[933] | 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) from trcini.cfc.h90 |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | #if defined key_cfc |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! 'key_cfc' CFC tracers |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! trc_ini_cfc : CFC model initialisation |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | USE oce_trc ! Ocean variables |
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| 15 | USE par_trc ! TOP parameters |
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| 16 | USE trc ! TOP variables |
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| 17 | USE trcsms_cfc ! CFC sms trends |
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[1581] | 18 | USE in_out_manager ! I/O manager |
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[933] | 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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[2047] | 25 | CHARACTER (len=34) :: clname = 'cfc1112.atm' ! ??? |
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| 26 | |
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[933] | 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 2.0 , LOCEAN-IPSL (2007) |
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[1146] | 33 | !! $Id$ |
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[933] | 34 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 35 | !!---------------------------------------------------------------------- |
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| 36 | |
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| 37 | CONTAINS |
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| 38 | |
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| 39 | SUBROUTINE trc_ini_cfc |
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| 40 | !!---------------------------------------------------------------------- |
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| 41 | !! *** trc_ini_cfc *** |
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| 42 | !! |
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| 43 | !! ** Purpose : initialization for cfc model |
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| 44 | !! |
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| 45 | !! ** Method : - Read the namcfc namelist and check the parameter values |
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| 46 | !!---------------------------------------------------------------------- |
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[1255] | 47 | INTEGER :: ji, jj, jn, jl, jm, js |
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[933] | 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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[1004] | 55 | |
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[933] | 56 | ! Initialization of boundaries conditions |
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| 57 | ! --------------------------------------- |
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[1255] | 58 | xphem (:,:) = 0.e0 |
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[2047] | 59 | p_cfc(:,:,:) = 0.e0 |
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[933] | 60 | |
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| 61 | ! Initialization of qint in case of no restart |
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| 62 | !---------------------------------------------- |
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[1255] | 63 | qtr_cfc(:,:,:) = 0.e0 |
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[1542] | 64 | IF( .NOT. ln_rsttr ) THEN |
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[933] | 65 | IF(lwp) THEN |
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| 66 | WRITE(numout,*) |
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| 67 | WRITE(numout,*) 'Initialization de qint ; No restart : qint equal zero ' |
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| 68 | ENDIF |
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[2047] | 69 | qint_cfc(:,:,:) = 0.e0 |
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[1255] | 70 | DO jl = 1, jp_cfc |
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| 71 | jn = jp_cfc0 + jl - 1 |
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| 72 | trn (:,:,:,jn) = 0.e0 |
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[933] | 73 | END DO |
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| 74 | ENDIF |
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| 75 | |
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| 76 | |
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| 77 | ! READ CFC partial pressure atmospheric value : |
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| 78 | ! p11(year,nt) = PCFC11 in northern (1) and southern (2) hemisphere |
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| 79 | ! p12(year,nt) = PCFC12 in northern (1) and southern (2) hemisphere |
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| 80 | !-------------------------------------------------------------------- |
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| 81 | |
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| 82 | IF(lwp) WRITE(numout,*) 'read of formatted file cfc1112atm' |
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| 83 | |
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[2047] | 84 | CALL ctl_opn( inum, clname, 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, .FALSE. ) |
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[933] | 85 | REWIND(inum) |
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| 86 | |
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| 87 | DO jm = 1, 6 ! Skip over 1st six descriptor lines |
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| 88 | READ(inum,'(1x)') |
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| 89 | END DO |
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| 90 | |
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[2047] | 91 | ! file starts in 1931 do jn represent the year in the century.jhh |
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| 92 | ! Read file till the end |
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| 93 | jn = 31 |
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| 94 | DO WHILE ( 1 /= 2 ) |
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| 95 | READ(inum,*,END=100) zyy, p_cfc(jn,1,1), p_cfc(jn,1,2), p_cfc(jn,2,1), p_cfc(jn,2,2) |
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| 96 | IF ( lwp) THEN |
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| 97 | WRITE(numout,'(f7.2, 4f8.2)' ) & |
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[1255] | 98 | & zyy, p_cfc(jn,1,1), p_cfc(jn,1,2), p_cfc(jn,2,1), p_cfc(jn,2,2) |
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[2047] | 99 | ENDIF |
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| 100 | jn = jn + 1 |
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[933] | 101 | END DO |
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[2047] | 102 | 100 npyear = jn - 1 |
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| 103 | IF ( lwp) WRITE(numout,*) ' ', npyear ,' years read' |
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[933] | 104 | |
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[1255] | 105 | p_cfc(32,1:2,1) = 5.e-4 ! modify the values of the first years |
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| 106 | p_cfc(33,1:2,1) = 8.e-4 |
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| 107 | p_cfc(34,1:2,1) = 1.e-6 |
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| 108 | p_cfc(35,1:2,1) = 2.e-3 |
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| 109 | p_cfc(36,1:2,1) = 4.e-3 |
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| 110 | p_cfc(37,1:2,1) = 6.e-3 |
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| 111 | p_cfc(38,1:2,1) = 8.e-3 |
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| 112 | p_cfc(39,1:2,1) = 1.e-2 |
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[933] | 113 | |
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| 114 | IF(lwp) THEN ! Control print |
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| 115 | WRITE(numout,*) |
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| 116 | WRITE(numout,*) ' Year p11HN p11HS p12HN p12HS ' |
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| 117 | DO jn = 30, 100 |
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| 118 | WRITE(numout, '( 1I4, 4F9.2)') & |
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[1255] | 119 | & jn, p_cfc(jn,1,1), p_cfc(jn,2,1), p_cfc(jn,1,2), p_cfc(jn,2,2) |
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[933] | 120 | END DO |
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| 121 | ENDIF |
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| 122 | |
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| 123 | |
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| 124 | ! Interpolation factor of atmospheric partial pressure |
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| 125 | ! Linear interpolation between 2 hemispheric function of latitud between ylats and ylatn |
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| 126 | !--------------------------------------------------------------------------------------- |
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| 127 | zyd = ylatn - ylats |
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| 128 | DO jj = 1 , jpj |
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| 129 | DO ji = 1 , jpi |
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| 130 | IF( gphit(ji,jj) >= ylatn ) THEN ; xphem(ji,jj) = 1.e0 |
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| 131 | ELSEIF( gphit(ji,jj) <= ylats ) THEN ; xphem(ji,jj) = 0.e0 |
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| 132 | ELSE ; xphem(ji,jj) = ( gphit(ji,jj) - ylats) / zyd |
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| 133 | ENDIF |
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| 134 | END DO |
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| 135 | END DO |
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| 136 | ! |
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[1004] | 137 | |
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| 138 | IF(lwp) WRITE(numout,*) 'Initialization of CFC tracers done' |
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| 139 | IF(lwp) WRITE(numout,*) ' ' |
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| 140 | |
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[933] | 141 | END SUBROUTINE trc_ini_cfc |
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| 142 | |
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| 143 | #else |
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| 144 | !!---------------------------------------------------------------------- |
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| 145 | !! Dummy module No CFC tracers |
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| 146 | !!---------------------------------------------------------------------- |
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| 147 | CONTAINS |
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| 148 | SUBROUTINE trc_ini_cfc ! Empty routine |
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| 149 | END SUBROUTINE trc_ini_cfc |
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| 150 | #endif |
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| 151 | |
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| 152 | !!====================================================================== |
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| 153 | END MODULE trcini_cfc |
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