[1457] | 1 | MODULE trcstp |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcstp *** |
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| 4 | !! Time-stepping : time loop of opa for passive tracer |
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| 5 | !!====================================================================== |
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[2528] | 6 | !! History : 1.0 ! 2004-03 (C. Ethe) Original |
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| 7 | !!---------------------------------------------------------------------- |
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[1457] | 8 | #if defined key_top |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! trc_stp : passive tracer system time-stepping |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | USE oce_trc ! ocean dynamics and active tracers variables |
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[2528] | 13 | USE trc |
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[1457] | 14 | USE trctrp ! passive tracers transport |
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| 15 | USE trcsms ! passive tracers sources and sinks |
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| 16 | USE prtctl_trc ! Print control for debbuging |
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| 17 | USE trcdia |
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[5105] | 18 | USE trcwri , ONLY : trc_wri |
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[1457] | 19 | USE trcrst |
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[4990] | 20 | USE trdtrc_oce |
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| 21 | USE trdmxl_trc |
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[7256] | 22 | USE iom, ONLY : lk_iomput , iom_close, iom_varid, jpdom_autoglo, iom_get, iom_rstput |
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[1457] | 23 | USE in_out_manager |
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[3294] | 24 | USE trcsub |
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[6101] | 25 | USE dom_oce, ONLY : nday, nmonth, nyear, nsec1jan000, nsec_year |
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| 26 | !USE sbc_oce |
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[1457] | 27 | |
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| 28 | IMPLICIT NONE |
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| 29 | PRIVATE |
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| 30 | |
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[2528] | 31 | PUBLIC trc_stp ! called by step |
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[3294] | 32 | |
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[5602] | 33 | REAL(wp), DIMENSION(:,:,:), SAVE, ALLOCATABLE :: qsr_arr ! save qsr during TOP time-step |
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| 34 | REAL(wp) :: rdt_sampl |
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[7256] | 35 | INTEGER :: nb_rec_per_day |
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| 36 | REAL(wp) :: rsecfst, rseclast |
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[5602] | 37 | LOGICAL :: llnew |
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| 38 | |
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[3294] | 39 | !! * Substitutions |
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| 40 | # include "domzgr_substitute.h90" |
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[1457] | 41 | !!---------------------------------------------------------------------- |
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[2528] | 42 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 43 | !! $Id$ |
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| 44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1457] | 45 | !!---------------------------------------------------------------------- |
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| 46 | CONTAINS |
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| 47 | |
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| 48 | SUBROUTINE trc_stp( kt ) |
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| 49 | !!------------------------------------------------------------------- |
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| 50 | !! *** ROUTINE trc_stp *** |
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| 51 | !! |
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| 52 | !! ** Purpose : Time loop of opa for passive tracer |
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| 53 | !! |
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| 54 | !! ** Method : |
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| 55 | !! Compute the passive tracers trends |
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| 56 | !! Update the passive tracers |
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| 57 | !!------------------------------------------------------------------- |
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[3294] | 58 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 59 | INTEGER :: jk, jn ! dummy loop indices |
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| 60 | REAL(wp) :: ztrai |
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[4306] | 61 | CHARACTER (len=25) :: charout |
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[2528] | 62 | !!------------------------------------------------------------------- |
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[3294] | 63 | ! |
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| 64 | IF( nn_timing == 1 ) CALL timing_start('trc_stp') |
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| 65 | ! |
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[4990] | 66 | IF( kt == nittrc000 .AND. lk_trdmxl_trc ) CALL trd_mxl_trc_init ! trends: Mixed-layer |
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[3294] | 67 | ! |
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[3319] | 68 | IF( lk_vvl ) THEN ! update ocean volume due to ssh temporal evolution |
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[3294] | 69 | DO jk = 1, jpk |
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| 70 | cvol(:,:,jk) = e1e2t(:,:) * fse3t(:,:,jk) * tmask(:,:,jk) |
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| 71 | END DO |
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[5601] | 72 | !cbr IF( lk_degrad ) cvol(:,:,:) = cvol(:,:,:) * facvol(:,:,:) ! degrad option: reduction by facvol |
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[3294] | 73 | areatot = glob_sum( cvol(:,:,:) ) |
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| 74 | ENDIF |
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[5602] | 75 | ! |
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| 76 | IF( l_trcdm2dc ) CALL trc_mean_qsr( kt ) |
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[3294] | 77 | ! |
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[7332] | 78 | IF( nn_dttrc /= 1 ) CALL trc_sub_stp( kt ) ! averaging physical variables for sub-stepping |
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[4306] | 79 | ! |
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| 80 | IF( MOD( kt , nn_dttrc ) == 0 ) THEN ! only every nn_dttrc time step |
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[2528] | 81 | ! |
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| 82 | IF(ln_ctl) THEN |
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| 83 | WRITE(charout,FMT="('kt =', I4,' d/m/y =',I2,I2,I4)") kt, nday, nmonth, nyear |
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| 84 | CALL prt_ctl_trc_info(charout) |
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| 85 | ENDIF |
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| 86 | ! |
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| 87 | tra(:,:,:,:) = 0.e0 |
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| 88 | ! |
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[3294] | 89 | CALL trc_rst_opn ( kt ) ! Open tracer restart file |
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[3680] | 90 | IF( lrst_trc ) CALL trc_rst_cal ( kt, 'WRITE' ) ! calendar |
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[3294] | 91 | IF( lk_iomput ) THEN ; CALL trc_wri ( kt ) ! output of passive tracers with iom I/O manager |
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| 92 | ELSE ; CALL trc_dia ( kt ) ! output of passive tracers with old I/O manager |
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[2528] | 93 | ENDIF |
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[3294] | 94 | CALL trc_sms ( kt ) ! tracers: sinks and sources |
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| 95 | CALL trc_trp ( kt ) ! transport of passive tracers |
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[7256] | 96 | |
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[4147] | 97 | IF( kt == nittrc000 ) THEN |
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| 98 | CALL iom_close( numrtr ) ! close input tracer restart file |
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[4624] | 99 | IF(lwm) CALL FLUSH( numont ) ! flush namelist output |
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[4147] | 100 | ENDIF |
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[3294] | 101 | IF( lrst_trc ) CALL trc_rst_wri ( kt ) ! write tracer restart file |
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[4990] | 102 | IF( lk_trdmxl_trc ) CALL trd_mxl_trc ( kt ) ! trends: Mixed-layer |
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[2528] | 103 | ! |
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[7332] | 104 | IF( nn_dttrc /= 1 ) CALL trc_sub_reset( kt ) ! resetting physical variables when sub-stepping |
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[3294] | 105 | ! |
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[1457] | 106 | ENDIF |
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[3294] | 107 | ! |
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[7256] | 108 | |
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[3294] | 109 | ztrai = 0._wp ! content of all tracers |
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| 110 | DO jn = 1, jptra |
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| 111 | ztrai = ztrai + glob_sum( trn(:,:,:,jn) * cvol(:,:,:) ) |
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| 112 | END DO |
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| 113 | IF( lwp ) WRITE(numstr,9300) kt, ztrai / areatot |
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[7256] | 114 | 9300 FORMAT(i10,D23.16) |
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[3294] | 115 | ! |
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| 116 | IF( nn_timing == 1 ) CALL timing_stop('trc_stp') |
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| 117 | ! |
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[1457] | 118 | END SUBROUTINE trc_stp |
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| 119 | |
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[5602] | 120 | SUBROUTINE trc_mean_qsr( kt ) |
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| 121 | !!---------------------------------------------------------------------- |
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| 122 | !! *** ROUTINE trc_mean_qsr *** |
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| 123 | !! |
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| 124 | !! ** Purpose : Compute daily mean qsr for biogeochemical model in case |
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| 125 | !! of diurnal cycle |
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| 126 | !! |
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[7256] | 127 | !! ** Method : store in TOP the qsr every hour ( or every time-step if the latter |
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[5602] | 128 | !! is greater than 1 hour ) and then, compute the mean with |
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| 129 | !! a moving average over 24 hours. |
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| 130 | !! In coupled mode, the sampling is done at every coupling frequency |
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| 131 | !!---------------------------------------------------------------------- |
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| 132 | INTEGER, INTENT(in) :: kt |
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| 133 | INTEGER :: jn |
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[7256] | 134 | REAL(wp) :: zkt |
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| 135 | CHARACTER(len=1) :: cl1 ! 1 character |
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| 136 | CHARACTER(len=2) :: cl2 ! 2 characters |
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[5602] | 137 | |
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[7222] | 138 | IF( kt == nit000 ) THEN |
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[5602] | 139 | IF( ln_cpl ) THEN |
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[7256] | 140 | rdt_sampl = rday / ncpl_qsr_freq |
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| 141 | nb_rec_per_day = ncpl_qsr_freq |
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[5602] | 142 | ELSE |
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[7256] | 143 | rdt_sampl = MAX( 3600., rdttrc(1) ) |
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| 144 | nb_rec_per_day = INT( rday / rdt_sampl ) |
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[5602] | 145 | ENDIF |
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| 146 | ! |
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| 147 | IF( lwp ) THEN |
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| 148 | WRITE(numout,*) |
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[7256] | 149 | WRITE(numout,*) ' Sampling frequency dt = ', rdt_sampl, 's',' Number of sampling per day nrec = ', nb_rec_per_day |
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[5602] | 150 | WRITE(numout,*) |
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| 151 | ENDIF |
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| 152 | ! |
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[7256] | 153 | ALLOCATE( qsr_arr(jpi,jpj,nb_rec_per_day ) ) |
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[5602] | 154 | ! |
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[7256] | 155 | ! !* Restart: read in restart file |
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| 156 | IF( ln_rsttr .AND. iom_varid( numrtr, 'qsr_mean' , ldstop = .FALSE. ) > 0 .AND. & |
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| 157 | iom_varid( numrtr, 'qsr_arr_1', ldstop = .FALSE. ) > 0 .AND. & |
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| 158 | iom_varid( numrtr, 'ktdcy' , ldstop = .FALSE. ) > 0 ) THEN |
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| 159 | CALL iom_get( numrtr, 'ktdcy', zkt ) ! A mean of qsr |
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| 160 | rsecfst = INT( zkt ) * rdttrc(1) |
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| 161 | IF(lwp) WRITE(numout,*) 'trc_qsr_mean: qsr_mean read in the restart file at time-step rsecfst =', rsecfst, ' s ' |
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| 162 | CALL iom_get( numrtr, jpdom_autoglo, 'qsr_mean', qsr_mean ) ! A mean of qsr |
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| 163 | DO jn = 1, nb_rec_per_day |
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| 164 | IF( jn <= 9 ) THEN |
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| 165 | WRITE(cl1,'(i1)') jn |
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| 166 | CALL iom_get( numrtr, jpdom_autoglo, 'qsr_arr_'//cl1, qsr_arr(:,:,jn) ) ! A mean of qsr |
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| 167 | ELSE |
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| 168 | WRITE(cl2,'(i2.2)') jn |
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| 169 | CALL iom_get( numrtr, jpdom_autoglo, 'qsr_arr_'//cl2, qsr_arr(:,:,jn) ) ! A mean of qsr |
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| 170 | ENDIF |
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| 171 | ENDDO |
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| 172 | ELSE !* no restart: set from nit000 values |
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| 173 | IF(lwp) WRITE(numout,*) 'trc_qsr_mean: qsr_mean set to nit000 values' |
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| 174 | rsecfst = kt * rdttrc(1) |
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| 175 | ! |
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| 176 | qsr_mean(:,:) = qsr(:,:) |
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| 177 | DO jn = 1, nb_rec_per_day |
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| 178 | qsr_arr(:,:,jn) = qsr_mean(:,:) |
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| 179 | ENDDO |
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| 180 | ENDIF |
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[5602] | 181 | ! |
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| 182 | ENDIF |
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| 183 | ! |
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[7256] | 184 | rseclast = kt * rdttrc(1) |
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| 185 | ! |
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| 186 | llnew = ( rseclast - rsecfst ) .ge. rdt_sampl ! new shortwave to store |
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| 187 | IF( llnew ) THEN |
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[5602] | 188 | IF( lwp ) WRITE(numout,*) ' New shortwave to sample for TOP at time kt = ', kt, & |
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[7256] | 189 | & ' time = ', rseclast/3600.,'hours ' |
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| 190 | rsecfst = rseclast |
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| 191 | DO jn = 1, nb_rec_per_day - 1 |
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[5602] | 192 | qsr_arr(:,:,jn) = qsr_arr(:,:,jn+1) |
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| 193 | ENDDO |
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[7256] | 194 | qsr_arr (:,:,nb_rec_per_day) = qsr(:,:) |
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| 195 | qsr_mean(:,: ) = SUM( qsr_arr(:,:,:), 3 ) / nb_rec_per_day |
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[5602] | 196 | ENDIF |
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| 197 | ! |
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[7256] | 198 | IF( lrst_trc ) THEN !* Write the mean of qsr in restart file |
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| 199 | IF(lwp) WRITE(numout,*) |
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| 200 | IF(lwp) WRITE(numout,*) 'trc_mean_qsr : write qsr_mean in restart file kt =', kt |
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| 201 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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| 202 | zkt = REAL( kt, wp ) |
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| 203 | CALL iom_rstput( kt, nitrst, numrtw, 'ktdcy', zkt ) |
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| 204 | DO jn = 1, nb_rec_per_day |
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| 205 | IF( jn <= 9 ) THEN |
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| 206 | WRITE(cl1,'(i1)') jn |
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| 207 | CALL iom_rstput( kt, nitrst, numrtw, 'qsr_arr_'//cl1, qsr_arr(:,:,jn) ) |
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| 208 | ELSE |
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| 209 | WRITE(cl2,'(i2.2)') jn |
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| 210 | CALL iom_rstput( kt, nitrst, numrtw, 'qsr_arr_'//cl2, qsr_arr(:,:,jn) ) |
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| 211 | ENDIF |
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| 212 | ENDDO |
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| 213 | CALL iom_rstput( kt, nitrst, numrtw, 'qsr_mean', qsr_mean(:,:) ) |
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| 214 | ENDIF |
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| 215 | ! |
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[5602] | 216 | END SUBROUTINE trc_mean_qsr |
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| 217 | |
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[1457] | 218 | #else |
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| 219 | !!---------------------------------------------------------------------- |
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| 220 | !! Default key NO passive tracers |
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| 221 | !!---------------------------------------------------------------------- |
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| 222 | CONTAINS |
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| 223 | SUBROUTINE trc_stp( kt ) ! Empty routine |
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| 224 | WRITE(*,*) 'trc_stp: You should not have seen this print! error?', kt |
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| 225 | END SUBROUTINE trc_stp |
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| 226 | #endif |
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| 227 | |
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| 228 | !!====================================================================== |
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| 229 | END MODULE trcstp |
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