ENDDO |
---|
| 449 | |
---|
| 450 | ! |
---|
| 451 | ! 8 Plant age (years) |
---|
| 452 | ! |
---|
| 453 | |
---|
| 454 | ! |
---|
| 455 | ! 8.1 Increase age at every time step |
---|
| 456 | ! |
---|
| 457 | |
---|
| 458 | WHERE ( PFTpresent(:,:) ) |
---|
| 459 | |
---|
| 460 | age(:,:) = age(:,:) + dt/one_year |
---|
| 461 | |
---|
| 462 | ELSEWHERE |
---|
| 463 | |
---|
| 464 | age(:,:) = zero |
---|
| 465 | |
---|
| 466 | ENDWHERE |
---|
| 467 | |
---|
| 468 | ! |
---|
| 469 | ! 8.2 For grasses, decrease age |
---|
| 470 | ! if new biomass is higher than old one. |
---|
| 471 | ! For trees, age is treated in "establish" if vegetation is dynamic, |
---|
| 472 | ! and in turnover routines if it is static (in this case, only take |
---|
| 473 | ! into account the age of the heartwood). |
---|
| 474 | ! |
---|
| 475 | |
---|
| 476 | DO j = 2,nvm |
---|
| 477 | |
---|
| 478 | IF ( .NOT. tree(j) ) THEN |
---|
| 479 | |
---|
| 480 | ! Only four compartments for grasses |
---|
| 481 | ! VPP killer: |
---|
| 482 | ! bm_new(:) = SUM( biomass(:,j,:), DIM=2 ) |
---|
| 483 | ! bm_add(:) = SUM( bm_alloc(:,j,:), DIM=2 ) |
---|
| 484 | |
---|
| 485 | bm_new(:) = biomass(:,j,ileaf) + biomass(:,j,isapabove) + & |
---|
| 486 | biomass(:,j,iroot) + biomass(:,j,ifruit) |
---|
| 487 | bm_add(:) = bm_alloc(:,j,ileaf) + bm_alloc(:,j,isapabove) + & |
---|
| 488 | bm_alloc(:,j,iroot) + bm_alloc(:,j,ifruit) |
---|
| 489 | |
---|
| 490 | WHERE ( ( bm_new(:) .GT. zero ) .AND. ( bm_add(:) .GT. zero ) ) |
---|
| 491 | age(:,j) = age(:,j) * ( bm_new(:) - bm_add(:) ) / bm_new(:) |
---|
| 492 | ENDWHERE |
---|
| 493 | |
---|
| 494 | ENDIF |
---|
| 495 | |
---|
| 496 | ENDDO |
---|
| 497 | |
---|
| 498 | ! |
---|
| 499 | ! 9 history |
---|
| 500 | ! |
---|
| 501 | |
---|
| 502 | CALL histwrite (hist_id_stomate, 'BM_ALLOC_LEAF', itime, & |
---|
| 503 | bm_alloc(:,:,ileaf), npts*nvm, horipft_index) |
---|
| 504 | CALL histwrite (hist_id_stomate, 'BM_ALLOC_SAP_AB', itime, & |
---|
| 505 | bm_alloc(:,:,isapabove), npts*nvm, horipft_index) |
---|
| 506 | CALL histwrite (hist_id_stomate, 'BM_ALLOC_SAP_BE', itime, & |
---|
| 507 | bm_alloc(:,:,isapbelow), npts*nvm, horipft_index) |
---|
| 508 | CALL histwrite (hist_id_stomate, 'BM_ALLOC_ROOT', itime, & |
---|
| 509 | bm_alloc(:,:,iroot), npts*nvm, horipft_index) |
---|
| 510 | CALL histwrite (hist_id_stomate, 'BM_ALLOC_FRUIT', itime, & |
---|
| 511 | bm_alloc(:,:,ifruit), npts*nvm, horipft_index) |
---|
| 512 | CALL histwrite (hist_id_stomate, 'BM_ALLOC_RES', itime, & |
---|
| 513 | bm_alloc(:,:,icarbres), npts*nvm, horipft_index) |
---|
| 514 | |
---|
| 515 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving npp' |
---|
| 516 | |
---|
| 517 | END SUBROUTINE npp_calc |
---|
| 518 | |
---|
| 519 | END MODULE stomate_npp |
---|