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 : 1.0 ! 2006-11 (G. Madec) Original code |
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7 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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8 | !!---------------------------------------------------------------------- |
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9 | |
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10 | !!---------------------------------------------------------------------- |
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11 | !! dyn_adv : compute the momentum advection trend |
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12 | !! dyn_adv_init : control the different options of advection scheme |
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13 | !!---------------------------------------------------------------------- |
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14 | USE dom_oce ! ocean space and time domain |
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15 | USE dynadv_cen2 ! centred flux form advection (dyn_adv_cen2 routine) |
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16 | USE dynadv_ubs ! UBS flux form advection (dyn_adv_ubs routine) |
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17 | USE dynkeg ! kinetic energy gradient (dyn_keg routine) |
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18 | USE dynzad ! vertical advection (dyn_zad routine) |
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19 | USE in_out_manager ! I/O manager |
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20 | USE lib_mpp ! MPP library |
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21 | USE timing ! Timing |
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22 | |
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23 | IMPLICIT NONE |
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24 | PRIVATE |
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25 | |
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26 | PUBLIC dyn_adv ! routine called by step module |
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27 | PUBLIC dyn_adv_init ! routine called by opa module |
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28 | |
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29 | LOGICAL, PUBLIC :: ln_dynadv_vec = .TRUE. !: vector form flag |
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30 | LOGICAL, PUBLIC :: ln_dynadv_cen2 = .FALSE. !: flux form - 2nd order centered scheme flag |
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31 | LOGICAL, PUBLIC :: ln_dynadv_ubs = .FALSE. !: flux form - 3rd order UBS scheme flag |
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32 | |
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33 | INTEGER :: nadv ! choice of the formulation and scheme for the advection |
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34 | |
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35 | !! * Substitutions |
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36 | # include "domzgr_substitute.h90" |
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37 | # include "vectopt_loop_substitute.h90" |
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38 | !!---------------------------------------------------------------------- |
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39 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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40 | !! $Id$ |
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41 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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42 | !!---------------------------------------------------------------------- |
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43 | CONTAINS |
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44 | |
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45 | SUBROUTINE dyn_adv( kt ) |
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46 | !!--------------------------------------------------------------------- |
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47 | !! *** ROUTINE dyn_adv *** |
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48 | !! |
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49 | !! ** Purpose : compute the ocean momentum advection trend. |
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50 | !! |
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51 | !! ** Method : - Update (ua,va) with the advection term following nadv |
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52 | !! NB: in flux form advection (ln_dynadv_cen2 or ln_dynadv_ubs=T) |
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53 | !! a metric term is add to the coriolis term while in vector form |
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54 | !! it is the relative vorticity which is added to coriolis term |
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55 | !! (see dynvor module). |
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56 | !!---------------------------------------------------------------------- |
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57 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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58 | !!---------------------------------------------------------------------- |
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59 | ! |
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60 | IF( nn_timing == 1 ) CALL timing_start('dyn_adv') |
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61 | ! |
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62 | SELECT CASE ( nadv ) ! compute advection trend and add it to general trend |
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63 | CASE ( 0 ) |
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64 | CALL dyn_keg ( kt ) ! vector form : horizontal gradient of kinetic energy |
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65 | CALL dyn_zad ( kt ) ! vector form : vertical advection |
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66 | CASE ( 1 ) |
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67 | CALL dyn_adv_cen2( kt ) ! 2nd order centered scheme |
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68 | CASE ( 2 ) |
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69 | CALL dyn_adv_ubs ( kt ) ! 3rd order UBS scheme |
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70 | ! |
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71 | CASE (-1 ) ! esopa: test all possibility with control print |
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72 | CALL dyn_keg ( kt ) |
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73 | CALL dyn_zad ( kt ) |
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74 | CALL dyn_adv_cen2( kt ) |
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75 | CALL dyn_adv_ubs ( kt ) |
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76 | END SELECT |
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77 | ! |
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78 | IF( nn_timing == 1 ) CALL timing_stop('dyn_adv') |
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79 | ! |
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80 | END SUBROUTINE dyn_adv |
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81 | |
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82 | |
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83 | SUBROUTINE dyn_adv_init |
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84 | !!--------------------------------------------------------------------- |
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85 | !! *** ROUTINE dyn_adv_init *** |
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86 | !! |
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87 | !! ** Purpose : Control the consistency between namelist options for |
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88 | !! momentum advection formulation & scheme and set nadv |
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89 | !!---------------------------------------------------------------------- |
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90 | INTEGER :: ioptio |
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91 | !! |
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92 | NAMELIST/namdyn_adv/ ln_dynadv_vec, ln_dynadv_cen2 , ln_dynadv_ubs |
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93 | !!---------------------------------------------------------------------- |
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94 | |
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95 | REWIND ( numnam ) ! Read Namelist namdyn_adv : momentum advection scheme |
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96 | READ ( numnam, namdyn_adv ) |
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97 | |
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98 | IF(lwp) THEN ! Namelist print |
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99 | WRITE(numout,*) |
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100 | WRITE(numout,*) 'dyn_adv_init : choice/control of the momentum advection scheme' |
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101 | WRITE(numout,*) '~~~~~~~~~~~' |
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102 | WRITE(numout,*) ' Namelist namdyn_adv : chose a advection formulation & scheme for momentum' |
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103 | WRITE(numout,*) ' Vector/flux form (T/F) ln_dynadv_vec = ', ln_dynadv_vec |
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104 | WRITE(numout,*) ' 2nd order centred advection scheme ln_dynadv_cen2 = ', ln_dynadv_cen2 |
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105 | WRITE(numout,*) ' 3rd order UBS advection scheme ln_dynadv_ubs = ', ln_dynadv_ubs |
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106 | ENDIF |
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107 | |
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108 | ioptio = 0 ! Parameter control |
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109 | IF( ln_dynadv_vec ) ioptio = ioptio + 1 |
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110 | IF( ln_dynadv_cen2 ) ioptio = ioptio + 1 |
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111 | IF( ln_dynadv_ubs ) ioptio = ioptio + 1 |
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112 | IF( lk_esopa ) ioptio = 1 |
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113 | |
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114 | IF( ioptio /= 1 ) CALL ctl_stop( 'Choose ONE advection scheme in namelist namdyn_adv' ) |
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115 | |
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116 | ! ! Set nadv |
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117 | IF( ln_dynadv_vec ) nadv = 0 |
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118 | IF( ln_dynadv_cen2 ) nadv = 1 |
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119 | IF( ln_dynadv_ubs ) nadv = 2 |
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120 | IF( lk_esopa ) nadv = -1 |
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121 | |
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122 | IF(lwp) THEN ! Print the choice |
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123 | WRITE(numout,*) |
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124 | IF( nadv == 0 ) WRITE(numout,*) ' vector form : keg + zad + vor is used' |
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125 | IF( nadv == 1 ) WRITE(numout,*) ' flux form : 2nd order scheme is used' |
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126 | IF( nadv == 2 ) WRITE(numout,*) ' flux form : UBS scheme is used' |
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127 | IF( nadv == -1 ) WRITE(numout,*) ' esopa test: use all advection formulation' |
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128 | ENDIF |
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129 | ! |
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130 | END SUBROUTINE dyn_adv_init |
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131 | |
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132 | !!====================================================================== |
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133 | END MODULE dynadv |
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