[3] | 1 | MODULE diagap |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE diagap *** |
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| 4 | !! Ocean diagnostics : computation of model-data tracer gap |
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| 5 | !!====================================================================== |
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| 6 | #if defined key_diagap |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! 'key_diagap' : model-data gap diagnostics |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! dia_gap : model and data level mean temperature and salinity |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! * Modules used |
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| 13 | USE oce ! ocean dynamics and tracers |
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| 14 | USE dom_oce ! ocean space and time domain |
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| 15 | USE in_out_manager ! I/O manager |
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| 16 | USE dtatem ! ??? |
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| 17 | USE dtasal ! ??? |
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| 18 | USE daymod ! calendar |
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| 19 | USE dianam ! build name of file (routine) |
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| 20 | USE lib_mpp ! distributed memory computing library |
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| 21 | |
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| 22 | IMPLICIT NONE |
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[32] | 23 | PRIVATE |
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[3] | 24 | |
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[32] | 25 | !! * Routine accessibility |
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| 26 | PUBLIC dia_gap ! called in step.F90 module |
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| 27 | |
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[3] | 28 | !! * Shared module variables |
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[32] | 29 | LOGICAL, PUBLIC, PARAMETER :: lk_diagap = .TRUE. !: model-data diagnostics flag |
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[3] | 30 | |
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| 31 | !! * Module variables |
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| 32 | INTEGER :: & |
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| 33 | ngap , & ! time step frequency |
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| 34 | nprg ! switch for control print |
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| 35 | ! netcdf files and index common |
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| 36 | INTEGER :: & |
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| 37 | nhoridg, ndepidg, & |
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| 38 | ndex(1) |
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| 39 | REAL(wp) :: & |
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| 40 | vol ! total ocean volume |
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| 41 | REAL(wp), DIMENSION(jpk) :: & |
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| 42 | volk , volkr, & ! level ocean volume and its inverse |
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| 43 | tdtag, sdtag, & ! level mean data temperature & salinity |
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| 44 | tmodg, smodg ! level mean model temperature & salinity |
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| 45 | |
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| 46 | !! * Substitutions |
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| 47 | # include "domzgr_substitute.h90" |
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| 48 | !!---------------------------------------------------------------------- |
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[247] | 49 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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[1152] | 50 | !! $Id$ |
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[247] | 51 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[3] | 52 | !!---------------------------------------------------------------------- |
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| 53 | |
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| 54 | CONTAINS |
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| 55 | |
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| 56 | SUBROUTINE dia_gap( kt ) |
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| 57 | !!---------------------------------------------------------------------- |
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| 58 | !! *** ROUTINE dia_gap *** |
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| 59 | !! |
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| 60 | !! ** Purpose : Compute model and data level mean T and S profiles |
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| 61 | !! and output it in numgap (NetCDF or direct access file) |
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| 62 | !! |
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| 63 | !! ** Method : |
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| 64 | !! tracers (model) : tn, sn |
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| 65 | !! tracers (data) : t_dta, s_dta |
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| 66 | !! difference between model and data tracers |
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| 67 | !! variance between model and data tracers |
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| 68 | !! |
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| 69 | !! ** Action : output in file numgap |
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| 70 | !! |
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| 71 | !! History : |
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| 72 | !! 6.0 ! 91-10 (G. Madec) Original code |
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| 73 | !! 7.0 ! 92-07 (M. Imbard) Add variance and mpp staff |
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| 74 | !! 8.5 ! 02-07 (G. Madec) Free form, F90 |
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| 75 | !!---------------------------------------------------------------------- |
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| 76 | !! * Modules used |
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| 77 | USE ioipsl |
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[239] | 78 | |
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[3] | 79 | !! * Arguments |
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| 80 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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| 81 | |
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| 82 | !! * local declarations |
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| 83 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 84 | INTEGER :: it |
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| 85 | CHARACTER (len=40) :: clhstnam |
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| 86 | CHARACTER (len=40) :: clop |
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| 87 | REAL(wp) :: zbt, zdt ! temporary scalar |
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| 88 | REAL(wp) :: zsto, zout, zmax, zjulian |
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| 89 | REAL(wp), DIMENSION(jpi) :: zfoo |
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| 90 | REAL(wp), DIMENSION(jpj) :: zloo |
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| 91 | |
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| 92 | NAMELIST/namgap/ ngap, nprg |
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| 93 | !!---------------------------------------------------------------------- |
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| 94 | |
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| 95 | |
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| 96 | ! 0. initialization |
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| 97 | ! ----------------- |
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| 98 | |
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| 99 | zdt = rdt |
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| 100 | IF( nacc == 1 ) zdt = rdtmin |
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| 101 | |
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| 102 | IF( kt == nit000 ) THEN |
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| 103 | |
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| 104 | IF(lwp) WRITE(numout,*) |
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| 105 | IF(lwp) WRITE(numout,*) 'dia_gap : level mean model-data gap' |
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| 106 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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| 107 | |
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| 108 | ! Read diagap parameters in namelist namgap |
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| 109 | ngap = 15 |
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| 110 | nprg = 15 |
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| 111 | |
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| 112 | REWIND( numnam ) |
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| 113 | READ( numnam, namgap ) |
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| 114 | |
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| 115 | IF(lwp) WRITE(numout,*) ' time step frequency for gap ngap = ',ngap |
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| 116 | IF(lwp) WRITE(numout,*) ' switch for control print gap nprg = ',nprg |
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| 117 | |
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| 118 | ! horizontal slab volume (tmask_i to take into account only interior ocean domain) |
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| 119 | volk(:) = 0.e0 |
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| 120 | DO jk = 1, jpkm1 |
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| 121 | DO jj = 1, jpj |
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| 122 | DO ji = 1, jpi |
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| 123 | zbt = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) * tmask_i(ji,jj) |
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| 124 | volk(jk) = volk(jk) + tmask(ji,jj,jk) * zbt |
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| 125 | END DO |
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| 126 | END DO |
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| 127 | END DO |
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[32] | 128 | IF( lk_mpp ) CALL mpp_sum( volk, jpk ) ! sum over the global domain |
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| 129 | |
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[3] | 130 | volkr(:) = 0.e0 |
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| 131 | DO jk = 1, jpk |
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| 132 | IF( volk(jk) /= 0.e0 ) volkr(jk) = 1.e0 / volk(jk) |
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| 133 | END DO |
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| 134 | IF(lwp) THEN |
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| 135 | WRITE(numout,*) |
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| 136 | WRITE(numout,*) ' volume of each horizontal slab (km3) :' |
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| 137 | DO jk = 1, jpkm1 |
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| 138 | WRITE(numout,9010) jk, volk(jk) * 1.e-9 |
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| 139 | END DO |
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| 140 | ENDIF |
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| 141 | 9010 FORMAT( 9X, 'level ', i3, f15.3 ) |
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| 142 | |
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| 143 | ! basin volume |
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| 144 | vol = 0.e0 |
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| 145 | DO jk = 1, jpkm1 |
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| 146 | vol = vol + volk(jk) |
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| 147 | END DO |
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| 148 | IF(lwp) WRITE(numout,*) |
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| 149 | IF(lwp) WRITE(numout,*) ' basin volume : ',vol*1.e-9, ' km3' |
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| 150 | |
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| 151 | ! OPEN netcdf file |
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| 152 | |
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| 153 | ! Define frequency of output and means |
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| 154 | zsto = ngap * zdt |
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[1312] | 155 | IF( ln_mskland ) THEN ; clop = "ave(only(x))" ! put 1.e+20 on land (very expensive!!) |
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| 156 | ELSE ; clop = "ave(x)" ! no use of the mask value (require less cpu time) |
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| 157 | ENDIF |
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[3] | 158 | zout = ngap * zdt |
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| 159 | zmax = FLOAT( nitend - nit000 + 1 ) * zdt |
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| 160 | zfoo(1:jpi) = 0.e0 |
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| 161 | zloo(1:jpj) = 0.e0 |
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| 162 | |
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| 163 | ! Compute julian date from starting date of the run |
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| 164 | |
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[1310] | 165 | CALL ymds2ju( nyear, nmonth, nday, rdt, zjulian ) |
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| 166 | zjulian = zjulian - adatrj ! set calendar origin to the beginning of the experiment |
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[3] | 167 | |
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| 168 | CALL dia_nam( clhstnam, ngap, 'diagap' ) |
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| 169 | IF(lwp) WRITE(numout,*) 'Name of diagap NETCDF file ', clhstnam |
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| 170 | ! Horizontal grid : zphi() |
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| 171 | CALL histbeg( clhstnam, 1, zfoo, 1, zloo, & |
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[352] | 172 | 1, 1, 1, 1, 0, zjulian, zdt, nhoridg, numgap, domain_id=nidom ) |
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[3] | 173 | ! Vertical grids : gdept, gdepw |
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| 174 | CALL histvert( numgap, "deptht", "Vertical T levels", & |
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[460] | 175 | "m", jpk, gdept_0, ndepidg ) |
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[3] | 176 | |
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| 177 | ! define fields to be stored |
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| 178 | ! mo(temp/sali)(da/mo/va): mean ocean temperature/salinity data/model/differences |
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| 179 | |
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| 180 | CALL histdef( numgap, "motempda", "Mean Data Temperature","C", & |
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| 181 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
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| 182 | zsto,zout ) |
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| 183 | CALL histdef(numgap, "mosalida", "Mean Data Salinity","PSU", & |
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| 184 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
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| 185 | zsto,zout ) |
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| 186 | CALL histdef(numgap, "motempmo", "Mean Model Temperature","C", & |
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| 187 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
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| 188 | zsto,zout ) |
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| 189 | CALL histdef(numgap, "mosalimo", "Mean Model Salinity","PSU", & |
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| 190 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
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| 191 | zsto,zout ) |
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| 192 | CALL histend( numgap ) |
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| 193 | ndex(1) = 0 |
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| 194 | ENDIF |
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| 195 | |
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| 196 | |
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| 197 | ! 1. horizontal averaged |
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| 198 | ! ---------------------- |
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| 199 | |
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| 200 | IF( MOD( kt, ngap ) == 0 ) THEN |
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| 201 | |
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| 202 | ! initialization |
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| 203 | tdtag(:) = 0.e0 |
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| 204 | sdtag(:) = 0.e0 |
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| 205 | tmodg(:) = 0.e0 |
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| 206 | smodg(:) = 0.e0 |
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| 207 | |
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| 208 | ! c a u t i o n : use of tmask_i : average over the interior domain only |
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| 209 | |
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| 210 | ! sum |
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| 211 | DO jk = 1, jpkm1 |
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| 212 | DO jj = 1, jpj |
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| 213 | DO ji = 1, jpi |
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| 214 | zbt = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) * tmask_i(ji,jj) |
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| 215 | tdtag(jk) = tdtag(jk) + zbt * t_dta(ji,jj,jk) * volkr(jk) |
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| 216 | sdtag(jk) = sdtag(jk) + zbt * s_dta(ji,jj,jk) * volkr(jk) |
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| 217 | tmodg(jk) = tmodg(jk) + zbt * tn (ji,jj,jk) * volkr(jk) |
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| 218 | smodg(jk) = smodg(jk) + zbt * sn (ji,jj,jk) * volkr(jk) |
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| 219 | END DO |
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| 220 | END DO |
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| 221 | END DO |
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| 222 | |
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| 223 | |
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| 224 | ! 2. Basin averaged |
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| 225 | ! ----------------- |
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| 226 | |
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| 227 | DO jk = 1, jpkm1 |
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| 228 | tdtag(jpk) = tdtag(jpk) + tdtag(jk) * volk(jk) / vol |
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| 229 | sdtag(jpk) = sdtag(jpk) + sdtag(jk) * volk(jk) / vol |
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| 230 | tmodg(jpk) = tmodg(jpk) + tmodg(jk) * volk(jk) / vol |
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| 231 | smodg(jpk) = smodg(jpk) + smodg(jk) * volk(jk) / vol |
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| 232 | END DO |
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[32] | 233 | IF( lk_mpp) CALL mpp_sum( tdtag, jpk ) ! sum over the global domain |
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| 234 | IF( lk_mpp) CALL mpp_sum( sdtag, jpk ) |
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| 235 | IF( lk_mpp) CALL mpp_sum( tmodg, jpk ) |
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| 236 | IF( lk_mpp) CALL mpp_sum( smodg, jpk ) |
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[3] | 237 | |
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| 238 | ! 3. Averaged output in file numgap |
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| 239 | ! ----------------------------====== |
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| 240 | |
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| 241 | IF( MOD( kt, nprg ) == 0 ) THEN |
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| 242 | IF(lwp) THEN |
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| 243 | WRITE(numout,*) 'dia_gap: time step = ', kt, 'model - data' |
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| 244 | WRITE(numout,9300) |
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| 245 | |
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| 246 | DO jk = 1, jpk |
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| 247 | WRITE(numout,9310) tdtag(jk), tmodg(jk), tdtag(jk) - tmodg(jk), jk, fsdept(1,1,jk), & |
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| 248 | sdtag(jk), smodg(jk), sdtag(jk) - smodg(jk) |
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| 249 | END DO |
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| 250 | ENDIF |
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| 251 | ENDIF |
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| 252 | |
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| 253 | 9300 FORMAT(' T-data T-model diff. level depth S-data S-model diff.' ) |
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| 254 | 9310 FORMAT( 3(f8.3,1x),i5,f9.0,2x,3(f8.3,1x) ) |
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| 255 | |
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| 256 | ! Output in file numgap |
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| 257 | |
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| 258 | ! Netcdf write |
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| 259 | |
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| 260 | IF (lwp ) THEN ! Ok even in mpp after the call to mpp_sum |
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| 261 | it = kt - nit000 + 1 ! define time axis |
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| 262 | CALL histwrite( numgap, "motempda", it, tdtag, jpk, ndex ) |
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| 263 | CALL histwrite( numgap, "mosalida", it, sdtag, jpk, ndex ) |
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| 264 | CALL histwrite( numgap, "motempmo", it, tmodg, jpk, ndex ) |
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| 265 | CALL histwrite( numgap, "mosalimo", it, smodg, jpk, ndex ) |
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| 266 | END IF |
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| 267 | ENDIF |
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| 268 | |
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| 269 | ! Closing numgap file |
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| 270 | |
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| 271 | IF( kt == nitend ) THEN |
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[239] | 272 | CALL histclo( numgap ) ! Netcdf file |
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[3] | 273 | ENDIF |
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| 274 | |
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| 275 | END SUBROUTINE dia_gap |
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| 276 | |
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| 277 | #else |
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| 278 | !!---------------------------------------------------------------------- |
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[32] | 279 | !! Default option : Dummy module |
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[3] | 280 | !!---------------------------------------------------------------------- |
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[32] | 281 | LOGICAL, PUBLIC, PARAMETER :: lk_diagap = .FALSE. !: diagap flag |
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[3] | 282 | CONTAINS |
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[32] | 283 | SUBROUTINE dia_gap( kt ) ! Dummy routine |
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| 284 | WRITE(*,*) 'dia_gap: You should not have seen this print! error?', kt |
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[3] | 285 | END SUBROUTINE dia_gap |
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| 286 | #endif |
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| 287 | |
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| 288 | !!====================================================================== |
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| 289 | END MODULE diagap |
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