[3] | 1 | MODULE stpctl |
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[1489] | 2 | !!====================================================================== |
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[3] | 3 | !! *** MODULE stpctl *** |
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| 4 | !! Ocean run control : gross check of the ocean time stepping |
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[1489] | 5 | !!====================================================================== |
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| 6 | !! History : OPA ! 1991-03 (G. Madec) Original code |
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| 7 | !! 6.0 ! 1992-06 (M. Imbard) |
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| 8 | !! 8.0 ! 1997-06 (A.M. Treguier) |
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| 9 | !! NEMO 1.0 ! 2002-06 (G. Madec) F90: Free form and module |
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| 10 | !! 2.0 ! 2009-07 (G. Madec) Add statistic for time-spliting |
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| 11 | !!---------------------------------------------------------------------- |
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[3] | 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! stp_ctl : Control the run |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce ! ocean dynamics and tracers variables |
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| 17 | USE dom_oce ! ocean space and time domain variables |
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[6140] | 18 | USE c1d ! 1D vertical configuration |
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| 19 | ! |
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[3] | 20 | USE in_out_manager ! I/O manager |
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| 21 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 22 | USE lib_mpp ! distributed memory computing |
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[7852] | 23 | USE lib_fortran ! Fortran routines library |
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[3] | 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | PRIVATE |
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| 27 | |
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| 28 | PUBLIC stp_ctl ! routine called by step.F90 |
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| 29 | !!---------------------------------------------------------------------- |
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[2528] | 30 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1489] | 31 | !! $Id$ |
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[2528] | 32 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1489] | 33 | !!---------------------------------------------------------------------- |
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[3] | 34 | CONTAINS |
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| 35 | |
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| 36 | SUBROUTINE stp_ctl( kt, kindic ) |
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| 37 | !!---------------------------------------------------------------------- |
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| 38 | !! *** ROUTINE stp_ctl *** |
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| 39 | !! |
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| 40 | !! ** Purpose : Control the run |
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| 41 | !! |
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| 42 | !! ** Method : - Save the time step in numstp |
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| 43 | !! - Print it each 50 time steps |
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[5930] | 44 | !! - Stop the run IF problem ( indic < 0 ) |
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[3] | 45 | !! |
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[1489] | 46 | !! ** Actions : 'time.step' file containing the last ocean time-step |
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| 47 | !! |
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[3] | 48 | !!---------------------------------------------------------------------- |
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[6140] | 49 | INTEGER, INTENT(in ) :: kt ! ocean time-step index |
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| 50 | INTEGER, INTENT(inout) :: kindic ! error indicator |
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[1489] | 51 | !! |
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[6140] | 52 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 53 | INTEGER :: ii, ij, ik ! local integers |
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[7852] | 54 | REAL(wp) :: zumax, zsmin, zssh2, zsshmax ! local scalars |
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[6140] | 55 | INTEGER, DIMENSION(3) :: ilocu ! |
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| 56 | INTEGER, DIMENSION(2) :: ilocs ! |
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[3] | 57 | !!---------------------------------------------------------------------- |
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[6140] | 58 | ! |
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[3] | 59 | IF( kt == nit000 .AND. lwp ) THEN |
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| 60 | WRITE(numout,*) |
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| 61 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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[79] | 62 | WRITE(numout,*) '~~~~~~~' |
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[3] | 63 | ! open time.step file |
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[1581] | 64 | CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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[3] | 65 | ENDIF |
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[6140] | 66 | ! |
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[1489] | 67 | IF(lwp) WRITE ( numstp, '(1x, i8)' ) kt !* save the current time step in numstp |
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| 68 | IF(lwp) REWIND( numstp ) ! -------------------------- |
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[6140] | 69 | ! |
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[1489] | 70 | ! !* Test maximum of velocity (zonal only) |
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| 71 | ! ! ------------------------ |
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| 72 | !! zumax = MAXVAL( ABS( un(:,:,:) ) ) ! slower than the following loop on NEC SX5 |
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[79] | 73 | zumax = 0.e0 |
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[3] | 74 | DO jk = 1, jpk |
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| 75 | DO jj = 1, jpj |
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| 76 | DO ji = 1, jpi |
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| 77 | zumax = MAX(zumax,ABS(un(ji,jj,jk))) |
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| 78 | END DO |
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| 79 | END DO |
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| 80 | END DO |
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[1489] | 81 | IF( lk_mpp ) CALL mpp_max( zumax ) ! max over the global domain |
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| 82 | ! |
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| 83 | IF( MOD( kt, nwrite ) == 1 .AND. lwp ) WRITE(numout,*) ' ==>> time-step= ',kt,' abs(U) max: ', zumax |
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| 84 | ! |
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[1561] | 85 | IF( zumax > 20.e0 ) THEN |
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[417] | 86 | IF( lk_mpp ) THEN |
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| 87 | CALL mpp_maxloc(ABS(un),umask,zumax,ii,ij,ik) |
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[181] | 88 | ELSE |
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[417] | 89 | ilocu = MAXLOC( ABS( un(:,:,:) ) ) |
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| 90 | ii = ilocu(1) + nimpp - 1 |
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| 91 | ij = ilocu(2) + njmpp - 1 |
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| 92 | ik = ilocu(3) |
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[15] | 93 | ENDIF |
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[3] | 94 | IF(lwp) THEN |
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| 95 | WRITE(numout,cform_err) |
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| 96 | WRITE(numout,*) ' stpctl: the zonal velocity is larger than 20 m/s' |
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| 97 | WRITE(numout,*) ' ====== ' |
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| 98 | WRITE(numout,9400) kt, zumax, ii, ij, ik |
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| 99 | WRITE(numout,*) |
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| 100 | WRITE(numout,*) ' output of last fields in numwso' |
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| 101 | ENDIF |
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[1561] | 102 | kindic = -3 |
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[3] | 103 | ENDIF |
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[1442] | 104 | 9400 FORMAT (' kt=',i6,' max abs(U): ',1pg11.4,', i j k: ',3i5) |
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[6140] | 105 | ! |
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[1489] | 106 | ! !* Test minimum of salinity |
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| 107 | ! ! ------------------------ |
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[3294] | 108 | !! zsmin = MINVAL( tsn(:,:,1,jp_sal), mask = tmask(:,:,1) == 1.e0 ) slower than the following loop on NEC SX5 |
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[6140] | 109 | zsmin = 100._wp |
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[3] | 110 | DO jj = 2, jpjm1 |
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| 111 | DO ji = 1, jpi |
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[3294] | 112 | IF( tmask(ji,jj,1) == 1) zsmin = MIN(zsmin,tsn(ji,jj,1,jp_sal)) |
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[3] | 113 | END DO |
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| 114 | END DO |
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[1489] | 115 | IF( lk_mpp ) CALL mpp_min( zsmin ) ! min over the global domain |
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| 116 | ! |
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| 117 | IF( MOD( kt, nwrite ) == 1 .AND. lwp ) WRITE(numout,*) ' ==>> time-step= ',kt,' SSS min:', zsmin |
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| 118 | ! |
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[3] | 119 | IF( zsmin < 0.) THEN |
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[181] | 120 | IF (lk_mpp) THEN |
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[3294] | 121 | CALL mpp_minloc ( tsn(:,:,1,jp_sal),tmask(:,:,1), zsmin, ii,ij ) |
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[181] | 122 | ELSE |
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[3294] | 123 | ilocs = MINLOC( tsn(:,:,1,jp_sal), mask = tmask(:,:,1) == 1.e0 ) |
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[181] | 124 | ii = ilocs(1) + nimpp - 1 |
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| 125 | ij = ilocs(2) + njmpp - 1 |
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[1489] | 126 | ENDIF |
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| 127 | ! |
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[3] | 128 | IF(lwp) THEN |
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| 129 | WRITE(numout,cform_err) |
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| 130 | WRITE(numout,*) 'stp_ctl : NEGATIVE sea surface salinity' |
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| 131 | WRITE(numout,*) '======= ' |
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| 132 | WRITE(numout,9500) kt, zsmin, ii, ij |
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| 133 | WRITE(numout,*) |
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| 134 | WRITE(numout,*) ' output of last fields in numwso' |
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| 135 | ENDIF |
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[1561] | 136 | kindic = -3 |
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[3] | 137 | ENDIF |
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[1442] | 138 | 9500 FORMAT (' kt=',i6,' min SSS: ',1pg11.4,', i j: ',2i5) |
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[6140] | 139 | ! |
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| 140 | ! |
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[2528] | 141 | IF( lk_c1d ) RETURN ! No log file in case of 1D vertical configuration |
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| 142 | |
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[5930] | 143 | ! log file (ssh statistics) |
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| 144 | ! -------- !* ssh statistics (and others...) |
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| 145 | IF( kt == nit000 .AND. lwp ) THEN ! open ssh statistics file (put in solver.stat file) |
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| 146 | CALL ctl_opn( numsol, 'solver.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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[1489] | 147 | ENDIF |
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[5930] | 148 | ! |
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[7852] | 149 | zsshmax = 0.e0 |
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| 150 | DO jj = 1, jpj |
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| 151 | DO ji = 1, jpi |
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| 152 | IF( tmask(ji,jj,1) == 1) zsshmax = MAX( zsshmax, ABS(sshn(ji,jj)) ) |
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| 153 | END DO |
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| 154 | END DO |
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| 155 | IF( lk_mpp ) CALL mpp_max( zsshmax ) ! min over the global domain |
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[5930] | 156 | ! |
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[7852] | 157 | IF( MOD( kt, nwrite ) == 1 .AND. lwp ) WRITE(numout,*) ' ==>> time-step= ',kt,' ssh max:', zsshmax |
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[5930] | 158 | ! |
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[7852] | 159 | IF( zsshmax > 10.e0 ) THEN |
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| 160 | IF (lk_mpp) THEN |
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| 161 | CALL mpp_maxloc( ABS(sshn(:,:)),tmask(:,:,1),zsshmax,ii,ij) |
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| 162 | ELSE |
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| 163 | ilocs = MAXLOC( ABS(sshn(:,:)) ) |
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| 164 | ii = ilocs(1) + nimpp - 1 |
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| 165 | ij = ilocs(2) + njmpp - 1 |
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| 166 | ENDIF |
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| 167 | ! |
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| 168 | IF(lwp) THEN |
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| 169 | WRITE(numout,cform_err) |
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| 170 | WRITE(numout,*) 'stp_ctl : the ssh is larger than 10m' |
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| 171 | WRITE(numout,*) '======= ' |
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| 172 | WRITE(numout,9600) kt, zsshmax, ii, ij |
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| 173 | WRITE(numout,*) |
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| 174 | WRITE(numout,*) ' output of last fields in numwso' |
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| 175 | ENDIF |
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| 176 | kindic = -3 |
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| 177 | ENDIF |
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| 178 | 9600 FORMAT (' kt=',i6,' max ssh: ',1pg11.4,', i j: ',2i5) |
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[1489] | 179 | ! |
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[7852] | 180 | zssh2 = glob_sum( sshn(:,:) * sshn(:,:) ) |
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| 181 | ! |
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| 182 | IF(lwp) WRITE(numsol,9700) kt, zssh2, zumax, zsmin ! ssh statistics |
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| 183 | ! |
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| 184 | 9700 FORMAT(' it :', i8, ' ssh2: ', d23.16, ' Umax: ',d23.16,' Smin: ',d23.16) |
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| 185 | ! |
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[3] | 186 | END SUBROUTINE stp_ctl |
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| 187 | |
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| 188 | !!====================================================================== |
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| 189 | END MODULE stpctl |
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