[9432] | 1 | MODULE asmphyto2dbal_medusa |
---|
[8428] | 2 | !!====================================================================== |
---|
[9432] | 3 | !! *** MODULE asmphyto2dbal_medusa *** |
---|
| 4 | !! Calculate increments to MEDUSA based on surface phyto2d increments |
---|
[8428] | 5 | !! |
---|
| 6 | !! IMPORTANT NOTE: This calls the bioanalysis routine of Hemmings et al. |
---|
| 7 | !! For licensing reasons this is kept in its own internal Met Office |
---|
| 8 | !! branch (dev/frdf/vn3.6_nitrogen_balancing) rather than in the Paris |
---|
| 9 | !! repository, and must be merged in when building. |
---|
| 10 | !! |
---|
| 11 | !!====================================================================== |
---|
[9432] | 12 | !! History : 3.6 ! 2017-08 (D. Ford) Adapted from asmphyto2dbal_hadocc |
---|
[8428] | 13 | !!---------------------------------------------------------------------- |
---|
[10141] | 14 | #if defined key_asminc && defined key_medusa |
---|
[8428] | 15 | !!---------------------------------------------------------------------- |
---|
| 16 | !! 'key_asminc' : assimilation increment interface |
---|
[8436] | 17 | !! 'key_medusa' : MEDUSA model |
---|
[8428] | 18 | !!---------------------------------------------------------------------- |
---|
[9432] | 19 | !! asm_phyto2d_bal_medusa : routine to calculate increments to MEDUSA |
---|
[8428] | 20 | !!---------------------------------------------------------------------- |
---|
| 21 | USE par_kind, ONLY: wp ! kind parameters |
---|
| 22 | USE par_oce, ONLY: jpi, jpj, jpk ! domain array sizes |
---|
| 23 | USE dom_oce, ONLY: gdepw_n ! domain information |
---|
[8485] | 24 | USE zdftmx, ONLY: ln_tmx_itf, & ! Indonesian Throughflow |
---|
| 25 | & mask_itf ! tidal mixing mask |
---|
[8428] | 26 | USE iom ! i/o |
---|
[8436] | 27 | USE sms_medusa ! MEDUSA parameters |
---|
| 28 | USE par_medusa ! MEDUSA parameters |
---|
[8428] | 29 | USE par_trc, ONLY: jptra ! Tracer parameters |
---|
| 30 | USE bioanalysis ! Nitrogen balancing |
---|
| 31 | |
---|
| 32 | IMPLICIT NONE |
---|
| 33 | PRIVATE |
---|
| 34 | |
---|
[9432] | 35 | PUBLIC asm_phyto2d_bal_medusa |
---|
[8428] | 36 | |
---|
| 37 | ! Default values for biological assimilation parameters |
---|
| 38 | ! Should match Hemmings et al. (2008) |
---|
| 39 | REAL(wp), PARAMETER :: balnutext = 0.6 !: Default nutrient balancing factor |
---|
| 40 | REAL(wp), PARAMETER :: balnutmin = 0.1 !: Fraction of phytoplankton loss to nutrient |
---|
| 41 | REAL(wp), PARAMETER :: r = 1 !: Reliability of model specific growth rate |
---|
| 42 | REAL(wp), PARAMETER :: beta_g = 0.05 !: Low rate bias correction for growth rate estimator |
---|
| 43 | REAL(wp), PARAMETER :: beta_l = 0.05 !: Low rate bias correction for primary loss rate estimator |
---|
| 44 | REAL(wp), PARAMETER :: beta_m = 0.05 !: Low rate bias correction for secondary loss rate estimator |
---|
| 45 | REAL(wp), PARAMETER :: a_g = 0.2 !: Error s.d. for log10 of growth rate estimator |
---|
| 46 | REAL(wp), PARAMETER :: a_l = 0.4 !: Error s.d. for log10 of primary loss rate estimator |
---|
| 47 | REAL(wp), PARAMETER :: a_m = 0.7 !: Error s.d. for log10 of secondary loss rate estimator |
---|
| 48 | REAL(wp), PARAMETER :: zfracb0 = 0.7 !: Base zooplankton fraction of loss to Z & D |
---|
| 49 | REAL(wp), PARAMETER :: zfracb1 = 0 !: Phytoplankton sensitivity of zooplankton fraction |
---|
| 50 | REAL(wp), PARAMETER :: qrfmax = 1.1 !: Maximum nutrient limitation reduction factor |
---|
| 51 | REAL(wp), PARAMETER :: qafmax = 1.1 !: Maximum nutrient limitation amplification factor |
---|
| 52 | REAL(wp), PARAMETER :: zrfmax = 2 !: Maximum zooplankton reduction factor |
---|
| 53 | REAL(wp), PARAMETER :: zafmax = 2 !: Maximum zooplankton amplification factor |
---|
| 54 | REAL(wp), PARAMETER :: prfmax = 10 !: Maximum phytoplankton reduction factor (secondary) |
---|
| 55 | REAL(wp), PARAMETER :: incphymin = 0.0001 !: Minimum size of non-zero phytoplankton increment |
---|
| 56 | REAL(wp), PARAMETER :: integnstep = 20 !: Number of steps for p.d.f. integral evaluation |
---|
| 57 | REAL(wp), PARAMETER :: pthreshold = 0.01 !: Fractional threshold level for setting p.d.f. |
---|
| 58 | ! |
---|
| 59 | LOGICAL, PARAMETER :: diag_active = .TRUE. !: Depth-independent diagnostics |
---|
| 60 | LOGICAL, PARAMETER :: diag_fulldepth_active = .TRUE. !: Full-depth diagnostics |
---|
| 61 | LOGICAL, PARAMETER :: gl_active = .TRUE. !: Growth/loss-based balancing |
---|
| 62 | LOGICAL, PARAMETER :: nbal_active = .TRUE. !: Nitrogen balancing |
---|
| 63 | LOGICAL, PARAMETER :: subsurf_active = .TRUE. !: Increments below MLD |
---|
| 64 | LOGICAL, PARAMETER :: deepneg_active = .FALSE. !: Negative primary increments below MLD |
---|
| 65 | LOGICAL, PARAMETER :: deeppos_active = .FALSE. !: Positive primary increments below MLD |
---|
| 66 | LOGICAL, PARAMETER :: nutprof_active = .TRUE. !: Secondary increments |
---|
| 67 | |
---|
| 68 | CONTAINS |
---|
| 69 | |
---|
[9432] | 70 | SUBROUTINE asm_phyto2d_bal_medusa( ld_chltot, & |
---|
| 71 | & pinc_chltot, & |
---|
| 72 | & ld_chldia, & |
---|
| 73 | & pinc_chldia, & |
---|
| 74 | & ld_chlnon, & |
---|
| 75 | & pinc_chlnon, & |
---|
| 76 | & ld_phytot, & |
---|
| 77 | & pinc_phytot, & |
---|
| 78 | & ld_phydia, & |
---|
| 79 | & pinc_phydia, & |
---|
| 80 | & ld_phynon, & |
---|
| 81 | & pinc_phynon, & |
---|
| 82 | & pincper, & |
---|
| 83 | & p_maxchlinc, ld_phytobal, pmld, & |
---|
| 84 | & pgrow_avg_bkg, ploss_avg_bkg, & |
---|
| 85 | & phyt_avg_bkg, mld_max_bkg, & |
---|
| 86 | & tracer_bkg, phyto2d_balinc ) |
---|
[8428] | 87 | !!--------------------------------------------------------------------------- |
---|
[9432] | 88 | !! *** ROUTINE asm_phyto2d_bal_medusa *** |
---|
[8428] | 89 | !! |
---|
[9431] | 90 | !! ** Purpose : calculate increments to MEDUSA from 2d phytoplankton increments |
---|
[8428] | 91 | !! |
---|
[9431] | 92 | !! ** Method : average up MEDUSA to look like HadOCC |
---|
[8428] | 93 | !! call nitrogen balancing scheme |
---|
[8436] | 94 | !! separate back out to MEDUSA |
---|
[8428] | 95 | !! |
---|
[9431] | 96 | !! ** Action : populate phyto2d_balinc |
---|
[8428] | 97 | !! |
---|
| 98 | !! References : Hemmings et al., 2008, J. Mar. Res. |
---|
| 99 | !! Ford et al., 2012, Ocean Sci. |
---|
| 100 | !!--------------------------------------------------------------------------- |
---|
| 101 | !! |
---|
[9431] | 102 | LOGICAL, INTENT(in ) :: ld_chltot ! Assim chltot y/n |
---|
| 103 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj) :: pinc_chltot ! chltot increments |
---|
| 104 | LOGICAL, INTENT(in ) :: ld_chldia ! Assim chldia y/n |
---|
| 105 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj) :: pinc_chldia ! chldia increments |
---|
| 106 | LOGICAL, INTENT(in ) :: ld_chlnon ! Assim chlnon y/n |
---|
| 107 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj) :: pinc_chlnon ! chlnon increments |
---|
| 108 | LOGICAL, INTENT(in ) :: ld_phytot ! Assim phytot y/n |
---|
| 109 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj) :: pinc_phytot ! phytot increments |
---|
| 110 | LOGICAL, INTENT(in ) :: ld_phydia ! Assim phydia y/n |
---|
| 111 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj) :: pinc_phydia ! phydia increments |
---|
| 112 | LOGICAL, INTENT(in ) :: ld_phynon ! Assim phynon y/n |
---|
| 113 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj) :: pinc_phynon ! phynon increments |
---|
| 114 | REAL(wp), INTENT(in ) :: pincper ! Assimilation period |
---|
| 115 | REAL(wp), INTENT(in ) :: p_maxchlinc ! Max chl increment |
---|
| 116 | LOGICAL, INTENT(in ) :: ld_phytobal ! Balancing y/n |
---|
| 117 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj) :: pmld ! Mixed layer depth |
---|
[8436] | 118 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj) :: pgrow_avg_bkg ! Avg phyto growth |
---|
| 119 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj) :: ploss_avg_bkg ! Avg phyto loss |
---|
| 120 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj) :: phyt_avg_bkg ! Avg phyto |
---|
| 121 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj) :: mld_max_bkg ! Max MLD |
---|
[8440] | 122 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj,jpk,jptra) :: tracer_bkg ! State variables |
---|
[9431] | 123 | REAL(wp), INTENT( out), DIMENSION(jpi,jpj,jpk,jptra) :: phyto2d_balinc ! Balancing increments |
---|
[8428] | 124 | !! |
---|
[8436] | 125 | INTEGER :: ji, jj, jk, jn ! Loop counters |
---|
[8428] | 126 | INTEGER :: jkmax ! Loop index |
---|
| 127 | INTEGER, DIMENSION(6) :: i_tracer ! Tracer indices |
---|
[8436] | 128 | REAL(wp) :: n2be_p ! N:biomass for total phy |
---|
| 129 | REAL(wp) :: n2be_z ! N:biomass for total zoo |
---|
| 130 | REAL(wp) :: n2be_d ! N:biomass for detritus |
---|
[9435] | 131 | REAL(wp) :: zfrac ! Fraction |
---|
[8436] | 132 | REAL(wp) :: zfrac_chn ! Fraction of jpchn |
---|
| 133 | REAL(wp) :: zfrac_chd ! Fraction of jpchd |
---|
| 134 | REAL(wp) :: zfrac_phn ! Fraction of jpphn |
---|
| 135 | REAL(wp) :: zfrac_phd ! Fraction of jpphd |
---|
| 136 | REAL(wp) :: zfrac_zmi ! Fraction of jpzmi |
---|
| 137 | REAL(wp) :: zfrac_zme ! Fraction of jpzme |
---|
| 138 | REAL(wp) :: zrat_pds_phd ! Ratio of jppds:jpphd |
---|
| 139 | REAL(wp) :: zrat_chd_phd ! Ratio of jpchd:jpphd |
---|
| 140 | REAL(wp) :: zrat_chn_phn ! Ratio of jpchn:jpphn |
---|
[9435] | 141 | REAL(wp) :: zrat_phn_chn ! Ratio of jpphn:jpchn |
---|
| 142 | REAL(wp) :: zrat_phd_chd ! Ratio of jpphd:jpchd |
---|
| 143 | REAL(wp) :: zrat_pds_chd ! Ratio of jppds:jpchd |
---|
[8436] | 144 | REAL(wp) :: zrat_dtc_det ! Ratio of jpdtc:jpdet |
---|
| 145 | REAL(wp), DIMENSION(jpi,jpj) :: cchl_p ! C:Chl for total phy |
---|
[8428] | 146 | REAL(wp), DIMENSION(16) :: modparm ! Model parameters |
---|
| 147 | REAL(wp), DIMENSION(20) :: assimparm ! Assimilation parameters |
---|
| 148 | REAL(wp), DIMENSION(jpi,jpj,jpk,6) :: bstate ! Background state |
---|
| 149 | REAL(wp), DIMENSION(jpi,jpj,jpk,6) :: outincs ! Balancing increments |
---|
| 150 | REAL(wp), DIMENSION(jpi,jpj,22) :: diag ! Depth-indep diagnostics |
---|
| 151 | REAL(wp), DIMENSION(jpi,jpj,jpk,22) :: diag_fulldepth ! Full-depth diagnostics |
---|
| 152 | !!--------------------------------------------------------------------------- |
---|
| 153 | |
---|
[9435] | 154 | ! If p_maxchlinc > 0 then cap total absolute chlorophyll increment at that value |
---|
| 155 | IF ( p_maxchlinc > 0.0 ) THEN |
---|
| 156 | IF ( ld_chltot ) THEN |
---|
| 157 | DO jj = 1, jpj |
---|
| 158 | DO ji = 1, jpi |
---|
[9431] | 159 | pinc_chltot(ji,jj) = MAX( -1.0 * p_maxchlinc, MIN( pinc_chltot(ji,jj), p_maxchlinc ) ) |
---|
[9435] | 160 | END DO |
---|
[9431] | 161 | END DO |
---|
[9435] | 162 | ELSE IF ( ld_chldia .AND. ld_chlnon ) THEN |
---|
| 163 | DO jj = 1, jpj |
---|
| 164 | DO ji = 1, jpi |
---|
| 165 | pinc_chltot(ji,jj) = pinc_chldia(ji,jj) + pinc_chlnon(ji,jj) |
---|
| 166 | pinc_chltot(ji,jj) = MAX( -1.0 * p_maxchlinc, MIN( pinc_chltot(ji,jj), p_maxchlinc ) ) |
---|
| 167 | IF ( pinc_chltot(ji,jj) .NE. ( pinc_chldia(ji,jj) + pinc_chlnon(ji,jj) ) ) THEN |
---|
| 168 | zfrac = pinc_chltot(ji,jj) / ( pinc_chldia(ji,jj) + pinc_chlnon(ji,jj) ) |
---|
| 169 | pinc_chldia(ji,jj) = pinc_chldia(ji,jj) * zfrac |
---|
| 170 | pinc_chlnon(ji,jj) = pinc_chlnon(ji,jj) * zfrac |
---|
| 171 | ENDIF |
---|
| 172 | END DO |
---|
| 173 | END DO |
---|
| 174 | ELSE IF ( ld_chldia ) THEN |
---|
| 175 | DO jj = 1, jpj |
---|
| 176 | DO ji = 1, jpi |
---|
| 177 | pinc_chldia(ji,jj) = MAX( -1.0 * p_maxchlinc, MIN( pinc_chldia(ji,jj), p_maxchlinc ) ) |
---|
| 178 | pinc_chltot(ji,jj) = pinc_chldia(ji,jj) |
---|
| 179 | END DO |
---|
| 180 | END DO |
---|
| 181 | ELSE IF ( ld_chlnon ) THEN |
---|
| 182 | DO jj = 1, jpj |
---|
| 183 | DO ji = 1, jpi |
---|
| 184 | pinc_chlnon(ji,jj) = MAX( -1.0 * p_maxchlinc, MIN( pinc_chlnon(ji,jj), p_maxchlinc ) ) |
---|
| 185 | pinc_chltot(ji,jj) = pinc_chlnon(ji,jj) |
---|
| 186 | END DO |
---|
| 187 | END DO |
---|
| 188 | ENDIF |
---|
[8648] | 189 | ENDIF |
---|
[9435] | 190 | |
---|
| 191 | IF ( ld_phytot .OR. ld_phydia .OR. ld_phynon ) THEN |
---|
| 192 | CALL ctl_stop( ' No phytoplankton carbon assimilation quite yet' ) |
---|
| 193 | ENDIF |
---|
[8428] | 194 | |
---|
[9431] | 195 | IF ( ld_phytobal ) THEN ! Nitrogen balancing |
---|
[8428] | 196 | |
---|
[8436] | 197 | ! Set up model parameters to be passed into Hemmings balancing routine. |
---|
| 198 | ! For now these are hardwired to the standard HadOCC parameter values |
---|
| 199 | ! (except C:N ratios) as this is what the scheme was developed for. |
---|
| 200 | ! Obviously, HadOCC and MEDUSA are rather different models, so this |
---|
| 201 | ! isn't ideal, but there's not always direct analogues between the two |
---|
| 202 | ! parameter sets, so it's the easiest way to get something running. |
---|
| 203 | ! In the longer term, some serious MarMOT-based development is required. |
---|
| 204 | modparm(1) = 0.1 ! grow_sat |
---|
| 205 | modparm(2) = 2.0 ! psmax |
---|
| 206 | modparm(3) = 0.845 ! par |
---|
| 207 | modparm(4) = 0.02 ! alpha |
---|
| 208 | modparm(5) = 0.05 ! resp_rate |
---|
| 209 | modparm(6) = 0.05 ! pmort_rate |
---|
| 210 | modparm(7) = 0.01 ! phyto_min |
---|
| 211 | modparm(8) = 0.05 ! z_mort_1 |
---|
| 212 | modparm(9) = 1.0 ! z_mort_2 |
---|
| 213 | modparm(10) = ( xthetapn + xthetapd ) / 2.0 ! c2n_p |
---|
| 214 | modparm(11) = ( xthetazmi + xthetazme ) / 2.0 ! c2n_z |
---|
| 215 | modparm(12) = xthetad ! c2n_d |
---|
| 216 | modparm(13) = 0.01 ! graze_threshold |
---|
| 217 | modparm(14) = 2.0 ! holling_coef |
---|
| 218 | modparm(15) = 0.5 ! graze_sat |
---|
| 219 | modparm(16) = 2.0 ! graze_max |
---|
[8428] | 220 | |
---|
| 221 | ! Set up assimilation parameters to be passed into balancing routine |
---|
| 222 | ! Not sure what assimparm(1) is meant to be, but it doesn't get used |
---|
| 223 | assimparm(2) = balnutext |
---|
| 224 | assimparm(3) = balnutmin |
---|
| 225 | assimparm(4) = r |
---|
| 226 | assimparm(5) = beta_g |
---|
| 227 | assimparm(6) = beta_l |
---|
| 228 | assimparm(7) = beta_m |
---|
| 229 | assimparm(8) = a_g |
---|
| 230 | assimparm(9) = a_l |
---|
| 231 | assimparm(10) = a_m |
---|
| 232 | assimparm(11) = zfracb0 |
---|
| 233 | assimparm(12) = zfracb1 |
---|
| 234 | assimparm(13) = qrfmax |
---|
| 235 | assimparm(14) = qafmax |
---|
| 236 | assimparm(15) = zrfmax |
---|
| 237 | assimparm(16) = zafmax |
---|
| 238 | assimparm(17) = prfmax |
---|
| 239 | assimparm(18) = incphymin |
---|
| 240 | assimparm(19) = integnstep |
---|
| 241 | assimparm(20) = pthreshold |
---|
| 242 | |
---|
| 243 | ! Set up external tracer indices array bstate |
---|
| 244 | i_tracer(1) = 1 ! nutrient |
---|
| 245 | i_tracer(2) = 2 ! phytoplankton |
---|
| 246 | i_tracer(3) = 3 ! zooplankton |
---|
| 247 | i_tracer(4) = 4 ! detritus |
---|
| 248 | i_tracer(5) = 5 ! DIC |
---|
| 249 | i_tracer(6) = 6 ! Alkalinity |
---|
| 250 | |
---|
| 251 | ! Set background state |
---|
[8440] | 252 | bstate(:,:,:,i_tracer(1)) = tracer_bkg(:,:,:,jpdin) |
---|
| 253 | bstate(:,:,:,i_tracer(2)) = tracer_bkg(:,:,:,jpphn) + tracer_bkg(:,:,:,jpphd) |
---|
| 254 | bstate(:,:,:,i_tracer(3)) = tracer_bkg(:,:,:,jpzmi) + tracer_bkg(:,:,:,jpzme) |
---|
| 255 | bstate(:,:,:,i_tracer(4)) = tracer_bkg(:,:,:,jpdet) |
---|
| 256 | bstate(:,:,:,i_tracer(5)) = tracer_bkg(:,:,:,jpdic) |
---|
| 257 | bstate(:,:,:,i_tracer(6)) = tracer_bkg(:,:,:,jpalk) |
---|
[8428] | 258 | |
---|
[8436] | 259 | ! Calculate carbon to chlorophyll ratio for combined phytoplankton |
---|
| 260 | ! and nitrogen to biomass equivalent for PZD |
---|
| 261 | ! Hardwire nitrogen mass to 14.01 for now as it doesn't seem to be set in MEDUSA |
---|
| 262 | cchl_p(:,:) = 0.0 |
---|
| 263 | DO jj = 1, jpj |
---|
| 264 | DO ji = 1, jpi |
---|
[8440] | 265 | IF ( ( tracer_bkg(ji,jj,1,jpchn) + tracer_bkg(ji,jj,1,jpchd ) ) .GT. 0.0 ) THEN |
---|
[8497] | 266 | cchl_p(ji,jj) = xmassc * ( ( tracer_bkg(ji,jj,1,jpphn) * xthetapn ) + & |
---|
| 267 | & ( tracer_bkg(ji,jj,1,jpphd) * xthetapd ) ) / & |
---|
[8440] | 268 | & ( tracer_bkg(ji,jj,1,jpchn) + tracer_bkg(ji,jj,1,jpchd ) ) |
---|
[8436] | 269 | ENDIF |
---|
| 270 | END DO |
---|
| 271 | END DO |
---|
| 272 | n2be_p = 14.01 + ( xmassc * ( ( xthetapn + xthetapd ) / 2.0 ) ) |
---|
| 273 | n2be_z = 14.01 + ( xmassc * ( ( xthetazmi + xthetazme ) / 2.0 ) ) |
---|
| 274 | n2be_d = 14.01 + ( xmassc * xthetad ) |
---|
| 275 | |
---|
[8428] | 276 | ! Call nitrogen balancing routine |
---|
[8436] | 277 | CALL bio_analysis( jpi, jpj, jpk, gdepw_n(:,:,2:jpk), i_tracer, modparm, & |
---|
| 278 | & n2be_p, n2be_z, n2be_d, assimparm, & |
---|
[9431] | 279 | & INT(pincper), 1, INT(SUM(tmask,3)), tmask(:,:,:), & |
---|
| 280 | & pmld(:,:), mld_max_bkg(:,:), pinc_chltot(:,:), cchl_p(:,:), & |
---|
[8436] | 281 | & nbal_active, phyt_avg_bkg(:,:), & |
---|
| 282 | & gl_active, pgrow_avg_bkg(:,:), ploss_avg_bkg(:,:), & |
---|
| 283 | & subsurf_active, deepneg_active, & |
---|
| 284 | & deeppos_active, nutprof_active, & |
---|
| 285 | & bstate, outincs, & |
---|
| 286 | & diag_active, diag, & |
---|
[8428] | 287 | & diag_fulldepth_active, diag_fulldepth ) |
---|
[8436] | 288 | |
---|
| 289 | ! Loop over each grid point partioning the increments |
---|
[9431] | 290 | phyto2d_balinc(:,:,:,:) = 0.0 |
---|
[8436] | 291 | DO jk = 1, jpk |
---|
| 292 | DO jj = 1, jpj |
---|
| 293 | DO ji = 1, jpi |
---|
| 294 | |
---|
[9435] | 295 | ! Phytoplankton |
---|
| 296 | IF ( ( tracer_bkg(ji,jj,jk,jpphn) > 0.0 ) .AND. & |
---|
| 297 | & ( tracer_bkg(ji,jj,jk,jpphd) > 0.0 ) .AND. & |
---|
| 298 | & ( pinc_chltot(ji,jj) /= 0.0 ) ) THEN |
---|
| 299 | IF ( ld_chltot ) THEN |
---|
| 300 | ! Phytoplankton nitrogen split up based on existing ratios |
---|
| 301 | zfrac_phn = tracer_bkg(ji,jj,jk,jpphn) / & |
---|
| 302 | & (tracer_bkg(ji,jj,jk,jpphn) + tracer_bkg(ji,jj,jk,jpphd)) |
---|
| 303 | zfrac_phd = tracer_bkg(ji,jj,jk,jpphd) / & |
---|
| 304 | & (tracer_bkg(ji,jj,jk,jpphn) + tracer_bkg(ji,jj,jk,jpphd)) |
---|
| 305 | ELSE IF ( ld_chldia .AND. ld_chlnon ) THEN |
---|
| 306 | ! Phytoplankton nitrogen split up based on assimilation increments |
---|
| 307 | zfrac_phn = pinc_chlnon(ji,jj) / pinc_chltot(ji,jj) |
---|
| 308 | zfrac_phd = pinc_chldia(ji,jj) / pinc_chltot(ji,jj) |
---|
| 309 | ENDIF |
---|
| 310 | |
---|
| 311 | ! Phytoplankton silicate split up based on existing ratios |
---|
[8440] | 312 | zrat_pds_phd = tracer_bkg(ji,jj,jk,jppds) / tracer_bkg(ji,jj,jk,jpphd) |
---|
[9435] | 313 | |
---|
[8436] | 314 | ! Chlorophyll split up based on existing ratios to phytoplankton nitrogen |
---|
[9431] | 315 | ! Not using pinc_chltot directly as it's only 2D |
---|
| 316 | ! This method should give same results at surface as splitting pinc_chltot would |
---|
[8440] | 317 | zrat_chn_phn = tracer_bkg(ji,jj,jk,jpchn) / tracer_bkg(ji,jj,jk,jpphn) |
---|
| 318 | zrat_chd_phd = tracer_bkg(ji,jj,jk,jpchd) / tracer_bkg(ji,jj,jk,jpphd) |
---|
[9435] | 319 | |
---|
| 320 | phyto2d_balinc(ji,jj,jk,jpphn) = outincs(ji,jj,jk,i_tracer(2)) * zfrac_phn |
---|
| 321 | phyto2d_balinc(ji,jj,jk,jpphd) = outincs(ji,jj,jk,i_tracer(2)) * zfrac_phd |
---|
| 322 | phyto2d_balinc(ji,jj,jk,jppds) = phyto2d_balinc(ji,jj,jk,jpphd) * zrat_pds_phd |
---|
[9431] | 323 | phyto2d_balinc(ji,jj,jk,jpchn) = phyto2d_balinc(ji,jj,jk,jpphn) * zrat_chn_phn |
---|
| 324 | phyto2d_balinc(ji,jj,jk,jpchd) = phyto2d_balinc(ji,jj,jk,jpphd) * zrat_chd_phd |
---|
[8436] | 325 | ENDIF |
---|
| 326 | |
---|
[9435] | 327 | ! Zooplankton nitrogen split up based on existing ratios |
---|
[8440] | 328 | IF ( ( tracer_bkg(ji,jj,jk,jpzmi) > 0.0 ) .AND. ( tracer_bkg(ji,jj,jk,jpzme) > 0.0 ) ) THEN |
---|
[9435] | 329 | zfrac_zmi = tracer_bkg(ji,jj,jk,jpzmi) / & |
---|
| 330 | & (tracer_bkg(ji,jj,jk,jpzmi) + tracer_bkg(ji,jj,jk,jpzme)) |
---|
| 331 | zfrac_zme = tracer_bkg(ji,jj,jk,jpzme) / & |
---|
| 332 | & (tracer_bkg(ji,jj,jk,jpzmi) + tracer_bkg(ji,jj,jk,jpzme)) |
---|
[9431] | 333 | phyto2d_balinc(ji,jj,jk,jpzmi) = outincs(ji,jj,jk,i_tracer(3)) * zfrac_zmi |
---|
| 334 | phyto2d_balinc(ji,jj,jk,jpzme) = outincs(ji,jj,jk,i_tracer(3)) * zfrac_zme |
---|
[8436] | 335 | ENDIF |
---|
| 336 | |
---|
| 337 | ! Nitrogen nutrient straight from balancing scheme |
---|
[9431] | 338 | phyto2d_balinc(ji,jj,jk,jpdin) = outincs(ji,jj,jk,i_tracer(1)) |
---|
[8436] | 339 | |
---|
| 340 | ! Nitrogen detritus straight from balancing scheme |
---|
[9431] | 341 | phyto2d_balinc(ji,jj,jk,jpdet) = outincs(ji,jj,jk,i_tracer(4)) |
---|
[8436] | 342 | |
---|
| 343 | ! DIC straight from balancing scheme |
---|
[9431] | 344 | phyto2d_balinc(ji,jj,jk,jpdic) = outincs(ji,jj,jk,i_tracer(5)) |
---|
[8436] | 345 | |
---|
| 346 | ! Alkalinity straight from balancing scheme |
---|
[9431] | 347 | phyto2d_balinc(ji,jj,jk,jpalk) = outincs(ji,jj,jk,i_tracer(6)) |
---|
[8436] | 348 | |
---|
| 349 | ! Remove diatom silicate increment from nutrient silicate to conserve mass |
---|
[9431] | 350 | IF ( ( tracer_bkg(ji,jj,jk,jpsil) - phyto2d_balinc(ji,jj,jk,jppds) ) > 0.0 ) THEN |
---|
| 351 | phyto2d_balinc(ji,jj,jk,jpsil) = phyto2d_balinc(ji,jj,jk,jppds) * (-1.0) |
---|
[8436] | 352 | ENDIF |
---|
| 353 | |
---|
[9435] | 354 | ! Carbon detritus based on existing ratios |
---|
[8440] | 355 | IF ( ( tracer_bkg(ji,jj,jk,jpdet) > 0.0 ) .AND. ( tracer_bkg(ji,jj,jk,jpdtc) > 0.0 ) ) THEN |
---|
| 356 | zrat_dtc_det = tracer_bkg(ji,jj,jk,jpdtc) / tracer_bkg(ji,jj,jk,jpdet) |
---|
[9431] | 357 | phyto2d_balinc(ji,jj,jk,jpdtc) = phyto2d_balinc(ji,jj,jk,jpdet) * zrat_dtc_det |
---|
[8436] | 358 | ENDIF |
---|
| 359 | |
---|
| 360 | ! Do nothing with iron or oxygen for the time being |
---|
[9431] | 361 | phyto2d_balinc(ji,jj,jk,jpfer) = 0.0 |
---|
| 362 | phyto2d_balinc(ji,jj,jk,jpoxy) = 0.0 |
---|
[8436] | 363 | |
---|
| 364 | END DO |
---|
| 365 | END DO |
---|
| 366 | END DO |
---|
[8428] | 367 | |
---|
| 368 | ELSE ! No nitrogen balancing |
---|
| 369 | |
---|
[8436] | 370 | ! Initialise individual chlorophyll increments to zero |
---|
[9431] | 371 | phyto2d_balinc(:,:,:,jpchn) = 0.0 |
---|
| 372 | phyto2d_balinc(:,:,:,jpchd) = 0.0 |
---|
[8428] | 373 | |
---|
[8436] | 374 | ! Split up total surface chlorophyll increments |
---|
| 375 | DO jj = 1, jpj |
---|
| 376 | DO ji = 1, jpi |
---|
[9435] | 377 | IF ( ( tracer_bkg(ji,jj,1,jpchn) > 0.0 ) .AND. & |
---|
| 378 | & ( tracer_bkg(ji,jj,1,jpchd) > 0.0 ) ) THEN |
---|
| 379 | IF ( ld_chltot ) THEN |
---|
| 380 | ! Chlorophyll split up based on existing ratios |
---|
| 381 | zfrac_chn = tracer_bkg(ji,jj,1,jpchn) / & |
---|
| 382 | & ( tracer_bkg(ji,jj,1,jpchn) + tracer_bkg(ji,jj,1,jpchd) ) |
---|
| 383 | zfrac_chd = tracer_bkg(ji,jj,1,jpchd) / & |
---|
| 384 | & ( tracer_bkg(ji,jj,1,jpchn) + tracer_bkg(ji,jj,1,jpchd) ) |
---|
| 385 | phyto2d_balinc(ji,jj,1,jpchn) = pinc_chltot(ji,jj) * zfrac_chn |
---|
| 386 | phyto2d_balinc(ji,jj,1,jpchd) = pinc_chltot(ji,jj) * zfrac_chd |
---|
| 387 | ENDIF |
---|
| 388 | IF( ld_chldia ) THEN |
---|
| 389 | phyto2d_balinc(ji,jj,1,jpchd) = pinc_chldia(ji,jj) |
---|
| 390 | ENDIF |
---|
| 391 | IF( ld_chlnon ) THEN |
---|
| 392 | phyto2d_balinc(ji,jj,1,jpchn) = pinc_chlnon(ji,jj) |
---|
| 393 | ENDIF |
---|
| 394 | |
---|
| 395 | ! Maintain stoichiometric ratios of nitrogen and silicate |
---|
| 396 | IF ( ld_chltot .OR. ld_chlnon ) THEN |
---|
| 397 | zrat_phn_chn = tracer_bkg(ji,jj,1,jpphn) / tracer_bkg(ji,jj,1,jpchn) |
---|
| 398 | phyto2d_balinc(ji,jj,1,jpphn) = phyto2d_balinc(ji,jj,1,jpchn) * zrat_phn_chn |
---|
| 399 | ENDIF |
---|
| 400 | IF ( ld_chltot .OR. ld_chldia ) THEN |
---|
| 401 | zrat_phd_chd = tracer_bkg(ji,jj,1,jpphd) / tracer_bkg(ji,jj,1,jpchd) |
---|
| 402 | phyto2d_balinc(ji,jj,1,jpphd) = phyto2d_balinc(ji,jj,1,jpchd) * zrat_phd_chd |
---|
| 403 | zrat_pds_chd = tracer_bkg(ji,jj,1,jppds) / tracer_bkg(ji,jj,1,jpchd) |
---|
| 404 | phyto2d_balinc(ji,jj,1,jppds) = phyto2d_balinc(ji,jj,1,jpchd) * zrat_pds_chd |
---|
| 405 | ENDIF |
---|
[8436] | 406 | ENDIF |
---|
| 407 | END DO |
---|
| 408 | END DO |
---|
[8428] | 409 | |
---|
| 410 | ! Propagate through mixed layer |
---|
| 411 | DO jj = 1, jpj |
---|
| 412 | DO ji = 1, jpi |
---|
| 413 | ! |
---|
| 414 | jkmax = jpk-1 |
---|
| 415 | DO jk = jpk-1, 1, -1 |
---|
[9431] | 416 | IF ( ( pmld(ji,jj) > gdepw_n(ji,jj,jk) ) .AND. & |
---|
| 417 | & ( pmld(ji,jj) <= gdepw_n(ji,jj,jk+1) ) ) THEN |
---|
| 418 | pmld(ji,jj) = gdepw_n(ji,jj,jk+1) |
---|
[8428] | 419 | jkmax = jk |
---|
| 420 | ENDIF |
---|
| 421 | END DO |
---|
| 422 | ! |
---|
| 423 | DO jk = 2, jkmax |
---|
[9431] | 424 | phyto2d_balinc(ji,jj,jk,jpchn) = phyto2d_balinc(ji,jj,1,jpchn) |
---|
| 425 | phyto2d_balinc(ji,jj,jk,jpchd) = phyto2d_balinc(ji,jj,1,jpchd) |
---|
[9435] | 426 | phyto2d_balinc(ji,jj,jk,jpphn) = phyto2d_balinc(ji,jj,1,jpphn) |
---|
| 427 | phyto2d_balinc(ji,jj,jk,jpphd) = phyto2d_balinc(ji,jj,1,jpphd) |
---|
| 428 | phyto2d_balinc(ji,jj,jk,jppds) = phyto2d_balinc(ji,jj,1,jppds) |
---|
[8428] | 429 | END DO |
---|
| 430 | ! |
---|
| 431 | END DO |
---|
| 432 | END DO |
---|
| 433 | |
---|
| 434 | ! Set other balancing increments to zero |
---|
[9431] | 435 | phyto2d_balinc(:,:,:,jpzmi) = 0.0 |
---|
| 436 | phyto2d_balinc(:,:,:,jpzme) = 0.0 |
---|
| 437 | phyto2d_balinc(:,:,:,jpdin) = 0.0 |
---|
| 438 | phyto2d_balinc(:,:,:,jpsil) = 0.0 |
---|
| 439 | phyto2d_balinc(:,:,:,jpfer) = 0.0 |
---|
| 440 | phyto2d_balinc(:,:,:,jpdet) = 0.0 |
---|
| 441 | phyto2d_balinc(:,:,:,jpdtc) = 0.0 |
---|
| 442 | phyto2d_balinc(:,:,:,jpdic) = 0.0 |
---|
| 443 | phyto2d_balinc(:,:,:,jpalk) = 0.0 |
---|
| 444 | phyto2d_balinc(:,:,:,jpoxy) = 0.0 |
---|
[8436] | 445 | |
---|
[8428] | 446 | ENDIF |
---|
[8485] | 447 | |
---|
| 448 | ! If performing extra tidal mixing in the Indonesian Throughflow, |
---|
| 449 | ! increments have been found to make the carbon cycle unstable |
---|
| 450 | ! Therefore, mask these out |
---|
| 451 | IF ( ln_tmx_itf ) THEN |
---|
| 452 | DO jn = 1, jptra |
---|
| 453 | DO jk = 1, jpk |
---|
[9431] | 454 | phyto2d_balinc(:,:,jk,jn) = phyto2d_balinc(:,:,jk,jn) * ( 1.0 - mask_itf(:,:) ) |
---|
[8485] | 455 | END DO |
---|
| 456 | END DO |
---|
| 457 | ENDIF |
---|
[8428] | 458 | |
---|
[9432] | 459 | END SUBROUTINE asm_phyto2d_bal_medusa |
---|
[8428] | 460 | |
---|
| 461 | #else |
---|
| 462 | !!---------------------------------------------------------------------- |
---|
| 463 | !! Default option : Empty routine |
---|
| 464 | !!---------------------------------------------------------------------- |
---|
| 465 | CONTAINS |
---|
[9432] | 466 | SUBROUTINE asm_phyto2d_bal_medusa( ld_chltot, & |
---|
[9431] | 467 | & pinc_chltot, & |
---|
| 468 | & ld_chldia, & |
---|
| 469 | & pinc_chldia, & |
---|
| 470 | & ld_chlnon, & |
---|
| 471 | & pinc_chlnon, & |
---|
| 472 | & ld_phytot, & |
---|
| 473 | & pinc_phytot, & |
---|
| 474 | & ld_phydia, & |
---|
| 475 | & pinc_phydia, & |
---|
| 476 | & ld_phynon, & |
---|
| 477 | & pinc_phynon, & |
---|
| 478 | & pincper, & |
---|
| 479 | & p_maxchlinc, ld_phytobal, pmld, & |
---|
| 480 | & pgrow_avg_bkg, ploss_avg_bkg, & |
---|
| 481 | & phyt_avg_bkg, mld_max_bkg, & |
---|
| 482 | & tracer_bkg, phyto2d_balinc ) |
---|
| 483 | LOGICAL :: ld_chltot |
---|
| 484 | REAL :: pinc_chltot(:,:) |
---|
| 485 | LOGICAL :: ld_chldia |
---|
| 486 | REAL :: pinc_chldia(:,:) |
---|
| 487 | LOGICAL :: ld_chlnon |
---|
| 488 | REAL :: pinc_chlnon(:,:) |
---|
| 489 | LOGICAL :: ld_phytot |
---|
| 490 | REAL :: pinc_phytot(:,:) |
---|
| 491 | LOGICAL :: ld_phydia |
---|
| 492 | REAL :: pinc_phydia(:,:) |
---|
| 493 | LOGICAL :: ld_phynon |
---|
| 494 | REAL :: pinc_phynon(:,:) |
---|
| 495 | REAL :: pincper |
---|
| 496 | REAL :: p_maxchlinc |
---|
| 497 | LOGICAL :: ld_phytobal |
---|
| 498 | REAL :: pmld(:,:) |
---|
[8440] | 499 | REAL :: pgrow_avg_bkg(:,:) |
---|
| 500 | REAL :: ploss_avg_bkg(:,:) |
---|
| 501 | REAL :: phyt_avg_bkg(:,:) |
---|
| 502 | REAL :: mld_max_bkg(:,:) |
---|
| 503 | REAL :: tracer_bkg(:,:,:,:) |
---|
[9431] | 504 | REAL :: phyto2d_balinc(:,:,:,:) |
---|
[9432] | 505 | WRITE(*,*) 'asm_phyto2d_bal_medusa: You should not have seen this print! error?' |
---|
| 506 | END SUBROUTINE asm_phyto2d_bal_medusa |
---|
[8428] | 507 | #endif |
---|
| 508 | |
---|
| 509 | !!====================================================================== |
---|
[9432] | 510 | END MODULE asmphyto2dbal_medusa |
---|