[268] | 1 | MODULE trcrst |
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[335] | 2 | !!====================================================================== |
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[1801] | 3 | !! *** MODULE trcrst *** |
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| 4 | !! TOP : Manage the passive tracer restart |
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[335] | 5 | !!====================================================================== |
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[1801] | 6 | !! History : - ! 1991-03 () original code |
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| 7 | !! 1.0 ! 2005-03 (O. Aumont, A. El Moussaoui) F90 |
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| 8 | !! - ! 2005-10 (C. Ethe) print control |
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| 9 | !! 2.0 ! 2005-10 (C. Ethe, G. Madec) revised architecture |
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[274] | 10 | !!---------------------------------------------------------------------- |
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[945] | 11 | #if defined key_top |
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[335] | 12 | !!---------------------------------------------------------------------- |
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[945] | 13 | !! 'key_top' TOP models |
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| 14 | !!---------------------------------------------------------------------- |
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[1801] | 15 | !!---------------------------------------------------------------------- |
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| 16 | !! trc_rst : Restart for passive tracer |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | !!---------------------------------------------------------------------- |
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| 19 | !! 'key_top' TOP models |
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| 20 | !!---------------------------------------------------------------------- |
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[945] | 21 | !! trc_rst_opn : open restart file |
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| 22 | !! trc_rst_read : read restart file |
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| 23 | !! trc_rst_wri : write restart file |
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| 24 | !!---------------------------------------------------------------------- |
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[335] | 25 | USE oce_trc |
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| 26 | USE trc |
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[2528] | 27 | USE trcnam_trp |
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[616] | 28 | USE iom |
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[2528] | 29 | USE daymod |
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[335] | 30 | IMPLICIT NONE |
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| 31 | PRIVATE |
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[1801] | 32 | |
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[945] | 33 | PUBLIC trc_rst_opn ! called by ??? |
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| 34 | PUBLIC trc_rst_read ! called by ??? |
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| 35 | PUBLIC trc_rst_wri ! called by ??? |
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[3294] | 36 | PUBLIC trc_rst_cal |
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[1801] | 37 | |
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[350] | 38 | !! * Substitutions |
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[945] | 39 | # include "top_substitute.h90" |
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[335] | 40 | |
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[268] | 41 | CONTAINS |
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[335] | 42 | |
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[616] | 43 | SUBROUTINE trc_rst_opn( kt ) |
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| 44 | !!---------------------------------------------------------------------- |
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| 45 | !! *** trc_rst_opn *** |
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| 46 | !! |
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| 47 | !! ** purpose : output of sea-trc variable in a netcdf file |
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| 48 | !!---------------------------------------------------------------------- |
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| 49 | INTEGER, INTENT(in) :: kt ! number of iteration |
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| 50 | ! |
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| 51 | CHARACTER(LEN=20) :: clkt ! ocean time-step define as a character |
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| 52 | CHARACTER(LEN=50) :: clname ! trc output restart file name |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | ! |
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[2528] | 55 | IF( lk_offline ) THEN |
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[3294] | 56 | IF( kt == nittrc000 ) THEN |
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[2528] | 57 | lrst_trc = .FALSE. |
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| 58 | nitrst = nitend |
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| 59 | ENDIF |
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| 60 | |
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| 61 | IF( MOD( kt - 1, nstock ) == 0 ) THEN |
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[3294] | 62 | ! we use kt - 1 and not kt - nittrc000 to keep the same periodicity from the beginning of the experiment |
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[2528] | 63 | nitrst = kt + nstock - 1 ! define the next value of nitrst for restart writing |
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| 64 | IF( nitrst > nitend ) nitrst = nitend ! make sure we write a restart at the end of the run |
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| 65 | ENDIF |
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| 66 | ELSE |
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[3294] | 67 | IF( kt == nittrc000 ) lrst_trc = .FALSE. |
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[1655] | 68 | ENDIF |
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| 69 | |
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[2528] | 70 | ! to get better performances with NetCDF format: |
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| 71 | ! we open and define the tracer restart file one tracer time step before writing the data (-> at nitrst - 2*nn_dttrc + 1) |
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| 72 | ! except if we write tracer restart files every tracer time step or if a tracer restart file was writen at nitend - 2*nn_dttrc + 1 |
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[3294] | 73 | IF( kt == nitrst - 2*nn_dttrc .OR. nstock == nn_dttrc .OR. ( kt == nitend - nn_dttrc .AND. .NOT. lrst_trc ) ) THEN |
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[616] | 74 | ! beware of the format used to write kt (default is i8.8, that should be large enough) |
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[945] | 75 | IF( nitrst > 1.0e9 ) THEN ; WRITE(clkt,* ) nitrst |
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| 76 | ELSE ; WRITE(clkt,'(i8.8)') nitrst |
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[616] | 77 | ENDIF |
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| 78 | ! create the file |
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| 79 | IF(lwp) WRITE(numout,*) |
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[1254] | 80 | clname = TRIM(cexper)//"_"//TRIM(ADJUSTL(clkt))//"_"//TRIM(cn_trcrst_out) |
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[616] | 81 | IF(lwp) WRITE(numout,*) ' open trc restart.output NetCDF file: '//clname |
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| 82 | CALL iom_open( clname, numrtw, ldwrt = .TRUE., kiolib = jprstlib ) |
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| 83 | lrst_trc = .TRUE. |
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| 84 | ENDIF |
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| 85 | ! |
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| 86 | END SUBROUTINE trc_rst_opn |
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| 87 | |
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[1801] | 88 | SUBROUTINE trc_rst_read |
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[945] | 89 | !!---------------------------------------------------------------------- |
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| 90 | !! *** trc_rst_opn *** |
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[335] | 91 | !! |
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[945] | 92 | !! ** purpose : read passive tracer fields in restart files |
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| 93 | !!---------------------------------------------------------------------- |
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[1801] | 94 | INTEGER :: jn |
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[1287] | 95 | |
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[945] | 96 | !!---------------------------------------------------------------------- |
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[3294] | 97 | ! |
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[945] | 98 | IF(lwp) WRITE(numout,*) |
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[3294] | 99 | IF(lwp) WRITE(numout,*) 'trc_rst_read : read data in the TOP restart file' |
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[945] | 100 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~' |
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[350] | 101 | |
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[945] | 102 | ! READ prognostic variables and computes diagnostic variable |
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[494] | 103 | DO jn = 1, jptra |
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[1801] | 104 | CALL iom_get( numrtr, jpdom_autoglo, 'TRN'//ctrcnm(jn), trn(:,:,:,jn) ) |
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[335] | 105 | END DO |
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[1077] | 106 | |
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[1287] | 107 | DO jn = 1, jptra |
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[1801] | 108 | CALL iom_get( numrtr, jpdom_autoglo, 'TRB'//ctrcnm(jn), trb(:,:,:,jn) ) |
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[1077] | 109 | END DO |
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[945] | 110 | ! |
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| 111 | END SUBROUTINE trc_rst_read |
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[494] | 112 | |
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[945] | 113 | SUBROUTINE trc_rst_wri( kt ) |
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| 114 | !!---------------------------------------------------------------------- |
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| 115 | !! *** trc_rst_wri *** |
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[335] | 116 | !! |
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[945] | 117 | !! ** purpose : write passive tracer fields in restart files |
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| 118 | !!---------------------------------------------------------------------- |
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| 119 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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[335] | 120 | !! |
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[1287] | 121 | INTEGER :: jn |
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| 122 | REAL(wp) :: zarak0 |
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[945] | 123 | !!---------------------------------------------------------------------- |
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[3294] | 124 | ! |
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[2528] | 125 | CALL iom_rstput( kt, nitrst, numrtw, 'rdttrc1', rdttrc(1) ) ! surface passive tracer time step |
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[1801] | 126 | ! prognostic variables |
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| 127 | ! -------------------- |
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[1100] | 128 | DO jn = 1, jptra |
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| 129 | CALL iom_rstput( kt, nitrst, numrtw, 'TRN'//ctrcnm(jn), trn(:,:,:,jn) ) |
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| 130 | END DO |
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[1077] | 131 | |
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[1100] | 132 | DO jn = 1, jptra |
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| 133 | CALL iom_rstput( kt, nitrst, numrtw, 'TRB'//ctrcnm(jn), trb(:,:,:,jn) ) |
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| 134 | END DO |
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[3680] | 135 | ! |
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[1287] | 136 | IF( kt == nitrst ) THEN |
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[1119] | 137 | CALL trc_rst_stat ! statistics |
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[1100] | 138 | CALL iom_close( numrtw ) ! close the restart file (only at last time step) |
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[1177] | 139 | #if ! defined key_trdmld_trc |
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[1100] | 140 | lrst_trc = .FALSE. |
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[1177] | 141 | #endif |
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[1287] | 142 | ENDIF |
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[945] | 143 | ! |
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[1801] | 144 | END SUBROUTINE trc_rst_wri |
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[268] | 145 | |
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[1801] | 146 | |
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[1287] | 147 | SUBROUTINE trc_rst_cal( kt, cdrw ) |
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| 148 | !!--------------------------------------------------------------------- |
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| 149 | !! *** ROUTINE trc_rst_cal *** |
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| 150 | !! |
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| 151 | !! ** Purpose : Read or write calendar in restart file: |
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| 152 | !! |
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| 153 | !! WRITE(READ) mode: |
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| 154 | !! kt : number of time step since the begining of the experiment at the |
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| 155 | !! end of the current(previous) run |
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| 156 | !! adatrj(0) : number of elapsed days since the begining of the experiment at the |
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| 157 | !! end of the current(previous) run (REAL -> keep fractions of day) |
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| 158 | !! ndastp : date at the end of the current(previous) run (coded as yyyymmdd integer) |
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| 159 | !! |
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| 160 | !! According to namelist parameter nrstdt, |
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[3294] | 161 | !! nn_rsttr = 0 no control on the date (nittrc000 is arbitrary). |
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| 162 | !! nn_rsttr = 1 we verify that nittrc000 is equal to the last |
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[1287] | 163 | !! time step of previous run + 1. |
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| 164 | !! In both those options, the exact duration of the experiment |
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| 165 | !! since the beginning (cumulated duration of all previous restart runs) |
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[3294] | 166 | !! is not stored in the restart and is assumed to be (nittrc000-1)*rdt. |
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[1287] | 167 | !! This is valid is the time step has remained constant. |
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| 168 | !! |
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[2528] | 169 | !! nn_rsttr = 2 the duration of the experiment in days (adatrj) |
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[1287] | 170 | !! has been stored in the restart file. |
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| 171 | !!---------------------------------------------------------------------- |
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| 172 | INTEGER , INTENT(in) :: kt ! ocean time-step |
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| 173 | CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
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| 174 | ! |
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[3294] | 175 | INTEGER :: jlibalt = jprstlib |
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| 176 | LOGICAL :: llok |
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[2528] | 177 | REAL(wp) :: zkt, zrdttrc1 |
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[1287] | 178 | REAL(wp) :: zndastp |
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| 179 | |
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| 180 | ! Time domain : restart |
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| 181 | ! --------------------- |
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| 182 | |
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| 183 | IF( TRIM(cdrw) == 'READ' ) THEN |
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[3294] | 184 | |
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| 185 | IF(lwp) WRITE(numout,*) |
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| 186 | IF(lwp) WRITE(numout,*) 'trc_rst_cal : read the TOP restart file for calendar' |
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| 187 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~' |
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| 188 | |
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| 189 | IF ( jprstlib == jprstdimg ) THEN |
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| 190 | ! eventually read netcdf file (monobloc) for restarting on different number of processors |
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| 191 | ! if {cn_trcrst_in}.nc exists, then set jlibalt to jpnf90 |
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| 192 | INQUIRE( FILE = TRIM(cn_trcrst_in)//'.nc', EXIST = llok ) |
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| 193 | IF ( llok ) THEN ; jlibalt = jpnf90 ; ELSE ; jlibalt = jprstlib ; ENDIF |
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| 194 | ENDIF |
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| 195 | |
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| 196 | CALL iom_open( cn_trcrst_in, numrtr, kiolib = jlibalt ) |
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| 197 | |
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[1287] | 198 | CALL iom_get ( numrtr, 'kt', zkt ) ! last time-step of previous run |
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[4152] | 199 | |
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[1287] | 200 | IF(lwp) THEN |
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| 201 | WRITE(numout,*) ' *** Info read in restart : ' |
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| 202 | WRITE(numout,*) ' previous time-step : ', NINT( zkt ) |
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| 203 | WRITE(numout,*) ' *** restart option' |
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[2528] | 204 | SELECT CASE ( nn_rsttr ) |
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[3294] | 205 | CASE ( 0 ) ; WRITE(numout,*) ' nn_rsttr = 0 : no control of nittrc000' |
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| 206 | CASE ( 1 ) ; WRITE(numout,*) ' nn_rsttr = 1 : no control the date at nittrc000 (use ndate0 read in the namelist)' |
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[2528] | 207 | CASE ( 2 ) ; WRITE(numout,*) ' nn_rsttr = 2 : calendar parameters read in restart' |
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[1287] | 208 | END SELECT |
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| 209 | WRITE(numout,*) |
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| 210 | ENDIF |
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| 211 | ! Control of date |
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[3294] | 212 | IF( nittrc000 - NINT( zkt ) /= nn_dttrc .AND. nn_rsttr /= 0 ) & |
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| 213 | & CALL ctl_stop( ' ===>>>> : problem with nittrc000 for the restart', & |
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[2528] | 214 | & ' verify the restart file or rerun with nn_rsttr = 0 (namelist)' ) |
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| 215 | IF( lk_offline ) THEN ! set the date in offline mode |
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| 216 | ! Check dynamics and tracer time-step consistency and force Euler restart if changed |
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| 217 | IF( iom_varid( numrtr, 'rdttrc1', ldstop = .FALSE. ) > 0 ) THEN |
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| 218 | CALL iom_get( numrtr, 'rdttrc1', zrdttrc1 ) |
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[4152] | 219 | IF( zrdttrc1 /= rdt * nn_dttrc ) neuler = 0 |
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[2528] | 220 | ENDIF |
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| 221 | ! ! define ndastp and adatrj |
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[4152] | 222 | IF( nn_rsttr == 2 ) THEN |
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[2528] | 223 | CALL iom_get( numrtr, 'ndastp', zndastp ) |
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| 224 | ndastp = NINT( zndastp ) |
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| 225 | CALL iom_get( numrtr, 'adatrj', adatrj ) |
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| 226 | ELSE |
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| 227 | ndastp = ndate0 - 1 ! ndate0 read in the namelist in dom_nam |
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[3294] | 228 | adatrj = ( REAL( nittrc000-1, wp ) * rdttra(1) ) / rday |
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[2528] | 229 | ! note this is wrong if time step has changed during run |
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| 230 | ENDIF |
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| 231 | ! |
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| 232 | IF(lwp) THEN |
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| 233 | WRITE(numout,*) ' *** Info used values : ' |
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| 234 | WRITE(numout,*) ' date ndastp : ', ndastp |
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| 235 | WRITE(numout,*) ' number of elapsed days since the begining of run : ', adatrj |
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| 236 | WRITE(numout,*) |
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| 237 | ENDIF |
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| 238 | ! |
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| 239 | CALL day_init ! compute calendar |
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| 240 | ! |
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[1287] | 241 | ENDIF |
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| 242 | ! |
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| 243 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN |
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| 244 | ! |
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| 245 | IF( kt == nitrst ) THEN |
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| 246 | IF(lwp) WRITE(numout,*) |
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| 247 | IF(lwp) WRITE(numout,*) 'trc_wri : write the TOP restart file (NetCDF) at it= ', kt, ' date= ', ndastp |
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| 248 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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| 249 | ENDIF |
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| 250 | CALL iom_rstput( kt, nitrst, numrtw, 'kt' , REAL( kt , wp) ) ! time-step |
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| 251 | CALL iom_rstput( kt, nitrst, numrtw, 'ndastp' , REAL( ndastp, wp) ) ! date |
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| 252 | CALL iom_rstput( kt, nitrst, numrtw, 'adatrj' , adatrj ) ! number of elapsed days since |
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| 253 | ! ! the begining of the run [s] |
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| 254 | ENDIF |
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| 255 | |
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| 256 | END SUBROUTINE trc_rst_cal |
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| 257 | |
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[1119] | 258 | |
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| 259 | SUBROUTINE trc_rst_stat |
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| 260 | !!---------------------------------------------------------------------- |
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| 261 | !! *** trc_rst_stat *** |
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| 262 | !! |
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| 263 | !! ** purpose : Compute tracers statistics |
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| 264 | !!---------------------------------------------------------------------- |
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[3294] | 265 | INTEGER :: jk, jn |
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| 266 | REAL(wp) :: ztraf, zmin, zmax, zmean, zdrift |
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[1119] | 267 | !!---------------------------------------------------------------------- |
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| 268 | |
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| 269 | IF( lwp ) THEN |
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| 270 | WRITE(numout,*) |
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| 271 | WRITE(numout,*) ' ----TRACER STAT---- ' |
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| 272 | WRITE(numout,*) |
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| 273 | ENDIF |
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[3294] | 274 | ! |
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[1119] | 275 | DO jn = 1, jptra |
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[3294] | 276 | ztraf = glob_sum( trn(:,:,:,jn) * cvol(:,:,:) ) |
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| 277 | zmin = MINVAL( trn(:,:,:,jn), mask= ((tmask*SPREAD(tmask_i,DIM=3,NCOPIES=jpk).NE.0.)) ) |
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| 278 | zmax = MAXVAL( trn(:,:,:,jn), mask= ((tmask*SPREAD(tmask_i,DIM=3,NCOPIES=jpk).NE.0.)) ) |
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[1119] | 279 | IF( lk_mpp ) THEN |
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[3294] | 280 | CALL mpp_min( zmin ) ! min over the global domain |
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| 281 | CALL mpp_max( zmax ) ! max over the global domain |
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[1119] | 282 | END IF |
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[3294] | 283 | zmean = ztraf / areatot |
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| 284 | zdrift = ( ( ztraf - trai(jn) ) / ( trai(jn) + 1.e-12 ) ) * 100._wp |
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| 285 | IF(lwp) WRITE(numout,9000) jn, TRIM( ctrcnm(jn) ), zmean, zmin, zmax, zdrift |
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[1119] | 286 | END DO |
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[3294] | 287 | WRITE(numout,*) |
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| 288 | 9000 FORMAT(' tracer nb :',i2,' name :',a10,' mean :',e18.10,' min :',e18.10, & |
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| 289 | & ' max :',e18.10,' drift :',e18.10, ' %') |
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| 290 | ! |
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[1119] | 291 | END SUBROUTINE trc_rst_stat |
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| 292 | |
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[268] | 293 | #else |
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[945] | 294 | !!---------------------------------------------------------------------- |
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| 295 | !! Dummy module : No passive tracer |
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| 296 | !!---------------------------------------------------------------------- |
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[335] | 297 | CONTAINS |
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[945] | 298 | SUBROUTINE trc_rst_read ! Empty routines |
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[616] | 299 | END SUBROUTINE trc_rst_read |
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[945] | 300 | SUBROUTINE trc_rst_wri( kt ) |
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[335] | 301 | INTEGER, INTENT ( in ) :: kt |
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[616] | 302 | WRITE(*,*) 'trc_rst_wri: You should not have seen this print! error?', kt |
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[945] | 303 | END SUBROUTINE trc_rst_wri |
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[268] | 304 | #endif |
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[945] | 305 | |
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[2528] | 306 | !!---------------------------------------------------------------------- |
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| 307 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 308 | !! $Id$ |
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| 309 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[945] | 310 | !!====================================================================== |
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[335] | 311 | END MODULE trcrst |
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