| 1 | MODULE trcini_cfc |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcini_cfc *** |
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| 4 | !! TOP : initialisation of the CFC tracers |
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| 5 | !!====================================================================== |
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| 6 | !! History : 2.0 ! 2007-12 (C. Ethe, G. Madec) |
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| 7 | !! ! 2017-04 (A. Yool) Add SF6 |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_cfc |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_cfc' CFC tracers |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! trc_ini_cfc : CFC model initialisation |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | USE oce_trc ! Ocean variables |
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| 16 | USE par_trc ! TOP parameters |
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| 17 | USE trc ! TOP variables |
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| 18 | USE trcsms_cfc ! CFC sms trends |
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| 19 | |
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| 20 | IMPLICIT NONE |
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| 21 | PRIVATE |
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| 22 | |
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| 23 | PUBLIC trc_ini_cfc ! called by trcini.F90 module |
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| 24 | |
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| 25 | CHARACTER (len=34) :: clname = 'cfc1112sf6.atm' ! ??? |
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| 26 | |
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| 27 | INTEGER :: inum ! unit number |
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| 28 | REAL(wp) :: ylats = -10. ! 10 degrees south |
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| 29 | REAL(wp) :: ylatn = 10. ! 10 degrees north |
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| 30 | |
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| 31 | !!---------------------------------------------------------------------- |
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| 32 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 33 | !! $Id$ |
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| 34 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 35 | !!---------------------------------------------------------------------- |
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| 36 | CONTAINS |
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| 37 | |
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| 38 | SUBROUTINE trc_ini_cfc |
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| 39 | !!---------------------------------------------------------------------- |
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| 40 | !! *** trc_ini_cfc *** |
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| 41 | !! |
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| 42 | !! ** Purpose : initialization for cfc model |
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| 43 | !! |
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| 44 | !! ** Method : - Read the namcfc namelist and check the parameter values |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | INTEGER :: ji, jj, jn, jl, jm, js, io, iostatus, ierr |
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| 47 | INTEGER :: iskip = 7 ! number of 1st descriptor lines |
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| 48 | REAL(wp) :: zyy, zyd |
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| 49 | !!---------------------------------------------------------------------- |
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| 50 | |
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| 51 | IF(lwp) WRITE(numout,*) |
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| 52 | IF(lwp) WRITE(numout,*) ' trc_ini_cfc: initialisation of CFC chemical model' |
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| 53 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~' |
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| 54 | |
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| 55 | |
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| 56 | IF(lwp) WRITE(numout,*) 'read of formatted file cfc1112sf6.atm' |
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| 57 | |
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| 58 | CALL ctl_opn( inum, clname, 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, .FALSE. ) |
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| 59 | |
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| 60 | ! compute the number of year in the file |
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| 61 | ! file starts in 1931 do jn represent the year in the century |
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| 62 | iostatus = 0 |
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| 63 | jn = 31 |
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| 64 | DO WHILE ( iostatus == 0 ) |
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| 65 | READ(inum,'(1x)', IOSTAT=iostatus, END=100) |
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| 66 | jn = jn + 1 |
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| 67 | ENDDO |
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| 68 | IF( iostatus .NE. 0 ) THEN |
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| 69 | !! Error while reading CFC input file |
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| 70 | CALL ctl_stop('trc_ini_cfc: & |
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| 71 | & Error on the 1st reading of cfc1112sf6.atm') |
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| 72 | RETURN |
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| 73 | ENDIF |
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| 74 | 100 jpyear = jn - 1 - iskip |
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| 75 | IF ( lwp) WRITE(numout,*) ' ', jpyear ,' years read' |
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| 76 | ! ! Allocate CFC arrays |
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| 77 | |
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| 78 | ALLOCATE( p_cfc(jpyear,jphem,3), STAT=ierr ) |
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| 79 | IF( ierr > 0 ) THEN |
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| 80 | CALL ctl_stop( 'trc_ini_cfc: unable to allocate p_cfc array' ) |
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| 81 | RETURN |
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| 82 | ENDIF |
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| 83 | IF( trc_sms_cfc_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'trc_ini_cfc: unable to allocate CFC arrays' ) |
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| 84 | |
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| 85 | |
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| 86 | ! Initialization of boundaries conditions |
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| 87 | ! --------------------------------------- |
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| 88 | xphem (:,:) = 0._wp |
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| 89 | p_cfc(:,:,:) = 0._wp |
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| 90 | |
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| 91 | ! Initialization of qint in case of no restart |
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| 92 | !---------------------------------------------- |
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| 93 | qtr_cfc(:,:,:) = 0._wp |
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| 94 | IF( .NOT. ln_rsttr ) THEN |
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| 95 | IF(lwp) THEN |
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| 96 | WRITE(numout,*) |
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| 97 | WRITE(numout,*) 'Initialization de qint ; No restart : qint equal zero ' |
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| 98 | ENDIF |
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| 99 | qint_cfc(:,:,:) = 0._wp |
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| 100 | trn(:,:,:,jp_cfc0:jp_cfc1) = 0._wp |
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| 101 | ENDIF |
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| 102 | |
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| 103 | REWIND(inum) |
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| 104 | |
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| 105 | DO jm = 1, iskip ! Skip over 1st six descriptor lines |
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| 106 | READ(inum,'(1x)') |
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| 107 | END DO |
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| 108 | ! file starts in 1931 do jn represent the year in the century.jhh |
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| 109 | ! Read file till the end |
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| 110 | DO jn = 31, jpyear |
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| 111 | READ(inum, '( F6.1, 6F7.2)', IOSTAT=io) zyy, p_cfc(jn,1,1), p_cfc(jn,1,2), & |
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| 112 | & p_cfc(jn,1,3), p_cfc(jn,2,1), & |
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| 113 | & p_cfc(jn,2,2), p_cfc(jn,2,3) |
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| 114 | IF( io .NE.0 ) THEN |
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| 115 | !! Error while reading CFC input file |
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| 116 | CALL ctl_stop('trc_ini_cfc: & |
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| 117 | & Error on the 2nd reading of cfc1112sf6.atm') |
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| 118 | RETURN |
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| 119 | ENDIF |
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| 120 | END DO |
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| 121 | |
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| 122 | ! AXY (25/04/17): do not adjust |
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| 123 | ! p_cfc(32,1:2,1) = 5.e-4 ! modify the values of the first years |
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| 124 | ! p_cfc(33,1:2,1) = 8.e-4 |
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| 125 | ! p_cfc(34,1:2,1) = 1.e-6 |
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| 126 | ! p_cfc(35,1:2,1) = 2.e-3 |
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| 127 | ! p_cfc(36,1:2,1) = 4.e-3 |
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| 128 | ! p_cfc(37,1:2,1) = 6.e-3 |
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| 129 | ! p_cfc(38,1:2,1) = 8.e-3 |
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| 130 | ! p_cfc(39,1:2,1) = 1.e-2 |
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| 131 | |
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| 132 | IF(lwp) THEN ! Control print |
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| 133 | WRITE(numout,*) |
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| 134 | WRITE(numout,*) ' Year p11HN p11HS p12HN p12HS pSF6N pSF6S ' |
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| 135 | DO jn = 30, jpyear |
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| 136 | WRITE(numout, '( 1I4, 6F9.2)') jn, p_cfc(jn,1,1), p_cfc(jn,2,1), & |
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| 137 | & p_cfc(jn,1,2), p_cfc(jn,2,2), & |
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| 138 | & p_cfc(jn,1,3), p_cfc(jn,2,3) |
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| 139 | END DO |
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| 140 | ENDIF |
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| 141 | |
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| 142 | ! Interpolation factor of atmospheric partial pressure |
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| 143 | ! Linear interpolation between 2 hemispheric function of latitud between ylats and ylatn |
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| 144 | !--------------------------------------------------------------------------------------- |
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| 145 | zyd = ylatn - ylats |
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| 146 | DO jj = 1 , jpj |
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| 147 | DO ji = 1 , jpi |
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| 148 | IF( gphit(ji,jj) >= ylatn ) THEN ; xphem(ji,jj) = 1.e0 |
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| 149 | ELSEIF( gphit(ji,jj) <= ylats ) THEN ; xphem(ji,jj) = 0.e0 |
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| 150 | ELSE ; xphem(ji,jj) = ( gphit(ji,jj) - ylats) / zyd |
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| 151 | ENDIF |
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| 152 | END DO |
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| 153 | END DO |
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| 154 | ! |
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| 155 | IF(lwp) WRITE(numout,*) 'Initialization of CFC tracers done' |
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| 156 | IF(lwp) WRITE(numout,*) ' ' |
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| 157 | ! |
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| 158 | END SUBROUTINE trc_ini_cfc |
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| 159 | |
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| 160 | #else |
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| 161 | !!---------------------------------------------------------------------- |
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| 162 | !! Dummy module No CFC tracers |
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| 163 | !!---------------------------------------------------------------------- |
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| 164 | CONTAINS |
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| 165 | SUBROUTINE trc_ini_cfc ! Empty routine |
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| 166 | END SUBROUTINE trc_ini_cfc |
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| 167 | #endif |
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| 168 | |
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| 169 | !!====================================================================== |
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| 170 | END MODULE trcini_cfc |
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