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 | !!---------------------------------------------------------------------- |
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8 | !!---------------------------------------------------------------------- |
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9 | !! trc_ini_cfc : CFC model initialisation |
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10 | !!---------------------------------------------------------------------- |
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11 | USE oce_trc ! Ocean variables |
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12 | USE par_trc ! TOP parameters |
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13 | USE trc ! TOP variables |
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14 | USE trcnam_cfc ! CFC SMS namelist |
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15 | USE trcsms_cfc ! CFC sms trends |
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16 | |
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17 | IMPLICIT NONE |
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18 | PRIVATE |
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19 | |
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20 | PUBLIC trc_ini_cfc ! called by trcini.F90 module |
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21 | |
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22 | INTEGER :: inum ! unit number |
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23 | REAL(wp) :: ylats = -10. ! 10 degrees south |
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24 | REAL(wp) :: ylatn = 10. ! 10 degrees north |
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25 | |
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26 | !! * Substitutions |
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27 | # include "do_loop_substitute.h90" |
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28 | !!---------------------------------------------------------------------- |
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29 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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30 | !! $Id$ |
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31 | !! Software governed by the CeCILL license (see ./LICENSE) |
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32 | !!---------------------------------------------------------------------- |
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33 | CONTAINS |
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34 | |
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35 | SUBROUTINE trc_ini_cfc( Kmm ) |
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36 | !!---------------------------------------------------------------------- |
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37 | !! *** trc_ini_cfc *** |
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38 | !! |
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39 | !! ** Purpose : initialization for cfc model |
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40 | !! |
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41 | !! ** Method : - Read the namcfc namelist and check the parameter values |
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42 | !!---------------------------------------------------------------------- |
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43 | INTEGER, INTENT(in) :: Kmm ! time level indices |
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44 | INTEGER :: ji, jj, jn, jl, jm, js, io, ierr |
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45 | INTEGER :: iskip = 6 ! number of 1st descriptor lines |
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46 | REAL(wp) :: zyy, zyd |
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47 | CHARACTER(len = 20) :: cltra |
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48 | !!---------------------------------------------------------------------- |
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49 | ! |
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50 | CALL trc_nam_cfc |
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51 | ! |
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52 | IF(lwp) WRITE(numout,*) |
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53 | IF(lwp) WRITE(numout,*) ' trc_ini_cfc: initialisation of CFC chemical model' |
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54 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~' |
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55 | ! |
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56 | IF(lwp) WRITE(numout,*) 'Read annual atmospheric concentratioins from formatted file : ' // TRIM(clname) |
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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 | REWIND(inum) |
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60 | |
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61 | ! compute the number of year in the file |
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62 | ! file starts in 1931 do jn represent the year in the century |
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63 | jn = 31 |
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64 | DO |
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65 | READ(inum,'(1x)',END=100) |
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66 | jn = jn + 1 |
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67 | END DO |
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68 | 100 jpyear = jn - 1 - iskip |
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69 | IF ( lwp) WRITE(numout,*) ' ---> ', jpyear ,' years read' |
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70 | ! ! Allocate CFC arrays |
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71 | |
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72 | ALLOCATE( p_cfc(jpyear,jphem,3), STAT=ierr ) |
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73 | IF( ierr > 0 ) THEN |
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74 | CALL ctl_stop( 'trc_ini_cfc: unable to allocate p_cfc array' ) ; RETURN |
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75 | ENDIF |
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76 | IF( trc_sms_cfc_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'trc_ini_cfc: unable to allocate CFC arrays' ) |
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77 | |
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78 | |
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79 | ! Initialization of boundaries conditions |
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80 | ! --------------------------------------- |
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81 | xphem (:,:) = 0._wp |
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82 | p_cfc(:,:,:) = 0._wp |
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83 | |
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84 | ! Initialization of qint in case of no restart |
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85 | !---------------------------------------------- |
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86 | qtr_cfc(:,:,:) = 0._wp |
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87 | IF( .NOT. ln_rsttr ) THEN |
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88 | IF(lwp) THEN |
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89 | WRITE(numout,*) |
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90 | WRITE(numout,*) 'Initialisation of qint ; No restart : qint equal zero ' |
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91 | ENDIF |
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92 | qint_cfc(:,:,:) = 0._wp |
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93 | DO jl = 1, jp_cfc |
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94 | jn = jp_cfc0 + jl - 1 |
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95 | tr(:,:,:,jn,Kmm) = 0._wp |
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96 | END DO |
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97 | ENDIF |
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98 | |
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99 | REWIND(inum) |
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100 | |
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101 | DO jm = 1, iskip ! Skip over 1st six descriptor lines |
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102 | READ(inum,'(1x)') |
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103 | END DO |
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104 | ! file starts in 1931 do jn represent the year in the century.jhh |
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105 | ! Read file till the end |
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106 | jn = 31 |
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107 | DO |
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108 | READ(inum,*, IOSTAT=io) zyy, p_cfc(jn,1:2,1), p_cfc(jn,1:2,2), p_cfc(jn,1:2,3) |
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109 | IF( io < 0 ) exit |
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110 | jn = jn + 1 |
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111 | END DO |
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112 | |
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113 | !p_cfc(32,1:2,1) = 5.e-4 ! modify the values of the first years |
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114 | !p_cfc(33,1:2,1) = 8.e-4 |
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115 | !p_cfc(34,1:2,1) = 1.e-6 |
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116 | !p_cfc(35,1:2,1) = 2.e-3 |
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117 | !p_cfc(36,1:2,1) = 4.e-3 |
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118 | !p_cfc(37,1:2,1) = 6.e-3 |
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119 | !p_cfc(38,1:2,1) = 8.e-3 |
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120 | !p_cfc(39,1:2,1) = 1.e-2 |
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121 | IF(lwp) THEN ! Control print |
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122 | WRITE(numout,*) |
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123 | WRITE(numout,*) ' Year c11NH c11SH c12NH c12SH SF6NH SF6SH' |
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124 | DO jn = 30, jpyear |
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125 | WRITE(numout, '( 1I4, 6F10.4)') jn, p_cfc(jn,1:2,1), p_cfc(jn,1:2,2), p_cfc(jn,1:2,3) |
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126 | END DO |
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127 | ENDIF |
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128 | |
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129 | |
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130 | ! Interpolation factor of atmospheric partial pressure |
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131 | ! Linear interpolation between 2 hemispheric function of latitud between ylats and ylatn |
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132 | !--------------------------------------------------------------------------------------- |
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133 | zyd = ylatn - ylats |
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134 | DO_2D( 1, 1, 1, 1 ) |
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135 | IF( gphit(ji,jj) >= ylatn ) THEN ; xphem(ji,jj) = 1.e0 |
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136 | ELSEIF( gphit(ji,jj) <= ylats ) THEN ; xphem(ji,jj) = 0.e0 |
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137 | ELSE ; xphem(ji,jj) = ( gphit(ji,jj) - ylats) / zyd |
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138 | ENDIF |
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139 | END_2D |
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140 | ! |
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141 | IF(lwp) WRITE(numout,*) 'Initialization of CFC tracers done' |
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142 | IF(lwp) WRITE(numout,*) ' ' |
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143 | ! |
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144 | END SUBROUTINE trc_ini_cfc |
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145 | |
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146 | !!====================================================================== |
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147 | END MODULE trcini_cfc |
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