| 1 | MODULE opa |
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| 2 | !!============================================================================== |
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| 3 | !! *** MODULE opa *** |
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| 4 | !! Ocean system : OPA ocean dynamics (including on-line tracers and sea-ice) |
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| 5 | !!============================================================================== |
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| 6 | |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! opa_model : solve ocean dynamics, tracer and/or sea-ice |
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| 9 | !! opa_flg : initialisation of algorithm flag |
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| 10 | !! opa_closefile : close remaining files |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! * Modules used |
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| 13 | USE cpl_oce ! ocean-atmosphere-sea ice coupled exchanges |
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| 14 | USE dom_oce ! ocean space domain variables |
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| 15 | USE oce ! dynamics and tracers variables |
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| 16 | USE trdmod_oce ! ocean variables trends |
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| 17 | USE daymod ! calendar |
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| 18 | USE in_out_manager ! I/O manager |
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| 19 | USE lib_mpp ! distributed memory computing |
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| 20 | |
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| 21 | USE domcfg ! domain configuration (dom_cfg routine) |
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| 22 | USE mppini ! shared/distributed memory setting (mpp_init routine) |
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| 23 | USE domain ! domain initialization (dom_init routine) |
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| 24 | USE obc_par ! open boundary cond. parameters |
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| 25 | USE obcini ! open boundary cond. initialization (obc_ini routine) |
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| 26 | USE solver ! solver initialization (solver_init routine) |
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| 27 | USE istate ! initial state setting (istate_init routine) |
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| 28 | USE eosbn2 ! equation of state (eos bn2 routine) |
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| 29 | USE zpshde ! partial step: hor. derivative (zps_hde routine) |
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| 30 | |
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| 31 | ! ocean physics |
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| 32 | USE traqsr ! solar radiation penetration (tra_qsr_init routine) |
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| 33 | USE ldfdyn ! lateral viscosity setting (ldfdyn_init routine) |
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| 34 | USE ldftra ! lateral diffusivity setting (ldftra_init routine) |
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| 35 | USE zdfini |
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| 36 | |
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| 37 | USE phycst ! physical constant (par_cst routine) |
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| 38 | USE iceini ! initialization of sea-ice (ice_init routine) |
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| 39 | USE cpl ! coupled ocean/atmos. (cpl_init routine) |
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| 40 | USE ocfzpt ! ocean freezing point (oc_fz_pt routine) |
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| 41 | USE trdicp ! momentum/tracers trends (trd_icp_init routine) |
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| 42 | USE trdvor ! vorticity trends (trd_vor_init routine) |
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| 43 | USE trdmld ! tracer mixed layer trends (trd_mld_init routine) |
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| 44 | USE flxfwb ! freshwater budget correction (flx_fwb_init routine) |
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| 45 | USE flxmod ! thermohaline forcing of the ocean (flx_init routine) |
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| 46 | |
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| 47 | USE diaptr ! poleward transports (dia_ptr_init routine) |
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| 48 | |
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| 49 | USE step ! OPA time-stepping (stp routine) |
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| 50 | USE dynspg_oce ! Control choice of surface pressure gradient schemes |
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| 51 | USE prtctl ! Print control (prt_ctl_init routine) |
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| 52 | USE ini1d ! re-initialization of u-v mask for the 1D configuration |
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| 53 | USE dyncor1d ! Coriolis factor at T-point |
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| 54 | USE step1d ! Time stepping loop for the 1D configuration |
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| 55 | |
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| 56 | USE initrc ! Initialization of the passive tracers |
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| 57 | |
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| 58 | IMPLICIT NONE |
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| 59 | PRIVATE |
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| 60 | |
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| 61 | !! * Routine accessibility |
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| 62 | PUBLIC opa_model ! called by model.F90 |
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| 63 | PUBLIC opa_init |
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| 64 | !!---------------------------------------------------------------------- |
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| 65 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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| 66 | !! $Header$ |
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| 67 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 68 | !!---------------------------------------------------------------------- |
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| 69 | |
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| 70 | CONTAINS |
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| 71 | |
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| 72 | SUBROUTINE opa_model |
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| 73 | !!---------------------------------------------------------------------- |
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| 74 | !! *** ROUTINE opa *** |
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| 75 | !! |
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| 76 | !! ** Purpose : opa solves the primitive equations on an orthogonal |
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| 77 | !! curvilinear mesh on the sphere. |
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| 78 | !! |
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| 79 | !! ** Method : - model general initialization |
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| 80 | !! - launch the time-stepping (stp routine) |
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| 81 | !! |
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| 82 | !! References : |
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| 83 | !! Madec, Delecluse,Imbard, and Levy, 1997: reference manual. |
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| 84 | !! internal report, IPSL. |
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| 85 | !! |
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| 86 | !! History : |
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| 87 | !! 4.0 ! 90-10 (C. Levy, G. Madec) Original code |
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| 88 | !! 7.0 ! 91-11 (M. Imbard, C. Levy, G. Madec) |
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| 89 | !! 7.1 ! 93-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
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| 90 | !! M. Guyon, A. Lazar, P. Delecluse, C. Perigaud, |
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| 91 | !! G. Caniaux, B. Colot, C. Maes ) release 7.1 |
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| 92 | !! ! 92-06 (L.Terray) coupling implementation |
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| 93 | !! ! 93-11 (M.A. Filiberti) IGLOO sea-ice |
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| 94 | !! 8.0 ! 96-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
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| 95 | !! M. Guyon, A. Lazar, P. Delecluse, L.Terray, |
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| 96 | !! M.A. Filiberti, J. Vialar, A.M. Treguier, |
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| 97 | !! M. Levy) release 8.0 |
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| 98 | !! 8.1 ! 97-06 (M. Imbard, G. Madec) |
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| 99 | !! 8.2 ! 99-11 (M. Imbard, H. Goosse) LIM sea-ice model |
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| 100 | !! ! 99-12 (V. Thierry, A-M. Treguier, M. Imbard, M-A. Foujols) OPEN-MP |
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| 101 | !! ! 00-07 (J-M Molines, M. Imbard) Open Boundary Conditions (CLIPPER) |
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| 102 | !! 9.0 ! 02-08 (G. Madec) F90: Free form and modules |
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| 103 | !! " ! 04-08 (C. Talandier) New trends organization |
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| 104 | !! " ! 05-06 (C. Ethe) Add the 1D configuration possibility |
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| 105 | !! " ! 05-11 (V. Garnier) Surface pressure gradient organization |
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| 106 | !!---------------------------------------------------------------------- |
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| 107 | !! * Local declarations |
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| 108 | INTEGER :: istp ! time step index |
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| 109 | CHARACTER (len=64) :: & |
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| 110 | cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
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| 111 | !!---------------------------------------------------------------------- |
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| 112 | |
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| 113 | #if defined key_agrif |
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| 114 | |
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| 115 | Call Agrif_Init_Grids() |
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| 116 | #endif |
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| 117 | |
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| 118 | Call opa_init ! Initializations |
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| 119 | |
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| 120 | IF( lk_cfg_1d ) THEN |
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| 121 | istp = nit000 |
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| 122 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
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| 123 | #if defined key_agrif |
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| 124 | CALL Agrif_Step(stp_1d) |
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| 125 | #else |
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| 126 | CALL stp_1d( istp ) |
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| 127 | #endif |
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| 128 | istp = istp + 1 |
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| 129 | END DO |
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| 130 | ELSE |
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| 131 | istp = nit000 |
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| 132 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
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| 133 | #if defined key_agrif |
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| 134 | CALL Agrif_Step(stp) |
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| 135 | #else |
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| 136 | CALL stp( istp ) |
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| 137 | #endif |
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| 138 | istp = istp + 1 |
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| 139 | END DO |
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| 140 | ENDIF |
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| 141 | ! ! ========= ! |
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| 142 | ! ! Job end ! |
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| 143 | ! ! ========= ! |
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| 144 | |
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| 145 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 146 | |
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| 147 | IF( nstop /= 0 ) THEN ! error print |
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| 148 | IF(lwp) WRITE(numout,cform_err) |
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| 149 | IF(lwp) WRITE(numout,*) nstop, ' error have been found' |
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| 150 | ENDIF |
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| 151 | |
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| 152 | CALL opa_closefile |
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| 153 | IF( lk_mpp ) CALL mppstop ! Close all files (mpp) |
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| 154 | |
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| 155 | END SUBROUTINE opa_model |
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| 156 | |
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| 157 | |
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| 158 | SUBROUTINE opa_flg |
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| 159 | !!---------------------------------------------------------------------- |
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| 160 | !! *** ROUTINE opa *** |
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| 161 | !! |
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| 162 | !! ** Purpose : Initialize logical flags that control the choice of |
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| 163 | !! some algorithm or control print |
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| 164 | !! |
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| 165 | !! ** Method : Read in namilist namflg logical flags |
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| 166 | !! |
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| 167 | !! History : |
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| 168 | !! 9.0 ! 03-11 (G. Madec) Original code |
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| 169 | !!---------------------------------------------------------------------- |
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| 170 | !! * Local declarations |
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| 171 | |
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| 172 | NAMELIST/namflg/ ln_dynhpg_imp |
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| 173 | !!---------------------------------------------------------------------- |
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| 174 | |
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| 175 | ! Read Namelist namflg : algorithm FLaG |
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| 176 | ! -------------------- |
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| 177 | REWIND ( numnam ) |
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| 178 | READ ( numnam, namflg ) |
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| 179 | |
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| 180 | ! Parameter control and print |
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| 181 | ! --------------------------- |
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| 182 | ! Control print |
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| 183 | IF(lwp) THEN |
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| 184 | WRITE(numout,*) |
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| 185 | WRITE(numout,*) 'opa_flg : algorithm flag initialization' |
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| 186 | WRITE(numout,*) '~~~~~~~' |
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| 187 | WRITE(numout,*) ' Namelist namflg : set algorithm flags' |
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| 188 | WRITE(numout,*) |
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| 189 | WRITE(numout,*) ' centered (F) or semi-implicit (T) ln_dynhpg_imp = ', ln_dynhpg_imp |
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| 190 | WRITE(numout,*) ' hydrostatic pressure gradient' |
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| 191 | ENDIF |
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| 192 | |
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| 193 | END SUBROUTINE opa_flg |
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| 194 | |
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| 195 | SUBROUTINE opa_closefile |
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| 196 | !!---------------------------------------------------------------------- |
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| 197 | !! *** ROUTINE opa_closefile *** |
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| 198 | !! |
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| 199 | !! ** Purpose : Close the files |
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| 200 | !! |
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| 201 | !! ** Method : |
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| 202 | !! |
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| 203 | !! History : |
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| 204 | !! 9.0 ! 05-01 (O. Le Galloudec) Original code |
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| 205 | !!---------------------------------------------------------------------- |
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| 206 | !! * Modules used |
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| 207 | USE dtatem ! temperature data |
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| 208 | USE dtasal ! salinity data |
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| 209 | USE dtasst ! sea surface temperature data |
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| 210 | !!---------------------------------------------------------------------- |
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| 211 | |
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| 212 | IF ( lk_mpp ) CALL mppsync |
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| 213 | |
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| 214 | ! 1. Unit close |
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| 215 | ! ------------- |
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| 216 | |
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| 217 | CLOSE( numnam ) ! namelist |
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| 218 | CLOSE( numout ) ! standard model output file |
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| 219 | CLOSE( numstp ) ! time-step file |
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| 220 | CLOSE( numwrs ) ! ocean restart file |
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| 221 | |
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| 222 | IF( lk_dtatem ) CLOSE( numtdt ) |
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| 223 | IF( lk_dtasal ) CLOSE( numsdt ) |
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| 224 | IF( lk_dtasst ) CLOSE( numsst ) |
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| 225 | |
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| 226 | IF(lwp) CLOSE( numsol ) |
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| 227 | |
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| 228 | IF( lk_cpl ) THEN |
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| 229 | CLOSE( numlhf ) |
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| 230 | CLOSE( numlts ) |
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| 231 | ENDIF |
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| 232 | |
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| 233 | CLOSE( numwri ) |
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| 234 | |
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| 235 | END SUBROUTINE opa_closefile |
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| 236 | |
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| 237 | !!====================================================================== |
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| 238 | SUBROUTINE opa_init |
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| 239 | !!---------------------------------------------------------------------- |
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| 240 | !! *** ROUTINE opa_init *** |
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| 241 | !! |
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| 242 | !! ** Purpose : initialization of the opa model |
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| 243 | !! |
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| 244 | !! ** Method : |
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| 245 | !! |
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| 246 | !! References : |
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| 247 | !!---------------------------------------------------------------------- |
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| 248 | !! * Local declarations |
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| 249 | |
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| 250 | #if defined key_coupled |
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| 251 | INTEGER :: itro, istp0 ! ??? |
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| 252 | #endif |
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| 253 | CHARACTER (len=64) :: & |
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| 254 | cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
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| 255 | CHARACTER (len=20) :: namelistname |
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| 256 | CHARACTER (len=28) :: file_out |
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| 257 | !!---------------------------------------------------------------------- |
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| 258 | |
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| 259 | ! Initializations |
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| 260 | ! =============== |
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| 261 | |
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| 262 | file_out = 'ocean.output' |
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| 263 | |
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| 264 | ! open listing and namelist units |
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| 265 | IF ( numout /= 0 .AND. numout /= 6 ) THEN |
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| 266 | CALL ctlopn(numout,file_out,'UNKNOWN', 'FORMATTED', & |
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| 267 | 'SEQUENTIAL',1,numout,.FALSE.,1) |
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| 268 | ! OPEN( UNIT=numout, FILE=TRIM(file_out), FORM='FORMATTED' ) |
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| 269 | ENDIF |
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| 270 | |
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| 271 | namelistname = 'namelist' |
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| 272 | CALL ctlopn(numnam,namelistname,'OLD', 'FORMATTED', 'SEQUENTIAL', & |
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| 273 | 1,numout,.FALSE.,1) |
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| 274 | !!!! OPEN( UNIT=numnam, FILE='namelist', FORM='FORMATTED', STATUS='OLD' ) |
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| 275 | |
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| 276 | WRITE(numout,*) |
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| 277 | WRITE(numout,*) ' L O D Y C - I P S L' |
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| 278 | WRITE(numout,*) ' O P A model' |
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| 279 | WRITE(numout,*) ' Ocean General Circulation Model' |
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| 280 | WRITE(numout,*) ' version OPA 9.0 (2005) ' |
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| 281 | WRITE(numout,*) |
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| 282 | WRITE(numout,*) |
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| 283 | |
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| 284 | ! Nodes selection |
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| 285 | narea = mynode() |
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| 286 | narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 ) |
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| 287 | lwp = narea == 1 |
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| 288 | |
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| 289 | ! ! ============================== ! |
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| 290 | ! ! Model general initialization ! |
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| 291 | ! ! ============================== ! |
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| 292 | |
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| 293 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 294 | |
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| 295 | ! Domain decomposition |
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| 296 | IF( jpni*jpnj == jpnij ) THEN |
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| 297 | CALL mpp_init ! standard cutting out |
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| 298 | ELSE |
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| 299 | CALL mpp_init2 ! eliminate land processors |
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| 300 | ENDIF |
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| 301 | |
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| 302 | CALL phy_cst ! Physical constants |
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| 303 | |
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| 304 | CALL dom_cfg ! Domain configuration |
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| 305 | |
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| 306 | CALL dom_init ! Domain |
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| 307 | IF( ln_ctl ) CALL prt_ctl_init ! Print control |
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| 308 | |
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| 309 | IF( lk_cfg_1d ) CALL fcorio_1d ! redefine Coriolis at T-point |
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| 310 | |
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| 311 | IF( lk_obc ) CALL obc_init ! Open boundaries |
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| 312 | |
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| 313 | CALL day( nit000 ) ! Calendar |
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| 314 | |
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| 315 | CALL istate_init ! ocean initial state (Dynamics and tracers) |
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| 316 | |
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| 317 | IF( lk_dynspg_flt .OR. lk_dynspg_rl ) THEN |
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| 318 | CALL solver_init( nit000 ) ! Elliptic solver |
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| 319 | ENDIF |
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| 320 | |
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| 321 | !!add |
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| 322 | CALL eos( tb, sb, rhd, rhop ) ! before potential and in situ densities |
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| 323 | |
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| 324 | CALL bn2( tb, sb, rn2 ) ! before Brunt-Vaisala frequency |
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| 325 | |
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| 326 | IF( lk_zps .AND. .NOT. lk_cfg_1d ) & |
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| 327 | & CALL zps_hde( nit000, tb, sb, rhd, & ! Partial steps: before Horizontal DErivative |
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| 328 | gtu, gsu, gru, & ! of t, s, rd at the bottom ocean level |
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| 329 | gtv, gsv, grv ) |
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| 330 | |
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| 331 | !!add |
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| 332 | |
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| 333 | CALL oc_fz_pt ! Surface freezing point |
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| 334 | |
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| 335 | #if defined key_ice_lim |
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| 336 | CALL ice_init ! Sea ice model |
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| 337 | #endif |
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| 338 | |
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| 339 | ! ! Ocean scheme |
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| 340 | |
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| 341 | CALL opa_flg ! Choice of algorithms |
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| 342 | |
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| 343 | ! ! Ocean physics |
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| 344 | |
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| 345 | CALL tra_qsr_init ! Solar radiation penetration |
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| 346 | |
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| 347 | CALL ldf_dyn_init ! Lateral ocean momentum physics |
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| 348 | |
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| 349 | CALL ldf_tra_init ! Lateral ocean tracer physics |
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| 350 | |
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| 351 | CALL zdf_init ! Vertical ocean physics |
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| 352 | |
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| 353 | ! ! Ocean trends |
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| 354 | ! Control parameters |
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| 355 | IF( lk_trdtra .OR. lk_trdmld ) l_trdtra = .TRUE. |
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| 356 | IF( lk_trddyn .OR. lk_trdvor ) l_trddyn = .TRUE. |
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| 357 | |
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| 358 | IF( lk_trddyn .OR. lk_trdtra ) & |
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| 359 | & CALL trd_icp_init ! active tracers and/or momentum |
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| 360 | |
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| 361 | IF( lk_trdmld ) CALL trd_mld_init ! mixed layer |
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| 362 | |
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| 363 | IF( lk_trdvor ) CALL trd_vor_init ! vorticity |
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| 364 | |
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| 365 | #if defined key_passivetrc |
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| 366 | CALL ini_trc ! Passive tracers |
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| 367 | #endif |
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| 368 | |
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| 369 | #if defined key_coupled |
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| 370 | itro = nitend - nit000 + 1 ! Coupled |
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| 371 | istp0 = NINT( rdt ) |
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| 372 | CALL cpl_init( itro, nexco, istp0 ) ! Signal processing and process id exchange |
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| 373 | #endif |
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| 374 | |
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| 375 | CALL flx_init ! Thermohaline forcing initialization |
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| 376 | |
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| 377 | CALL flx_fwb_init ! FreshWater Budget correction |
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| 378 | |
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| 379 | CALL dia_ptr_init ! Poleward TRansports initialization |
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| 380 | |
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| 381 | ! ! =============== ! |
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| 382 | ! ! time stepping ! |
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| 383 | ! ! =============== ! |
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| 384 | |
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| 385 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 386 | |
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| 387 | IF( lk_cfg_1d ) THEN |
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| 388 | CALL init_1d |
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| 389 | ENDIF |
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| 390 | END SUBROUTINE opa_init |
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| 391 | !!====================================================================== |
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| 392 | END MODULE opa |
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