[3] | 1 | MODULE diagap |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE diagap *** |
---|
| 4 | !! Ocean diagnostics : computation of model-data tracer gap |
---|
| 5 | !!====================================================================== |
---|
[1601] | 6 | !! History : OPA ! 1991-10 (G. Madec) Original code |
---|
| 7 | !! 7.0 ! 1992-07 (M. Imbard) Add variance and mpp staff |
---|
| 8 | !! NEMO 1.0 ! 2002-07 (G. Madec) Free form, F90 |
---|
| 9 | !!---------------------------------------------------------------------- |
---|
[3] | 10 | #if defined key_diagap |
---|
| 11 | !!---------------------------------------------------------------------- |
---|
| 12 | !! 'key_diagap' : model-data gap diagnostics |
---|
| 13 | !!---------------------------------------------------------------------- |
---|
| 14 | !! dia_gap : model and data level mean temperature and salinity |
---|
| 15 | !!---------------------------------------------------------------------- |
---|
| 16 | USE oce ! ocean dynamics and tracers |
---|
| 17 | USE dom_oce ! ocean space and time domain |
---|
| 18 | USE in_out_manager ! I/O manager |
---|
| 19 | USE dtatem ! ??? |
---|
| 20 | USE dtasal ! ??? |
---|
| 21 | USE daymod ! calendar |
---|
| 22 | USE dianam ! build name of file (routine) |
---|
| 23 | USE lib_mpp ! distributed memory computing library |
---|
| 24 | |
---|
| 25 | IMPLICIT NONE |
---|
[32] | 26 | PRIVATE |
---|
[3] | 27 | |
---|
[1601] | 28 | PUBLIC dia_gap ! called in step.F90 module |
---|
[32] | 29 | |
---|
| 30 | LOGICAL, PUBLIC, PARAMETER :: lk_diagap = .TRUE. !: model-data diagnostics flag |
---|
[3] | 31 | |
---|
[1601] | 32 | ! !!* Namelist namgap : model-data gap |
---|
| 33 | INTEGER :: nn_gap = 15 ! time step frequency |
---|
| 34 | INTEGER :: nn_prg = 15 ! switch for control print |
---|
[3] | 35 | |
---|
[1601] | 36 | INTEGER :: nhoridg, ndepidg, ndex(1) ! netcdf files and index common |
---|
| 37 | |
---|
| 38 | REAL(wp) :: vol ! total ocean volume |
---|
| 39 | |
---|
| 40 | REAL(wp), DIMENSION(jpk) :: volk , volkr ! level ocean volume and its inverse |
---|
| 41 | REAL(wp), DIMENSION(jpk) :: tdtag, sdtag ! level mean data temperature & salinity |
---|
| 42 | REAL(wp), DIMENSION(jpk) :: tmodg, smodg ! level mean model temperature & salinity |
---|
| 43 | |
---|
[3] | 44 | !! * Substitutions |
---|
| 45 | # include "domzgr_substitute.h90" |
---|
| 46 | !!---------------------------------------------------------------------- |
---|
[1601] | 47 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) |
---|
[1152] | 48 | !! $Id$ |
---|
[1601] | 49 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
---|
[3] | 50 | !!---------------------------------------------------------------------- |
---|
| 51 | |
---|
| 52 | CONTAINS |
---|
| 53 | |
---|
| 54 | SUBROUTINE dia_gap( kt ) |
---|
| 55 | !!---------------------------------------------------------------------- |
---|
| 56 | !! *** ROUTINE dia_gap *** |
---|
| 57 | !! |
---|
| 58 | !! ** Purpose : Compute model and data level mean T and S profiles |
---|
[1601] | 59 | !! and output it in numgap (NetCDF or direct access file) |
---|
[3] | 60 | !! |
---|
[1601] | 61 | !! ** Method : tracers (model) : tn, sn |
---|
| 62 | !! tracers (data) : t_dta, s_dta |
---|
| 63 | !! difference between model and data tracers |
---|
| 64 | !! variance between model and data tracers |
---|
[3] | 65 | !! |
---|
| 66 | !! ** Action : output in file numgap |
---|
| 67 | !!---------------------------------------------------------------------- |
---|
| 68 | USE ioipsl |
---|
[1601] | 69 | !! |
---|
[3] | 70 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
---|
[1601] | 71 | !! |
---|
[3] | 72 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[1334] | 73 | INTEGER :: it, itmod ! time step indices |
---|
[3] | 74 | CHARACTER (len=40) :: clhstnam |
---|
| 75 | CHARACTER (len=40) :: clop |
---|
| 76 | REAL(wp) :: zbt, zdt ! temporary scalar |
---|
| 77 | REAL(wp) :: zsto, zout, zmax, zjulian |
---|
| 78 | REAL(wp), DIMENSION(jpi) :: zfoo |
---|
| 79 | REAL(wp), DIMENSION(jpj) :: zloo |
---|
[1601] | 80 | !! |
---|
| 81 | NAMELIST/namgap/ nn_gap, nn_prg |
---|
[3] | 82 | !!---------------------------------------------------------------------- |
---|
| 83 | |
---|
| 84 | ! 0. initialization |
---|
| 85 | ! ----------------- |
---|
| 86 | zdt = rdt |
---|
| 87 | IF( nacc == 1 ) zdt = rdtmin |
---|
| 88 | |
---|
| 89 | IF( kt == nit000 ) THEN |
---|
| 90 | IF(lwp) WRITE(numout,*) |
---|
| 91 | IF(lwp) WRITE(numout,*) 'dia_gap : level mean model-data gap' |
---|
| 92 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
---|
| 93 | |
---|
[1601] | 94 | REWIND( numnam ) ! Read diagap parameters in namelist namgap |
---|
[3] | 95 | READ( numnam, namgap ) |
---|
| 96 | |
---|
[1601] | 97 | IF(lwp) WRITE(numout,*) ' time step frequency for gap nn_gap = ',nn_gap |
---|
| 98 | IF(lwp) WRITE(numout,*) ' switch for control print gap nn_prg = ',nn_prg |
---|
[3] | 99 | |
---|
| 100 | ! horizontal slab volume (tmask_i to take into account only interior ocean domain) |
---|
| 101 | volk(:) = 0.e0 |
---|
| 102 | DO jk = 1, jpkm1 |
---|
| 103 | DO jj = 1, jpj |
---|
| 104 | DO ji = 1, jpi |
---|
| 105 | zbt = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) * tmask_i(ji,jj) |
---|
| 106 | volk(jk) = volk(jk) + tmask(ji,jj,jk) * zbt |
---|
| 107 | END DO |
---|
| 108 | END DO |
---|
| 109 | END DO |
---|
[32] | 110 | IF( lk_mpp ) CALL mpp_sum( volk, jpk ) ! sum over the global domain |
---|
| 111 | |
---|
[3] | 112 | volkr(:) = 0.e0 |
---|
| 113 | DO jk = 1, jpk |
---|
| 114 | IF( volk(jk) /= 0.e0 ) volkr(jk) = 1.e0 / volk(jk) |
---|
| 115 | END DO |
---|
| 116 | IF(lwp) THEN |
---|
| 117 | WRITE(numout,*) |
---|
| 118 | WRITE(numout,*) ' volume of each horizontal slab (km3) :' |
---|
| 119 | DO jk = 1, jpkm1 |
---|
| 120 | WRITE(numout,9010) jk, volk(jk) * 1.e-9 |
---|
| 121 | END DO |
---|
| 122 | ENDIF |
---|
| 123 | 9010 FORMAT( 9X, 'level ', i3, f15.3 ) |
---|
| 124 | |
---|
| 125 | ! basin volume |
---|
| 126 | vol = 0.e0 |
---|
| 127 | DO jk = 1, jpkm1 |
---|
| 128 | vol = vol + volk(jk) |
---|
| 129 | END DO |
---|
| 130 | IF(lwp) WRITE(numout,*) |
---|
| 131 | IF(lwp) WRITE(numout,*) ' basin volume : ',vol*1.e-9, ' km3' |
---|
| 132 | |
---|
| 133 | ! OPEN netcdf file |
---|
| 134 | |
---|
| 135 | ! Define frequency of output and means |
---|
[1601] | 136 | zsto = nn_gap * zdt |
---|
[1312] | 137 | IF( ln_mskland ) THEN ; clop = "ave(only(x))" ! put 1.e+20 on land (very expensive!!) |
---|
| 138 | ELSE ; clop = "ave(x)" ! no use of the mask value (require less cpu time) |
---|
| 139 | ENDIF |
---|
[1601] | 140 | zout = nn_gap * zdt |
---|
[3] | 141 | zmax = FLOAT( nitend - nit000 + 1 ) * zdt |
---|
| 142 | zfoo(1:jpi) = 0.e0 |
---|
| 143 | zloo(1:jpj) = 0.e0 |
---|
| 144 | |
---|
| 145 | ! Compute julian date from starting date of the run |
---|
| 146 | |
---|
[1310] | 147 | CALL ymds2ju( nyear, nmonth, nday, rdt, zjulian ) |
---|
| 148 | zjulian = zjulian - adatrj ! set calendar origin to the beginning of the experiment |
---|
[3] | 149 | |
---|
[1601] | 150 | CALL dia_nam( clhstnam, nn_gap, 'diagap' ) |
---|
[3] | 151 | IF(lwp) WRITE(numout,*) 'Name of diagap NETCDF file ', clhstnam |
---|
| 152 | ! Horizontal grid : zphi() |
---|
| 153 | CALL histbeg( clhstnam, 1, zfoo, 1, zloo, & |
---|
[1334] | 154 | 1, 1, 1, 1, nit000-1, zjulian, zdt, nhoridg, numgap, domain_id=nidom ) |
---|
[3] | 155 | ! Vertical grids : gdept, gdepw |
---|
| 156 | CALL histvert( numgap, "deptht", "Vertical T levels", & |
---|
[1334] | 157 | "m", jpk, gdept_0, ndepidg, "down" ) |
---|
[3] | 158 | |
---|
| 159 | ! define fields to be stored |
---|
| 160 | ! mo(temp/sali)(da/mo/va): mean ocean temperature/salinity data/model/differences |
---|
| 161 | |
---|
| 162 | CALL histdef( numgap, "motempda", "Mean Data Temperature","C", & |
---|
| 163 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
---|
| 164 | zsto,zout ) |
---|
| 165 | CALL histdef(numgap, "mosalida", "Mean Data Salinity","PSU", & |
---|
| 166 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
---|
| 167 | zsto,zout ) |
---|
| 168 | CALL histdef(numgap, "motempmo", "Mean Model Temperature","C", & |
---|
| 169 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
---|
| 170 | zsto,zout ) |
---|
| 171 | CALL histdef(numgap, "mosalimo", "Mean Model Salinity","PSU", & |
---|
| 172 | 1, 1, nhoridg, jpk, 1, jpk, ndepidg, 32, clop, & |
---|
| 173 | zsto,zout ) |
---|
| 174 | CALL histend( numgap ) |
---|
| 175 | ndex(1) = 0 |
---|
| 176 | ENDIF |
---|
| 177 | |
---|
| 178 | |
---|
| 179 | ! 1. horizontal averaged |
---|
| 180 | ! ---------------------- |
---|
| 181 | |
---|
[1334] | 182 | itmod = kt - nit000 + 1 ! define time axis |
---|
| 183 | it = kt |
---|
[1601] | 184 | IF( MOD( itmod, nn_gap ) == 0 ) THEN |
---|
[3] | 185 | |
---|
| 186 | ! initialization |
---|
| 187 | tdtag(:) = 0.e0 |
---|
| 188 | sdtag(:) = 0.e0 |
---|
| 189 | tmodg(:) = 0.e0 |
---|
| 190 | smodg(:) = 0.e0 |
---|
| 191 | |
---|
| 192 | ! c a u t i o n : use of tmask_i : average over the interior domain only |
---|
| 193 | |
---|
| 194 | ! sum |
---|
| 195 | DO jk = 1, jpkm1 |
---|
| 196 | DO jj = 1, jpj |
---|
| 197 | DO ji = 1, jpi |
---|
| 198 | zbt = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) * tmask_i(ji,jj) |
---|
| 199 | tdtag(jk) = tdtag(jk) + zbt * t_dta(ji,jj,jk) * volkr(jk) |
---|
| 200 | sdtag(jk) = sdtag(jk) + zbt * s_dta(ji,jj,jk) * volkr(jk) |
---|
| 201 | tmodg(jk) = tmodg(jk) + zbt * tn (ji,jj,jk) * volkr(jk) |
---|
| 202 | smodg(jk) = smodg(jk) + zbt * sn (ji,jj,jk) * volkr(jk) |
---|
| 203 | END DO |
---|
| 204 | END DO |
---|
| 205 | END DO |
---|
| 206 | |
---|
| 207 | ! 2. Basin averaged |
---|
| 208 | ! ----------------- |
---|
| 209 | DO jk = 1, jpkm1 |
---|
| 210 | tdtag(jpk) = tdtag(jpk) + tdtag(jk) * volk(jk) / vol |
---|
| 211 | sdtag(jpk) = sdtag(jpk) + sdtag(jk) * volk(jk) / vol |
---|
| 212 | tmodg(jpk) = tmodg(jpk) + tmodg(jk) * volk(jk) / vol |
---|
| 213 | smodg(jpk) = smodg(jpk) + smodg(jk) * volk(jk) / vol |
---|
| 214 | END DO |
---|
[32] | 215 | IF( lk_mpp) CALL mpp_sum( tdtag, jpk ) ! sum over the global domain |
---|
| 216 | IF( lk_mpp) CALL mpp_sum( sdtag, jpk ) |
---|
| 217 | IF( lk_mpp) CALL mpp_sum( tmodg, jpk ) |
---|
| 218 | IF( lk_mpp) CALL mpp_sum( smodg, jpk ) |
---|
[3] | 219 | |
---|
| 220 | ! 3. Averaged output in file numgap |
---|
| 221 | ! ----------------------------====== |
---|
[1601] | 222 | IF( MOD( itmod, nn_prg ) == 0 ) THEN |
---|
[3] | 223 | IF(lwp) THEN |
---|
| 224 | WRITE(numout,*) 'dia_gap: time step = ', kt, 'model - data' |
---|
| 225 | WRITE(numout,9300) |
---|
| 226 | DO jk = 1, jpk |
---|
| 227 | WRITE(numout,9310) tdtag(jk), tmodg(jk), tdtag(jk) - tmodg(jk), jk, fsdept(1,1,jk), & |
---|
[1601] | 228 | & sdtag(jk), smodg(jk), sdtag(jk) - smodg(jk) |
---|
[3] | 229 | END DO |
---|
| 230 | ENDIF |
---|
| 231 | ENDIF |
---|
| 232 | |
---|
| 233 | 9300 FORMAT(' T-data T-model diff. level depth S-data S-model diff.' ) |
---|
| 234 | 9310 FORMAT( 3(f8.3,1x),i5,f9.0,2x,3(f8.3,1x) ) |
---|
| 235 | |
---|
| 236 | ! Output in file numgap |
---|
| 237 | |
---|
| 238 | ! Netcdf write |
---|
| 239 | |
---|
| 240 | IF (lwp ) THEN ! Ok even in mpp after the call to mpp_sum |
---|
| 241 | CALL histwrite( numgap, "motempda", it, tdtag, jpk, ndex ) |
---|
| 242 | CALL histwrite( numgap, "mosalida", it, sdtag, jpk, ndex ) |
---|
| 243 | CALL histwrite( numgap, "motempmo", it, tmodg, jpk, ndex ) |
---|
| 244 | CALL histwrite( numgap, "mosalimo", it, smodg, jpk, ndex ) |
---|
| 245 | END IF |
---|
| 246 | ENDIF |
---|
| 247 | |
---|
| 248 | ! Closing numgap file |
---|
| 249 | IF( kt == nitend ) THEN |
---|
[239] | 250 | CALL histclo( numgap ) ! Netcdf file |
---|
[3] | 251 | ENDIF |
---|
[1601] | 252 | ! |
---|
[3] | 253 | END SUBROUTINE dia_gap |
---|
| 254 | |
---|
| 255 | #else |
---|
| 256 | !!---------------------------------------------------------------------- |
---|
[32] | 257 | !! Default option : Dummy module |
---|
[3] | 258 | !!---------------------------------------------------------------------- |
---|
[32] | 259 | LOGICAL, PUBLIC, PARAMETER :: lk_diagap = .FALSE. !: diagap flag |
---|
[3] | 260 | CONTAINS |
---|
[32] | 261 | SUBROUTINE dia_gap( kt ) ! Dummy routine |
---|
| 262 | WRITE(*,*) 'dia_gap: You should not have seen this print! error?', kt |
---|
[3] | 263 | END SUBROUTINE dia_gap |
---|
| 264 | #endif |
---|
| 265 | |
---|
| 266 | !!====================================================================== |
---|
| 267 | END MODULE diagap |
---|