[1252] | 1 | MODULE trcini_c14b |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcini_c14b *** |
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| 4 | !! TOP : initialisation of the C14 bomb tracer |
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| 5 | !!====================================================================== |
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| 6 | !! History : Original ! 2005-10 (Z. Lachkar) |
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| 7 | !! 2.0 ! 2007-12 (C. Ethe ) |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_c14b |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_c14b' C14 bomb tracer |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! trc_ini_c14b : C14 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_c14b ! C14 sms trends |
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[1581] | 19 | USE in_out_manager ! I/O manager |
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[1252] | 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PRIVATE |
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| 23 | |
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| 24 | PUBLIC trc_ini_c14b ! called by trcini.F90 module |
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| 25 | |
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| 26 | INTEGER :: & ! With respect to data file !! |
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| 27 | jpybeg = 1765 , & !: starting year for C14 |
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| 28 | jpyend = 2002 !: ending year for C14 |
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| 29 | |
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| 30 | INTEGER :: & |
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| 31 | nrec , & ! number of year in CO2 Concentrations file |
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| 32 | nmaxrec |
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| 33 | |
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| 34 | INTEGER :: inum1, inum2 ! unit number |
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| 35 | |
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| 36 | REAL(wp) :: & |
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| 37 | ys40 = -40. , & ! 40 degrees south |
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| 38 | ys20 = -20. , & ! 20 degrees south |
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| 39 | yn20 = 20. , & ! 20 degrees north |
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| 40 | yn40 = 40. ! 40 degrees north |
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| 41 | |
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| 42 | !!--------------------------------------------------------------------- |
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| 43 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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| 44 | !! $Id: trcini_cfc.F90 1146 2008-06-25 11:42:56Z rblod $ |
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| 45 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | SUBROUTINE trc_ini_c14b |
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| 51 | !!------------------------------------------------------------------- |
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| 52 | !! *** trc_ini_c14b *** |
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| 53 | !! |
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| 54 | !! ** Purpose : initialization for C14 model |
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| 55 | !! |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | INTEGER :: ji, jj, jl, jm |
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| 58 | REAL(wp) :: zyear |
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| 59 | !!---------------------------------------------------------------------- |
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| 60 | |
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[2038] | 61 | ! Control consitency |
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| 62 | CALL trc_ctl_c14b |
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| 63 | |
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| 64 | IF(lwp) WRITE(numout,*) '' |
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| 65 | IF(lwp) WRITE(numout,*) ' trc_ini_c14b: initialisation of Bomb C14 chemical model' |
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[1252] | 66 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~' |
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| 67 | |
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| 68 | |
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| 69 | ! Initialization of boundaries conditions |
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| 70 | ! --------------------------------------- |
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| 71 | qtr_c14(:,:) = 0.e0 |
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| 72 | |
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| 73 | ! Initialization of qint in case of no restart |
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| 74 | !---------------------------------------------- |
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[1542] | 75 | IF( .NOT. ln_rsttr ) THEN |
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[1252] | 76 | IF(lwp) THEN |
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| 77 | WRITE(numout,*) |
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| 78 | WRITE(numout,*) 'Initialization de qint ; No restart : qint equal zero ' |
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| 79 | ENDIF |
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| 80 | trn (:,:,:,jpc14) = 0.e0 |
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| 81 | qint_c14(:,: ) = 0.e0 |
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| 82 | ENDIF |
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| 83 | |
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| 84 | |
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| 85 | ! Read CO2 atmospheric concentrations file... |
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| 86 | ! read CO2 data from year jpybeg to year jpyend |
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| 87 | !------------------------------------------------ |
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| 88 | |
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| 89 | nrec = ( jpyend - jpybeg + 1 ) ! number of year in CO2 Concentrations file |
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| 90 | nmaxrec = 2 * nrec |
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| 91 | |
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| 92 | IF(lwp) WRITE(numout,*) 'Read CO2 atmospheric concentrations file ' |
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| 93 | |
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[1581] | 94 | CALL ctl_opn( inum1, 'splco2.dat', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, .FALSE. ) |
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[1252] | 95 | REWIND(inum1) |
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| 96 | |
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| 97 | DO jm = 1, 5 ! Skip over 1st six descriptor lines |
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| 98 | READ(inum1,'(1x)') |
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| 99 | END DO |
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| 100 | |
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| 101 | ! get CO2 data |
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| 102 | DO jm = 1, nmaxrec |
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| 103 | READ(inum1, *) zyear, spco2(jm) |
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| 104 | IF (lwp) WRITE(numout, '(f7.1,f9.4)') zyear, spco2(jm) |
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| 105 | END DO |
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| 106 | WRITE(numout,*) |
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| 107 | CLOSE(inum1) |
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| 108 | |
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| 109 | IF (lwp) WRITE(numout,*) 'Read C-14 atmospheric concentrations file ' |
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| 110 | |
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[1581] | 111 | CALL ctl_opn( inum2, 'atmc14.dat', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, .FALSE. ) |
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[1252] | 112 | REWIND(inum2) |
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| 113 | |
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| 114 | ! Skip over 1st descriptor line |
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| 115 | READ(inum2, '(1x)') |
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| 116 | |
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| 117 | ! READ FILE |
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| 118 | DO jm = 1, nrec |
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| 119 | READ(inum2,*) zyear, bomb(jm,1), bomb(jm,2), bomb(jm,3) |
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| 120 | IF (lwp) WRITE(numout, '(f7.1, 3f9.4)') zyear, bomb(jm,1), bomb(jm,2), bomb(jm,3) |
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| 121 | END DO |
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| 122 | CLOSE(inum2) |
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| 123 | |
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| 124 | ! Conversion unit : Now atm units are in real C-14 [per mil] |
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| 125 | ! C-14(Orr) = C-14(per mil)/10.0 |
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| 126 | DO jm = 1, nrec |
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| 127 | bomb(jm,1) = ( bomb(jm,1 ) + 17.40 ) * 0.1 |
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| 128 | bomb(jm,2) = ( bomb(jm,2 ) + 10.40 ) * 0.1 |
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| 129 | bomb(jm,3) = ( bomb(jm,3 ) + 14.65 ) * 0.1 |
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| 130 | END DO |
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| 131 | |
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| 132 | ! Linear interpolation of the C-14 source fonction |
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| 133 | ! in linear latitude band (20N,40N) and (20S,40S) |
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| 134 | !------------------------------------------------------ |
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| 135 | DO jj = 1 , jpj |
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| 136 | DO ji = 1 , jpi |
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| 137 | IF( gphit(ji,jj) >= yn40 ) THEN |
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| 138 | fareaz(ji,jj,1) = 0. |
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| 139 | fareaz(ji,jj,2) = 0. |
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| 140 | fareaz(ji,jj,3) = 1. |
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| 141 | ELSE IF( gphit(ji,jj ) <= ys40) THEN |
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| 142 | fareaz(ji,jj,1) = 1. |
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| 143 | fareaz(ji,jj,2) = 0. |
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| 144 | fareaz(ji,jj,3) = 0. |
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| 145 | ELSE IF( gphit(ji,jj) >= yn20 ) THEN |
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| 146 | fareaz(ji,jj,1) = 0. |
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| 147 | fareaz(ji,jj,2) = 2. * ( 1. - gphit(ji,jj) / yn40 ) |
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| 148 | fareaz(ji,jj,3) = 2. * gphit(ji,jj) / yn40 - 1. |
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| 149 | ELSE IF( gphit(ji,jj) <= ys20 ) THEN |
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| 150 | fareaz(ji,jj,1) = 2. * gphit(ji,jj) / ys40 - 1. |
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| 151 | fareaz(ji,jj,2) = 2. * ( 1. - gphit(ji,jj) / ys40 ) |
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| 152 | fareaz(ji,jj,3) = 0. |
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| 153 | ELSE |
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| 154 | fareaz(ji,jj,1) = 0. |
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| 155 | fareaz(ji,jj,2) = 1. |
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| 156 | fareaz(ji,jj,3) = 0. |
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| 157 | ENDIF |
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| 158 | END DO |
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| 159 | END DO |
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| 160 | |
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| 161 | ! |
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| 162 | IF(lwp) WRITE(numout,*) 'Initialization of C14 bomb tracer done' |
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| 163 | IF(lwp) WRITE(numout,*) ' ' |
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| 164 | |
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| 165 | END SUBROUTINE trc_ini_c14b |
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| 166 | |
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[2038] | 167 | SUBROUTINE trc_ctl_c14b |
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| 168 | !!---------------------------------------------------------------------- |
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| 169 | !! *** ROUTINE trc_ctl_c14b *** |
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| 170 | !! |
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| 171 | !! ** Purpose : control the cpp options, namelist and files |
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| 172 | !!---------------------------------------------------------------------- |
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| 173 | |
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| 174 | IF(lwp) THEN |
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| 175 | WRITE(numout,*) ' C14 bomb Model ' |
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| 176 | WRITE(numout,*) ' ' |
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| 177 | ENDIF |
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| 178 | |
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| 179 | ! Check number of tracers |
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| 180 | ! ----------------------- |
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| 181 | IF( jp_c14b > 1) THEN |
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| 182 | IF(lwp) THEN |
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| 183 | WRITE (numout,*) ' ===>>>> : w a r n i n g ' |
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| 184 | WRITE (numout,*) ' ======= ============= ' |
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| 185 | WRITE (numout,*) & |
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| 186 | & ' STOP, change jp_c14b to 1 in par_C14b module ' |
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| 187 | END IF |
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| 188 | STOP 'TRC_CTL' |
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| 189 | END IF |
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| 190 | |
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| 191 | ! Check tracer names |
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| 192 | ! ------------------ |
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| 193 | IF ( ctrcnm(jpc14) /= 'C14B' ) THEN |
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| 194 | ctrcnm(jpc14) = 'C14B' |
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| 195 | ctrcnl(jpc14) = 'Bomb C14 concentration' |
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| 196 | ENDIF |
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| 197 | |
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| 198 | IF(lwp) THEN |
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| 199 | WRITE (numout,*) ' ===>>>> : w a r n i n g ' |
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| 200 | WRITE (numout,*) ' ======= ============= ' |
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| 201 | WRITE (numout,*) ' we force tracer names' |
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| 202 | WRITE(numout,*) ' tracer nb: ',jpc14,' name = ',ctrcnm(jpc14), ctrcnl(jpc14) |
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| 203 | WRITE(numout,*) ' ' |
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| 204 | ENDIF |
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| 205 | |
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| 206 | ! Check tracer units |
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| 207 | ! ------------------ |
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| 208 | IF( ctrcun(jpc14) /= 'ration' ) THEN |
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| 209 | ctrcun(jpc14) = 'ration' |
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| 210 | IF(lwp) THEN |
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| 211 | WRITE (numout,*) ' ===>>>> : w a r n i n g ' |
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| 212 | WRITE (numout,*) ' ======= ============= ' |
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| 213 | WRITE (numout,*) ' we force tracer unit' |
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| 214 | WRITE(numout,*) ' tracer ',ctrcnm(jpc14), 'UNIT= ',ctrcun(jpc14) |
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| 215 | WRITE(numout,*) ' ' |
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| 216 | ENDIF |
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| 217 | ENDIF |
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| 218 | ! |
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| 219 | END SUBROUTINE trc_ctl_c14b |
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[1252] | 220 | #else |
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| 221 | !!---------------------------------------------------------------------- |
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| 222 | !! Dummy module No C14 bomb tracer |
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| 223 | !!---------------------------------------------------------------------- |
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| 224 | CONTAINS |
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| 225 | SUBROUTINE trc_ini_c14b ! Empty routine |
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| 226 | END SUBROUTINE trc_ini_c14b |
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| 227 | #endif |
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| 228 | |
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| 229 | !!====================================================================== |
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| 230 | END MODULE trcini_c14b |
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