| 1 | MODULE opa |
|---|
| 2 | !!============================================================================== |
|---|
| 3 | !! *** MODULE opa *** |
|---|
| 4 | !! Ocean system : OPA ocean dynamics (including on-line tracers and sea-ice) |
|---|
| 5 | !!============================================================================== |
|---|
| 6 | |
|---|
| 7 | !!---------------------------------------------------------------------- |
|---|
| 8 | !! opa_model : solve ocean dynamics, tracer and/or sea-ice |
|---|
| 9 | !! opa_flg : initialisation of algorithm flag |
|---|
| 10 | !!---------------------------------------------------------------------- |
|---|
| 11 | !! * Modules used |
|---|
| 12 | USE cpl_oce ! ocean-atmosphere-sea ice coupled exchanges |
|---|
| 13 | USE dom_oce ! ocean space domain variables |
|---|
| 14 | USE oce ! dynamics and tracers variables |
|---|
| 15 | USE trdmod_oce ! ocean variables trends |
|---|
| 16 | USE daymod ! calendar |
|---|
| 17 | USE in_out_manager ! I/O manager |
|---|
| 18 | USE lib_mpp ! distributed memory computing |
|---|
| 19 | |
|---|
| 20 | USE domcfg ! domain configuration (dom_cfg routine) |
|---|
| 21 | USE mppini ! shared/distributed memory setting (mpp_init routine) |
|---|
| 22 | USE domain ! domain initialization (dom_init routine) |
|---|
| 23 | USE obc_par ! open boundary cond. parameters |
|---|
| 24 | USE obcini ! open boundary cond. initialization (obc_ini routine) |
|---|
| 25 | USE solver ! solver initialization (solver_init routine) |
|---|
| 26 | USE istate ! initial state setting (istate_init routine) |
|---|
| 27 | USE eosbn2 ! equation of state (eos bn2 routine) |
|---|
| 28 | USE zpshde ! partial step: hor. derivative (zps_hde routine) |
|---|
| 29 | |
|---|
| 30 | ! ocean physics |
|---|
| 31 | USE traqsr ! solar radiation penetration (tra_qsr_init routine) |
|---|
| 32 | USE ldfdyn ! lateral viscosity setting (ldfdyn_init routine) |
|---|
| 33 | USE ldftra ! lateral diffusivity setting (ldftra_init routine) |
|---|
| 34 | USE zdfini |
|---|
| 35 | !!!USE zdf_oce ! ocean vertical physics (zdf_init routine) |
|---|
| 36 | |
|---|
| 37 | USE phycst ! physical constant (par_cst routine) |
|---|
| 38 | USE iceini ! initialization of sea-ice (ice_init routine) |
|---|
| 39 | USE cpl ! coupled ocean/atmos. (cpl_init routine) |
|---|
| 40 | USE ocfzpt ! ocean freezing point (oc_fz_pt routine) |
|---|
| 41 | USE trdicp ! momentum/tracers trends (trd_icp_init routine) |
|---|
| 42 | USE trdvor ! vorticity trends (trd_vor_init routine) |
|---|
| 43 | USE trdmld ! tracer mixed layer trends (trd_mld_init routine) |
|---|
| 44 | USE flxfwb ! |
|---|
| 45 | |
|---|
| 46 | USE diaptr ! poleward transports (dia_ptr_init routine) |
|---|
| 47 | |
|---|
| 48 | USE step ! OPA time-stepping (stp routine) |
|---|
| 49 | |
|---|
| 50 | IMPLICIT NONE |
|---|
| 51 | PRIVATE |
|---|
| 52 | |
|---|
| 53 | !! * Routine accessibility |
|---|
| 54 | PUBLIC opa_model ! called by model.F90 |
|---|
| 55 | !!---------------------------------------------------------------------- |
|---|
| 56 | !! OPA 9.0 , LODYC-IPSL (2003) |
|---|
| 57 | !!---------------------------------------------------------------------- |
|---|
| 58 | |
|---|
| 59 | CONTAINS |
|---|
| 60 | |
|---|
| 61 | SUBROUTINE opa_model |
|---|
| 62 | !!---------------------------------------------------------------------- |
|---|
| 63 | !! *** ROUTINE opa *** |
|---|
| 64 | !! |
|---|
| 65 | !! ** Purpose : opa solves the primitive equations on an orthogonal |
|---|
| 66 | !! curvilinear mesh on the sphere. |
|---|
| 67 | !! |
|---|
| 68 | !! ** Method : - model general initialization |
|---|
| 69 | !! - launch the time-stepping (stp routine) |
|---|
| 70 | !! |
|---|
| 71 | !! References : |
|---|
| 72 | !! Madec, Delecluse,Imbard, and Levy, 1997: reference manual. |
|---|
| 73 | !! internal report, IPSL. |
|---|
| 74 | !! |
|---|
| 75 | !! History : |
|---|
| 76 | !! 4.0 ! 90-10 (C. Levy, G. Madec) Original code |
|---|
| 77 | !! 7.0 ! 91-11 (M. Imbard, C. Levy, G. Madec) |
|---|
| 78 | !! 7.1 ! 93-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
|---|
| 79 | !! M. Guyon, A. Lazar, P. Delecluse, C. Perigaud, |
|---|
| 80 | !! G. Caniaux, B. Colot, C. Maes ) release 7.1 |
|---|
| 81 | !! ! 92-06 (L.Terray) coupling implementation |
|---|
| 82 | !! ! 93-11 (M.A. Filiberti) IGLOO sea-ice |
|---|
| 83 | !! 8.0 ! 96-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
|---|
| 84 | !! M. Guyon, A. Lazar, P. Delecluse, L.Terray, |
|---|
| 85 | !! M.A. Filiberti, J. Vialar, A.M. Treguier, |
|---|
| 86 | !! M. Levy) release 8.0 |
|---|
| 87 | !! 8.1 ! 97-06 (M. Imbard, G. Madec) |
|---|
| 88 | !! 8.2 ! 99-11 (M. Imbard, H. Goosse) LIM sea-ice model |
|---|
| 89 | !! ! 99-12 (V. Thierry, A-M. Treguier, M. Imbard, M-A. Foujols) OPEN-MP |
|---|
| 90 | !! ! 00-07 (J-M Molines, M. Imbard) Open Boundary Conditions (CLIPPER) |
|---|
| 91 | !! 9.0 ! 02-08 (G. Madec) F90: Free form and modules |
|---|
| 92 | !! " ! 04-08 (C. Talandier) New trends organization |
|---|
| 93 | !!---------------------------------------------------------------------- |
|---|
| 94 | !! * Local declarations |
|---|
| 95 | INTEGER :: istp ! time step index |
|---|
| 96 | #if defined key_coupled |
|---|
| 97 | INTEGER :: itro, istp0 ! ??? |
|---|
| 98 | #endif |
|---|
| 99 | CHARACTER (len=64) :: & |
|---|
| 100 | cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
|---|
| 101 | !!---------------------------------------------------------------------- |
|---|
| 102 | |
|---|
| 103 | |
|---|
| 104 | ! Initializations |
|---|
| 105 | ! =============== |
|---|
| 106 | |
|---|
| 107 | ! open listing and namelist units |
|---|
| 108 | IF ( numout /= 0 .AND. numout /= 6 ) THEN |
|---|
| 109 | OPEN( UNIT=numout, FILE='ocean.output', FORM='FORMATTED' ) |
|---|
| 110 | ENDIF |
|---|
| 111 | IF( lk_mpp ) OPEN( UNIT=nummpp, FILE='mpp.output', FORM='FORMATTED' ) |
|---|
| 112 | |
|---|
| 113 | |
|---|
| 114 | ! Nodes selection |
|---|
| 115 | narea = mynode() |
|---|
| 116 | narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 ) |
|---|
| 117 | lwp = narea == 1 |
|---|
| 118 | |
|---|
| 119 | OPEN( UNIT=numnam, FILE='namelist', FORM='FORMATTED', STATUS='OLD' ) |
|---|
| 120 | |
|---|
| 121 | IF(lwp) THEN |
|---|
| 122 | WRITE(numout,*) |
|---|
| 123 | WRITE(numout,*) ' L O D Y C - I P S L' |
|---|
| 124 | WRITE(numout,*) ' O P A model' |
|---|
| 125 | WRITE(numout,*) ' Ocean General Circulation Model' |
|---|
| 126 | WRITE(numout,*) ' version OPA 9.0 (2003)' |
|---|
| 127 | WRITE(numout,*) |
|---|
| 128 | ENDIF |
|---|
| 129 | |
|---|
| 130 | ! ! ============================== ! |
|---|
| 131 | ! ! Model general initialization ! |
|---|
| 132 | ! ! ============================== ! |
|---|
| 133 | |
|---|
| 134 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
|---|
| 135 | |
|---|
| 136 | ! Domain decomposition |
|---|
| 137 | IF( jpni*jpnj == jpnij ) THEN |
|---|
| 138 | CALL mpp_init ! standard cutting out |
|---|
| 139 | ELSE |
|---|
| 140 | CALL mpp_init2 ! eliminate land processors |
|---|
| 141 | ENDIF |
|---|
| 142 | |
|---|
| 143 | CALL phy_cst ! Physical constants |
|---|
| 144 | |
|---|
| 145 | CALL dom_cfg ! Domain configuration |
|---|
| 146 | |
|---|
| 147 | CALL dom_init ! Domain |
|---|
| 148 | |
|---|
| 149 | IF( lk_obc ) CALL obc_init ! Open boundaries |
|---|
| 150 | |
|---|
| 151 | CALL solver_init ! Elliptic solver |
|---|
| 152 | |
|---|
| 153 | CALL day( nit000 ) ! Calendar |
|---|
| 154 | |
|---|
| 155 | CALL istate_init ! ocean initial state (Dynamics and tracers) |
|---|
| 156 | !!add |
|---|
| 157 | CALL eos( tb, sb, rhd, rhop ) ! before potential and in situ densities |
|---|
| 158 | |
|---|
| 159 | CALL bn2( tb, sb, rn2 ) ! before Brunt-Vaisala frequency |
|---|
| 160 | |
|---|
| 161 | IF( lk_zps ) CALL zps_hde( nit000, tb, sb, rhd, & ! Partial steps: before Horizontal DErivative |
|---|
| 162 | gtu, gsu, gru, & ! of t, s, rd at the bottom ocean level |
|---|
| 163 | gtv, gsv, grv ) |
|---|
| 164 | |
|---|
| 165 | !!add |
|---|
| 166 | |
|---|
| 167 | CALL oc_fz_pt ! Surface freezing point |
|---|
| 168 | |
|---|
| 169 | #if defined key_ice_lim |
|---|
| 170 | CALL ice_init ! Sea ice model |
|---|
| 171 | #endif |
|---|
| 172 | |
|---|
| 173 | #if defined key_passivetrc |
|---|
| 174 | CALL initrc ! Passive tracers |
|---|
| 175 | #endif |
|---|
| 176 | |
|---|
| 177 | ! ! Ocean scheme |
|---|
| 178 | |
|---|
| 179 | CALL opa_flg ! Choice of algorithms |
|---|
| 180 | |
|---|
| 181 | ! ! Ocean physics |
|---|
| 182 | |
|---|
| 183 | CALL tra_qsr_init ! Solar radiation penetration |
|---|
| 184 | |
|---|
| 185 | CALL ldf_dyn_init ! Lateral ocean momentum physics |
|---|
| 186 | |
|---|
| 187 | CALL ldf_tra_init ! Lateral ocean tracer physics |
|---|
| 188 | |
|---|
| 189 | CALL zdf_init ! Vertical ocean physics |
|---|
| 190 | |
|---|
| 191 | ! ! Ocean trends |
|---|
| 192 | ! Control parameters |
|---|
| 193 | IF( lk_trdtra .OR. lk_trdmld ) l_trdtra = .TRUE. |
|---|
| 194 | IF( lk_trddyn .OR. lk_trdvor ) l_trddyn = .TRUE. |
|---|
| 195 | |
|---|
| 196 | IF( lk_trddyn .OR. lk_trdtra ) & |
|---|
| 197 | & CALL trd_icp_init ! active tracers and/or momentum |
|---|
| 198 | |
|---|
| 199 | IF( lk_trdmld ) CALL trd_mld_init ! mixed layer |
|---|
| 200 | |
|---|
| 201 | IF( lk_trdvor ) CALL trd_vor_init ! vorticity |
|---|
| 202 | |
|---|
| 203 | #if defined key_coupled |
|---|
| 204 | itro = nitend - nit000 + 1 ! Coupled |
|---|
| 205 | istp0 = NINT( rdt ) |
|---|
| 206 | CALL cpl_init( itro, nexco, istp0 ) ! Signal processing and process id exchange |
|---|
| 207 | #endif |
|---|
| 208 | |
|---|
| 209 | CALL flx_fwb_init ! FreshWater Budget correction |
|---|
| 210 | |
|---|
| 211 | CALL dia_ptr_init ! Poleward TRansports initialization |
|---|
| 212 | |
|---|
| 213 | ! ! =============== ! |
|---|
| 214 | ! ! time stepping ! |
|---|
| 215 | ! ! =============== ! |
|---|
| 216 | |
|---|
| 217 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
|---|
| 218 | |
|---|
| 219 | istp = nit000 |
|---|
| 220 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
|---|
| 221 | CALL stp( istp ) |
|---|
| 222 | istp = istp + 1 |
|---|
| 223 | END DO |
|---|
| 224 | ! ! ========= ! |
|---|
| 225 | ! ! Job end ! |
|---|
| 226 | ! ! ========= ! |
|---|
| 227 | |
|---|
| 228 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
|---|
| 229 | |
|---|
| 230 | IF( nstop /= 0 ) THEN ! error print |
|---|
| 231 | IF(lwp) WRITE(numout,cform_err) |
|---|
| 232 | IF(lwp) WRITE(numout,*) nstop, ' error have been found' |
|---|
| 233 | ENDIF |
|---|
| 234 | |
|---|
| 235 | CALL opa_closefile |
|---|
| 236 | IF( lk_mpp ) CALL mppstop ! Close all files (mpp) |
|---|
| 237 | |
|---|
| 238 | END SUBROUTINE opa_model |
|---|
| 239 | |
|---|
| 240 | |
|---|
| 241 | SUBROUTINE opa_flg |
|---|
| 242 | !!---------------------------------------------------------------------- |
|---|
| 243 | !! *** ROUTINE opa *** |
|---|
| 244 | !! |
|---|
| 245 | !! ** Purpose : Initialize logical flags that control the choice of |
|---|
| 246 | !! some algorithm or control print |
|---|
| 247 | !! |
|---|
| 248 | !! ** Method : Read in namilist namflg logical flags |
|---|
| 249 | !! |
|---|
| 250 | !! History : |
|---|
| 251 | !! 9.0 ! 03-11 (G. Madec) Original code |
|---|
| 252 | !!---------------------------------------------------------------------- |
|---|
| 253 | !! * Local declarations |
|---|
| 254 | |
|---|
| 255 | NAMELIST/namflg/ ln_dynhpg_imp |
|---|
| 256 | !!---------------------------------------------------------------------- |
|---|
| 257 | |
|---|
| 258 | ! Read Namelist namflg : algorithm FLaG |
|---|
| 259 | ! -------------------- |
|---|
| 260 | REWIND ( numnam ) |
|---|
| 261 | READ ( numnam, namflg ) |
|---|
| 262 | |
|---|
| 263 | ! Parameter control and print |
|---|
| 264 | ! --------------------------- |
|---|
| 265 | ! Control print |
|---|
| 266 | IF(lwp) THEN |
|---|
| 267 | WRITE(numout,*) |
|---|
| 268 | WRITE(numout,*) 'opa_flg : algorithm flag initialization' |
|---|
| 269 | WRITE(numout,*) '~~~~~~~' |
|---|
| 270 | WRITE(numout,*) ' Namelist namflg : set algorithm flags' |
|---|
| 271 | WRITE(numout,*) |
|---|
| 272 | WRITE(numout,*) ' centered (F) or semi-implicit (T) ln_dynhpg_imp = ', ln_dynhpg_imp |
|---|
| 273 | WRITE(numout,*) ' hydrostatic pressure gradient' |
|---|
| 274 | ENDIF |
|---|
| 275 | |
|---|
| 276 | END SUBROUTINE opa_flg |
|---|
| 277 | |
|---|
| 278 | SUBROUTINE opa_closefile |
|---|
| 279 | !!---------------------------------------------------------------------- |
|---|
| 280 | !! *** ROUTINE opa_closefile *** |
|---|
| 281 | !! |
|---|
| 282 | !! ** Purpose : Close the files |
|---|
| 283 | !! |
|---|
| 284 | !! ** Method : |
|---|
| 285 | !! |
|---|
| 286 | !! History : |
|---|
| 287 | !! 9.0 ! 05-01 (O. Le Galloudec) Original code |
|---|
| 288 | !!---------------------------------------------------------------------- |
|---|
| 289 | !! * Modules used |
|---|
| 290 | USE dtatem ! temperature data |
|---|
| 291 | USE dtasal ! salinity data |
|---|
| 292 | USE dtasst ! sea surface temperature data |
|---|
| 293 | !!---------------------------------------------------------------------- |
|---|
| 294 | |
|---|
| 295 | IF ( lk_mpp ) CALL mppsync |
|---|
| 296 | |
|---|
| 297 | ! 1. Unit close |
|---|
| 298 | ! ------------- |
|---|
| 299 | |
|---|
| 300 | CLOSE( numnam ) ! namelist |
|---|
| 301 | CLOSE( numout ) ! standard model output file |
|---|
| 302 | CLOSE( numstp ) ! time-step file |
|---|
| 303 | CLOSE( numwrs ) ! ocean restart file |
|---|
| 304 | |
|---|
| 305 | IF( lk_dtatem ) CLOSE( numtdt ) |
|---|
| 306 | IF( lk_dtasal ) CLOSE( numsdt ) |
|---|
| 307 | IF( lk_dtasst ) CLOSE( numsst ) |
|---|
| 308 | |
|---|
| 309 | IF(lwp) CLOSE( numsol ) |
|---|
| 310 | |
|---|
| 311 | IF( lk_cpl ) THEN |
|---|
| 312 | CLOSE( numlhf ) |
|---|
| 313 | CLOSE( numlts ) |
|---|
| 314 | ENDIF |
|---|
| 315 | |
|---|
| 316 | CLOSE( numwri ) |
|---|
| 317 | |
|---|
| 318 | END SUBROUTINE opa_closefile |
|---|
| 319 | |
|---|
| 320 | !!====================================================================== |
|---|
| 321 | END MODULE opa |
|---|
