[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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| 18 | USE sol_oce ! ocean space and time domain variables |
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[6487] | 19 | USE sbc_oce ! surface boundary conditions variables |
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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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[367] | 23 | USE dynspg_oce ! pressure gradient schemes |
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[2528] | 24 | USE c1d ! 1D vertical configuration |
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[3] | 25 | |
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[6487] | 26 | |
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[3] | 27 | IMPLICIT NONE |
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| 28 | PRIVATE |
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| 29 | |
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| 30 | PUBLIC stp_ctl ! routine called by step.F90 |
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| 31 | !!---------------------------------------------------------------------- |
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[2528] | 32 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1489] | 33 | !! $Id$ |
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[2528] | 34 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1489] | 35 | !!---------------------------------------------------------------------- |
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[3] | 36 | |
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| 37 | CONTAINS |
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| 38 | |
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| 39 | SUBROUTINE stp_ctl( kt, kindic ) |
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| 40 | !!---------------------------------------------------------------------- |
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| 41 | !! *** ROUTINE stp_ctl *** |
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| 42 | !! |
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| 43 | !! ** Purpose : Control the run |
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| 44 | !! |
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| 45 | !! ** Method : - Save the time step in numstp |
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| 46 | !! - Print it each 50 time steps |
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| 47 | !! - Print solver statistics in numsol |
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| 48 | !! - Stop the run IF problem for the solver ( indec < 0 ) |
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| 49 | !! |
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[1489] | 50 | !! ** Actions : 'time.step' file containing the last ocean time-step |
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| 51 | !! |
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[3] | 52 | !!---------------------------------------------------------------------- |
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| 53 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 54 | INTEGER, INTENT( inout ) :: kindic ! indicator of solver convergence |
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[1489] | 55 | !! |
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[6487] | 56 | CHARACTER(len = 32) :: clfname ! time stepping output file name |
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[3] | 57 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 58 | INTEGER :: ii, ij, ik ! temporary integers |
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[1489] | 59 | REAL(wp) :: zumax, zsmin, zssh2 ! temporary scalars |
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[9245] | 60 | REAL(wp) :: ztmax, ztmin ! Scalar to get temperature extreme |
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| 61 | ! values and warn if they're out of Range |
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[3] | 62 | INTEGER, DIMENSION(3) :: ilocu ! |
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| 63 | INTEGER, DIMENSION(2) :: ilocs ! |
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| 64 | !!---------------------------------------------------------------------- |
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| 65 | |
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| 66 | IF( kt == nit000 .AND. lwp ) THEN |
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| 67 | WRITE(numout,*) |
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| 68 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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[79] | 69 | WRITE(numout,*) '~~~~~~~' |
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[6487] | 70 | ! open time.step file with special treatment for SAS |
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| 71 | IF ( nn_components == jp_iam_sas ) THEN |
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| 72 | clfname = 'time.step.sas' |
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| 73 | ELSE |
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| 74 | clfname = 'time.step' |
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| 75 | ENDIF |
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| 76 | CALL ctl_opn( numstp, TRIM(clfname), 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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[3] | 77 | ENDIF |
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| 78 | |
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[1489] | 79 | IF(lwp) WRITE ( numstp, '(1x, i8)' ) kt !* save the current time step in numstp |
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| 80 | IF(lwp) REWIND( numstp ) ! -------------------------- |
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[3] | 81 | |
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[1489] | 82 | ! !* Test maximum of velocity (zonal only) |
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| 83 | ! ! ------------------------ |
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| 84 | !! zumax = MAXVAL( ABS( un(:,:,:) ) ) ! slower than the following loop on NEC SX5 |
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[79] | 85 | zumax = 0.e0 |
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[3] | 86 | DO jk = 1, jpk |
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| 87 | DO jj = 1, jpj |
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| 88 | DO ji = 1, jpi |
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| 89 | zumax = MAX(zumax,ABS(un(ji,jj,jk))) |
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| 90 | END DO |
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| 91 | END DO |
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| 92 | END DO |
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[1489] | 93 | IF( lk_mpp ) CALL mpp_max( zumax ) ! max over the global domain |
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| 94 | ! |
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| 95 | IF( MOD( kt, nwrite ) == 1 .AND. lwp ) WRITE(numout,*) ' ==>> time-step= ',kt,' abs(U) max: ', zumax |
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| 96 | ! |
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[1561] | 97 | IF( zumax > 20.e0 ) THEN |
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[417] | 98 | IF( lk_mpp ) THEN |
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| 99 | CALL mpp_maxloc(ABS(un),umask,zumax,ii,ij,ik) |
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[181] | 100 | ELSE |
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[417] | 101 | ilocu = MAXLOC( ABS( un(:,:,:) ) ) |
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| 102 | ii = ilocu(1) + nimpp - 1 |
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| 103 | ij = ilocu(2) + njmpp - 1 |
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| 104 | ik = ilocu(3) |
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[15] | 105 | ENDIF |
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[3] | 106 | IF(lwp) THEN |
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| 107 | WRITE(numout,cform_err) |
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| 108 | WRITE(numout,*) ' stpctl: the zonal velocity is larger than 20 m/s' |
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| 109 | WRITE(numout,*) ' ====== ' |
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| 110 | WRITE(numout,9400) kt, zumax, ii, ij, ik |
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| 111 | WRITE(numout,*) |
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| 112 | WRITE(numout,*) ' output of last fields in numwso' |
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| 113 | ENDIF |
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[1561] | 114 | kindic = -3 |
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[3] | 115 | ENDIF |
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[1442] | 116 | 9400 FORMAT (' kt=',i6,' max abs(U): ',1pg11.4,', i j k: ',3i5) |
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[3] | 117 | |
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[1489] | 118 | ! !* Test minimum of salinity |
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| 119 | ! ! ------------------------ |
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[3294] | 120 | !! zsmin = MINVAL( tsn(:,:,1,jp_sal), mask = tmask(:,:,1) == 1.e0 ) slower than the following loop on NEC SX5 |
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[79] | 121 | zsmin = 100.e0 |
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[3] | 122 | DO jj = 2, jpjm1 |
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| 123 | DO ji = 1, jpi |
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[3294] | 124 | IF( tmask(ji,jj,1) == 1) zsmin = MIN(zsmin,tsn(ji,jj,1,jp_sal)) |
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[3] | 125 | END DO |
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| 126 | END DO |
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[1489] | 127 | IF( lk_mpp ) CALL mpp_min( zsmin ) ! min over the global domain |
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| 128 | ! |
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| 129 | IF( MOD( kt, nwrite ) == 1 .AND. lwp ) WRITE(numout,*) ' ==>> time-step= ',kt,' SSS min:', zsmin |
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| 130 | ! |
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[3] | 131 | IF( zsmin < 0.) THEN |
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[181] | 132 | IF (lk_mpp) THEN |
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[3294] | 133 | CALL mpp_minloc ( tsn(:,:,1,jp_sal),tmask(:,:,1), zsmin, ii,ij ) |
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[181] | 134 | ELSE |
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[3294] | 135 | ilocs = MINLOC( tsn(:,:,1,jp_sal), mask = tmask(:,:,1) == 1.e0 ) |
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[181] | 136 | ii = ilocs(1) + nimpp - 1 |
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| 137 | ij = ilocs(2) + njmpp - 1 |
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[1489] | 138 | ENDIF |
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| 139 | ! |
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[3] | 140 | IF(lwp) THEN |
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| 141 | WRITE(numout,cform_err) |
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| 142 | WRITE(numout,*) 'stp_ctl : NEGATIVE sea surface salinity' |
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| 143 | WRITE(numout,*) '======= ' |
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| 144 | WRITE(numout,9500) kt, zsmin, ii, ij |
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| 145 | WRITE(numout,*) |
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| 146 | WRITE(numout,*) ' output of last fields in numwso' |
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| 147 | ENDIF |
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[1561] | 148 | kindic = -3 |
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[3] | 149 | ENDIF |
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[1442] | 150 | 9500 FORMAT (' kt=',i6,' min SSS: ',1pg11.4,', i j: ',2i5) |
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[3] | 151 | |
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[9182] | 152 | ! ==================================================================================================== |
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| 153 | ! ==================================================================================================== |
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| 154 | ! !AXY (25/10/17) |
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| 155 | ! !* Test max/min limits of temperature |
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| 156 | ! ! ---------------------------------- |
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| 157 | ztmax = -5.e0 ! arbitrary low maximum value |
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| 158 | ztmin = 100.e0 ! arbitrary high minimum value |
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| 159 | DO jj = 2, jpjm1 |
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| 160 | DO ji = 2, jpim1 |
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| 161 | IF( tmask(ji,jj,1) == 1) THEN |
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| 162 | ztmax = MAX(ztmax,tsn(ji,jj,1,jp_tem)) ! find local maximum |
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| 163 | ztmin = MIN(ztmin,tsn(ji,jj,1,jp_tem)) ! find local minimum |
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| 164 | ENDIF |
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| 165 | END DO |
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| 166 | END DO |
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| 167 | IF( lk_mpp ) CALL mpp_max( ztmax ) ! max over the global domain |
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| 168 | IF( lk_mpp ) CALL mpp_min( ztmin ) ! min over the global domain |
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| 169 | ! |
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| 170 | IF( ztmax > 40.) THEN ! we've got a problem |
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| 171 | IF (lk_mpp) THEN |
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| 172 | CALL mpp_maxloc ( tsn(:,:,1,jp_tem),tmask(:,:,1), ztmax, ii,ij ) |
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| 173 | ELSE |
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| 174 | ilocs = MAXLOC( tsn(:,:,1,jp_tem), mask = tmask(:,:,1) == 1.e0 ) |
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| 175 | ii = ilocs(1) + nimpp - 1 |
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| 176 | ij = ilocs(2) + njmpp - 1 |
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| 177 | ENDIF |
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| 178 | ! |
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| 179 | IF(lwp) THEN |
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| 180 | WRITE(numout,*) 'stp_ctl:tracer anomaly: ***** WARNING *****' |
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| 181 | WRITE(numout,*) 'stp_ctl:tracer anomaly: sea surface temperature > 40C' |
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| 182 | WRITE(numout,9600) kt, ztmax, ii, ij |
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| 183 | WRITE(numout,*) 'stp_ctl:tracer anomaly: ***** END OF WARNING *****' |
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| 184 | ENDIF |
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| 185 | ENDIF |
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| 186 | ! |
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[9265] | 187 | IF( ztmin < -10.) THEN ! we've got a problem |
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[9182] | 188 | IF (lk_mpp) THEN |
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| 189 | CALL mpp_minloc ( tsn(:,:,1,jp_tem),tmask(:,:,1), ztmin, ii,ij ) |
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| 190 | ELSE |
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| 191 | ilocs = MINLOC( tsn(:,:,1,jp_tem), mask = tmask(:,:,1) == 1.e0 ) |
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| 192 | ii = ilocs(1) + nimpp - 1 |
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| 193 | ij = ilocs(2) + njmpp - 1 |
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| 194 | ENDIF |
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| 195 | ! |
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| 196 | IF(lwp) THEN |
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| 197 | WRITE(numout,*) 'stp_ctl:tracer anomaly: ***** WARNING *****' |
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[9265] | 198 | WRITE(numout,*) 'stp_ctl:tracer anomaly: sea surface temperature < -10C' |
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[9182] | 199 | WRITE(numout,9700) kt, ztmin, ii, ij |
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| 200 | WRITE(numout,*) 'stp_ctl:tracer anomaly: ***** END OF WARNING *****' |
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| 201 | ENDIF |
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| 202 | ENDIF |
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| 203 | 9600 FORMAT ('stp_ctl:tracer anomaly: kt=',i6,' max SST: ',f16.10,', i j: ',2i5) |
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| 204 | 9700 FORMAT ('stp_ctl:tracer anomaly: kt=',i6,' min SST: ',f16.10,', i j: ',2i5) |
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| 205 | ! ==================================================================================================== |
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| 206 | ! ==================================================================================================== |
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[2528] | 207 | |
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| 208 | IF( lk_c1d ) RETURN ! No log file in case of 1D vertical configuration |
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| 209 | |
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[1489] | 210 | ! log file (solver or ssh statistics) |
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| 211 | ! -------- |
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[1528] | 212 | IF( lk_dynspg_flt ) THEN ! elliptic solver statistics (if required) |
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[1489] | 213 | ! |
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[1566] | 214 | IF(lwp) WRITE(numsol,9200) kt, niter, res, SQRT(epsr)/eps ! Solver |
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[1489] | 215 | ! |
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[1566] | 216 | IF( kindic < 0 .AND. zsmin > 0.e0 .AND. zumax <= 20.e0 ) THEN ! create a abort file if problem found |
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[1489] | 217 | IF(lwp) THEN |
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| 218 | WRITE(numout,*) ' stpctl: the elliptic solver DO not converge or explode' |
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| 219 | WRITE(numout,*) ' ====== ' |
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| 220 | WRITE(numout,9200) kt, niter, res, sqrt(epsr)/eps |
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| 221 | WRITE(numout,*) |
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| 222 | WRITE(numout,*) ' stpctl: output of last fields' |
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| 223 | WRITE(numout,*) ' ====== ' |
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| 224 | ENDIF |
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| 225 | ENDIF |
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| 226 | ! |
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[1581] | 227 | ELSE !* ssh statistics (and others...) |
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| 228 | IF( kt == nit000 .AND. lwp ) THEN ! open ssh statistics file (put in solver.stat file) |
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| 229 | CALL ctl_opn( numsol, 'solver.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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[1489] | 230 | ENDIF |
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| 231 | ! |
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| 232 | zssh2 = SUM( sshn(:,:) * sshn(:,:) * tmask_i(:,:) ) |
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| 233 | IF( lk_mpp ) CALL mpp_sum( zssh2 ) ! sum over the global domain |
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| 234 | ! |
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| 235 | IF(lwp) WRITE(numsol,9300) kt, zssh2, zumax, zsmin ! ssh statistics |
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| 236 | ! |
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| 237 | ENDIF |
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| 238 | |
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[1588] | 239 | 9200 FORMAT('it:', i8, ' iter:', i4, ' r: ',e16.10, ' b: ',e16.10 ) |
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[1489] | 240 | 9300 FORMAT(' it :', i8, ' ssh2: ', e16.10, ' Umax: ',e16.10,' Smin: ',e16.10) |
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| 241 | ! |
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[3] | 242 | END SUBROUTINE stp_ctl |
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| 243 | |
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| 244 | !!====================================================================== |
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| 245 | END MODULE stpctl |
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