1 | MODULE trdpen |
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2 | !!====================================================================== |
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3 | !! *** MODULE trdpen *** |
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4 | !! Ocean diagnostics: Potential Energy trends |
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5 | !!===================================================================== |
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6 | !! History : 3.5 ! 2012-02 (G. Madec) original code |
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7 | !!---------------------------------------------------------------------- |
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8 | |
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9 | !!---------------------------------------------------------------------- |
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10 | !! trd_pen : compute and output Potential Energy trends from T & S trends |
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11 | !! trd_pen_init : initialisation of PE trends |
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12 | !!---------------------------------------------------------------------- |
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13 | USE oce ! ocean dynamics and tracers variables |
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14 | USE dom_oce ! ocean domain |
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15 | USE sbc_oce ! surface boundary condition: ocean |
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16 | USE zdf_oce ! ocean vertical physics |
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17 | USE trd_oce ! trends: ocean variables |
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18 | USE eosbn2 ! equation of state and related derivatives |
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19 | USE ldftra ! lateral diffusion: eddy diffusivity & EIV coeff. |
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20 | USE zdfddm ! vertical physics: double diffusion |
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21 | USE phycst ! physical constants |
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22 | ! |
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23 | USE in_out_manager ! I/O manager |
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24 | USE iom ! I/O manager library |
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25 | USE lib_mpp ! MPP library |
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26 | |
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27 | IMPLICIT NONE |
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28 | PRIVATE |
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29 | |
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30 | PUBLIC trd_pen ! called by all trdtra module |
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31 | PUBLIC trd_pen_init ! called by all nemogcm module |
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32 | |
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33 | INTEGER :: nkstp ! current time step |
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34 | |
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35 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: rab_pe ! partial derivatives of PE anomaly with respect to T and S |
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36 | |
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37 | !! * Substitutions |
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38 | # include "vectopt_loop_substitute.h90" |
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39 | !!---------------------------------------------------------------------- |
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40 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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41 | !! $Id$ |
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42 | !! Software governed by the CeCILL license (see ./LICENSE) |
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43 | !!---------------------------------------------------------------------- |
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44 | CONTAINS |
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45 | |
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46 | INTEGER FUNCTION trd_pen_alloc() |
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47 | !!--------------------------------------------------------------------- |
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48 | !! *** FUNCTION trd_tra_alloc *** |
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49 | !!--------------------------------------------------------------------- |
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50 | ALLOCATE( rab_pe(jpi,jpj,jpk,jpts) , STAT= trd_pen_alloc ) |
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51 | ! |
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52 | CALL mpp_sum ( 'trdpen', trd_pen_alloc ) |
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53 | IF( trd_pen_alloc /= 0 ) CALL ctl_stop( 'STOP', 'trd_pen_alloc: failed to allocate arrays' ) |
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54 | END FUNCTION trd_pen_alloc |
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55 | |
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56 | |
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57 | SUBROUTINE trd_pen( ptrdx, ptrdy, ktrd, kt, pdt ) |
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58 | !!--------------------------------------------------------------------- |
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59 | !! *** ROUTINE trd_tra_mng *** |
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60 | !! |
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61 | !! ** Purpose : Dispatch all trends computation, e.g. 3D output, integral |
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62 | !! constraints, barotropic vorticity, kinetic enrgy, |
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63 | !! potential energy, and/or mixed layer budget. |
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64 | !!---------------------------------------------------------------------- |
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65 | REAL(wp), DIMENSION(:,:,:), INTENT(in) :: ptrdx, ptrdy ! Temperature & Salinity trends |
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66 | INTEGER , INTENT(in) :: ktrd ! tracer trend index |
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67 | INTEGER , INTENT(in) :: kt ! time step index |
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68 | REAL(wp) , INTENT(in) :: pdt ! time step [s] |
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69 | ! |
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70 | INTEGER :: jk ! dummy loop indices |
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71 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: z2d ! 2D workspace |
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72 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpe ! 3D workspace |
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73 | !!---------------------------------------------------------------------- |
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74 | ! |
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75 | zpe(:,:,:) = 0._wp |
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76 | ! |
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77 | IF( kt /= nkstp ) THEN ! full eos: set partial derivatives at the 1st call of kt time step |
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78 | nkstp = kt |
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79 | CALL eos_pen( tsn, rab_PE, zpe ) |
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80 | CALL iom_put( "alphaPE", rab_pe(:,:,:,jp_tem) ) |
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81 | CALL iom_put( "betaPE" , rab_pe(:,:,:,jp_sal) ) |
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82 | CALL iom_put( "PEanom" , zpe ) |
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83 | ENDIF |
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84 | ! |
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85 | zpe(:,:,jpk) = 0._wp |
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86 | DO jk = 1, jpkm1 |
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87 | zpe(:,:,jk) = ( - ( rab_n(:,:,jk,jp_tem) + rab_pe(:,:,jk,jp_tem) ) * ptrdx(:,:,jk) & |
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88 | & + ( rab_n(:,:,jk,jp_sal) + rab_pe(:,:,jk,jp_sal) ) * ptrdy(:,:,jk) ) |
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89 | END DO |
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90 | |
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91 | SELECT CASE ( ktrd ) |
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92 | CASE ( jptra_xad ) ; CALL iom_put( "petrd_xad", zpe ) ! zonal advection |
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93 | CASE ( jptra_yad ) ; CALL iom_put( "petrd_yad", zpe ) ! merid. advection |
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94 | CASE ( jptra_zad ) ; CALL iom_put( "petrd_zad", zpe ) ! vertical advection |
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95 | IF( ln_linssh ) THEN ! cst volume : adv flux through z=0 surface |
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96 | ALLOCATE( z2d(jpi,jpj) ) |
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97 | z2d(:,:) = wn(:,:,1) * ( & |
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98 | & - ( rab_n(:,:,1,jp_tem) + rab_pe(:,:,1,jp_tem) ) * tsn(:,:,1,jp_tem) & |
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99 | & + ( rab_n(:,:,1,jp_sal) + rab_pe(:,:,1,jp_sal) ) * tsn(:,:,1,jp_sal) & |
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100 | & ) / e3t_n(:,:,1) |
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101 | CALL iom_put( "petrd_sad" , z2d ) |
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102 | DEALLOCATE( z2d ) |
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103 | ENDIF |
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104 | CASE ( jptra_ldf ) ; CALL iom_put( "petrd_ldf" , zpe ) ! lateral diffusion |
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105 | CASE ( jptra_zdf ) ; CALL iom_put( "petrd_zdf" , zpe ) ! lateral diffusion (K_z) |
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106 | CASE ( jptra_zdfp ) ; CALL iom_put( "petrd_zdfp", zpe ) ! vertical diffusion (K_z) |
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107 | CASE ( jptra_dmp ) ; CALL iom_put( "petrd_dmp" , zpe ) ! internal 3D restoring (tradmp) |
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108 | CASE ( jptra_bbl ) ; CALL iom_put( "petrd_bbl" , zpe ) ! bottom boundary layer |
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109 | CASE ( jptra_npc ) ; CALL iom_put( "petrd_npc" , zpe ) ! non penetr convect adjustment |
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110 | CASE ( jptra_nsr ) ; CALL iom_put( "petrd_nsr" , zpe ) ! surface forcing + runoff (ln_rnf=T) |
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111 | CASE ( jptra_qsr ) ; CALL iom_put( "petrd_qsr" , zpe ) ! air-sea : penetrative sol radiat |
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112 | CASE ( jptra_bbc ) ; CALL iom_put( "petrd_bbc" , zpe ) ! bottom bound cond (geoth flux) |
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113 | CASE ( jptra_atf ) ; CALL iom_put( "petrd_atf" , zpe ) ! asselin time filter (last trend) |
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114 | !IF( ln_linssh ) THEN ! cst volume : ssh term (otherwise include in e3t variation) |
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115 | ! ALLOCATE( z2d(jpi,jpj) ) |
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116 | ! z2d(:,:) = ( ssha(:,:) - sshb(:,:) ) & |
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117 | ! & * ( dPE_dt(:,:,1) * tsn(:,:,1,jp_tem) & |
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118 | ! & + dPE_ds(:,:,1) * tsn(:,:,1,jp_sal) ) / ( e3t_n(:,:,1) * pdt ) |
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119 | ! CALL iom_put( "petrd_sad" , z2d ) |
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120 | ! DEALLOCATE( z2d ) |
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121 | !ENDIF |
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122 | ! |
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123 | END SELECT |
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124 | ! |
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125 | ! |
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126 | END SUBROUTINE trd_pen |
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127 | |
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128 | |
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129 | SUBROUTINE trd_pen_init |
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130 | !!--------------------------------------------------------------------- |
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131 | !! *** ROUTINE trd_pen_init *** |
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132 | !! |
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133 | !! ** Purpose : initialisation of 3D Kinetic Energy trend diagnostic |
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134 | !!---------------------------------------------------------------------- |
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135 | INTEGER :: ji, jj, jk ! dummy loop indices |
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136 | !!---------------------------------------------------------------------- |
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137 | ! |
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138 | IF(lwp) THEN |
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139 | WRITE(numout,*) |
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140 | WRITE(numout,*) 'trd_pen_init : 3D Potential ENergy trends' |
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141 | WRITE(numout,*) '~~~~~~~~~~~~~' |
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142 | ENDIF |
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143 | ! ! allocate box volume arrays |
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144 | IF ( trd_pen_alloc() /= 0 ) CALL ctl_stop('trd_pen_alloc: failed to allocate arrays') |
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145 | ! |
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146 | rab_pe(:,:,:,:) = 0._wp |
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147 | ! |
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148 | IF( .NOT.ln_linssh ) CALL ctl_stop('trd_pen_init : PE trends not coded for variable volume') |
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149 | ! |
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150 | nkstp = nit000 - 1 |
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151 | ! |
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152 | END SUBROUTINE trd_pen_init |
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153 | |
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154 | !!====================================================================== |
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155 | END MODULE trdpen |
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