[3] | 1 | !!---------------------------------------------------------------------- |
---|
| 2 | !! *** tau_forced_monthly.h90 *** |
---|
| 3 | !!---------------------------------------------------------------------- |
---|
| 4 | |
---|
| 5 | !!---------------------------------------------------------------------- |
---|
| 6 | !! tau : update the surface wind stress - monthly fields in NetCDF |
---|
| 7 | !! file. |
---|
| 8 | !!---------------------------------------------------------------------- |
---|
| 9 | !! * local modules variables |
---|
| 10 | INTEGER :: & |
---|
| 11 | numtau, & ! logical unit for the i-component of the wind data |
---|
| 12 | numtav, & ! logical unit for the j-component of the wind data |
---|
| 13 | ntau1, ntau2 ! index of the first and second record used |
---|
| 14 | |
---|
| 15 | CHARACTER (len=34) :: & !!! * monthly climatology/interanual fields |
---|
[389] | 16 | cl_taux, & ! generic name of the i-component monthly NetCDF file |
---|
| 17 | cl_tauy ! generic name of the j-component monthly NetCDF file |
---|
[3] | 18 | |
---|
| 19 | REAL(wp), DIMENSION(jpi,jpj,2) :: & |
---|
| 20 | taux_dta, & ! i- and j-components of the surface stress (Pascal) |
---|
| 21 | tauy_dta ! at 2 consecutive months in the (i,j) referential |
---|
| 22 | !!---------------------------------------------------------------------- |
---|
[247] | 23 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
---|
| 24 | !! $Header$ |
---|
| 25 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
---|
[3] | 26 | !!---------------------------------------------------------------------- |
---|
| 27 | |
---|
| 28 | CONTAINS |
---|
| 29 | |
---|
| 30 | SUBROUTINE tau( kt ) |
---|
| 31 | !!--------------------------------------------------------------------- |
---|
| 32 | !! *** ROUTINE tau *** |
---|
| 33 | !! |
---|
| 34 | !! ** Purpose : provide to the ocean the stress at each time step |
---|
| 35 | !! |
---|
| 36 | !! ** Method : - Read the 2 monthly surface stress components in NetCDF |
---|
| 37 | !! file at 2 consecutive time-steps |
---|
| 38 | !! They are given in the (i,j) referential |
---|
| 39 | !! The i-component is given at U-point (INTERP package) |
---|
| 40 | !! The j-component is given at V-point (INTERP package) |
---|
| 41 | !! - a linear time-interpolation is performed to provide the |
---|
| 42 | !! stress at the kt time-step. |
---|
| 43 | !! |
---|
| 44 | !! CAUTION: never mask the surface stress field ! |
---|
| 45 | !! |
---|
| 46 | !! ** Action : |
---|
| 47 | !! update at each time-step the two components of the surface |
---|
| 48 | !! stress in both (i,j) and geographical referencial |
---|
| 49 | !! |
---|
| 50 | !! History : |
---|
| 51 | !! 4.0 ! 91-03 (G. Madec) Original code |
---|
| 52 | !! 6.0 ! 92-07 (M. Imbard) |
---|
| 53 | !! 8.1 ! 00-08 (D. Ludicone) adapted to ERS-NCEP |
---|
| 54 | !! 8.5 ! 02-11 (G. Madec) F90: Free form and module |
---|
| 55 | !! ! daily/monthly, forced/coupled form |
---|
| 56 | !!---------------------------------------------------------------------- |
---|
| 57 | !! * Modules used |
---|
| 58 | USE ioipsl ! NetCDF library |
---|
| 59 | !! * Arguments |
---|
| 60 | INTEGER, INTENT( in ) :: kt ! ocean time step |
---|
| 61 | |
---|
| 62 | !! * Local declarations |
---|
| 63 | INTEGER, PARAMETER :: jpmonth = 12 |
---|
| 64 | INTEGER :: & |
---|
| 65 | imois, iman, itime, & |
---|
| 66 | i15, & |
---|
| 67 | ipi, ipj, ipk |
---|
| 68 | INTEGER, DIMENSION(jpmonth) :: istep |
---|
| 69 | REAL(wp) , DIMENSION(jpi,jpj):: & |
---|
| 70 | zlon , & |
---|
| 71 | zlat |
---|
| 72 | REAL(wp) , DIMENSION(jpk):: & |
---|
| 73 | zlev |
---|
| 74 | REAL(wp) :: & |
---|
| 75 | zsecond, & ! ??? |
---|
| 76 | zdate0, & ! ??? |
---|
| 77 | zxy ! coefficient of the linear time interpolation |
---|
| 78 | !!--------------------------------------------------------------------- |
---|
[389] | 79 | cl_taux = 'taux_1m.nc' |
---|
| 80 | cl_tauy = 'tauy_1m.nc' |
---|
[3] | 81 | |
---|
| 82 | ! -------------- ! |
---|
| 83 | ! Initialization ! |
---|
| 84 | ! -------------- ! |
---|
| 85 | |
---|
| 86 | ! iman=number of dates in data file (12 for a year of monthly values) |
---|
| 87 | iman = INT( raamo ) |
---|
[319] | 88 | itime = jpmonth |
---|
| 89 | ipi = jpiglo |
---|
| 90 | ipj = jpjglo |
---|
| 91 | ipk = jpk |
---|
[3] | 92 | |
---|
| 93 | i15 = INT( 2*FLOAT( nday ) / ( FLOAT( nobis(nmonth) ) + 0.5 ) ) |
---|
| 94 | |
---|
| 95 | imois = nmonth + i15 - 1 |
---|
| 96 | IF( imois == 0 ) imois = iman |
---|
| 97 | |
---|
| 98 | |
---|
| 99 | ! -------------------- ! |
---|
| 100 | ! First call kt=nit000 ! |
---|
| 101 | ! -------------------- ! |
---|
| 102 | |
---|
| 103 | IF( kt == nit000 ) THEN |
---|
| 104 | ntau1 = 0 |
---|
| 105 | IF(lwp) WRITE(numout,*) |
---|
| 106 | IF(lwp) WRITE(numout,*) ' tau : MONTHLY climatological wind stress (NetCDF files)' |
---|
| 107 | IF(lwp) WRITE(numout,*) ' ~~~ ' |
---|
| 108 | |
---|
| 109 | ! title, dimensions and tests |
---|
[389] | 110 | |
---|
[392] | 111 | #if defined key_agrif |
---|
[389] | 112 | if ( .NOT. Agrif_Root() ) then |
---|
| 113 | cl_taux = TRIM(Agrif_CFixed())//'_'//TRIM(cl_taux) |
---|
| 114 | endif |
---|
| 115 | #endif |
---|
[3] | 116 | |
---|
| 117 | CALL flinopen( cl_taux, mig(1), nlci, mjg(1), nlcj, & ! taux on U-grid |
---|
| 118 | .FALSE., ipi , ipj, ipk , & |
---|
| 119 | zlon , zlat , zlev , itime, & |
---|
| 120 | istep, zdate0, zsecond, numtau ) |
---|
| 121 | |
---|
| 122 | IF( itime /= jpmonth ) THEN |
---|
| 123 | IF(lwp) WRITE(numout,cform_err) |
---|
| 124 | IF(lwp) WRITE(numout,*) ' problem with time coordinates in file ', cl_taux |
---|
| 125 | IF(lwp) WRITE(numout,*) ' itime = ', itime,' jpmonth = ',jpmonth |
---|
| 126 | nstop = nstop + 1 |
---|
| 127 | ENDIF |
---|
| 128 | IF( ipi /= jpidta .AND. ipj /= jpjdta .AND. ipk /= 1 ) THEN |
---|
| 129 | IF(lwp) WRITE(numout,cform_err) |
---|
| 130 | IF(lwp) WRITE(numout,*) ' problem with size read in file ', cl_taux |
---|
| 131 | IF(lwp) WRITE(numout,*) ' ipi = ',ipi,' jpidta = ',jpidta |
---|
| 132 | IF(lwp) WRITE(numout,*) ' ipj = ',ipj,' jpjdta = ',jpjdta |
---|
| 133 | IF(lwp) WRITE(numout,*) ' ipk = ',ipk,' must be 1' |
---|
| 134 | nstop = nstop + 1 |
---|
| 135 | ENDIF |
---|
[392] | 136 | #if defined key_agrif |
---|
[389] | 137 | if ( .NOT. Agrif_Root() ) then |
---|
| 138 | cl_tauy = TRIM(Agrif_CFixed())//'_'//TRIM(cl_tauy) |
---|
| 139 | endif |
---|
| 140 | #endif |
---|
[3] | 141 | CALL flinopen( cl_tauy, mig(1), nlci, mjg(1), nlcj, & ! tauy on V-grid |
---|
| 142 | .FALSE., ipi , ipj, ipk , & |
---|
| 143 | zlon , zlat , zlev , itime, & |
---|
| 144 | istep, zdate0, zsecond, numtav ) |
---|
| 145 | |
---|
| 146 | IF( itime /= jpmonth ) THEN |
---|
| 147 | IF(lwp) WRITE(numout,cform_err) |
---|
| 148 | IF(lwp) WRITE(numout,*) ' problem with time coordinates in file ', cl_tauy |
---|
| 149 | IF(lwp) WRITE(numout,*) ' itime = ', itime,' jpmonth = ',jpmonth |
---|
| 150 | nstop = nstop + 1 |
---|
| 151 | ENDIF |
---|
| 152 | IF( ipi /= jpidta .AND. ipj /= jpjdta .AND. ipk /= 1) THEN |
---|
| 153 | IF(lwp) WRITE(numout,cform_err) |
---|
| 154 | IF(lwp) WRITE(numout,*) ' problem with size read in file ', cl_tauy |
---|
| 155 | IF(lwp) WRITE(numout,*) ' ipi = ',ipi,' jpidta = ',jpidta |
---|
| 156 | IF(lwp) WRITE(numout,*) ' ipj = ',ipj,' jpjdta = ',jpjdta |
---|
| 157 | IF(lwp) WRITE(numout,*) ' ipk = ',ipk,' must be 1' |
---|
| 158 | nstop = nstop + 1 |
---|
| 159 | ENDIF |
---|
| 160 | ENDIF |
---|
| 161 | |
---|
| 162 | ! ----------------- ! |
---|
| 163 | ! Read monthly file ! |
---|
| 164 | ! ----------------- ! |
---|
| 165 | |
---|
| 166 | IF( kt == nit000 .OR. imois /= ntau1 ) THEN |
---|
| 167 | |
---|
| 168 | ! Calendar computation |
---|
| 169 | ntau1 = imois ! index of the first record |
---|
| 170 | ntau2 = ntau1 + 1 ! index of the last record |
---|
| 171 | ntau1 = MOD( ntau1, iman ) |
---|
| 172 | IF( ntau1 == 0 ) ntau1 = iman |
---|
| 173 | ntau2 = MOD( ntau2, iman ) |
---|
| 174 | IF( ntau2 == 0 ) ntau2 = iman |
---|
| 175 | IF(lwp) WRITE(numout,*) 'first month used ntau1 = ', ntau1 |
---|
| 176 | IF(lwp) WRITE(numout,*) 'last month used ntau2 = ', ntau2 |
---|
| 177 | |
---|
| 178 | ! Read the corresponding 2 monthly stress data |
---|
| 179 | ! ntau1 |
---|
| 180 | CALL flinget( numtau,'sozotaux', & ! i-component at U-pt |
---|
| 181 | jpidta,jpjdta,1,jpmonth,ntau1, & |
---|
| 182 | ntau1,mig(1),nlci,mjg(1),nlcj,taux_dta(1:nlci,1:nlcj,1) ) |
---|
| 183 | CALL flinget( numtav,'sometauy', & ! j-component at V-pt |
---|
| 184 | jpidta,jpjdta,1,jpmonth,ntau1, & |
---|
| 185 | ntau1,mig(1),nlci,mjg(1),nlcj,tauy_dta(1:nlci,1:nlcj,1) ) |
---|
| 186 | ! ntau2 |
---|
| 187 | CALL flinget( numtau,'sozotaux', & ! i-component at U-pt |
---|
| 188 | jpidta,jpjdta,1,jpmonth,ntau2, & |
---|
| 189 | ntau2,mig(1),nlci,mjg(1),nlcj,taux_dta(1:nlci,1:nlcj,2) ) |
---|
| 190 | CALL flinget( numtav,'sometauy', & ! j-component at V-pt |
---|
| 191 | jpidta,jpjdta,1,jpmonth,ntau2, & |
---|
| 192 | ntau2,mig(1),nlci,mjg(1),nlcj,tauy_dta(1:nlci,1:nlcj,2) ) |
---|
| 193 | |
---|
| 194 | IF(lwp .AND. nitend-nit000 <= 100 ) THEN |
---|
| 195 | WRITE(numout,*) |
---|
| 196 | WRITE(numout,*) ' monthly stress read' |
---|
| 197 | WRITE(numout,*) |
---|
| 198 | WRITE(numout,*) ' month: ', ntau1, ' taux: 1 multiply by ', 1. |
---|
[389] | 199 | CALL prihre( taux_dta(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 10, 1., numout ) |
---|
[3] | 200 | WRITE(numout,*) |
---|
| 201 | WRITE(numout,*) ' month: ', ntau2, ' tauy: 2 multiply by ', 1. |
---|
[389] | 202 | CALL prihre( tauy_dta(:,:,2), jpi, jpj, 1, jpi, 20, 1, jpj, 10, 1., numout ) |
---|
[3] | 203 | ENDIF |
---|
| 204 | |
---|
| 205 | CALL FLUSH(numout) |
---|
| 206 | ENDIF |
---|
| 207 | |
---|
| 208 | ! ------------------------------- ! |
---|
| 209 | ! linear time interpolation at kt ! |
---|
| 210 | ! ------------------------------- ! |
---|
| 211 | |
---|
| 212 | ! zxy : coefficient for linear interpolation in time |
---|
| 213 | |
---|
| 214 | zxy = FLOAT( nday ) / FLOAT( nobis(ntau1) ) + 0.5 - i15 |
---|
| 215 | |
---|
| 216 | taux(:,:) = (1.-zxy) * taux_dta(:,:,1) + zxy * taux_dta(:,:,2) |
---|
| 217 | tauy(:,:) = (1.-zxy) * tauy_dta(:,:,1) + zxy * tauy_dta(:,:,2) |
---|
| 218 | |
---|
| 219 | ! Save components |
---|
| 220 | |
---|
| 221 | tauxg(:,:) = taux(:,:) |
---|
| 222 | tauyg(:,:) = tauy(:,:) |
---|
| 223 | |
---|
| 224 | CALL FLUSH(numout) |
---|
| 225 | |
---|
| 226 | ! ------------------- ! |
---|
| 227 | ! Last call kt=nitend ! |
---|
| 228 | ! ------------------- ! |
---|
| 229 | |
---|
| 230 | ! Closing of the 2 files (required in mpp) |
---|
| 231 | IF( kt == nitend ) THEN |
---|
| 232 | CALL flinclo(numtau) |
---|
| 233 | CALL flinclo(numtav) |
---|
| 234 | ENDIF |
---|
| 235 | |
---|
| 236 | END SUBROUTINE tau |
---|