| 1 | MODULE p5zprod |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p5zprod *** |
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| 4 | !! TOP : Growth Rate of the three phytoplanktons groups |
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| 5 | !! PISCES-QUOTA version of the module |
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| 6 | !!====================================================================== |
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| 7 | !! History : 1.0 ! 2004 (O. Aumont) Original code |
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| 8 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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| 9 | !! 3.4 ! 2011-05 (O. Aumont, C. Ethe) New parameterization of light limitation |
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| 10 | !! 3.6 ! 2015-05 (O. Aumont) PISCES quota |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! p5z_prod : Compute the growth Rate of the two phytoplanktons groups |
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| 13 | !! p5z_prod_init : Initialization of the parameters for growth |
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| 14 | !! p5z_prod_alloc : Allocate variables for growth |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 17 | USE trc ! passive tracers common variables |
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| 18 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 19 | USE p4zlim |
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| 20 | USE p5zlim ! Co-limitations of differents nutrients |
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| 21 | USE prtctl ! print control for debugging |
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| 22 | USE iom ! I/O manager |
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| 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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| 27 | PUBLIC p5z_prod ! called in p5zbio.F90 |
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| 28 | PUBLIC p5z_prod_init ! called in trcsms_pisces.F90 |
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| 29 | PUBLIC p5z_prod_alloc |
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| 30 | |
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| 31 | !! * Shared module variables |
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| 32 | REAL(wp), PUBLIC :: pislopen !: P-I slope of nanophytoplankton |
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| 33 | REAL(wp), PUBLIC :: pislopep !: P-I slope of picophytoplankton |
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| 34 | REAL(wp), PUBLIC :: pisloped !: P-I slope of diatoms |
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| 35 | REAL(wp), PUBLIC :: xadap !: Adaptation factor to low light |
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| 36 | REAL(wp), PUBLIC :: excretn !: Excretion ratio of nanophyto |
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| 37 | REAL(wp), PUBLIC :: excretp !: Excretion ratio of picophyto |
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| 38 | REAL(wp), PUBLIC :: excretd !: Excretion ratio of diatoms |
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| 39 | REAL(wp), PUBLIC :: bresp !: Basal respiration rate |
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| 40 | REAL(wp), PUBLIC :: thetanpm !: Maximum Chl/N ratio of picophyto |
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| 41 | REAL(wp), PUBLIC :: thetannm !: Maximum Chl/N ratio of nanophyto |
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| 42 | REAL(wp), PUBLIC :: thetandm !: Maximum Chl/N ratio of diatoms |
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| 43 | REAL(wp), PUBLIC :: chlcmin !: Minimum Chl/C ratio of phytoplankton |
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| 44 | REAL(wp), PUBLIC :: grosip !: Mean Si/C ratio of diatoms |
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| 45 | |
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| 46 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: zdaylen ! day length |
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| 47 | |
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| 48 | REAL(wp) :: r1_rday !: 1 / rday |
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| 49 | REAL(wp) :: texcretn !: 1 - excretn |
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| 50 | REAL(wp) :: texcretp !: 1 - excretp |
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| 51 | REAL(wp) :: texcretd !: 1 - excretd |
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| 52 | |
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| 53 | !! * Substitutions |
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| 54 | # include "do_loop_substitute.h90" |
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| 55 | # include "domzgr_substitute.h90" |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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| 58 | !! $Id$ |
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| 59 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 60 | !!---------------------------------------------------------------------- |
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| 61 | CONTAINS |
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| 62 | |
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| 63 | SUBROUTINE p5z_prod( kt , knt, Kbb, Kmm, Krhs ) |
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| 64 | !!--------------------------------------------------------------------- |
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| 65 | !! *** ROUTINE p5z_prod *** |
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| 66 | !! |
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| 67 | !! ** Purpose : Compute the phytoplankton production depending on |
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| 68 | !! light, temperature and nutrient availability |
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| 69 | !! Computes also the uptake of nutrients. PISCES-quota |
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| 70 | !! relies on a full quota formalism |
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| 71 | !!--------------------------------------------------------------------- |
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| 72 | ! |
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| 73 | INTEGER, INTENT(in) :: kt, knt |
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| 74 | INTEGER, INTENT(in) :: Kbb, Kmm, Krhs ! time level indices |
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| 75 | ! |
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| 76 | INTEGER :: ji, jj, jk |
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| 77 | REAL(wp) :: zsilfac, znanotot, zpicotot, zdiattot, zconctemp, zconctemp2 |
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| 78 | REAL(wp) :: zration, zratiop, zratiof, zmax, ztn, zadap |
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| 79 | REAL(wp) :: zpronmax, zpropmax, zprofmax, zratio |
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| 80 | REAL(wp) :: zlim, zsilfac2, zsiborn, zprod, zprontot, zproptot, zprodtot |
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| 81 | REAL(wp) :: zproddoc, zproddon, zproddop, zprodsil, zprodfer, zprodlig, zresptot |
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| 82 | REAL(wp) :: zprnutmax, zprochln, zprochld, zprochlp |
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| 83 | REAL(wp) :: zpislopen, zpislopep, zpisloped |
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| 84 | REAL(wp) :: zval, zpptot, zpnewtot, zpregtot |
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| 85 | REAL(wp) :: zqfpmax, zqfnmax, zqfdmax |
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| 86 | REAL(wp) :: zfact, zrfact2, zmaxsi, zratiosi, zsizetmp, zlimfac, zsilim |
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| 87 | CHARACTER (len=25) :: charout |
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| 88 | REAL(wp), DIMENSION(jpi,jpj ) :: zmixnano, zmixpico, zmixdiat |
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| 89 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpislopeadn, zpislopeadp, zpislopeadd |
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| 90 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprnut, zprmaxp, zprmaxn, zprmaxd |
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| 91 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprbio, zprpic, zprdia, zysopt |
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| 92 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprchln, zprchlp, zprchld |
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| 93 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprorcan, zprorcap, zprorcad |
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| 94 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprofed, zprofep, zprofen |
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| 95 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpronewn, zpronewp, zpronewd |
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| 96 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zproregn, zproregp, zproregd |
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| 97 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpropo4n, zpropo4p, zpropo4d |
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| 98 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprodopn, zprodopp, zprodopd |
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| 99 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zrespn, zrespp, zrespd |
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| 100 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zmxl_fac, zmxl_chl |
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| 101 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zpligprod |
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| 102 | !!--------------------------------------------------------------------- |
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| 103 | ! |
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| 104 | IF( ln_timing ) CALL timing_start('p5z_prod') |
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| 105 | |
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| 106 | ! Initialize the local arrays |
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| 107 | zprorcan(:,:,:) = 0._wp ; zprorcap(:,:,:) = 0._wp ; zprorcad(:,:,:) = 0._wp |
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| 108 | zprofed (:,:,:) = 0._wp ; zprofep (:,:,:) = 0._wp ; zprofen (:,:,:) = 0._wp |
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| 109 | zpronewn(:,:,:) = 0._wp ; zpronewp(:,:,:) = 0._wp ; zpronewd(:,:,:) = 0._wp |
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| 110 | zproregn(:,:,:) = 0._wp ; zproregp(:,:,:) = 0._wp ; zproregd(:,:,:) = 0._wp |
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| 111 | zpropo4n(:,:,:) = 0._wp ; zpropo4p(:,:,:) = 0._wp ; zpropo4d(:,:,:) = 0._wp |
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| 112 | zprdia (:,:,:) = 0._wp ; zprpic (:,:,:) = 0._wp ; zprbio (:,:,:) = 0._wp |
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| 113 | zprodopn(:,:,:) = 0._wp ; zprodopp(:,:,:) = 0._wp ; zprodopd(:,:,:) = 0._wp |
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| 114 | zysopt (:,:,:) = 0._wp |
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| 115 | zrespn (:,:,:) = 0._wp ; zrespp (:,:,:) = 0._wp ; zrespd (:,:,:) = 0._wp |
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| 116 | zmxl_fac(:,:,:) = 0._wp ; zmxl_chl(:,:,:) = 0._wp |
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| 117 | |
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| 118 | ! Computation of the optimal production rates and nutrient uptake |
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| 119 | ! rates. Based on a Q10 description of the thermal dependency. |
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| 120 | zprnut (:,:,:) = 0.8_wp * r1_rday * tgfunc(:,:,:) |
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| 121 | zprmaxn(:,:,:) = 0.8_wp * (1. + xpsino3 * qnnmax ) * r1_rday * tgfunc(:,:,:) |
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| 122 | zprmaxd(:,:,:) = 0.8_wp * (1. + xpsino3 * qndmax ) * r1_rday * tgfunc(:,:,:) |
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| 123 | zprmaxp(:,:,:) = 0.6_wp * (1. + xpsino3 * qnpmax ) * r1_rday * tgfunc(:,:,:) |
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| 124 | |
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| 125 | ! Impact of the day duration and light intermittency on phytoplankton growth |
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| 126 | ! Intermittency is supposed to have a similar effect on production as |
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| 127 | ! day length (Shatwell et al., 2012). The correcting factor is zmxl_fac. |
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| 128 | ! zmxl_chl is the fractional day length and is used to compute the mean |
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| 129 | ! PAR during daytime. The effect of mixing is computed using the |
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| 130 | ! absolute light level definition of the euphotic zone |
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| 131 | ! ------------------------------------------------------------------------- |
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| 132 | |
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| 133 | IF ( ln_p4z_dcyc ) THEN ! Diurnal cycle in PISCES |
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| 134 | |
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| 135 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
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| 136 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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| 137 | IF( gdepw(ji,jj,jk+1,Kmm) <= hmld(ji,jj) ) THEN |
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| 138 | zval = MIN(1., heup_01(ji,jj) / ( hmld(ji,jj) + rtrn )) |
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| 139 | ENDIF |
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| 140 | zmxl_chl(ji,jj,jk) = zval / 24. |
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| 141 | zmxl_fac(ji,jj,jk) = 1.0 - exp( -0.26 * zval ) |
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| 142 | ENDIF |
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| 143 | END_3D |
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| 144 | |
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| 145 | ELSE ! No diurnal cycle in PISCES |
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| 146 | |
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| 147 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
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| 148 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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| 149 | zval = MAX( 1., strn(ji,jj) ) |
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| 150 | IF( gdepw(ji,jj,jk+1,Kmm) <= hmld(ji,jj) ) THEN |
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| 151 | zval = zval * MIN(1., heup_01(ji,jj) / ( hmld(ji,jj) + rtrn )) |
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| 152 | ENDIF |
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| 153 | zmxl_chl(ji,jj,jk) = zval / 24. |
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| 154 | zmxl_fac(ji,jj,jk) = 1.0 - exp( -0.26 * zval ) |
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| 155 | ENDIF |
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| 156 | END_3D |
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| 157 | |
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| 158 | ENDIF |
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| 159 | |
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| 160 | zprbio(:,:,:) = zprmaxn(:,:,:) * zmxl_fac(:,:,:) |
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| 161 | zprdia(:,:,:) = zprmaxd(:,:,:) * zmxl_fac(:,:,:) |
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| 162 | zprpic(:,:,:) = zprmaxp(:,:,:) * zmxl_fac(:,:,:) |
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| 163 | |
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| 164 | ! Maximum light intensity |
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| 165 | zdaylen(:,:) = MAX(1., strn(:,:)) / 24. |
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| 166 | |
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| 167 | ! Computation of the P-I slope for nanos, picos and diatoms |
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| 168 | ! The formulation proposed by Geider et al. (1997) has been used. |
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| 169 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
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| 170 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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| 171 | ! Computation of the P-I slope for nanos and diatoms |
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| 172 | ztn = MAX( 0., ts(ji,jj,jk,jp_tem,Kmm) - 15. ) |
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| 173 | zadap = xadap * ztn / ( 2.+ ztn ) |
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| 174 | ! |
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| 175 | ! Nanophytoplankton |
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| 176 | zpislopeadn(ji,jj,jk) = pislopen * tr(ji,jj,jk,jpnch,Kbb) & |
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| 177 | & /( tr(ji,jj,jk,jpphy,Kbb) * 12. + rtrn) |
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| 178 | |
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| 179 | ! Picophytoplankton |
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| 180 | zpislopeadp(ji,jj,jk) = pislopep * ( 1. + zadap * EXP( -0.25 * epico(ji,jj,jk) ) ) & |
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| 181 | & * tr(ji,jj,jk,jppch,Kbb) /( tr(ji,jj,jk,jppic,Kbb) * 12. + rtrn) |
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| 182 | |
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| 183 | ! Diatoms |
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| 184 | zpislopeadd(ji,jj,jk) = pisloped * tr(ji,jj,jk,jpdch,Kbb) & |
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| 185 | & /( tr(ji,jj,jk,jpdia,Kbb) * 12. + rtrn) |
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| 186 | ! |
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| 187 | zpislopen = zpislopeadn(ji,jj,jk) / ( zprbio(ji,jj,jk) * rday * xlimphy(ji,jj,jk) + rtrn ) |
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| 188 | zpislopep = zpislopeadp(ji,jj,jk) / ( zprpic(ji,jj,jk) * rday * xlimpic(ji,jj,jk) + rtrn ) |
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| 189 | zpisloped = zpislopeadd(ji,jj,jk) / ( zprdia(ji,jj,jk) * rday * xlimdia(ji,jj,jk) + rtrn ) |
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| 190 | |
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| 191 | ! Computation of production function for Carbon |
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| 192 | ! Actual light levels are used here |
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| 193 | ! --------------------------------------------- |
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| 194 | zprbio(ji,jj,jk) = zprbio(ji,jj,jk) * ( 1.- EXP( -zpislopen * enano(ji,jj,jk) / zmxl_fac(ji,jj,jk) ) ) |
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| 195 | zprpic(ji,jj,jk) = zprpic(ji,jj,jk) * ( 1.- EXP( -zpislopep * epico(ji,jj,jk) / zmxl_fac(ji,jj,jk) ) ) |
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| 196 | zprdia(ji,jj,jk) = zprdia(ji,jj,jk) * ( 1.- EXP( -zpisloped * ediat(ji,jj,jk) / zmxl_fac(ji,jj,jk) ) ) |
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| 197 | |
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| 198 | ! Computation of production function for Chlorophyll |
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| 199 | ! Mean light level in the mixed layer (when appropriate) |
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| 200 | ! is used here (acclimation is in general slower than |
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| 201 | ! the characteristic time scales of vertical mixing) |
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| 202 | ! ------------------------------------------------------ |
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| 203 | zpislopen = zpislopen * zmxl_fac(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
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| 204 | zpisloped = zpisloped * zmxl_fac(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
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| 205 | zpislopep = zpislopep * zmxl_fac(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
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| 206 | zprchln(ji,jj,jk) = zprmaxn(ji,jj,jk) * ( 1.- EXP( -zpislopen * enanom(ji,jj,jk) ) ) |
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| 207 | zprchlp(ji,jj,jk) = zprmaxp(ji,jj,jk) * ( 1.- EXP( -zpislopep * epicom(ji,jj,jk) ) ) |
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| 208 | zprchld(ji,jj,jk) = zprmaxd(ji,jj,jk) * ( 1.- EXP( -zpisloped * ediatm(ji,jj,jk) ) ) |
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| 209 | ENDIF |
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| 210 | END_3D |
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| 211 | |
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| 212 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
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| 213 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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| 214 | ! Si/C of diatoms |
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| 215 | ! ------------------------ |
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| 216 | ! Si/C increases with iron stress and silicate availability (zsilfac) |
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| 217 | ! Si/C is arbitrariliy increased for very high Si concentrations |
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| 218 | ! to mimic the very high ratios observed in the Southern Ocean (zsilfac2) |
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| 219 | ! A parameterization derived from Flynn (2003) is used for the control |
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| 220 | ! when Si is not limiting which is similar to the parameterisation |
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| 221 | ! proposed by Gurney and Davidson (1999). |
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| 222 | ! ----------------------------------------------------------------------- |
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| 223 | zlim = tr(ji,jj,jk,jpsil,Kbb) / ( tr(ji,jj,jk,jpsil,Kbb) + xksi1 ) |
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| 224 | zsilim = xlimdia(ji,jj,jk) * zprdia(ji,jj,jk) / ( zprmaxd(ji,jj,jk) + rtrn ) |
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| 225 | zsiborn = tr(ji,jj,jk,jpsil,Kbb) * tr(ji,jj,jk,jpsil,Kbb) * tr(ji,jj,jk,jpsil,Kbb) |
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| 226 | IF (gphit(ji,jj) < -30 ) THEN |
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| 227 | zsilfac2 = 1. + 1. * zsiborn / ( zsiborn + xksi2**3 ) |
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| 228 | ELSE |
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| 229 | zsilfac2 = 1. |
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| 230 | ENDIF |
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| 231 | zratiosi = 1.0 - tr(ji,jj,jk,jpdsi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) / ( zsilfac2 * grosip * 3.0 + rtrn ) |
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| 232 | zratiosi = MAX(0., MIN(1.0, zratiosi) ) |
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| 233 | zmaxsi = (1.0 + 0.1**4) * zratiosi**4 / ( zratiosi**4 + 0.1**4 ) |
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| 234 | IF ( xlimsi(ji,jj,jk) /= xlimdia(ji,jj,jk) ) THEN |
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| 235 | zysopt(ji,jj,jk) = zlim * zsilfac2 * grosip * 1.0 * zmaxsi |
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| 236 | ELSE |
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| 237 | zysopt(ji,jj,jk) = zlim * zsilfac2 * grosip * 1.0 * zsilim**0.7 * zmaxsi |
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| 238 | ENDIF |
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| 239 | ENDIF |
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| 240 | END_3D |
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| 241 | |
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| 242 | ! Sea-ice effect on production |
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| 243 | ! No production is assumed below sea ice |
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| 244 | ! -------------------------------------- |
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| 245 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
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| 246 | zprbio(ji,jj,jk) = zprbio(ji,jj,jk) * ( 1. - fr_i(ji,jj) ) |
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| 247 | zprpic(ji,jj,jk) = zprpic(ji,jj,jk) * ( 1. - fr_i(ji,jj) ) |
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| 248 | zprdia(ji,jj,jk) = zprdia(ji,jj,jk) * ( 1. - fr_i(ji,jj) ) |
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| 249 | zprnut(ji,jj,jk) = zprnut(ji,jj,jk) * ( 1. - fr_i(ji,jj) ) |
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| 250 | END_3D |
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| 251 | |
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| 252 | ! Computation of the various production and uptake terms of nanophytoplankton |
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| 253 | ! Interactions between N and P are modeled according to the Chain Model |
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| 254 | ! of Pahlow et al. (2009). Iron uptake is modeled following traditional |
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| 255 | ! Droop kinetics. When the quota is approaching the maximum achievable |
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| 256 | ! quota, uptake is downregulated according to a sigmoidal function |
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| 257 | ! (power 2), as proposed by Flynn (2003) |
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| 258 | ! --------------------------------------------------------------------------- |
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| 259 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
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| 260 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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| 261 | ! production terms for nanophyto. |
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| 262 | zprorcan(ji,jj,jk) = zprbio(ji,jj,jk) * xlimphy(ji,jj,jk) * tr(ji,jj,jk,jpphy,Kbb) * rfact2 |
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| 263 | |
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| 264 | ! Size computation |
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| 265 | ! Size is made a function of the limitation of of phytoplankton growth |
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| 266 | ! Strongly limited cells are supposed to be smaller. sizena is the |
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| 267 | ! size at time step t+1 and is thus updated at the end of the |
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| 268 | ! current time step |
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| 269 | ! -------------------------------------------------------------------- |
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| 270 | zlimfac = xlimphys(ji,jj,jk) * zprchln(ji,jj,jk) / ( zprmaxn(ji,jj,jk) + rtrn ) |
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| 271 | zsizetmp = 1.0 + 1.3 * ( xsizern - 1.0 ) * zlimfac**3/(0.3 + zlimfac**3) |
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| 272 | sizena(ji,jj,jk) = MIN(xsizern, MAX( sizena(ji,jj,jk), zsizetmp ) ) |
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| 273 | ! Maximum potential uptake rate |
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| 274 | zration = tr(ji,jj,jk,jpnph,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
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| 275 | zratiop = tr(ji,jj,jk,jppph,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
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| 276 | zratiof = tr(ji,jj,jk,jpnfe,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
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| 277 | zprnutmax = zprnut(ji,jj,jk) * fvnuptk(ji,jj,jk) / rno3 * tr(ji,jj,jk,jpphy,Kbb) * rfact2 |
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| 278 | ! Uptake of nitrogen |
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| 279 | zratio = 1.0 - MIN( 1., zration / (xqnnmax(ji,jj,jk) + rtrn) ) |
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| 280 | zmax = MAX(0., MIN(1., zratio**2 / (0.05**2 + zratio**2) ) ) |
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| 281 | zpronmax = zprnutmax * zmax * MAX(0., MIN(1., ( zratiop - xqpnmin(ji,jj,jk) ) & |
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| 282 | & / ( xqpnmax(ji,jj,jk) - xqpnmin(ji,jj,jk) + rtrn ), xlimnfe(ji,jj,jk) ) ) |
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| 283 | zpronmax = zpronmax * xqnnmin(ji,jj,jk) / qnnmin |
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| 284 | zpronewn(ji,jj,jk) = zpronmax * xnanono3(ji,jj,jk) |
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| 285 | zproregn(ji,jj,jk) = zpronmax * xnanonh4(ji,jj,jk) |
|---|
| 286 | ! Uptake of phosphorus and DOP |
|---|
| 287 | zratio = 1.0 - MIN( 1., zratiop / (xqpnmax(ji,jj,jk) + rtrn) ) |
|---|
| 288 | zmax = MAX(0., MIN(1., zratio**2 / (0.05**2 + zratio**2) ) ) |
|---|
| 289 | zpropmax = zprnutmax * zmax * xlimnfe(ji,jj,jk) |
|---|
| 290 | zpropo4n(ji,jj,jk) = zpropmax * xnanopo4(ji,jj,jk) |
|---|
| 291 | zprodopn(ji,jj,jk) = zpropmax * xnanodop(ji,jj,jk) |
|---|
| 292 | ! Uptake of iron |
|---|
| 293 | zqfnmax = xqfuncfecn(ji,jj,jk) + ( qfnmax - xqfuncfecn(ji,jj,jk) ) * xlimnpn(ji,jj,jk) |
|---|
| 294 | zratio = 1.0 - MIN( 1., zratiof / zqfnmax ) |
|---|
| 295 | zmax = MAX(0., MIN(1., zratio**2/ (0.05**2 + zratio**2) ) ) |
|---|
| 296 | zprofmax = zprnutmax * zqfnmax * zmax |
|---|
| 297 | zprofen(ji,jj,jk) = zprofmax * xnanofer(ji,jj,jk) & |
|---|
| 298 | & * (1. + 0.8 * xnanono3(ji,jj,jk) / ( rtrn & |
|---|
| 299 | & + xnanono3(ji,jj,jk) + xnanonh4(ji,jj,jk) ) * (1. - xnanofer(ji,jj,jk) ) ) |
|---|
| 300 | ENDIF |
|---|
| 301 | END_3D |
|---|
| 302 | |
|---|
| 303 | ! Computation of the various production and uptake terms of picophytoplankton |
|---|
| 304 | ! Interactions between N and P are modeled according to the Chain Model |
|---|
| 305 | ! of Pahlow et al. (2009). Iron uptake is modeled following traditional |
|---|
| 306 | ! Droop kinetics. When the quota is approaching the maximum achievable |
|---|
| 307 | ! quota, uptake is downregulated according to a sigmoidal function |
|---|
| 308 | ! (power 2), as proposed by Flynn (2003) |
|---|
| 309 | ! --------------------------------------------------------------------------- |
|---|
| 310 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
|---|
| 311 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
|---|
| 312 | ! production terms for picophyto. |
|---|
| 313 | zprorcap(ji,jj,jk) = zprpic(ji,jj,jk) * xlimpic(ji,jj,jk) * tr(ji,jj,jk,jppic,Kbb) * rfact2 |
|---|
| 314 | ! Size computation |
|---|
| 315 | ! Size is made a function of the limitation of of phytoplankton growth |
|---|
| 316 | ! Strongly limited cells are supposed to be smaller. sizepa is |
|---|
| 317 | ! size at time step t+1 and is thus updated at the end of the |
|---|
| 318 | ! current time step |
|---|
| 319 | ! -------------------------------------------------------------------- |
|---|
| 320 | zlimfac = zprchlp(ji,jj,jk) * xlimpics(ji,jj,jk) / ( zprmaxp(ji,jj,jk) + rtrn ) |
|---|
| 321 | zsizetmp = 1.0 + 1.3 * ( xsizerp - 1.0 ) * zlimfac**3/(0.3 + zlimfac**3) |
|---|
| 322 | sizepa(ji,jj,jk) = min(xsizerp, max( sizepa(ji,jj,jk), zsizetmp ) ) |
|---|
| 323 | ! Maximum potential uptake rate of nutrients |
|---|
| 324 | zration = tr(ji,jj,jk,jpnpi,Kbb) / ( tr(ji,jj,jk,jppic,Kbb) + rtrn ) |
|---|
| 325 | zratiop = tr(ji,jj,jk,jpppi,Kbb) / ( tr(ji,jj,jk,jppic,Kbb) + rtrn ) |
|---|
| 326 | zratiof = tr(ji,jj,jk,jppfe,Kbb) / ( tr(ji,jj,jk,jppic,Kbb) + rtrn ) |
|---|
| 327 | zprnutmax = zprnut(ji,jj,jk) * fvpuptk(ji,jj,jk) / rno3 * tr(ji,jj,jk,jppic,Kbb) * rfact2 |
|---|
| 328 | ! Uptake of nitrogen |
|---|
| 329 | zratio = 1.0 - MIN( 1., zration / (xqnpmax(ji,jj,jk) + rtrn) ) |
|---|
| 330 | zmax = MAX(0., MIN(1., zratio**2/ (0.05**2 + zratio**2) ) ) |
|---|
| 331 | zpronmax = zprnutmax * zmax * MAX(0., MIN(1., ( zratiop - xqppmin(ji,jj,jk) ) & |
|---|
| 332 | & / ( xqppmax(ji,jj,jk) - xqppmin(ji,jj,jk) + rtrn ), xlimpfe(ji,jj,jk) ) ) |
|---|
| 333 | zpronmax = zpronmax * xqnpmin(ji,jj,jk) / qnnmin |
|---|
| 334 | zpronewp(ji,jj,jk) = zpronmax * xpicono3(ji,jj,jk) |
|---|
| 335 | zproregp(ji,jj,jk) = zpronmax * xpiconh4(ji,jj,jk) |
|---|
| 336 | ! Uptake of phosphorus |
|---|
| 337 | zratio = 1.0 - MIN( 1., zratiop / (xqppmax(ji,jj,jk) + rtrn) ) |
|---|
| 338 | zmax = MAX(0., MIN(1., zratio**2 / (0.05**2 + zratio**2) ) ) |
|---|
| 339 | zpropmax = zprnutmax * zmax * xlimpfe(ji,jj,jk) |
|---|
| 340 | zpropo4p(ji,jj,jk) = zpropmax * xpicopo4(ji,jj,jk) |
|---|
| 341 | zprodopp(ji,jj,jk) = zpropmax * xpicodop(ji,jj,jk) |
|---|
| 342 | ! Uptake of iron |
|---|
| 343 | zqfpmax = xqfuncfecp(ji,jj,jk) + ( qfpmax - xqfuncfecp(ji,jj,jk) ) * xlimnpp(ji,jj,jk) |
|---|
| 344 | zratio = 1.0 - MIN( 1., zratiof / zqfpmax ) |
|---|
| 345 | zmax = MAX(0., MIN(1., zratio**2 / (0.05**2 + zratio**2) ) ) |
|---|
| 346 | zprofmax = zprnutmax * zqfpmax * zmax |
|---|
| 347 | zprofep(ji,jj,jk) = zprofmax * xpicofer(ji,jj,jk) & |
|---|
| 348 | & * (1. + 0.8 * xpicono3(ji,jj,jk) / ( rtrn & |
|---|
| 349 | & + xpicono3(ji,jj,jk) + xpiconh4(ji,jj,jk) ) * (1. - xpicofer(ji,jj,jk) ) ) |
|---|
| 350 | ENDIF |
|---|
| 351 | END_3D |
|---|
| 352 | |
|---|
| 353 | ! Computation of the various production and uptake terms of diatoms |
|---|
| 354 | ! Interactions between N and P are modeled according to the Chain Model |
|---|
| 355 | ! of Pahlow et al. (2009). Iron uptake is modeled following traditional |
|---|
| 356 | ! Droop kinetics. When the quota is approaching the maximum achievable |
|---|
| 357 | ! quota, uptake is downregulated according to a sigmoidal function |
|---|
| 358 | ! (power 2), as proposed by Flynn (2003) |
|---|
| 359 | ! --------------------------------------------------------------------------- |
|---|
| 360 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
|---|
| 361 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
|---|
| 362 | ! production terms for diatomees |
|---|
| 363 | zprorcad(ji,jj,jk) = zprdia(ji,jj,jk) * xlimdia(ji,jj,jk) * tr(ji,jj,jk,jpdia,Kbb) * rfact2 |
|---|
| 364 | ! Size computation |
|---|
| 365 | ! Size is made a function of the limitation of of phytoplankton growth |
|---|
| 366 | ! Strongly limited cells are supposed to be smaller. sizeda is |
|---|
| 367 | ! size at time step t+1 and is thus updated at the end of the |
|---|
| 368 | ! current time step. |
|---|
| 369 | ! -------------------------------------------------------------------- |
|---|
| 370 | zlimfac = zprchld(ji,jj,jk) * xlimdias(ji,jj,jk) / ( zprmaxd(ji,jj,jk) + rtrn ) |
|---|
| 371 | zsizetmp = 1.0 + 1.3 * ( xsizerd - 1.0 ) * zlimfac**3/(0.3 + zlimfac**3) |
|---|
| 372 | sizeda(ji,jj,jk) = min(xsizerd, max( sizeda(ji,jj,jk), zsizetmp ) ) |
|---|
| 373 | ! Maximum potential uptake rate of nutrients |
|---|
| 374 | zration = tr(ji,jj,jk,jpndi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
|---|
| 375 | zratiop = tr(ji,jj,jk,jppdi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
|---|
| 376 | zratiof = tr(ji,jj,jk,jpdfe,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
|---|
| 377 | zprnutmax = zprnut(ji,jj,jk) * fvduptk(ji,jj,jk) / rno3 * tr(ji,jj,jk,jpdia,Kbb) * rfact2 |
|---|
| 378 | ! Uptake of nitrogen |
|---|
| 379 | zratio = 1.0 - MIN( 1., zration / (xqndmax(ji,jj,jk) + rtrn) ) |
|---|
| 380 | zmax = MAX(0., MIN(1., zratio**2 / (0.05**2 + zratio**2) ) ) |
|---|
| 381 | zpronmax = zprnutmax * zmax * MAX(0., MIN(1., ( zratiop - xqpdmin(ji,jj,jk) ) & |
|---|
| 382 | & / ( xqpdmax(ji,jj,jk) - xqpdmin(ji,jj,jk) + rtrn ), xlimdfe(ji,jj,jk) ) ) |
|---|
| 383 | zpronmax = zpronmax * xqndmin(ji,jj,jk) / qnnmin |
|---|
| 384 | zpronewd(ji,jj,jk) = zpronmax * xdiatno3(ji,jj,jk) |
|---|
| 385 | zproregd(ji,jj,jk) = zpronmax * xdiatnh4(ji,jj,jk) |
|---|
| 386 | ! Uptake of phosphorus |
|---|
| 387 | zratio = 1.0 - MIN( 1., zratiop / (xqpdmax(ji,jj,jk) + rtrn) ) |
|---|
| 388 | zmax = MAX(0., MIN(1., zratio**2/ (0.05**2 + zratio**2) ) ) |
|---|
| 389 | zpropmax = zprnutmax * zmax * xlimdfe(ji,jj,jk) |
|---|
| 390 | zpropo4d(ji,jj,jk) = zpropmax * xdiatpo4(ji,jj,jk) |
|---|
| 391 | zprodopd(ji,jj,jk) = zpropmax * xdiatdop(ji,jj,jk) |
|---|
| 392 | ! Uptake of iron |
|---|
| 393 | zqfdmax = xqfuncfecd(ji,jj,jk) + ( qfdmax - xqfuncfecd(ji,jj,jk) ) * xlimnpd(ji,jj,jk) |
|---|
| 394 | zratio = 1.0 - MIN( 1., zratiof / zqfdmax ) |
|---|
| 395 | zmax = MAX(0., MIN(1., zratio**2 / (0.05**2 + zratio**2) ) ) |
|---|
| 396 | zprofmax = zprnutmax * zqfdmax * zmax |
|---|
| 397 | zprofed(ji,jj,jk) = zprofmax * xdiatfer(ji,jj,jk) & |
|---|
| 398 | & * (1. + 0.8 * xdiatno3(ji,jj,jk) / ( rtrn & |
|---|
| 399 | & + xdiatno3(ji,jj,jk) + xdiatnh4(ji,jj,jk) ) * (1. - xdiatfer(ji,jj,jk) ) ) |
|---|
| 400 | ENDIF |
|---|
| 401 | END_3D |
|---|
| 402 | |
|---|
| 403 | ! Production of Chlorophyll. The formulation proposed by Geider et al. |
|---|
| 404 | ! is adopted here. |
|---|
| 405 | ! -------------------------------------------------------------------- |
|---|
| 406 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
|---|
| 407 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
|---|
| 408 | ! production terms for nanophyto. ( chlorophyll ) |
|---|
| 409 | znanotot = enanom(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
|---|
| 410 | zprod = rday * (zpronewn(ji,jj,jk) + zproregn(ji,jj,jk)) * zprchln(ji,jj,jk) * xlimphy(ji,jj,jk) |
|---|
| 411 | zprochln = thetannm * zprod / ( zpislopeadn(ji,jj,jk) * znanotot + rtrn ) |
|---|
| 412 | zprochln = MAX(zprochln, chlcmin * 12. * zprorcan (ji,jj,jk) ) |
|---|
| 413 | ! production terms for picophyto. ( chlorophyll ) |
|---|
| 414 | zpicotot = epicom(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
|---|
| 415 | zprod = rday * (zpronewp(ji,jj,jk) + zproregp(ji,jj,jk)) * zprchlp(ji,jj,jk) * xlimpic(ji,jj,jk) |
|---|
| 416 | zprochlp = thetanpm * zprod / ( zpislopeadp(ji,jj,jk) * zpicotot + rtrn ) |
|---|
| 417 | zprochlp = MAX(zprochlp, chlcmin * 12. * zprorcap(ji,jj,jk) ) |
|---|
| 418 | ! production terms for diatoms ( chlorophyll ) |
|---|
| 419 | zdiattot = ediatm(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
|---|
| 420 | zprod = rday * (zpronewd(ji,jj,jk) + zproregd(ji,jj,jk)) * zprchld(ji,jj,jk) * xlimdia(ji,jj,jk) |
|---|
| 421 | zprochld = thetandm * zprod / ( zpislopeadd(ji,jj,jk) * zdiattot + rtrn ) |
|---|
| 422 | zprochld = MAX(zprochld, chlcmin * 12. * zprorcad(ji,jj,jk) ) |
|---|
| 423 | ! Update the arrays TRA which contain the Chla sources and sinks |
|---|
| 424 | tr(ji,jj,jk,jpnch,Krhs) = tr(ji,jj,jk,jpnch,Krhs) + zprochln * texcretn |
|---|
| 425 | tr(ji,jj,jk,jpdch,Krhs) = tr(ji,jj,jk,jpdch,Krhs) + zprochld * texcretd |
|---|
| 426 | tr(ji,jj,jk,jppch,Krhs) = tr(ji,jj,jk,jppch,Krhs) + zprochlp * texcretp |
|---|
| 427 | ENDIF |
|---|
| 428 | END_3D |
|---|
| 429 | |
|---|
| 430 | ! Update the arrays TRA which contain the biological sources and sinks |
|---|
| 431 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
|---|
| 432 | zpptot = zpropo4n(ji,jj,jk) + zpropo4d(ji,jj,jk) + zpropo4p(ji,jj,jk) |
|---|
| 433 | zpnewtot = zpronewn(ji,jj,jk) + zpronewd(ji,jj,jk) + zpronewp(ji,jj,jk) |
|---|
| 434 | zpregtot = zproregn(ji,jj,jk) + zproregd(ji,jj,jk) + zproregp(ji,jj,jk) |
|---|
| 435 | |
|---|
| 436 | zprontot = zpronewn(ji,jj,jk) + zproregn(ji,jj,jk) |
|---|
| 437 | zproptot = zpronewp(ji,jj,jk) + zproregp(ji,jj,jk) |
|---|
| 438 | zprodtot = zpronewd(ji,jj,jk) + zproregd(ji,jj,jk) |
|---|
| 439 | ! |
|---|
| 440 | zproddoc = excretd * zprorcad(ji,jj,jk) & |
|---|
| 441 | & + excretn * zprorcan(ji,jj,jk) & |
|---|
| 442 | & + excretp * zprorcap(ji,jj,jk) |
|---|
| 443 | ! |
|---|
| 444 | zproddop = excretd * zpropo4d(ji,jj,jk) - texcretd * zprodopd(ji,jj,jk) & |
|---|
| 445 | & + excretn * zpropo4n(ji,jj,jk) - texcretn * zprodopn(ji,jj,jk) & |
|---|
| 446 | & + excretp * zpropo4p(ji,jj,jk) - texcretp * zprodopp(ji,jj,jk) |
|---|
| 447 | |
|---|
| 448 | zproddon = excretd * zprodtot + excretn * zprontot + excretp * zproptot |
|---|
| 449 | |
|---|
| 450 | zprodfer = texcretn * zprofen(ji,jj,jk) + texcretd * zprofed(ji,jj,jk) + texcretp * zprofep(ji,jj,jk) |
|---|
| 451 | zresptot = zrespn(ji,jj,jk) + zrespp(ji,jj,jk) + zrespd(ji,jj,jk) |
|---|
| 452 | ! |
|---|
| 453 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) - zpptot |
|---|
| 454 | tr(ji,jj,jk,jpno3,Krhs) = tr(ji,jj,jk,jpno3,Krhs) - zpnewtot |
|---|
| 455 | tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) - zpregtot |
|---|
| 456 | ! |
|---|
| 457 | tr(ji,jj,jk,jpphy,Krhs) = tr(ji,jj,jk,jpphy,Krhs) & |
|---|
| 458 | & + zprorcan(ji,jj,jk) * texcretn & |
|---|
| 459 | & - xpsino3 * zpronewn(ji,jj,jk) & |
|---|
| 460 | & - xpsinh4 * zproregn(ji,jj,jk) & |
|---|
| 461 | & - zrespn(ji,jj,jk) |
|---|
| 462 | |
|---|
| 463 | tr(ji,jj,jk,jpnph,Krhs) = tr(ji,jj,jk,jpnph,Krhs) + zprontot * texcretn |
|---|
| 464 | tr(ji,jj,jk,jppph,Krhs) = tr(ji,jj,jk,jppph,Krhs) + ( zpropo4n(ji,jj,jk) + zprodopn(ji,jj,jk) ) * texcretn |
|---|
| 465 | tr(ji,jj,jk,jpnfe,Krhs) = tr(ji,jj,jk,jpnfe,Krhs) + zprofen(ji,jj,jk) * texcretn |
|---|
| 466 | |
|---|
| 467 | ! |
|---|
| 468 | tr(ji,jj,jk,jppic,Krhs) = tr(ji,jj,jk,jppic,Krhs) & |
|---|
| 469 | & + zprorcap(ji,jj,jk) * texcretp & |
|---|
| 470 | & - xpsino3 * zpronewp(ji,jj,jk) & |
|---|
| 471 | & - xpsinh4 * zproregp(ji,jj,jk) & |
|---|
| 472 | & - zrespp(ji,jj,jk) |
|---|
| 473 | |
|---|
| 474 | tr(ji,jj,jk,jpnpi,Krhs) = tr(ji,jj,jk,jpnpi,Krhs) + zproptot * texcretp |
|---|
| 475 | tr(ji,jj,jk,jpppi,Krhs) = tr(ji,jj,jk,jpppi,Krhs) + ( zpropo4p(ji,jj,jk) + zprodopp(ji,jj,jk) ) * texcretp |
|---|
| 476 | tr(ji,jj,jk,jppfe,Krhs) = tr(ji,jj,jk,jppfe,Krhs) + zprofep(ji,jj,jk) * texcretp |
|---|
| 477 | |
|---|
| 478 | ! |
|---|
| 479 | tr(ji,jj,jk,jpdia,Krhs) = tr(ji,jj,jk,jpdia,Krhs) & |
|---|
| 480 | & + zprorcad(ji,jj,jk) * texcretd & |
|---|
| 481 | & - xpsino3 * zpronewd(ji,jj,jk) & |
|---|
| 482 | & - xpsinh4 * zproregd(ji,jj,jk) & |
|---|
| 483 | & - zrespd(ji,jj,jk) |
|---|
| 484 | |
|---|
| 485 | tr(ji,jj,jk,jpndi,Krhs) = tr(ji,jj,jk,jpndi,Krhs) + zprodtot * texcretd |
|---|
| 486 | tr(ji,jj,jk,jppdi,Krhs) = tr(ji,jj,jk,jppdi,Krhs) + ( zpropo4d(ji,jj,jk) + zprodopd(ji,jj,jk) ) * texcretd |
|---|
| 487 | tr(ji,jj,jk,jpdfe,Krhs) = tr(ji,jj,jk,jpdfe,Krhs) + zprofed(ji,jj,jk) * texcretd |
|---|
| 488 | tr(ji,jj,jk,jpdsi,Krhs) = tr(ji,jj,jk,jpdsi,Krhs) + zprmaxd(ji,jj,jk) * zysopt(ji,jj,jk) * rfact2 * tr(ji,jj,jk,jpdia,Kbb) |
|---|
| 489 | tr(ji,jj,jk,jpdoc,Krhs) = tr(ji,jj,jk,jpdoc,Krhs) + zproddoc |
|---|
| 490 | tr(ji,jj,jk,jpdon,Krhs) = tr(ji,jj,jk,jpdon,Krhs) + zproddon |
|---|
| 491 | tr(ji,jj,jk,jpdop,Krhs) = tr(ji,jj,jk,jpdop,Krhs) + zproddop |
|---|
| 492 | |
|---|
| 493 | tr(ji,jj,jk,jpoxy,Krhs) = tr(ji,jj,jk,jpoxy,Krhs) & |
|---|
| 494 | & + o2ut * zpregtot + ( o2ut + o2nit ) * zpnewtot - o2ut * zresptot |
|---|
| 495 | |
|---|
| 496 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) - zprodfer |
|---|
| 497 | consfe3(ji,jj,jk) = zprodfer * 75.0 / ( rtrn + ( plig(ji,jj,jk) + 75.0 * (1.0 - plig(ji,jj,jk) ) ) & |
|---|
| 498 | & * tr(ji,jj,jk,jpfer,Kbb) ) / rfact2 |
|---|
| 499 | tr(ji,jj,jk,jpsil,Krhs) = tr(ji,jj,jk,jpsil,Krhs) - zprmaxd(ji,jj,jk) * zysopt(ji,jj,jk) * rfact2 * tr(ji,jj,jk,jpdia,Kbb) |
|---|
| 500 | |
|---|
| 501 | tr(ji,jj,jk,jpdic,Krhs) = tr(ji,jj,jk,jpdic,Krhs) - zpptot & |
|---|
| 502 | & + xpsino3 * zpronewn(ji,jj,jk) + xpsinh4 * zproregn(ji,jj,jk) & |
|---|
| 503 | & + xpsino3 * zpronewp(ji,jj,jk) + xpsinh4 * zproregp(ji,jj,jk) & |
|---|
| 504 | & + xpsino3 * zpronewd(ji,jj,jk) + xpsinh4 * zproregd(ji,jj,jk) |
|---|
| 505 | |
|---|
| 506 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) + rno3 * ( zpnewtot - zpregtot ) |
|---|
| 507 | ! |
|---|
| 508 | END_3D |
|---|
| 509 | |
|---|
| 510 | ! Production and uptake of ligands by phytoplankton. This part is activated |
|---|
| 511 | ! when ln_ligand is set to .true. in the namelist. Ligand uptake is small |
|---|
| 512 | ! and based on the FeL model by Morel et al. (2008) and on the study of |
|---|
| 513 | ! Shaked and Lis (2012) |
|---|
| 514 | ! ------------------------------------------------------------------------- |
|---|
| 515 | IF( ln_ligand ) THEN |
|---|
| 516 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
|---|
| 517 | zproddoc = excretd * zprorcad(ji,jj,jk) + excretn * zprorcan(ji,jj,jk) + excretp * zprorcap(ji,jj,jk) |
|---|
| 518 | zprodfer = texcretn * zprofen(ji,jj,jk) + texcretd * zprofed(ji,jj,jk) + texcretp * zprofep(ji,jj,jk) |
|---|
| 519 | zprodlig = plig(ji,jj,jk) / ( rtrn + plig(ji,jj,jk) + 75.0 * (1.0 - plig(ji,jj,jk) ) ) * lthet |
|---|
| 520 | ! |
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| 521 | tr(ji,jj,jk,jplgw,Krhs) = tr(ji,jj,jk,jplgw,Krhs) + zproddoc * ldocp - zprodfer * zprodlig |
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| 522 | END_3D |
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| 523 | ENDIF |
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| 524 | |
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| 525 | ! Total primary production per year |
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| 526 | IF( iom_use( "tintpp" ) .OR. ( ln_check_mass .AND. kt == nitend .AND. knt == nrdttrc ) ) & |
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| 527 | & tpp = glob_sum( 'p5zprod', ( zprorcan(:,:,:) + zprorcad(:,:,:) + zprorcap(:,:,:) ) * cvol(:,:,:) ) |
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| 528 | |
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| 529 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
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| 530 | zfact = 1.e+3 * rfact2r ! conversion from mol/l/kt to mol/m3/s |
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| 531 | ! |
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| 532 | CALL iom_put( "PPPHYP" , zprorcap(:,:,:) * zfact * tmask(:,:,:) ) ! primary production by picophyto |
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| 533 | CALL iom_put( "PPPHYN" , zprorcan(:,:,:) * zfact * tmask(:,:,:) ) ! primary production by nanophyto |
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| 534 | CALL iom_put( "PPPHYD" , zprorcad(:,:,:) * zfact * tmask(:,:,:) ) ! primary production by diatomes |
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| 535 | CALL iom_put( "PPNEWN" , zpronewp(:,:,:) * zfact * tmask(:,:,:) ) ! new primary production by picophyto |
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| 536 | CALL iom_put( "PPNEWN" , zpronewn(:,:,:) * zfact * tmask(:,:,:) ) ! new primary production by nanophyto |
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| 537 | CALL iom_put( "PPNEWD" , zpronewd(:,:,:) * zfact * tmask(:,:,:) ) ! new primary production by diatomes |
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| 538 | CALL iom_put( "PBSi" , zprmaxd (:,:,:) * zfact * tmask(:,:,:) * zysopt(:,:,:) ) ! biogenic silica production |
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| 539 | CALL iom_put( "PFeP" , zprofep (:,:,:) * zfact * tmask(:,:,:) ) ! biogenic iron production by picophyto |
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| 540 | CALL iom_put( "PFeN" , zprofen(:,:,:) * zfact * tmask(:,:,:) ) ! biogenic iron production by nanophyto |
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| 541 | CALL iom_put( "PFeD" , zprofed(:,:,:) * zfact * tmask(:,:,:) ) ! biogenic iron production by diatomes |
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| 542 | IF( ln_ligand .AND. ( iom_use( "LPRODP" ) .OR. iom_use( "LDETP" ) ) ) THEN |
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| 543 | ALLOCATE( zpligprod(jpi,jpj,jpk) ) |
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| 544 | zpligprod(:,:,:) = excretd * zprorcad(:,:,:) + excretn * zprorcan(:,:,:) + excretp * zprorcap(:,:,:) |
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| 545 | CALL iom_put( "LPRODP" , zpligprod(:,:,:) * ldocp * 1e9 * zfact * tmask(:,:,:) ) |
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| 546 | ! |
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| 547 | zpligprod(:,:,:) = ( texcretn * zprofen(:,:,:) + texcretd * zprofed(:,:,:) + texcretp * zprofep(:,:,:) ) & |
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| 548 | & * plig(:,:,:) / ( rtrn + plig(:,:,:) + 75.0 * (1.0 - plig(:,:,:) ) ) |
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| 549 | CALL iom_put( "LDETP" , zpligprod(:,:,:) * lthet * 1e9 * zfact * tmask(:,:,:) ) |
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| 550 | DEALLOCATE( zpligprod ) |
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| 551 | ENDIF |
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| 552 | CALL iom_put( "Mumax" , zprmaxn(:,:,:) * tmask(:,:,:) ) ! Maximum growth rate |
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| 553 | CALL iom_put( "MuP" , zprpic(:,:,:) * xlimpic(:,:,:) * tmask(:,:,:) ) ! Realized growth rate for picophyto |
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| 554 | CALL iom_put( "MuN" , zprbio(:,:,:) * xlimphy(:,:,:) * tmask(:,:,:) ) ! Realized growth rate for nanophyto |
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| 555 | CALL iom_put( "MuD" , zprdia(:,:,:) * xlimdia(:,:,:) * tmask(:,:,:) ) ! Realized growth rate for diatoms |
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| 556 | CALL iom_put( "LPlight" , zprpic(:,:,:) / (zprmaxp(:,:,:) + rtrn) * tmask(:,:,:) ) ! light limitation term |
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| 557 | CALL iom_put( "LNlight" , zprbio(:,:,:) / (zprmaxn(:,:,:) + rtrn) * tmask(:,:,:) ) ! light limitation term |
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| 558 | CALL iom_put( "LDlight" , zprdia(:,:,:) / (zprmaxd(:,:,:) + rtrn) * tmask(:,:,:) ) |
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| 559 | CALL iom_put( "MunetP" , ( tr(:,:,:,jppic,Krhs)/rfact2/(tr(:,:,:,jppic,Kbb)+ rtrn ) * tmask(:,:,:)) ) ! Realized growth rate for picophyto |
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| 560 | CALL iom_put( "MunetN" , ( tr(:,:,:,jpphy,Krhs)/rfact2/(tr(:,:,:,jpphy,Kbb)+ rtrn ) * tmask(:,:,:)) ) ! Realized growth rate for picophyto |
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| 561 | CALL iom_put( "MunetD" , ( tr(:,:,:,jpdia,Krhs)/rfact2/(tr(:,:,:,jpdia,Kbb)+ rtrn ) * tmask(:,:,:)) ) ! Realized growth rate for picophyto |
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| 562 | CALL iom_put( "TPP" , ( zprorcap(:,:,:) + zprorcan(:,:,:) + zprorcad(:,:,:) ) * zfact * tmask(:,:,:) ) ! total primary production |
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| 563 | CALL iom_put( "TPNEW" , ( zpronewp(:,:,:) + zpronewn(:,:,:) + zpronewd(:,:,:) ) * zfact * tmask(:,:,:) ) ! total new production |
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| 564 | CALL iom_put( "TPBFE" , ( zprofep (:,:,:) + zprofen (:,:,:) + zprofed (:,:,:) ) * zfact * tmask(:,:,:) ) ! total biogenic iron production |
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| 565 | CALL iom_put( "tintpp" , tpp * zfact ) ! global total integrated primary production molC/s |
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| 566 | ENDIF |
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| 567 | |
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| 568 | IF(sn_cfctl%l_prttrc) THEN ! print mean trends (used for debugging) |
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| 569 | WRITE(charout, FMT="('prod')") |
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| 570 | CALL prt_ctl_info( charout, cdcomp = 'top' ) |
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| 571 | CALL prt_ctl(tab4d_1=tr(:,:,:,:,Krhs), mask1=tmask, clinfo=ctrcnm) |
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| 572 | ENDIF |
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| 573 | ! |
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| 574 | IF( ln_timing ) CALL timing_stop('p5z_prod') |
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| 575 | ! |
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| 576 | END SUBROUTINE p5z_prod |
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| 577 | |
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| 578 | |
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| 579 | SUBROUTINE p5z_prod_init |
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| 580 | !!---------------------------------------------------------------------- |
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| 581 | !! *** ROUTINE p5z_prod_init *** |
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| 582 | !! |
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| 583 | !! ** Purpose : Initialization of phytoplankton production parameters |
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| 584 | !! |
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| 585 | !! ** Method : Read the namp5zprod namelist and check the parameters |
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| 586 | !! called at the first timestep (nittrc000) |
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| 587 | !! |
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| 588 | !! ** input : Namelist namp5zprod |
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| 589 | !!---------------------------------------------------------------------- |
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| 590 | INTEGER :: ios ! Local integer output status for namelist read |
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| 591 | !! |
|---|
| 592 | NAMELIST/namp5zprod/ pislopen, pislopep, pisloped, excretn, excretp, excretd, & |
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| 593 | & thetannm, thetanpm, thetandm, chlcmin, grosip, bresp, xadap |
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| 594 | !!---------------------------------------------------------------------- |
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| 595 | |
|---|
| 596 | READ ( numnatp_ref, namp5zprod, IOSTAT = ios, ERR = 901) |
|---|
| 597 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp5zprod in reference namelist' ) |
|---|
| 598 | |
|---|
| 599 | READ ( numnatp_cfg, namp5zprod, IOSTAT = ios, ERR = 902 ) |
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| 600 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp5zprod in configuration namelist' ) |
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| 601 | IF(lwm) WRITE ( numonp, namp5zprod ) |
|---|
| 602 | |
|---|
| 603 | IF(lwp) THEN ! control print |
|---|
| 604 | WRITE(numout,*) ' ' |
|---|
| 605 | WRITE(numout,*) ' Namelist parameters for phytoplankton growth, namp5zprod' |
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| 606 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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| 607 | WRITE(numout,*) ' mean Si/C ratio grosip =', grosip |
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| 608 | WRITE(numout,*) ' P-I slope pislopen =', pislopen |
|---|
| 609 | WRITE(numout,*) ' P-I slope for diatoms pisloped =', pisloped |
|---|
| 610 | WRITE(numout,*) ' P-I slope for picophytoplankton pislopep =', pislopep |
|---|
| 611 | WRITE(numout,*) ' Acclimation factor to low light xadap =', xadap |
|---|
| 612 | WRITE(numout,*) ' excretion ratio of nanophytoplankton excretn =', excretn |
|---|
| 613 | WRITE(numout,*) ' excretion ratio of picophytoplankton excretp =', excretp |
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| 614 | WRITE(numout,*) ' excretion ratio of diatoms excretd =', excretd |
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| 615 | WRITE(numout,*) ' basal respiration in phytoplankton bresp =', bresp |
|---|
| 616 | WRITE(numout,*) ' Maximum Chl/C in phytoplankton chlcmin =', chlcmin |
|---|
| 617 | WRITE(numout,*) ' Minimum Chl/N in nanophytoplankton thetannm =', thetannm |
|---|
| 618 | WRITE(numout,*) ' Minimum Chl/N in picophytoplankton thetanpm =', thetanpm |
|---|
| 619 | WRITE(numout,*) ' Minimum Chl/N in diatoms thetandm =', thetandm |
|---|
| 620 | ENDIF |
|---|
| 621 | ! |
|---|
| 622 | r1_rday = 1._wp / rday |
|---|
| 623 | texcretn = 1._wp - excretn |
|---|
| 624 | texcretp = 1._wp - excretp |
|---|
| 625 | texcretd = 1._wp - excretd |
|---|
| 626 | tpp = 0._wp |
|---|
| 627 | ! |
|---|
| 628 | END SUBROUTINE p5z_prod_init |
|---|
| 629 | |
|---|
| 630 | |
|---|
| 631 | INTEGER FUNCTION p5z_prod_alloc() |
|---|
| 632 | !!---------------------------------------------------------------------- |
|---|
| 633 | !! *** ROUTINE p5z_prod_alloc *** |
|---|
| 634 | !!---------------------------------------------------------------------- |
|---|
| 635 | ALLOCATE( zdaylen(jpi,jpj), STAT = p5z_prod_alloc ) |
|---|
| 636 | ! |
|---|
| 637 | IF( p5z_prod_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p5z_prod_alloc : failed to allocate arrays.' ) |
|---|
| 638 | ! |
|---|
| 639 | END FUNCTION p5z_prod_alloc |
|---|
| 640 | !!====================================================================== |
|---|
| 641 | END MODULE p5zprod |
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