1 | MODULE traadv |
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2 | !!============================================================================== |
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3 | !! *** MODULE traadv *** |
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4 | !! Ocean active tracers: advection trend |
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5 | !!============================================================================== |
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6 | !! History : 2.0 ! 2005-11 (G. Madec) Original code |
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7 | !! 3.3 ! 2010-09 (C. Ethe, G. Madec) merge TRC-TRA + switch from velocity to transport |
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8 | !!---------------------------------------------------------------------- |
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9 | |
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10 | !!---------------------------------------------------------------------- |
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11 | !! tra_adv : compute ocean tracer advection trend |
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12 | !! tra_adv_ctl : control the different options of advection scheme |
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13 | !!---------------------------------------------------------------------- |
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14 | USE oce ! ocean dynamics and active tracers |
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15 | USE dom_oce ! ocean space and time domain |
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16 | USE traadv_cen2 ! 2nd order centered scheme (tra_adv_cen2 routine) |
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17 | USE traadv_tvd ! TVD scheme (tra_adv_tvd routine) |
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18 | USE traadv_muscl ! MUSCL scheme (tra_adv_muscl routine) |
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19 | USE traadv_muscl2 ! MUSCL2 scheme (tra_adv_muscl2 routine) |
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20 | USE traadv_ubs ! UBS scheme (tra_adv_ubs routine) |
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21 | USE traadv_qck ! QUICKEST scheme (tra_adv_qck routine) |
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22 | USE traadv_eiv ! eddy induced velocity (tra_adv_eiv routine) |
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23 | USE cla ! cross land advection (cla_traadv routine) |
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24 | USE ldftra_oce ! lateral diffusion coefficient on tracers |
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25 | USE in_out_manager ! I/O manager |
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26 | USE iom ! I/O module |
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27 | USE prtctl ! Print control |
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28 | USE lib_mpp ! MPP library |
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29 | USE wrk_nemo ! Memory Allocation |
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30 | USE timing ! Timing |
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31 | |
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32 | |
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33 | IMPLICIT NONE |
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34 | PRIVATE |
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35 | |
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36 | PUBLIC tra_adv ! routine called by step module |
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37 | PUBLIC tra_adv_init ! routine called by opa module |
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38 | |
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39 | ! !!* Namelist namtra_adv * |
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40 | LOGICAL :: ln_traadv_cen2 = .TRUE. ! 2nd order centered scheme flag |
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41 | LOGICAL :: ln_traadv_tvd = .FALSE. ! TVD scheme flag |
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42 | LOGICAL :: ln_traadv_muscl = .FALSE. ! MUSCL scheme flag |
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43 | LOGICAL :: ln_traadv_muscl2 = .FALSE. ! MUSCL2 scheme flag |
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44 | LOGICAL :: ln_traadv_ubs = .FALSE. ! UBS scheme flag |
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45 | LOGICAL :: ln_traadv_qck = .FALSE. ! QUICKEST scheme flag |
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46 | |
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47 | INTEGER :: nadv ! choice of the type of advection scheme |
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48 | |
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49 | !! * Substitutions |
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50 | # include "domzgr_substitute.h90" |
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51 | # include "vectopt_loop_substitute.h90" |
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52 | !!---------------------------------------------------------------------- |
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53 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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54 | !! $Id$ |
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55 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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56 | !!---------------------------------------------------------------------- |
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57 | CONTAINS |
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58 | |
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59 | SUBROUTINE tra_adv( kt ) |
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60 | !!---------------------------------------------------------------------- |
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61 | !! *** ROUTINE tra_adv *** |
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62 | !! |
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63 | !! ** Purpose : compute the ocean tracer advection trend. |
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64 | !! |
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65 | !! ** Method : - Update (ua,va) with the advection term following nadv |
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66 | !!---------------------------------------------------------------------- |
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67 | ! |
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68 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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69 | ! |
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70 | INTEGER :: jk ! dummy loop index |
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71 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zun, zvn, zwn |
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72 | !!---------------------------------------------------------------------- |
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73 | ! |
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74 | IF( nn_timing == 1 ) CALL timing_start('tra_adv') |
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75 | ! |
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76 | CALL wrk_alloc( jpi, jpj, jpk, zun, zvn, zwn ) |
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77 | ! ! set time step |
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78 | IF( neuler == 0 .AND. kt == nit000 ) THEN ! at nit000 |
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79 | r2dtra(:) = rdttra(:) ! = rdtra (restarting with Euler time stepping) |
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80 | ELSEIF( kt <= nit000 + 1) THEN ! at nit000 or nit000+1 |
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81 | r2dtra(:) = 2._wp * rdttra(:) ! = 2 rdttra (leapfrog) |
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82 | ENDIF |
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83 | ! |
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84 | IF( nn_cla == 1 ) CALL cla_traadv( kt ) !== Cross Land Advection ==! (hor. advection) |
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85 | ! |
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86 | ! !== effective transport ==! |
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87 | DO jk = 1, jpkm1 |
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88 | zun(:,:,jk) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) ! eulerian transport only |
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89 | zvn(:,:,jk) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
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90 | zwn(:,:,jk) = e1t(:,:) * e2t(:,:) * wn(:,:,jk) |
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91 | END DO |
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92 | zun(:,:,jpk) = 0._wp ! no transport trough the bottom |
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93 | zvn(:,:,jpk) = 0._wp ! no transport trough the bottom |
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94 | zwn(:,:,jpk) = 0._wp ! no transport trough the bottom |
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95 | ! |
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96 | IF( lk_traldf_eiv .AND. .NOT. ln_traldf_grif ) & |
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97 | & CALL tra_adv_eiv( kt, nit000, zun, zvn, zwn, 'TRA' ) ! add the eiv transport (if necessary) |
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98 | ! |
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99 | CALL iom_put( "uocetr_eff", zun ) ! output effective transport |
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100 | CALL iom_put( "vocetr_eff", zvn ) |
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101 | CALL iom_put( "wocetr_eff", zwn ) |
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102 | |
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103 | SELECT CASE ( nadv ) !== compute advection trend and add it to general trend ==! |
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104 | CASE ( 1 ) ; CALL tra_adv_cen2 ( kt, nit000, 'TRA', zun, zvn, zwn, tsb, tsn, tsa, jpts ) ! 2nd order centered |
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105 | CASE ( 2 ) ; CALL tra_adv_tvd ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) ! TVD |
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106 | CASE ( 3 ) ; CALL tra_adv_muscl ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsa, jpts ) ! MUSCL |
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107 | CASE ( 4 ) ; CALL tra_adv_muscl2( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) ! MUSCL2 |
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108 | CASE ( 5 ) ; CALL tra_adv_ubs ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) ! UBS |
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109 | CASE ( 6 ) ; CALL tra_adv_qck ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) ! QUICKEST |
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110 | ! |
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111 | CASE (-1 ) !== esopa: test all possibility with control print ==! |
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112 | CALL tra_adv_cen2 ( kt, nit000, 'TRA', zun, zvn, zwn, tsb, tsn, tsa, jpts ) |
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113 | CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv0 - Ta: ', mask1=tmask, & |
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114 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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115 | CALL tra_adv_tvd ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) |
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116 | CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv1 - Ta: ', mask1=tmask, & |
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117 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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118 | CALL tra_adv_muscl ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsa, jpts ) |
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119 | CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv3 - Ta: ', mask1=tmask, & |
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120 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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121 | CALL tra_adv_muscl2( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) |
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122 | CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv4 - Ta: ', mask1=tmask, & |
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123 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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124 | CALL tra_adv_ubs ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) |
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125 | CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv5 - Ta: ', mask1=tmask, & |
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126 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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127 | CALL tra_adv_qck ( kt, nit000, 'TRA', r2dtra, zun, zvn, zwn, tsb, tsn, tsa, jpts ) |
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128 | CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv6 - Ta: ', mask1=tmask, & |
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129 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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130 | END SELECT |
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131 | ! |
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132 | ! ! print mean trends (used for debugging) |
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133 | IF(ln_ctl) CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv - Ta: ', mask1=tmask, & |
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134 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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135 | ! |
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136 | IF( nn_timing == 1 ) CALL timing_stop('tra_adv') |
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137 | ! |
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138 | CALL wrk_dealloc( jpi, jpj, jpk, zun, zvn, zwn ) |
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139 | ! |
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140 | END SUBROUTINE tra_adv |
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141 | |
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142 | |
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143 | SUBROUTINE tra_adv_init |
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144 | !!--------------------------------------------------------------------- |
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145 | !! *** ROUTINE tra_adv_init *** |
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146 | !! |
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147 | !! ** Purpose : Control the consistency between namelist options for |
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148 | !! tracer advection schemes and set nadv |
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149 | !!---------------------------------------------------------------------- |
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150 | INTEGER :: ioptio |
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151 | !! |
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152 | NAMELIST/namtra_adv/ ln_traadv_cen2 , ln_traadv_tvd, & |
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153 | & ln_traadv_muscl, ln_traadv_muscl2, & |
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154 | & ln_traadv_ubs , ln_traadv_qck |
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155 | !!---------------------------------------------------------------------- |
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156 | |
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157 | REWIND( numnam ) ! Read Namelist namtra_adv : tracer advection scheme |
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158 | READ ( numnam, namtra_adv ) |
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159 | |
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160 | IF(lwp) THEN ! Namelist print |
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161 | WRITE(numout,*) |
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162 | WRITE(numout,*) 'tra_adv_init : choice/control of the tracer advection scheme' |
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163 | WRITE(numout,*) '~~~~~~~~~~~' |
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164 | WRITE(numout,*) ' Namelist namtra_adv : chose a advection scheme for tracers' |
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165 | WRITE(numout,*) ' 2nd order advection scheme ln_traadv_cen2 = ', ln_traadv_cen2 |
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166 | WRITE(numout,*) ' TVD advection scheme ln_traadv_tvd = ', ln_traadv_tvd |
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167 | WRITE(numout,*) ' MUSCL advection scheme ln_traadv_muscl = ', ln_traadv_muscl |
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168 | WRITE(numout,*) ' MUSCL2 advection scheme ln_traadv_muscl2 = ', ln_traadv_muscl2 |
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169 | WRITE(numout,*) ' UBS advection scheme ln_traadv_ubs = ', ln_traadv_ubs |
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170 | WRITE(numout,*) ' QUICKEST advection scheme ln_traadv_qck = ', ln_traadv_qck |
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171 | ENDIF |
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172 | |
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173 | ioptio = 0 ! Parameter control |
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174 | IF( ln_traadv_cen2 ) ioptio = ioptio + 1 |
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175 | IF( ln_traadv_tvd ) ioptio = ioptio + 1 |
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176 | IF( ln_traadv_muscl ) ioptio = ioptio + 1 |
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177 | IF( ln_traadv_muscl2 ) ioptio = ioptio + 1 |
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178 | IF( ln_traadv_ubs ) ioptio = ioptio + 1 |
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179 | IF( ln_traadv_qck ) ioptio = ioptio + 1 |
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180 | IF( lk_esopa ) ioptio = 1 |
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181 | |
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182 | IF( ioptio /= 1 ) CALL ctl_stop( 'Choose ONE advection scheme in namelist namtra_adv' ) |
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183 | |
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184 | ! ! Set nadv |
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185 | IF( ln_traadv_cen2 ) nadv = 1 |
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186 | IF( ln_traadv_tvd ) nadv = 2 |
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187 | IF( ln_traadv_muscl ) nadv = 3 |
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188 | IF( ln_traadv_muscl2 ) nadv = 4 |
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189 | IF( ln_traadv_ubs ) nadv = 5 |
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190 | IF( ln_traadv_qck ) nadv = 6 |
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191 | IF( lk_esopa ) nadv = -1 |
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192 | |
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193 | IF(lwp) THEN ! Print the choice |
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194 | WRITE(numout,*) |
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195 | IF( nadv == 1 ) WRITE(numout,*) ' 2nd order scheme is used' |
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196 | IF( nadv == 2 ) WRITE(numout,*) ' TVD scheme is used' |
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197 | IF( nadv == 3 ) WRITE(numout,*) ' MUSCL scheme is used' |
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198 | IF( nadv == 4 ) WRITE(numout,*) ' MUSCL2 scheme is used' |
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199 | IF( nadv == 5 ) WRITE(numout,*) ' UBS scheme is used' |
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200 | IF( nadv == 6 ) WRITE(numout,*) ' QUICKEST scheme is used' |
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201 | IF( nadv == -1 ) WRITE(numout,*) ' esopa test: use all advection scheme' |
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202 | ENDIF |
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203 | ! |
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204 | END SUBROUTINE tra_adv_init |
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205 | |
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206 | !!====================================================================== |
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207 | END MODULE traadv |
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