| 1 | MODULE trcsed_medusa |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcsed_medusa *** |
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| 4 | !! TOP : MEDUSA Compute loss of organic matter in the sediments |
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| 5 | !!====================================================================== |
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| 6 | !! History : - ! 1995-06 (M. Levy) original code |
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| 7 | !! - ! 2000-12 (E. Kestenare) clean up |
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| 8 | !! 2.0 ! 2007-12 (C. Deltel, G. Madec) F90 + simplifications |
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| 9 | !! - ! 2008-08 (K. Popova) adaptation for MEDUSA |
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| 10 | !! - ! 2008-11 (A. Yool) continuing adaptation for MEDUSA |
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| 11 | !! - ! 2010-03 (A. Yool) updated for branch inclusion |
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| 12 | !! - ! 2011-04 (A. Yool) updated for ROAM project |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | #if defined key_medusa |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | !! 'key_medusa' MEDUSA bio-model |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | !! trc_sed_medusa : Compute loss of organic matter in the sediments |
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| 19 | !!---------------------------------------------------------------------- |
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| 20 | USE oce_trc ! |
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| 21 | USE trc |
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| 22 | USE sms_medusa |
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| 23 | !! AXY (10/02/09) |
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| 24 | USE iom |
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| 25 | |
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| 26 | USE lbclnk |
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| 27 | USE prtctl_trc ! Print control for debbuging |
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| 28 | |
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| 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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| 32 | PUBLIC trc_sed_medusa ! called in ??? |
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| 33 | PUBLIC trc_sed_medusa_sbc |
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| 34 | |
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| 35 | !! * Module variables |
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| 36 | INTEGER :: & |
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| 37 | ryyss, & !: number of seconds per year |
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| 38 | rmtss !: number of seconds per month |
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| 39 | |
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| 40 | !! AXY (10/02/09) |
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| 41 | LOGICAL, PUBLIC :: & |
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| 42 | bdustfer = .TRUE. |
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| 43 | REAL(wp), PUBLIC :: & |
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| 44 | sedfeinput = 1.e-9_wp , & |
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| 45 | dustsolub = 0.014_wp |
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| 46 | INTEGER :: & |
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| 47 | numdust, & |
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| 48 | nflx1, nflx2, & |
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| 49 | nflx11, nflx12 |
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| 50 | !!* Substitution |
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| 51 | # include "domzgr_substitute.h90" |
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| 52 | !!---------------------------------------------------------------------- |
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| 53 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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| 54 | !! $Id$ |
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| 55 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | |
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| 58 | CONTAINS |
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| 59 | |
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| 60 | SUBROUTINE trc_sed_medusa( kt ) |
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| 61 | !!--------------------------------------------------------------------- |
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| 62 | !! *** ROUTINE trc_sed_medusa *** |
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| 63 | !! |
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| 64 | !! ** Purpose : compute the now trend due to the vertical sedimentation of |
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| 65 | !! detritus and add it to the general trend of detritus equations |
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| 66 | !! |
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| 67 | !! ** Method : this ROUTINE compute not exactly the advection but the |
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| 68 | !! transport term, i.e. dz(wt) and dz(ws)., dz(wtr) |
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| 69 | !! using an upstream scheme |
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| 70 | !! the now vertical advection of tracers is given by: |
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| 71 | !! dz(trn wn) = 1/bt dk+1( e1t e2t vsed (trn) ) |
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| 72 | !! add this trend now to the general trend of tracer (ta,sa,tra): |
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| 73 | !! tra = tra + dz(trn wn) |
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| 74 | !! |
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| 75 | !! IF 'key_trc_diabio' is defined, the now vertical advection |
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| 76 | !! trend of passive tracers is saved for futher diagnostics. |
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| 77 | !!--------------------------------------------------------------------- |
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| 78 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 79 | !! AXY (10/02/09) |
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| 80 | INTEGER :: jnt |
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| 81 | !! |
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| 82 | INTEGER :: ji, jj, jk |
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| 83 | REAL(wp) :: ztra |
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| 84 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwork |
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| 85 | |
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| 86 | !! AXY (10/02/09) |
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| 87 | REAL(wp), DIMENSION(jpi,jpj) :: zsidep !! Si deposition |
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| 88 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zirondep !! Fe deposition |
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| 89 | REAL(wp) :: rfact2 |
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| 90 | |
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| 91 | CHARACTER (len=25) :: charout |
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| 92 | !!--------------------------------------------------------------------- |
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| 93 | |
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| 94 | !! AXY (10/02/09) |
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| 95 | jnt = 1 |
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| 96 | rfact2 = 1.0 |
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| 97 | |
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| 98 | ! Number of seconds per year and per month |
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| 99 | ryyss = nyear_len(1) * rday |
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| 100 | rmtss = ryyss / raamo |
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| 101 | |
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| 102 | !! AXY (20/11/14): alter this to report on first MEDUSA call |
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| 103 | !! IF( kt == nit000 ) THEN |
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| 104 | IF( kt == nittrc000 ) THEN |
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| 105 | IF(lwp) WRITE(numout,*) |
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| 106 | IF(lwp) WRITE(numout,*) ' trc_sed_medusa: MEDUSA sedimentation' |
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| 107 | IF(lwp) WRITE(numout,*) ' ~~~~~~~' |
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| 108 | IF(lwp) WRITE(numout,*) ' kt =',kt |
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| 109 | ENDIF |
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| 110 | |
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| 111 | !! AXY (04/11/13): replace this with a call in trc_ini_medusa |
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| 112 | !! AXY (25/02/10) |
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| 113 | !! call routine for populating CCD array if this is the first time-step |
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| 114 | !! IF( kt == nittrc000 ) CALL medusa_ccd( kt ) |
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| 115 | |
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| 116 | !! AXY (04/11/13): replace this with a call in trc_ini_medusa |
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| 117 | !! AXY (26/01/12) |
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| 118 | !! call routine for populating river arrays if this is the first time-step |
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| 119 | !! IF( kt == nittrc000 ) CALL medusa_river( kt ) |
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| 120 | |
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| 121 | !! AXY (10/02/09) |
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| 122 | IF( (jnt == 1) .and. (bdustfer) ) CALL trc_sed_medusa_sbc( kt ) |
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| 123 | !! |
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| 124 | zirondep(:,:,:) = 0.e0 !! Initialisation of deposition variables |
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| 125 | zsidep (:,:) = 0.e0 |
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| 126 | !! |
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| 127 | !! Iron and Si deposition at the surface |
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| 128 | !! ------------------------------------- |
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| 129 | !! |
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| 130 | DO jj = 1, jpj |
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| 131 | DO ji = 1, jpi |
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| 132 | zirondep(ji,jj,1) = (dustsolub * dust(ji,jj) / (55.85 * rmtss) + 3.e-10 / ryyss) & |
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| 133 | & * rfact2 / fse3t(ji,jj,1) |
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| 134 | zsidep (ji,jj) = 8.8 * 0.075 * dust(ji,jj) * rfact2 / & |
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| 135 | & (fse3t(ji,jj,1) * 28.1 * rmtss) |
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| 136 | END DO |
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| 137 | END DO |
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| 138 | |
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| 139 | ! sedimentation of detrital nitrogen : upstream scheme |
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| 140 | ! ---------------------------------------------------- |
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| 141 | ! |
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| 142 | zwork(:,:,:) = 0.e0 ! initialisation of sinking variable |
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| 143 | ! for detrital nitrogen sedimentation only - jpdet |
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| 144 | zwork(:,:,1 ) = 0.e0 ! surface value set to zero |
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| 145 | zwork(:,:,jpk) = 0.e0 ! bottom value set to zero |
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| 146 | ! |
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| 147 | ! tracer flux at w-point: we use -vsed (downward flux) with simplification : no e1*e2 |
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| 148 | DO jk = 2, jpk |
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| 149 | ! AXY (17/07/14): change "0.d0" to "0." |
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| 150 | ! zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdet),0.d0) * tmask(:,:,jk-1) |
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| 151 | zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdet),0.) * tmask(:,:,jk-1) |
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| 152 | ! |
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| 153 | ! AXY (16/01/14): stop sinking in upper 10m to reduce model instability |
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| 154 | ! in shallower grid cells |
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| 155 | ! if ( jk .lt. 9 ) zwork(:,:,jk) = 0.e0 |
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| 156 | END DO |
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| 157 | ! |
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| 158 | ! tracer flux divergence at t-point added to the general trend |
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| 159 | DO jk = 1, jpkm1 |
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| 160 | DO jj = 1, jpj |
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| 161 | DO ji = 1,jpi |
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| 162 | ztra = - ( zwork(ji,jj,jk) - zwork(ji,jj,jk+1) ) / fse3t(ji,jj,jk) |
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| 163 | tra(ji,jj,jk,jpdet) = tra(ji,jj,jk,jpdet) + ztra |
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| 164 | # if defined key_trc_diabio |
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| 165 | trbio(ji,jj,jk,8) = ztra |
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| 166 | # endif |
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| 167 | IF( ln_diatrc ) & |
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| 168 | & trc2d(ji,jj,8) = trc2d(ji,jj,8) + ztra * fse3t(ji,jj,jk) * 86400. |
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| 169 | END DO |
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| 170 | END DO |
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| 171 | END DO |
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| 172 | ! |
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| 173 | # if defined key_trc_diabio |
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| 174 | CALL lbc_lnk (trbio(:,:,1,8), 'T', 1. ) ! Lateral boundary conditions on trcbio |
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| 175 | # endif |
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| 176 | IF( ln_diatrc ) CALL lbc_lnk( trc2d(:,:,8), 'T', 1. ) ! Lateral boundary conditions on trc2d |
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| 177 | # if defined key_iomput |
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| 178 | CALL iom_put( "DSED",trc2d(:,:,8) ) |
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| 179 | # endif |
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| 180 | |
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| 181 | # if defined key_roam |
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| 182 | |
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| 183 | ! sedimentation of detrital carbon : upstream scheme |
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| 184 | ! -------------------------------------------------- |
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| 185 | ! |
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| 186 | zwork(:,:,:) = 0.e0 ! initialisation of sinking variable |
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| 187 | ! for detrital carbon sedimentation only - jpdtc |
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| 188 | zwork(:,:,1 ) = 0.e0 ! surface value set to zero |
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| 189 | zwork(:,:,jpk) = 0.e0 ! bottom value set to zero |
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| 190 | ! |
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| 191 | ! tracer flux at w-point: we use -vsed (downward flux) with simplification : no e1*e2 |
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| 192 | DO jk = 2, jpk |
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| 193 | ! AXY (17/07/14): change "0.d0" to "0." |
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| 194 | ! zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdtc),0.d0) * tmask(:,:,jk-1) |
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| 195 | zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdtc),0.) * tmask(:,:,jk-1) |
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| 196 | ! |
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| 197 | ! AXY (16/01/14): stop sinking in upper 10m to reduce model instability |
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| 198 | ! in shallower grid cells |
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| 199 | ! if ( jk .lt. 9 ) zwork(:,:,jk) = 0.e0 |
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| 200 | END DO |
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| 201 | ! |
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| 202 | ! tracer flux divergence at t-point added to the general trend |
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| 203 | DO jk = 1, jpkm1 |
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| 204 | DO jj = 1, jpj |
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| 205 | DO ji = 1,jpi |
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| 206 | ztra = - ( zwork(ji,jj,jk) - zwork(ji,jj,jk+1) ) / fse3t(ji,jj,jk) |
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| 207 | tra(ji,jj,jk,jpdtc) = tra(ji,jj,jk,jpdtc) + ztra |
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| 208 | !! # if defined key_trc_diabio |
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| 209 | !! trbio(ji,jj,jk,8) = ztra |
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| 210 | !! # endif |
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| 211 | !! IF( ln_diatrc ) & |
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| 212 | !! & trc2d(ji,jj,8) = trc2d(ji,jj,8) + ztra * fse3t(ji,jj,jk) * 86400. |
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| 213 | END DO |
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| 214 | END DO |
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| 215 | END DO |
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| 216 | ! |
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| 217 | !! # if defined key_trc_diabio |
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| 218 | !! CALL lbc_lnk (trbio(:,:,1,8), 'T', 1. ) ! Lateral boundary conditions on trcbio |
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| 219 | !! # endif |
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| 220 | !! IF( ln_diatrc ) CALL lbc_lnk( trc2d(:,:,8), 'T', 1. ) ! Lateral boundary conditions on trc2d |
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| 221 | !! # if defined key_iomput |
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| 222 | !! CALL iom_put( "DSED",trc2d(:,:,8) ) |
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| 223 | !! # endif |
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| 224 | |
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| 225 | # endif |
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| 226 | |
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| 227 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 228 | WRITE(charout, FMT="('sed')") |
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| 229 | CALL prt_ctl_trc_info(charout) |
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| 230 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 231 | ENDIF |
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| 232 | |
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| 233 | END SUBROUTINE trc_sed_medusa |
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| 234 | |
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| 235 | !! ====================================================================== |
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| 236 | !! ====================================================================== |
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| 237 | !! ====================================================================== |
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| 238 | |
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| 239 | !! AXY (10/02/09) |
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| 240 | SUBROUTINE trc_sed_medusa_sbc(kt) |
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| 241 | |
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| 242 | !!---------------------------------------------------------------------- |
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| 243 | !! *** ROUTINE trc_sed_medusa_sbc *** |
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| 244 | !! |
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| 245 | !! ** Purpose : Read and interpolate the external sources of |
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| 246 | !! nutrients |
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| 247 | !! |
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| 248 | !! ** Method : Read the files and interpolate the appropriate variables |
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| 249 | !! |
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| 250 | !! ** input : external netcdf files |
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| 251 | !! |
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| 252 | !!---------------------------------------------------------------------- |
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| 253 | !! * arguments |
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| 254 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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| 255 | |
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| 256 | !! * Local declarations |
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| 257 | INTEGER :: & |
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| 258 | imois, imois2, & ! temporary integers |
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| 259 | i15 , iman ! " " |
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| 260 | REAL(wp) :: & |
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| 261 | zxy ! " " |
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| 262 | |
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| 263 | !!--------------------------------------------------------------------- |
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| 264 | |
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| 265 | !! Initialization |
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| 266 | !! -------------- |
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| 267 | !! |
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| 268 | i15 = nday / 16 |
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| 269 | iman = INT( raamo ) |
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| 270 | imois = nmonth + i15 - 1 |
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| 271 | IF( imois == 0 ) imois = iman |
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| 272 | imois2 = nmonth |
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| 273 | |
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| 274 | !! 1. first call kt=nittrc000 |
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| 275 | !! ----------------------- |
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| 276 | !! |
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| 277 | IF( kt == nittrc000 ) THEN |
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| 278 | ! initializations |
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| 279 | nflx1 = 0 |
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| 280 | nflx11 = 0 |
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| 281 | ! open the file |
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| 282 | IF(lwp) THEN |
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| 283 | WRITE(numout,*) ' ' |
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| 284 | WRITE(numout,*) ' **** Routine trc_sed_medusa_sbc' |
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| 285 | ENDIF |
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| 286 | CALL iom_open ( 'dust.orca.nc', numdust ) |
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| 287 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: dust.orca.nc opened' |
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| 288 | ENDIF |
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| 289 | |
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| 290 | !! Read monthly file |
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| 291 | !! ---------------- |
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| 292 | !! |
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| 293 | IF( kt == nittrc000 .OR. imois /= nflx1 ) THEN |
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| 294 | |
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| 295 | !! Calendar computation |
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| 296 | !! |
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| 297 | !! nflx1 number of the first file record used in the simulation |
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| 298 | !! nflx2 number of the last file record |
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| 299 | !! |
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| 300 | nflx1 = imois |
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| 301 | nflx2 = nflx1+1 |
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| 302 | nflx1 = MOD( nflx1, iman ) |
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| 303 | nflx2 = MOD( nflx2, iman ) |
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| 304 | IF( nflx1 == 0 ) nflx1 = iman |
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| 305 | IF( nflx2 == 0 ) nflx2 = iman |
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| 306 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: first record file used nflx1 ',nflx1 |
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| 307 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: last record file used nflx2 ',nflx2 |
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| 308 | |
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| 309 | !! Read monthly fluxes data |
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| 310 | !! |
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| 311 | !! humidity |
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| 312 | !! |
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| 313 | CALL iom_get ( numdust, jpdom_data, 'dust', dustmo(:,:,1), nflx1 ) |
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| 314 | CALL iom_get ( numdust, jpdom_data, 'dust', dustmo(:,:,2), nflx2 ) |
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| 315 | |
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| 316 | IF(lwp .AND. nitend-nit000 <= 100 ) THEN |
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| 317 | WRITE(numout,*) |
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| 318 | WRITE(numout,*) ' read clio flx ok' |
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| 319 | WRITE(numout,*) |
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| 320 | WRITE(numout,*) |
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| 321 | WRITE(numout,*) 'Clio month: ',nflx1,' field: dust' |
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| 322 | CALL prihre( dustmo(:,:,1),jpi,jpj,1,jpi,20,1,jpj,10,1e9,numout ) |
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| 323 | ENDIF |
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| 324 | |
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| 325 | ENDIF |
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| 326 | |
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| 327 | !! 3. at every time step interpolation of fluxes |
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| 328 | !! --------------------------------------------- |
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| 329 | !! |
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| 330 | zxy = FLOAT( nday + 15 - 30 * i15 ) / 30 |
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| 331 | dust(:,:) = ( (1.-zxy) * dustmo(:,:,1) + zxy * dustmo(:,:,2) ) |
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| 332 | |
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| 333 | IF( kt == nitend ) THEN |
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| 334 | CALL iom_close (numdust) |
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| 335 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: dust.orca.nc closed' |
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| 336 | ENDIF |
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| 337 | |
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| 338 | END SUBROUTINE trc_sed_medusa_sbc |
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| 339 | |
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| 340 | #else |
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| 341 | !!====================================================================== |
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| 342 | !! Dummy module : No MEDUSA bio-model |
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| 343 | !!====================================================================== |
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| 344 | CONTAINS |
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| 345 | SUBROUTINE trc_sed_medusa( kt ) ! Empty routine |
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| 346 | INTEGER, INTENT( in ) :: kt |
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| 347 | WRITE(*,*) 'trc_sed_medusa: You should not have seen this print! error?', kt |
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| 348 | END SUBROUTINE trc_sed_medusa |
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| 349 | #endif |
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| 350 | |
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| 351 | !!====================================================================== |
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| 352 | END MODULE trcsed_medusa |
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