| 1 | MODULE nemogcm |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE nemogcm *** |
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| 4 | !! Off-line Ocean : passive tracer evolution, dynamics read in files |
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| 5 | !!====================================================================== |
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| 6 | !! History : 3.3 ! 2010-05 (C. Ethe) Full reorganization of the off-line: phasing with the on-line |
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| 7 | !! 3.4 ! 2011-01 (C. Ethe, A. R. Porter, STFC Daresbury) dynamical allocation |
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| 8 | !! 4.0 ! 2016-10 (C. Ethe, G. Madec, S. Flavoni) domain configuration / user defined interface |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! nemo_gcm : off-line: solve ocean tracer only |
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| 13 | !! nemo_gcm : solve ocean dynamics, tracer, biogeochemistry and/or sea-ice |
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| 14 | !! nemo_init : initialization of the NEMO system |
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| 15 | !! nemo_ctl : initialisation of the contol print |
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| 16 | !! nemo_closefile: close remaining open files |
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| 17 | !! nemo_alloc : dynamical allocation |
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| 18 | !! istate_init : simple initialization to zero of ocean fields |
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| 19 | !! stp_ctl : reduced step control (no dynamics in off-line) |
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| 20 | !!---------------------------------------------------------------------- |
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| 21 | USE dom_oce ! ocean space domain variables |
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| 22 | USE oce ! dynamics and tracers variables |
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| 23 | USE trc_oce ! Shared ocean/passive tracers variables |
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| 24 | USE c1d ! 1D configuration |
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| 25 | USE domain ! domain initialization from coordinate & bathymetry (dom_init routine) |
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| 26 | USE closea ! treatment of closed seas (for ln_closea) |
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| 27 | USE usrdef_nam ! user defined configuration |
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| 28 | USE eosbn2 ! equation of state (eos bn2 routine) |
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| 29 | ! ! ocean physics |
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| 30 | USE ldftra ! lateral diffusivity setting (ldf_tra_init routine) |
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| 31 | USE ldfslp ! slopes of neutral surfaces (ldf_slp_init routine) |
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| 32 | USE traqsr ! solar radiation penetration (tra_qsr_init routine) |
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| 33 | USE trabbl ! bottom boundary layer (tra_bbl_init routine) |
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| 34 | USE traldf ! lateral physics (tra_ldf_init routine) |
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| 35 | USE sbcmod ! surface boundary condition (sbc_init routine) |
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| 36 | USE phycst ! physical constant (par_cst routine) |
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| 37 | USE dtadyn ! Lecture and Interpolation of the dynamical fields |
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| 38 | USE trcini ! Initilization of the passive tracers |
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| 39 | USE daymod ! calendar (day routine) |
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| 40 | USE trcstp ! passive tracer time-stepping (trc_stp routine) |
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| 41 | USE dtadyn ! Lecture and interpolation of the dynamical fields |
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| 42 | ! ! Passive tracers needs |
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| 43 | USE trc ! passive tracer : variables |
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| 44 | USE trcnam ! passive tracer : namelist |
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| 45 | USE trcrst ! passive tracer restart |
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| 46 | USE diaptr ! Need to initialise this as some variables are used in if statements later |
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| 47 | USE sbc_oce , ONLY : ln_rnf |
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| 48 | USE sbcrnf ! surface boundary condition : runoffs |
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| 49 | ! ! I/O & MPP |
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| 50 | USE iom ! I/O library |
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| 51 | USE in_out_manager ! I/O manager |
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| 52 | USE mppini ! shared/distributed memory setting (mpp_init routine) |
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| 53 | USE lib_mpp ! distributed memory computing |
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| 54 | #if defined key_iomput |
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| 55 | USE xios ! xIOserver |
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| 56 | #endif |
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| 57 | USE prtctl ! Print control (prt_ctl_init routine) |
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| 58 | USE timing ! Timing |
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| 59 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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| 60 | USE lbcnfd , ONLY : isendto, nsndto, nfsloop, nfeloop ! Setup of north fold exchanges |
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| 61 | |
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| 62 | IMPLICIT NONE |
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| 63 | PRIVATE |
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| 64 | |
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| 65 | PUBLIC nemo_gcm ! called by nemo.F90 |
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| 66 | |
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| 67 | CHARACTER (len=64) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
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| 68 | |
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| 69 | !!---------------------------------------------------------------------- |
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| 70 | !! NEMO/OFF 4.0 , NEMO Consortium (2018) |
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| 71 | !! $Id$ |
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| 72 | !! Software governed by the CeCILL licence (./LICENSE) |
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| 73 | !!---------------------------------------------------------------------- |
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| 74 | CONTAINS |
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| 75 | |
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| 76 | SUBROUTINE nemo_gcm |
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| 77 | !!---------------------------------------------------------------------- |
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| 78 | !! *** ROUTINE nemo_gcm *** |
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| 79 | !! |
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| 80 | !! ** Purpose : NEMO solves the primitive equations on an orthogonal |
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| 81 | !! curvilinear mesh on the sphere. |
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| 82 | !! |
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| 83 | !! ** Method : - model general initialization |
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| 84 | !! - launch the time-stepping (dta_dyn and trc_stp) |
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| 85 | !! - finalize the run by closing files and communications |
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| 86 | !! |
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| 87 | !! References : Madec, Delecluse,Imbard, and Levy, 1997: internal report, IPSL. |
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| 88 | !! Madec, 2008, internal report, IPSL. |
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| 89 | !!---------------------------------------------------------------------- |
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| 90 | INTEGER :: istp, indic ! time step index |
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| 91 | !!---------------------------------------------------------------------- |
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| 92 | |
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| 93 | CALL nemo_init ! Initializations |
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| 94 | |
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| 95 | ! check that all process are still there... If some process have an error, |
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| 96 | ! they will never enter in step and other processes will wait until the end of the cpu time! |
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| 97 | IF( lk_mpp ) CALL mpp_max( nstop ) |
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| 98 | |
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| 99 | ! !-----------------------! |
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| 100 | ! !== time stepping ==! |
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| 101 | ! !-----------------------! |
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| 102 | ! !== set the model time-step ==! |
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| 103 | ! |
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| 104 | IF( l_1st_euler ) THEN ; r2dt = rn_rdt ; l_1st_euler = .TRUE. ! start or restart with Euler 1st time-step |
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| 105 | ELSE ; r2dt = 2._wp * rn_rdt ; l_1st_euler = .FALSE. ! restart with leapfrog |
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| 106 | ENDIF |
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| 107 | r1_2dt = 1._wp / r2dt |
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| 108 | ! NB: if l_1st_euler=T, r2dt will be set to 2*rdt at the end of the 1st time-step (in step.F90) |
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| 109 | ! Done here (not in domain.F90) as in ASM initialization an Euler 1st time step can be forced |
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| 110 | ! |
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| 111 | ! |
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| 112 | istp = nit000 |
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| 113 | ! |
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| 114 | IF( ln_rnf ) CALL sbc_rnf(istp) ! runoffs initialization |
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| 115 | ! |
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| 116 | CALL iom_init( cxios_context ) ! iom_put initialization (must be done after nemo_init for AGRIF+XIOS+OASIS) |
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| 117 | ! |
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| 118 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) !== OFF time-stepping ==! |
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| 119 | ! |
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| 120 | IF( istp /= nit000 ) CALL day ( istp ) ! Calendar (day was already called at nit000 in day_init) |
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| 121 | CALL iom_setkt ( istp - nit000 + 1, cxios_context ) ! say to iom that we are at time step kstp |
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| 122 | CALL dta_dyn ( istp ) ! Interpolation of the dynamical fields |
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| 123 | IF( .NOT.ln_linssh ) CALL dta_dyn_swp( istp ) ! swap of sea surface height and vertical scale factors |
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| 124 | |
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| 125 | CALL trc_stp ( istp ) ! time-stepping |
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| 126 | CALL stp_ctl ( istp, indic ) ! Time loop: control and print |
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| 127 | IF( l_1st_euler ) THEN |
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| 128 | r2dt = 2._wp * rn_rdt ! recover Leap-frog time-step |
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| 129 | r1_2dt = 1._wp / r2dt |
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| 130 | l_1st_euler = .FALSE. |
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| 131 | ENDIF |
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| 132 | ! |
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| 133 | istp = istp + 1 |
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| 134 | END DO |
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| 135 | ! |
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| 136 | #if defined key_iomput |
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| 137 | CALL iom_context_finalize( cxios_context ) ! needed for XIOS+AGRIF |
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| 138 | #endif |
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| 139 | |
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| 140 | ! !------------------------! |
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| 141 | ! !== finalize the run ==! |
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| 142 | ! !------------------------! |
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| 143 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 144 | |
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| 145 | IF( nstop /= 0 .AND. lwp ) THEN ! error print |
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| 146 | WRITE(numout,cform_err) |
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| 147 | WRITE(numout,*) ' ==>>> nemo_gcm: a total of ', nstop, ' errors have been found' |
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| 148 | WRITE(numout,*) |
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| 149 | ENDIF |
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| 150 | ! |
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| 151 | IF( ln_timing ) CALL timing_finalize |
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| 152 | ! |
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| 153 | CALL nemo_closefile |
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| 154 | ! |
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| 155 | #if defined key_iomput |
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| 156 | CALL xios_finalize ! end mpp communications with xios |
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| 157 | #else |
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| 158 | IF( lk_mpp ) CALL mppstop ! end mpp communications |
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| 159 | #endif |
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| 160 | ! |
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| 161 | END SUBROUTINE nemo_gcm |
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| 162 | |
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| 163 | |
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| 164 | SUBROUTINE nemo_init |
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| 165 | !!---------------------------------------------------------------------- |
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| 166 | !! *** ROUTINE nemo_init *** |
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| 167 | !! |
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| 168 | !! ** Purpose : initialization of the nemo model in off-line mode |
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| 169 | !!---------------------------------------------------------------------- |
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| 170 | INTEGER :: ji ! dummy loop indices |
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| 171 | INTEGER :: ios, ilocal_comm ! local integers |
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| 172 | CHARACTER(len=120), DIMENSION(30) :: cltxt, cltxt2, clnam |
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| 173 | !! |
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| 174 | NAMELIST/namctl/ ln_ctl , nn_print, nn_ictls, nn_ictle, & |
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| 175 | & nn_isplt , nn_jsplt, nn_jctls, nn_jctle, & |
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| 176 | & ln_timing, ln_diacfl |
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| 177 | NAMELIST/namcfg/ ln_read_cfg, cn_domcfg, ln_closea, ln_write_cfg, cn_domcfg_out, ln_use_jattr |
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| 178 | !!---------------------------------------------------------------------- |
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| 179 | ! |
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| 180 | cltxt = '' |
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| 181 | cltxt2 = '' |
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| 182 | clnam = '' |
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| 183 | cxios_context = 'nemo' |
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| 184 | ! |
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| 185 | ! ! Open reference namelist and configuration namelist files |
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| 186 | CALL ctl_opn( numnam_ref, 'namelist_ref', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. ) |
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| 187 | CALL ctl_opn( numnam_cfg, 'namelist_cfg', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. ) |
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| 188 | ! |
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| 189 | REWIND( numnam_ref ) ! Namelist namctl in reference namelist |
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| 190 | READ ( numnam_ref, namctl, IOSTAT = ios, ERR = 901 ) |
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| 191 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namctl in reference namelist', .TRUE. ) |
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| 192 | REWIND( numnam_cfg ) ! Namelist namctl in confguration namelist |
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| 193 | READ ( numnam_cfg, namctl, IOSTAT = ios, ERR = 902 ) |
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| 194 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namctl in configuration namelist', .TRUE. ) |
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| 195 | ! |
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| 196 | REWIND( numnam_ref ) ! Namelist namcfg in reference namelist |
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| 197 | READ ( numnam_ref, namcfg, IOSTAT = ios, ERR = 903 ) |
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| 198 | 903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in reference namelist', .TRUE. ) |
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| 199 | REWIND( numnam_cfg ) ! Namelist namcfg in confguration namelist |
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| 200 | READ ( numnam_cfg, namcfg, IOSTAT = ios, ERR = 904 ) |
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| 201 | 904 IF( ios > 0 ) CALL ctl_nam ( ios , 'namcfg in configuration namelist', .TRUE. ) |
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| 202 | |
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| 203 | ! !--------------------------! |
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| 204 | ! ! Set global domain size ! (control print return in cltxt2) |
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| 205 | ! !--------------------------! |
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| 206 | IF( ln_read_cfg ) THEN ! Read sizes in domain configuration file |
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| 207 | CALL domain_cfg ( cltxt2, cn_cfg, nn_cfg, jpiglo, jpjglo, jpkglo, jperio ) |
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| 208 | ! |
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| 209 | ELSE ! user-defined namelist |
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| 210 | CALL usr_def_nam( cltxt2, clnam, cn_cfg, nn_cfg, jpiglo, jpjglo, jpkglo, jperio ) |
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| 211 | ENDIF |
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| 212 | ! |
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| 213 | l_offline = .true. ! passive tracers are run offline |
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| 214 | ! |
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| 215 | ! !--------------------------------------------! |
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| 216 | ! ! set communicator & select the local node ! |
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| 217 | ! ! NB: mynode also opens output.namelist.dyn ! |
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| 218 | ! ! on unit number numond on first proc ! |
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| 219 | ! !--------------------------------------------! |
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| 220 | #if defined key_iomput |
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| 221 | CALL xios_initialize( "for_xios_mpi_id",return_comm=ilocal_comm ) |
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| 222 | narea = mynode( cltxt, 'output.namelist.dyn', numnam_ref, numnam_cfg, numond , nstop, ilocal_comm ) ! Nodes selection |
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| 223 | #else |
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| 224 | ilocal_comm = 0 |
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| 225 | narea = mynode( cltxt, 'output.namelist.dyn', numnam_ref, numnam_cfg, numond , nstop ) ! Nodes selection (control print return in cltxt) |
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| 226 | #endif |
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| 227 | |
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| 228 | narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 ) |
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| 229 | |
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| 230 | lwm = (narea == 1) ! control of output namelists |
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| 231 | lwp = (narea == 1) .OR. ln_ctl ! control of all listing output print |
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| 232 | |
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| 233 | IF(lwm) THEN ! write merged namelists from earlier to output namelist |
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| 234 | ! ! now that the file has been opened in call to mynode. |
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| 235 | ! ! NB: nammpp has already been written in mynode (if lk_mpp_mpi) |
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| 236 | WRITE( numond, namctl ) |
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| 237 | WRITE( numond, namcfg ) |
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| 238 | IF( .NOT.ln_read_cfg ) THEN |
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| 239 | DO ji = 1, SIZE(clnam) |
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| 240 | IF( TRIM(clnam(ji)) /= '' ) WRITE(numond, * ) clnam(ji) ! namusr_def print |
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| 241 | END DO |
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| 242 | ENDIF |
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| 243 | ENDIF |
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| 244 | |
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| 245 | IF(lwp) THEN ! open listing units |
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| 246 | ! |
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| 247 | CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea ) |
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| 248 | ! |
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| 249 | WRITE(numout,*) |
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| 250 | WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean - INGV - CMCC' |
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| 251 | WRITE(numout,*) ' NEMO team' |
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| 252 | WRITE(numout,*) ' Off-line TOP Model' |
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| 253 | WRITE(numout,*) ' NEMO version 4.0 (2017) ' |
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| 254 | WRITE(numout,*) |
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| 255 | WRITE(numout,*) |
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| 256 | DO ji = 1, SIZE(cltxt) |
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| 257 | IF( TRIM(cltxt (ji)) /= '' ) WRITE(numout,*) cltxt(ji) ! control print of mynode |
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| 258 | END DO |
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| 259 | WRITE(numout,*) |
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| 260 | WRITE(numout,*) |
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| 261 | DO ji = 1, SIZE(cltxt2) |
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| 262 | IF( TRIM(cltxt2(ji)) /= '' ) WRITE(numout,*) cltxt2(ji) ! control print of domain size |
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| 263 | END DO |
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| 264 | ! |
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| 265 | WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 266 | ! |
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| 267 | ENDIF |
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| 268 | ! ! Domain decomposition |
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| 269 | CALL mpp_init ! MPP |
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| 270 | |
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| 271 | ! Now we know the dimensions of the grid and numout has been set: we can allocate arrays |
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| 272 | CALL nemo_alloc() |
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| 273 | |
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| 274 | ! !-------------------------------! |
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| 275 | ! ! NEMO general initialization ! |
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| 276 | ! !-------------------------------! |
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| 277 | |
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| 278 | CALL nemo_ctl ! Control prints |
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| 279 | ! |
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| 280 | ! ! General initialization |
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| 281 | IF( ln_timing ) CALL timing_init |
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| 282 | IF( ln_timing ) CALL timing_start( 'nemo_init') |
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| 283 | ! |
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| 284 | CALL phy_cst ! Physical constants |
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| 285 | CALL eos_init ! Equation of state |
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| 286 | IF( lk_c1d ) CALL c1d_init ! 1D column configuration |
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| 287 | CALL dom_init("OPA") ! Domain |
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| 288 | IF( ln_ctl ) CALL prt_ctl_init ! Print control |
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| 289 | |
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| 290 | CALL istate_init ! ocean initial state (Dynamics and tracers) |
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| 291 | |
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| 292 | CALL sbc_init ! Forcings : surface module |
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| 293 | |
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| 294 | ! ! Tracer physics |
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| 295 | CALL ldf_tra_init ! Lateral ocean tracer physics |
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| 296 | CALL ldf_eiv_init ! Eddy induced velocity param |
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| 297 | CALL tra_ldf_init ! lateral mixing |
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| 298 | IF( l_ldfslp ) CALL ldf_slp_init ! slope of lateral mixing |
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| 299 | IF( ln_traqsr ) CALL tra_qsr_init ! penetrative solar radiation |
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| 300 | IF( ln_trabbl ) CALL tra_bbl_init ! advective (and/or diffusive) bottom boundary layer scheme |
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| 301 | |
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| 302 | ! ! Passive tracers |
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| 303 | CALL trc_nam_run ! Needed to get restart parameters for passive tracers |
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| 304 | CALL trc_rst_cal( nit000, 'READ' ) ! calendar |
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| 305 | CALL dta_dyn_init ! Initialization for the dynamics |
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| 306 | |
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| 307 | CALL trc_init ! Passive tracers initialization |
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| 308 | CALL dia_ptr_init ! Poleward TRansports initialization |
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| 309 | |
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| 310 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 311 | ! |
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| 312 | IF( ln_timing ) CALL timing_stop( 'nemo_init') |
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| 313 | ! |
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| 314 | END SUBROUTINE nemo_init |
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| 315 | |
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| 316 | |
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| 317 | SUBROUTINE nemo_ctl |
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| 318 | !!---------------------------------------------------------------------- |
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| 319 | !! *** ROUTINE nemo_ctl *** |
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| 320 | !! |
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| 321 | !! ** Purpose : control print setting |
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| 322 | !! |
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| 323 | !! ** Method : - print namctl information and check some consistencies |
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| 324 | !!---------------------------------------------------------------------- |
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| 325 | ! |
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| 326 | IF(lwp) THEN ! control print |
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| 327 | WRITE(numout,*) |
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| 328 | WRITE(numout,*) 'nemo_ctl: Control prints' |
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| 329 | WRITE(numout,*) '~~~~~~~~' |
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| 330 | WRITE(numout,*) ' Namelist namctl' |
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| 331 | WRITE(numout,*) ' run control (for debugging) ln_ctl = ', ln_ctl |
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| 332 | WRITE(numout,*) ' level of print nn_print = ', nn_print |
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| 333 | WRITE(numout,*) ' Start i indice for SUM control nn_ictls = ', nn_ictls |
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| 334 | WRITE(numout,*) ' End i indice for SUM control nn_ictle = ', nn_ictle |
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| 335 | WRITE(numout,*) ' Start j indice for SUM control nn_jctls = ', nn_jctls |
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| 336 | WRITE(numout,*) ' End j indice for SUM control nn_jctle = ', nn_jctle |
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| 337 | WRITE(numout,*) ' number of proc. following i nn_isplt = ', nn_isplt |
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| 338 | WRITE(numout,*) ' number of proc. following j nn_jsplt = ', nn_jsplt |
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| 339 | WRITE(numout,*) ' timing by routine ln_timing = ', ln_timing |
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| 340 | WRITE(numout,*) ' CFL diagnostics ln_diacfl = ', ln_diacfl |
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| 341 | ENDIF |
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| 342 | ! |
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| 343 | nprint = nn_print ! convert DOCTOR namelist names into OLD names |
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| 344 | nictls = nn_ictls |
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| 345 | nictle = nn_ictle |
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| 346 | njctls = nn_jctls |
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| 347 | njctle = nn_jctle |
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| 348 | isplt = nn_isplt |
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| 349 | jsplt = nn_jsplt |
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| 350 | |
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| 351 | IF(lwp) THEN ! control print |
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| 352 | WRITE(numout,*) |
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| 353 | WRITE(numout,*) ' Namelist namcfg' |
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| 354 | WRITE(numout,*) ' read domain configuration file ln_read_cfg = ', ln_read_cfg |
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| 355 | WRITE(numout,*) ' filename to be read cn_domcfg = ', TRIM(cn_domcfg) |
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| 356 | WRITE(numout,*) ' keep closed seas in the domain (if exist) ln_closea = ', ln_closea |
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| 357 | WRITE(numout,*) ' create a configuration definition file ln_write_cfg = ', ln_write_cfg |
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| 358 | WRITE(numout,*) ' filename to be written cn_domcfg_out = ', TRIM(cn_domcfg_out) |
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| 359 | WRITE(numout,*) ' use file attribute if exists as i/p j-start ln_use_jattr = ', ln_use_jattr |
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| 360 | ENDIF |
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| 361 | IF( .NOT.ln_read_cfg ) ln_closea = .false. ! dealing possible only with a domcfg file |
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| 362 | ! |
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| 363 | ! ! Parameter control |
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| 364 | ! |
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| 365 | IF( ln_ctl ) THEN ! sub-domain area indices for the control prints |
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| 366 | IF( lk_mpp .AND. jpnij > 1 ) THEN |
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| 367 | isplt = jpni ; jsplt = jpnj ; ijsplt = jpni*jpnj ! the domain is forced to the real split domain |
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| 368 | ELSE |
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| 369 | IF( isplt == 1 .AND. jsplt == 1 ) THEN |
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| 370 | CALL ctl_warn( ' - isplt & jsplt are equal to 1', & |
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| 371 | & ' - the print control will be done over the whole domain' ) |
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| 372 | ENDIF |
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| 373 | ijsplt = isplt * jsplt ! total number of processors ijsplt |
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| 374 | ENDIF |
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| 375 | IF(lwp) WRITE(numout,*)' - The total number of processors over which the' |
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| 376 | IF(lwp) WRITE(numout,*)' print control will be done is ijsplt : ', ijsplt |
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| 377 | ! |
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| 378 | ! ! indices used for the SUM control |
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| 379 | IF( nictls+nictle+njctls+njctle == 0 ) THEN ! print control done over the default area |
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| 380 | lsp_area = .FALSE. |
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| 381 | ELSE ! print control done over a specific area |
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| 382 | lsp_area = .TRUE. |
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| 383 | IF( nictls < 1 .OR. nictls > jpiglo ) THEN |
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| 384 | CALL ctl_warn( ' - nictls must be 1<=nictls>=jpiglo, it is forced to 1' ) |
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| 385 | nictls = 1 |
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| 386 | ENDIF |
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| 387 | IF( nictle < 1 .OR. nictle > jpiglo ) THEN |
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| 388 | CALL ctl_warn( ' - nictle must be 1<=nictle>=jpiglo, it is forced to jpiglo' ) |
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| 389 | nictle = jpiglo |
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| 390 | ENDIF |
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| 391 | IF( njctls < 1 .OR. njctls > jpjglo ) THEN |
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| 392 | CALL ctl_warn( ' - njctls must be 1<=njctls>=jpjglo, it is forced to 1' ) |
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| 393 | njctls = 1 |
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| 394 | ENDIF |
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| 395 | IF( njctle < 1 .OR. njctle > jpjglo ) THEN |
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| 396 | CALL ctl_warn( ' - njctle must be 1<=njctle>=jpjglo, it is forced to jpjglo' ) |
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| 397 | njctle = jpjglo |
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| 398 | ENDIF |
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| 399 | ENDIF |
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| 400 | ENDIF |
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| 401 | ! |
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| 402 | IF( 1._wp /= SIGN(1._wp,-0._wp) ) CALL ctl_stop( 'nemo_ctl: The intrinsec SIGN function follows f2003 standard.', & |
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| 403 | & 'Compile with key_nosignedzero enabled' ) |
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| 404 | ! |
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| 405 | END SUBROUTINE nemo_ctl |
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| 406 | |
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| 407 | |
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| 408 | SUBROUTINE nemo_closefile |
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| 409 | !!---------------------------------------------------------------------- |
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| 410 | !! *** ROUTINE nemo_closefile *** |
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| 411 | !! |
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| 412 | !! ** Purpose : Close the files |
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| 413 | !!---------------------------------------------------------------------- |
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| 414 | ! |
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| 415 | IF( lk_mpp ) CALL mppsync |
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| 416 | ! |
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| 417 | CALL iom_close ! close all input/output files managed by iom_* |
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| 418 | ! |
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| 419 | IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file |
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| 420 | IF( numnam_ref /= -1 ) CLOSE( numnam_ref ) ! oce reference namelist |
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| 421 | IF( numnam_cfg /= -1 ) CLOSE( numnam_cfg ) ! oce configuration namelist |
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| 422 | IF( numout /= 6 ) CLOSE( numout ) ! standard model output file |
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| 423 | IF( lwm.AND.numond /= -1 ) CLOSE( numond ) ! oce output namelist |
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| 424 | ! |
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| 425 | numout = 6 ! redefine numout in case it is used after this point... |
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| 426 | ! |
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| 427 | END SUBROUTINE nemo_closefile |
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| 428 | |
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| 429 | |
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| 430 | SUBROUTINE nemo_alloc |
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| 431 | !!---------------------------------------------------------------------- |
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| 432 | !! *** ROUTINE nemo_alloc *** |
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| 433 | !! |
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| 434 | !! ** Purpose : Allocate all the dynamic arrays of the OPA modules |
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| 435 | !! |
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| 436 | !! ** Method : |
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| 437 | !!---------------------------------------------------------------------- |
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| 438 | USE diawri , ONLY : dia_wri_alloc |
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| 439 | USE dom_oce, ONLY : dom_oce_alloc |
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| 440 | USE zdf_oce, ONLY : zdf_oce_alloc |
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| 441 | USE trc_oce, ONLY : trc_oce_alloc |
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| 442 | ! |
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| 443 | INTEGER :: ierr |
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| 444 | !!---------------------------------------------------------------------- |
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| 445 | ! |
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| 446 | ierr = oce_alloc () ! ocean |
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| 447 | ierr = ierr + dia_wri_alloc() |
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| 448 | ierr = ierr + dom_oce_alloc() ! ocean domain |
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| 449 | ierr = ierr + zdf_oce_alloc() ! ocean vertical physics |
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| 450 | ierr = ierr + trc_oce_alloc() ! shared TRC / TRA arrays |
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| 451 | ! |
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| 452 | IF( lk_mpp ) CALL mpp_sum( ierr ) |
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| 453 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc: unable to allocate standard ocean arrays' ) |
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| 454 | ! |
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| 455 | END SUBROUTINE nemo_alloc |
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| 456 | |
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| 457 | SUBROUTINE istate_init |
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| 458 | !!---------------------------------------------------------------------- |
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| 459 | !! *** ROUTINE istate_init *** |
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| 460 | !! |
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| 461 | !! ** Purpose : Initialization to zero of the dynamics and tracers. |
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| 462 | !!---------------------------------------------------------------------- |
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| 463 | ! |
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| 464 | ! now fields ! after fields ! |
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| 465 | un (:,:,:) = 0._wp ; ua(:,:,:) = 0._wp ! |
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| 466 | vn (:,:,:) = 0._wp ; va(:,:,:) = 0._wp ! |
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| 467 | wn (:,:,:) = 0._wp ! ! |
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| 468 | hdivn(:,:,:) = 0._wp ! ! |
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| 469 | tsn (:,:,:,:) = 0._wp ! ! |
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| 470 | ! |
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| 471 | rhd (:,:,:) = 0.e0 |
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| 472 | rhop (:,:,:) = 0.e0 |
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| 473 | rn2 (:,:,:) = 0.e0 |
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| 474 | ! |
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| 475 | END SUBROUTINE istate_init |
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| 476 | |
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| 477 | |
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| 478 | SUBROUTINE stp_ctl( kt, kindic ) |
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| 479 | !!---------------------------------------------------------------------- |
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| 480 | !! *** ROUTINE stp_ctl *** |
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| 481 | !! |
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| 482 | !! ** Purpose : Control the run |
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| 483 | !! |
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| 484 | !! ** Method : - Save the time step in numstp |
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| 485 | !! |
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| 486 | !! ** Actions : 'time.step' file containing the last ocean time-step |
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| 487 | !!---------------------------------------------------------------------- |
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| 488 | INTEGER, INTENT(in ) :: kt ! ocean time-step index |
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| 489 | INTEGER, INTENT(inout) :: kindic ! indicator of solver convergence |
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| 490 | !!---------------------------------------------------------------------- |
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| 491 | ! |
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| 492 | IF( kt == nit000 .AND. lwp ) THEN |
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| 493 | WRITE(numout,*) |
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| 494 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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| 495 | WRITE(numout,*) '~~~~~~~' |
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| 496 | ! open time.step file |
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| 497 | CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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| 498 | ENDIF |
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| 499 | ! |
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| 500 | IF(lwp) WRITE ( numstp, '(1x, i8)' ) kt !* save the current time step in numstp |
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| 501 | IF(lwp) REWIND( numstp ) ! -------------------------- |
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| 502 | ! |
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| 503 | END SUBROUTINE stp_ctl |
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| 504 | !!====================================================================== |
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| 505 | END MODULE nemogcm |
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