1 | MODULE trcadv |
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2 | !!============================================================================== |
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3 | !! *** MODULE trcadv *** |
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4 | !! Ocean passive tracers: advection trend |
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5 | !!============================================================================== |
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6 | !! History : 2.0 ! 05-11 (G. Madec) Original code |
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7 | !! 3.0 ! 10-06 (C. Ethe) Adapted to passive tracers |
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8 | !!---------------------------------------------------------------------- |
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9 | #if defined key_top |
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10 | !!---------------------------------------------------------------------- |
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11 | !! 'key_top' TOP models |
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12 | !!---------------------------------------------------------------------- |
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13 | !!---------------------------------------------------------------------- |
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14 | !! trc_adv : compute ocean tracer advection trend |
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15 | !! trc_adv_ctl : control the different options of advection scheme |
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16 | !!---------------------------------------------------------------------- |
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17 | USE oce_trc ! ocean dynamics and active tracers |
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18 | USE trc ! ocean passive tracers variables |
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19 | USE trcnam_trp ! passive tracers transport namelist variables |
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20 | USE traadv_cen2 ! 2nd order centered scheme (tra_adv_cen2 routine) |
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21 | USE traadv_tvd ! TVD scheme (tra_adv_tvd routine) |
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22 | USE traadv_muscl ! MUSCL scheme (tra_adv_muscl routine) |
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23 | USE traadv_muscl2 ! MUSCL2 scheme (tra_adv_muscl2 routine) |
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24 | USE traadv_ubs ! UBS scheme (tra_adv_ubs routine) |
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25 | USE traadv_qck ! QUICKEST scheme (tra_adv_qck routine) |
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26 | USE traadv_eiv ! eddy induced velocity (tra_adv_eiv routine) |
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27 | USE ldftra_oce ! lateral diffusion coefficient on tracers |
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28 | USE in_out_manager ! I/O manager |
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29 | USE prtctl_trc ! Print control |
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30 | |
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31 | IMPLICIT NONE |
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32 | PRIVATE |
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33 | |
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34 | PUBLIC trc_adv ! routine called by step module |
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35 | |
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36 | INTEGER :: nadv ! choice of the type of advection scheme |
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37 | REAL(wp), DIMENSION(jpk) :: r2dt ! vertical profile time-step, = 2 rdttra |
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38 | ! ! except at nit000 (=rdttra) if neuler=0 |
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39 | |
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40 | !! * Substitutions |
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41 | # include "domzgr_substitute.h90" |
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42 | # include "vectopt_loop_substitute.h90" |
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43 | !!---------------------------------------------------------------------- |
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44 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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45 | !! $Id$ |
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46 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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47 | !!---------------------------------------------------------------------- |
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48 | |
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49 | CONTAINS |
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50 | |
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51 | SUBROUTINE trc_adv( kt ) |
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52 | !!---------------------------------------------------------------------- |
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53 | !! *** ROUTINE trc_adv *** |
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54 | !! |
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55 | !! ** Purpose : compute the ocean tracer advection trend. |
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56 | !! |
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57 | !! ** Method : - Update the tracer with the advection term following nadv |
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58 | !!---------------------------------------------------------------------- |
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59 | !! |
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60 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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61 | ! |
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62 | INTEGER :: jk |
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63 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zun, zvn, zwn ! effective velocity |
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64 | CHARACTER (len=22) :: charout |
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65 | !!---------------------------------------------------------------------- |
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66 | |
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67 | IF( kt == nit000 ) CALL trc_adv_ctl ! initialisation & control of options |
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68 | |
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69 | #if ! defined key_pisces |
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70 | IF( neuler == 0 .AND. kt == nit000 ) THEN ! at nit000 |
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71 | r2dt(:) = rdttra(:) * FLOAT(nn_dttrc) ! = rdtra (restarting with Euler time stepping) |
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72 | ELSEIF( kt <= nit000 + nn_dttrc ) THEN ! at nit000 or nit000+1 |
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73 | r2dt(:) = 2. * rdttra(:) * FLOAT(nn_dttrc) ! = 2 rdttra (leapfrog) |
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74 | ENDIF |
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75 | #else |
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76 | r2dt(:) = rdttra(:) * FLOAT(nn_dttrc) ! = rdtra (restarting with Euler time stepping) |
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77 | #endif |
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78 | |
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79 | ! ! effective transport |
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80 | DO jk = 1, jpkm1 |
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81 | ! ! eulerian transport only |
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82 | zun(:,:,jk) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) |
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83 | zvn(:,:,jk) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
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84 | zwn(:,:,jk) = e1t(:,:) * e2t(:,:) * wn(:,:,jk) |
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85 | ! |
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86 | END DO |
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87 | zwn(:,:,jpk) = 0.e0 ! no transport trough the bottom |
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88 | |
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89 | ! ! add the eiv transport (if necessary) |
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90 | IF( lk_traldf_eiv ) CALL tra_adv_eiv( kt, zun, zvn, zwn, 'TRC' ) |
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91 | ! |
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92 | SELECT CASE ( nadv ) !== compute advection trend and add it to general trend ==! |
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93 | CASE ( 1 ) ; CALL tra_adv_cen2 ( kt, 'TRC', zun, zvn, zwn, trb, trn, tra, jptra ) ! 2nd order centered |
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94 | CASE ( 2 ) ; CALL tra_adv_tvd ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) ! TVD |
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95 | CASE ( 3 ) ; CALL tra_adv_muscl ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, tra, jptra ) ! MUSCL |
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96 | CASE ( 4 ) ; CALL tra_adv_muscl2( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) ! MUSCL2 |
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97 | CASE ( 5 ) ; CALL tra_adv_ubs ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) ! UBS |
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98 | CASE ( 6 ) ; CALL tra_adv_qck ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) ! QUICKEST |
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99 | ! |
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100 | CASE (-1 ) !== esopa: test all possibility with control print ==! |
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101 | CALL tra_adv_cen2 ( kt, 'TRC', zun, zvn, zwn, trb, trn, tra, jptra ) |
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102 | WRITE(charout, FMT="('adv1')") ; CALL prt_ctl_trc_info(charout) |
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103 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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104 | CALL tra_adv_tvd ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) |
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105 | WRITE(charout, FMT="('adv2')") ; CALL prt_ctl_trc_info(charout) |
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106 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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107 | CALL tra_adv_muscl ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, tra, jptra ) |
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108 | WRITE(charout, FMT="('adv3')") ; CALL prt_ctl_trc_info(charout) |
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109 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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110 | CALL tra_adv_muscl2( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) |
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111 | WRITE(charout, FMT="('adv4')") ; CALL prt_ctl_trc_info(charout) |
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112 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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113 | CALL tra_adv_ubs ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) |
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114 | WRITE(charout, FMT="('adv5')") ; CALL prt_ctl_trc_info(charout) |
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115 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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116 | CALL tra_adv_qck ( kt, 'TRC', r2dt, zun, zvn, zwn, trb, trn, tra, jptra ) |
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117 | WRITE(charout, FMT="('adv6')") ; CALL prt_ctl_trc_info(charout) |
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118 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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119 | ! |
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120 | END SELECT |
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121 | |
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122 | ! ! print mean trends (used for debugging) |
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123 | IF( ln_ctl ) THEN |
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124 | WRITE(charout, FMT="('adv ')") ; CALL prt_ctl_trc_info(charout) |
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125 | CALL prt_ctl_trc( tab4d=tra, mask=tmask, clinfo=ctrcnm, clinfo2='trd' ) |
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126 | END IF |
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127 | ! |
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128 | END SUBROUTINE trc_adv |
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129 | |
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130 | |
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131 | SUBROUTINE trc_adv_ctl |
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132 | !!--------------------------------------------------------------------- |
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133 | !! *** ROUTINE trc_adv_ctl *** |
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134 | !! |
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135 | !! ** Purpose : Control the consistency between namelist options for |
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136 | !! passive tracer advection schemes and set nadv |
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137 | !!---------------------------------------------------------------------- |
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138 | INTEGER :: ioptio |
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139 | !!---------------------------------------------------------------------- |
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140 | |
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141 | ioptio = 0 ! Parameter control |
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142 | IF( ln_trcadv_cen2 ) ioptio = ioptio + 1 |
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143 | IF( ln_trcadv_tvd ) ioptio = ioptio + 1 |
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144 | IF( ln_trcadv_muscl ) ioptio = ioptio + 1 |
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145 | IF( ln_trcadv_muscl2 ) ioptio = ioptio + 1 |
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146 | IF( ln_trcadv_ubs ) ioptio = ioptio + 1 |
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147 | IF( ln_trcadv_qck ) ioptio = ioptio + 1 |
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148 | IF( lk_esopa ) ioptio = 1 |
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149 | |
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150 | IF( ioptio /= 1 ) CALL ctl_stop( 'Choose ONE advection scheme in namelist namtrc_adv' ) |
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151 | |
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152 | ! ! Set nadv |
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153 | IF( ln_trcadv_cen2 ) nadv = 1 |
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154 | IF( ln_trcadv_tvd ) nadv = 2 |
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155 | IF( ln_trcadv_muscl ) nadv = 3 |
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156 | IF( ln_trcadv_muscl2 ) nadv = 4 |
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157 | IF( ln_trcadv_ubs ) nadv = 5 |
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158 | IF( ln_trcadv_qck ) nadv = 6 |
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159 | IF( lk_esopa ) nadv = -1 |
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160 | |
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161 | IF(lwp) THEN ! Print the choice |
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162 | WRITE(numout,*) |
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163 | IF( nadv == 1 ) WRITE(numout,*) ' 2nd order scheme is used' |
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164 | IF( nadv == 2 ) WRITE(numout,*) ' TVD scheme is used' |
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165 | IF( nadv == 3 ) WRITE(numout,*) ' MUSCL scheme is used' |
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166 | IF( nadv == 4 ) WRITE(numout,*) ' MUSCL2 scheme is used' |
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167 | IF( nadv == 5 ) WRITE(numout,*) ' UBS scheme is used' |
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168 | IF( nadv == 6 ) WRITE(numout,*) ' QUICKEST scheme is used' |
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169 | IF( nadv == -1 ) WRITE(numout,*) ' esopa test: use all advection scheme' |
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170 | ENDIF |
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171 | ! |
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172 | END SUBROUTINE trc_adv_ctl |
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173 | #else |
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174 | !!---------------------------------------------------------------------- |
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175 | !! Default option Empty module |
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176 | !!---------------------------------------------------------------------- |
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177 | CONTAINS |
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178 | SUBROUTINE trc_adv( kt ) |
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179 | INTEGER, INTENT(in) :: kt |
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180 | WRITE(*,*) 'trc_adv: You should not have seen this print! error?', kt |
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181 | END SUBROUTINE trc_adv |
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182 | #endif |
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183 | !!====================================================================== |
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184 | END MODULE trcadv |
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