1 | MODULE dynadv |
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2 | !!============================================================================== |
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3 | !! *** MODULE dynadv *** |
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4 | !! Ocean active tracers: advection scheme control |
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5 | !!============================================================================== |
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6 | !! History : 9.0 ! 06-11 (G. Madec) Original code |
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7 | !!---------------------------------------------------------------------- |
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8 | |
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9 | !!---------------------------------------------------------------------- |
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10 | !! dyn_adv : compute the momentum advection trend |
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11 | !! dyn_adv_ctl : control the different options of advection scheme |
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12 | !!---------------------------------------------------------------------- |
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13 | USE dom_oce ! ocean space and time domain |
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14 | USE in_out_manager ! I/O manager |
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15 | |
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16 | USE dynadv_cen2 ! centred flux form advection (dyn_adv_cen2 routine) |
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17 | USE dynadv_ubs ! UBS flux form advection (dyn_adv_ubs routine) |
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18 | USE dynkeg ! kinetic energy gradient (dyn_keg routine) |
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19 | USE dynzad ! vertical advection (dyn_zad routine) |
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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 dyn_adv ! routine called by step module |
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25 | |
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26 | LOGICAL, PUBLIC :: ln_dynadv_vec = .TRUE. ! vector form flag |
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27 | LOGICAL, PUBLIC :: ln_dynadv_cen2 = .FALSE. ! flux form - 2nd order centered scheme flag |
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28 | LOGICAL, PUBLIC :: ln_dynadv_ubs = .FALSE. ! flux form - 3rd order UBS scheme flag |
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29 | |
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30 | INTEGER :: nadv ! choice of the formulation and scheme for the advection |
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31 | |
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32 | !! * Substitutions |
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33 | # include "domzgr_substitute.h90" |
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34 | # include "vectopt_loop_substitute.h90" |
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35 | !!---------------------------------------------------------------------- |
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36 | !! OPA 9.0 , LOCEAN-IPSL (2006) |
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37 | !! $Id$ |
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38 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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39 | !!---------------------------------------------------------------------- |
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40 | |
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41 | CONTAINS |
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42 | |
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43 | SUBROUTINE dyn_adv( kt ) |
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44 | !!--------------------------------------------------------------------- |
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45 | !! *** ROUTINE dyn_adv *** |
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46 | !! |
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47 | !! ** Purpose : compute the ocean momentum advection trend. |
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48 | !! |
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49 | !! ** Method : - Update (ua,va) with the advection term following nadv |
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50 | !! NB: in flux form advection (ln_dynadv_cen2 or ln_dynadv_ubs=T) |
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51 | !! a metric term is add to the coriolis term while in vector form |
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52 | !! it is the relative vorticity which is added to coriolis term |
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53 | !! (see dynvor module). |
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54 | !!---------------------------------------------------------------------- |
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55 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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56 | !!---------------------------------------------------------------------- |
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57 | ! |
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58 | IF( kt == nit000 ) CALL dyn_adv_ctl ! initialisation & control of options |
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59 | |
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60 | SELECT CASE ( nadv ) ! compute advection trend and add it to general trend |
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61 | CASE ( 0 ) |
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62 | CALL dyn_keg ( kt ) ! vector form : horizontal gradient of kinetic energy |
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63 | CALL dyn_zad ( kt ) ! vector form : vertical advection |
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64 | CASE ( 1 ) |
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65 | CALL dyn_adv_cen2( kt ) ! 2nd order centered scheme |
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66 | CASE ( 2 ) |
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67 | CALL dyn_adv_ubs ( kt ) ! 3rd order UBS scheme |
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68 | ! |
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69 | CASE (-1 ) ! esopa: test all possibility with control print |
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70 | CALL dyn_keg ( kt ) |
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71 | CALL dyn_zad ( kt ) |
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72 | CALL dyn_adv_cen2( kt ) |
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73 | CALL dyn_adv_ubs ( kt ) |
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74 | END SELECT |
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75 | ! |
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76 | END SUBROUTINE dyn_adv |
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77 | |
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78 | |
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79 | SUBROUTINE dyn_adv_ctl |
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80 | !!--------------------------------------------------------------------- |
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81 | !! *** ROUTINE dyn_adv_ctl *** |
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82 | !! |
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83 | !! ** Purpose : Control the consistency between namelist options for |
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84 | !! momentum advection formulation & scheme and set nadv |
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85 | !!---------------------------------------------------------------------- |
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86 | INTEGER :: ioptio |
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87 | |
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88 | NAMELIST/nam_dynadv/ ln_dynadv_vec, ln_dynadv_cen2 , ln_dynadv_ubs |
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89 | !!---------------------------------------------------------------------- |
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90 | |
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91 | REWIND ( numnam ) ! Read Namelist nam_dynadv : momentum advection scheme |
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92 | READ ( numnam, nam_dynadv ) |
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93 | |
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94 | IF(lwp) THEN ! Namelist print |
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95 | WRITE(numout,*) |
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96 | WRITE(numout,*) 'dyn_adv_ctl : choice/control of the momentum advection scheme' |
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97 | WRITE(numout,*) '~~~~~~~~~~~' |
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98 | WRITE(numout,*) ' Namelist nam_dynadv : chose a advection formulation & scheme for momentum' |
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99 | WRITE(numout,*) ' Vector/flux form (T/F) ln_dynadv_vec = ', ln_dynadv_vec |
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100 | WRITE(numout,*) ' 2nd order centred advection scheme ln_dynadv_cen2 = ', ln_dynadv_cen2 |
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101 | WRITE(numout,*) ' 3rd order UBS advection scheme ln_dynadv_ubs = ', ln_dynadv_ubs |
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102 | ENDIF |
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103 | |
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104 | ioptio = 0 ! Parameter control |
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105 | IF( ln_dynadv_vec ) ioptio = ioptio + 1 |
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106 | IF( ln_dynadv_cen2 ) ioptio = ioptio + 1 |
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107 | IF( ln_dynadv_ubs ) ioptio = ioptio + 1 |
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108 | IF( lk_esopa ) ioptio = 1 |
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109 | |
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110 | IF( ioptio /= 1 ) CALL ctl_stop( 'Choose ONE advection scheme in namelist nam_dynadv' ) |
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111 | |
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112 | ! ! Set nadv |
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113 | IF( ln_dynadv_vec ) nadv = 0 |
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114 | IF( ln_dynadv_cen2 ) nadv = 1 |
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115 | IF( ln_dynadv_ubs ) nadv = 2 |
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116 | IF( lk_esopa ) nadv = -1 |
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117 | |
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118 | IF(lwp) THEN ! Print the choice |
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119 | WRITE(numout,*) |
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120 | IF( nadv == 0 ) WRITE(numout,*) ' vector form : keg + zad + vor is used' |
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121 | IF( nadv == 1 ) WRITE(numout,*) ' flux form : 2nd order scheme is used' |
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122 | IF( nadv == 2 ) WRITE(numout,*) ' flux form : UBS scheme is used' |
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123 | IF( nadv == -1 ) WRITE(numout,*) ' esopa test: use all advection formulation' |
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124 | ENDIF |
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125 | ! |
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126 | END SUBROUTINE dyn_adv_ctl |
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127 | |
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128 | !!====================================================================== |
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129 | END MODULE dynadv |
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