1 | MODULE zdftke |
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2 | !!====================================================================== |
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3 | !! *** MODULE zdftke *** |
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4 | !! Ocean physics: vertical mixing coefficient compute from the tke |
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5 | !! turbulent closure parameterization |
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6 | !!===================================================================== |
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7 | #if defined key_zdftke || defined key_esopa |
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8 | !!---------------------------------------------------------------------- |
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9 | !! 'key_zdftke' TKE scheme |
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10 | !!---------------------------------------------------------------------- |
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11 | !! zdf_tke : update momentum and tracer Kz from a tke scheme |
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12 | !! zdf_tke_init : initialization, namelist read, and parameters control |
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13 | !!---------------------------------------------------------------------- |
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14 | !! * Modules used |
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15 | USE oce ! ocean dynamics and active tracers |
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16 | USE dom_oce ! ocean space and time domain |
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17 | USE zdf_oce ! ocean vertical physics |
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18 | USE in_out_manager ! I/O manager |
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19 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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20 | USE phycst ! physical constants |
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21 | USE taumod ! surface stress |
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22 | USE prtctl ! Print control |
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23 | |
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24 | IMPLICIT NONE |
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25 | PRIVATE |
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26 | |
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27 | !! * Routine accessibility |
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28 | PUBLIC zdf_tke ! routine called by step.F90 |
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29 | |
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30 | !! * Share Module variables |
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31 | LOGICAL, PUBLIC, PARAMETER :: lk_zdftke = .TRUE. !: TKE vertical mixing flag |
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32 | LOGICAL, PUBLIC :: & !!: ** tke namelist (namtke) ** |
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33 | ln_rstke = .FALSE. !: =T restart with tke from a run without tke with |
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34 | ! ! a none zero initial value for en |
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35 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
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36 | en !: now turbulent kinetic energy |
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37 | |
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38 | !! * Module variables |
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39 | INTEGER :: & !!! ** tke namelist (namtke) ** |
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40 | nitke = 50 , & ! number of restart iterative loops |
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41 | nmxl = 2 , & ! = 0/1/2/3 flag for the type of mixing length used |
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42 | npdl = 1 , & ! = 0/1/2 flag on prandtl number on vert. eddy coeff. |
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43 | nave = 1 , & ! = 0/1 flag for horizontal average on avt, avmu, avmv |
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44 | navb = 0 ! = 0/1 flag for constant or profile background avt |
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45 | REAL(wp) :: & !!! ** tke namlist (namtke) ** |
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46 | ediff = 0.1_wp , & ! coeff. for vertical eddy coef.; avt=ediff*mxl*sqrt(e) |
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47 | ediss = 0.7_wp , & ! coef. of the Kolmogoroff dissipation |
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48 | ebb = 3.75_wp , & ! coef. of the surface input of tke |
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49 | efave = 1._wp , & ! coef. for the tke vert. diff. coeff.; avtke=efave*avm |
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50 | emin = 0.7071e-6_wp , & ! minimum value of tke (m2/s2) |
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51 | emin0 = 1.e-4_wp , & ! surface minimum value of tke (m2/s2) |
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52 | ri_c = 2._wp / 9._wp ! critic Richardson number |
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53 | REAL(wp) :: & |
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54 | eboost ! multiplicative coeff of the shear product. |
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55 | |
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56 | !! caution vectopt_memory change the solution (last digit of the solver stat) |
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57 | # if defined key_vectopt_memory |
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58 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
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59 | etmean, & ! coefficient used for horizontal smoothing |
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60 | eumean, & ! at t-, u- and v-points |
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61 | evmean ! |
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62 | # endif |
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63 | |
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64 | # if defined key_cfg_1d |
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65 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & |
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66 | e_dis, & ! dissipation turbulent lengh scale |
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67 | e_mix, & ! mixing turbulent lengh scale |
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68 | e_pdl, & ! prandl number |
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69 | e_ric ! local Richardson number |
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70 | #endif |
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71 | |
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72 | !! * Substitutions |
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73 | # include "domzgr_substitute.h90" |
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74 | # include "vectopt_loop_substitute.h90" |
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75 | !!---------------------------------------------------------------------- |
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76 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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77 | !! $Header$ |
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78 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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79 | !!---------------------------------------------------------------------- |
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80 | |
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81 | CONTAINS |
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82 | |
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83 | # if defined key_autotasking |
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84 | !!---------------------------------------------------------------------- |
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85 | !! 'key_autotasking' : j-k-i loop (j-slab) |
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86 | !!---------------------------------------------------------------------- |
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87 | # include "zdftke_atsk.h90" |
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88 | |
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89 | # else |
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90 | !!---------------------------------------------------------------------- |
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91 | !! default option : k-j-i loop |
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92 | !!---------------------------------------------------------------------- |
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93 | |
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94 | SUBROUTINE zdf_tke ( kt ) |
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95 | !!---------------------------------------------------------------------- |
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96 | !! *** ROUTINE zdf_tke *** |
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97 | !! |
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98 | !! ** Purpose : Compute the vertical eddy viscosity and diffusivity |
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99 | !! coefficients using a 1.5 turbulent closure scheme. |
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100 | !! |
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101 | !! ** Method : The time evolution of the turbulent kinetic energy |
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102 | !! (tke) is computed from a prognostic equation : |
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103 | !! d(en)/dt = eboost eav (d(u)/dz)**2 ! shear production |
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104 | !! + d( efave eav d(en)/dz )/dz ! diffusion of tke |
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105 | !! + grav/rau0 pdl eav d(rau)/dz ! stratif. destruc. |
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106 | !! - ediss / emxl en**(2/3) ! dissipation |
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107 | !! with the boundary conditions: |
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108 | !! surface: en = max( emin0,ebb sqrt(taux^2 + tauy^2) ) |
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109 | !! bottom : en = emin |
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110 | !! -1- The dissipation and mixing turbulent lengh scales are computed |
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111 | !! from the usual diagnostic buoyancy length scale: |
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112 | !! mxl= 1/(sqrt(en)/N) WHERE N is the brunt-vaisala frequency |
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113 | !! Four cases : |
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114 | !! nmxl=0 : mxl bounded by the distance to surface and bottom. |
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115 | !! zmxld = zmxlm = mxl |
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116 | !! nmxl=1 : mxl bounded by the vertical scale factor. |
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117 | !! zmxld = zmxlm = mxl |
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118 | !! nmxl=2 : mxl bounded such that the vertical derivative of mxl |
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119 | !! is less than 1 (|d/dz(xml)|<1). |
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120 | !! zmxld = zmxlm = mxl |
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121 | !! nmxl=3 : lup = mxl bounded using |d/dz(xml)|<1 from the surface |
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122 | !! to the bottom |
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123 | !! ldown = mxl bounded using |d/dz(xml)|<1 from the bottom |
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124 | !! to the surface |
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125 | !! zmxld = sqrt (lup*ldown) ; zmxlm = min(lup,ldown) |
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126 | !! -2- Compute the now Turbulent kinetic energy. The time differencing |
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127 | !! is implicit for vertical diffusion term, linearized for kolmo- |
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128 | !! goroff dissipation term, and explicit forward for both buoyancy |
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129 | !! and dynamic production terms. Thus a tridiagonal linear system is |
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130 | !! solved. |
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131 | !! Note that - the shear production is multiplied by eboost in order |
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132 | !! to set the critic richardson number to ri_c (namelist parameter) |
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133 | !! - the destruction by stratification term is multiplied |
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134 | !! by the Prandtl number (defined by an empirical funtion of the local |
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135 | !! Richardson number) if npdl=1 (namelist parameter) |
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136 | !! coefficient (zesh2): |
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137 | !! -3- Compute the now vertical eddy vicosity and diffusivity |
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138 | !! coefficients from en (before the time stepping) and zmxlm: |
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139 | !! avm = max( avtb, ediff*zmxlm*en^1/2 ) |
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140 | !! avt = max( avmb, pdl*avm ) (pdl=1 if npdl=0) |
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141 | !! eav = max( avmb, avm ) |
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142 | !! avt and avm are horizontally averaged to avoid numerical insta- |
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143 | !! bilities. |
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144 | !! N.B. The computation is done from jk=2 to jpkm1 except for |
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145 | !! en. Surface value of avt avmu avmv are set once a time to |
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146 | !! their background value in routine zdf_tke_init. |
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147 | !! |
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148 | !! ** Action : compute en (now turbulent kinetic energy) |
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149 | !! update avt, avmu, avmv (before vertical eddy coef.) |
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150 | !! |
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151 | !! References : |
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152 | !! Gaspar et al., jgr, 95, 1990, |
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153 | !! Blanke and Delecluse, jpo, 1991 |
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154 | !! History : |
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155 | !! 6.0 ! 91-03 (b. blanke) Original code |
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156 | !! 7.0 ! 91-11 (G. Madec) bug fix |
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157 | !! 7.1 ! 92-10 (G. Madec) new mixing length and eav |
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158 | !! 7.2 ! 93-03 (M. Guyon) symetrical conditions |
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159 | !! 7.3 ! 94-08 (G. Madec, M. Imbard) npdl flag |
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160 | !! 7.5 ! 96-01 (G. Madec) s-coordinates |
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161 | !! 8.0 ! 97-07 (G. Madec) lbc |
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162 | !! 8.1 ! 99-01 (E. Stretta) new option for the mixing length |
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163 | !! 8.5 ! 02-08 (G. Madec) ri_c and Free form, F90 |
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164 | !! 9.0 ! 04-10 (C. Ethe ) 1D configuration |
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165 | !!---------------------------------------------------------------------- |
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166 | !! * Modules used |
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167 | USE oce , zwd => ua, & ! use ua as workspace |
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168 | & zmxlm => ta, & ! use ta as workspace |
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169 | & zmxld => sa ! use sa as workspace |
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170 | |
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171 | !! * arguments |
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172 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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173 | |
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174 | !! * local declarations |
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175 | INTEGER :: ji, jj, jk ! dummy loop arguments |
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176 | REAL(wp) :: & |
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177 | zmlmin, zbbrau, & ! temporary scalars |
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178 | zfact1, zfact2, zfact3, & ! |
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179 | zrn2, zesurf, & ! |
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180 | ztx2, zty2, zav, & ! |
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181 | zcoef, zcof, zsh2, & ! |
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182 | zdku, zdkv, zpdl, zri, & ! |
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183 | zsqen, zesh2, & ! |
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184 | zemxl, zemlm, zemlp |
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185 | !!-------------------------------------------------------------------- |
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186 | |
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187 | ! Initialization (first time-step only) |
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188 | ! -------------- |
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189 | IF( kt == nit000 ) CALL zdf_tke_init |
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190 | |
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191 | ! Local constant initialization |
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192 | zmlmin = 1.e-8 |
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193 | zbbrau = .5 * ebb / rau0 |
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194 | zfact1 = -.5 * rdt * efave |
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195 | zfact2 = 1.5 * rdt * ediss |
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196 | zfact3 = 0.5 * rdt * ediss |
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197 | |
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198 | |
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199 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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200 | ! I. Mixing length |
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201 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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202 | |
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203 | |
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204 | ! Buoyancy length scale: l=sqrt(2*e/n**2) |
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205 | ! --------------------- |
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206 | zmxlm(:,:, 1 ) = zmlmin ! surface set to the minimum value |
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207 | zmxlm(:,:,jpk) = zmlmin ! bottom set to the minimum value |
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208 | !CDIR NOVERRCHK |
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209 | DO jk = 2, jpkm1 |
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210 | !CDIR NOVERRCHK |
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211 | DO jj = 2, jpjm1 |
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212 | !CDIR NOVERRCHK |
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213 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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214 | zrn2 = MAX( rn2(ji,jj,jk), rsmall ) |
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215 | zmxlm(ji,jj,jk) = MAX( SQRT( 2. * en(ji,jj,jk) / zrn2 ), zmlmin ) |
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216 | END DO |
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217 | END DO |
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218 | END DO |
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219 | |
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220 | |
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221 | ! Physical limits for the mixing length |
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222 | ! ------------------------------------- |
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223 | zmxld(:,:, 1 ) = zmlmin ! surface set to the minimum value |
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224 | zmxld(:,:,jpk) = zmlmin ! bottom set to the minimum value |
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225 | |
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226 | SELECT CASE ( nmxl ) |
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227 | |
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228 | CASE ( 0 ) ! bounded by the distance to surface and bottom |
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229 | DO jk = 2, jpkm1 |
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230 | DO jj = 2, jpjm1 |
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231 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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232 | zemxl = MIN( fsdepw(ji,jj,jk), zmxlm(ji,jj,jk), & |
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233 | & fsdepw(ji,jj,mbathy(ji,jj)) - fsdepw(ji,jj,jk) ) |
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234 | zmxlm(ji,jj,jk) = zemxl |
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235 | zmxld(ji,jj,jk) = zemxl |
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236 | END DO |
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237 | END DO |
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238 | END DO |
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239 | |
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240 | CASE ( 1 ) ! bounded by the vertical scale factor |
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241 | DO jk = 2, jpkm1 |
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242 | DO jj = 2, jpjm1 |
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243 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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244 | zemxl = MIN( fse3w(ji,jj,jk), zmxlm(ji,jj,jk) ) |
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245 | zmxlm(ji,jj,jk) = zemxl |
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246 | zmxld(ji,jj,jk) = zemxl |
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247 | END DO |
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248 | END DO |
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249 | END DO |
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250 | |
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251 | CASE ( 2 ) ! |dk[xml]| bounded by e3t : |
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252 | DO jk = 2, jpkm1 ! from the surface to the bottom : |
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253 | DO jj = 2, jpjm1 |
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254 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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255 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
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256 | END DO |
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257 | END DO |
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258 | END DO |
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259 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : |
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260 | DO jj = 2, jpjm1 |
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261 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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262 | zemxl = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
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263 | zmxlm(ji,jj,jk) = zemxl |
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264 | zmxld(ji,jj,jk) = zemxl |
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265 | END DO |
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266 | END DO |
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267 | END DO |
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268 | |
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269 | CASE ( 3 ) ! lup and ldown, |dk[xml]| bounded by e3t : |
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270 | DO jk = 2, jpkm1 ! from the surface to the bottom : lup |
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271 | DO jj = 2, jpjm1 |
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272 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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273 | zmxld(ji,jj,jk) = MIN( zmxld(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
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274 | END DO |
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275 | END DO |
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276 | END DO |
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277 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : ldown |
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278 | DO jj = 2, jpjm1 |
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279 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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280 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
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281 | END DO |
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282 | END DO |
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283 | END DO |
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284 | !CDIR NOVERRCHK |
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285 | DO jk = 2, jpkm1 |
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286 | !CDIR NOVERRCHK |
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287 | DO jj = 2, jpjm1 |
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288 | !CDIR NOVERRCHK |
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289 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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290 | zemlm = MIN ( zmxld(ji,jj,jk), zmxlm(ji,jj,jk) ) |
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291 | zemlp = SQRT( zmxld(ji,jj,jk) * zmxlm(ji,jj,jk) ) |
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292 | zmxlm(ji,jj,jk) = zemlm |
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293 | zmxld(ji,jj,jk) = zemlp |
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294 | END DO |
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295 | END DO |
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296 | END DO |
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297 | |
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298 | END SELECT |
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299 | |
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300 | # if defined key_cfg_1d |
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301 | ! save mixing and dissipation turbulent length scales |
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302 | e_dis(:,:,:) = zmxld(:,:,:) |
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303 | e_mix(:,:,:) = zmxlm(:,:,:) |
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304 | # endif |
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305 | |
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306 | |
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307 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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308 | ! II Tubulent kinetic energy time stepping |
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309 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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310 | |
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311 | |
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312 | ! 1. Vertical eddy viscosity on tke (put in zmxlm) and first estimate of avt |
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313 | ! --------------------------------------------------------------------- |
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314 | !CDIR NOVERRCHK |
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315 | DO jk = 2, jpkm1 |
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316 | !CDIR NOVERRCHK |
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317 | DO jj = 2, jpjm1 |
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318 | !CDIR NOVERRCHK |
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319 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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320 | zsqen = SQRT( en(ji,jj,jk) ) |
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321 | zav = ediff * zmxlm(ji,jj,jk) * zsqen |
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322 | avt (ji,jj,jk) = MAX( zav, avtb(jk) ) * tmask(ji,jj,jk) |
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323 | zmxlm(ji,jj,jk) = MAX( zav, avmb(jk) ) * tmask(ji,jj,jk) |
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324 | zmxld(ji,jj,jk) = zsqen / zmxld(ji,jj,jk) |
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325 | END DO |
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326 | END DO |
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327 | END DO |
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328 | |
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329 | ! 2. Surface boundary condition on tke and its eddy viscosity (zmxlm) |
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330 | ! ------------------------------------------------- |
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331 | ! en(1) = ebb sqrt(taux^2+tauy^2) / rau0 (min value emin0) |
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332 | ! zmxlm(1) = avmb(1) and zmxlm(jpk) = 0. |
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333 | !CDIR NOVERRCHK |
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334 | DO jj = 2, jpjm1 |
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335 | !CDIR NOVERRCHK |
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336 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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337 | ztx2 = taux(ji-1,jj ) + taux(ji,jj) |
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338 | zty2 = tauy(ji ,jj-1) + tauy(ji,jj) |
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339 | zesurf = zbbrau * SQRT( ztx2 * ztx2 + zty2 * zty2 ) |
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340 | en (ji,jj,1) = MAX( zesurf, emin0 ) * tmask(ji,jj,1) |
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341 | zmxlm(ji,jj,1 ) = avmb(1) * tmask(ji,jj,1) |
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342 | zmxlm(ji,jj,jpk) = 0.e0 |
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343 | END DO |
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344 | END DO |
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345 | |
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346 | ! 3. Now Turbulent kinetic energy (output in en) |
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347 | ! ------------------------------- |
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348 | ! Resolution of a tridiagonal linear system by a "methode de chasse" |
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349 | ! computation from level 2 to jpkm1 (e(1) already computed and |
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350 | ! e(jpk)=0 ). |
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351 | |
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352 | SELECT CASE ( npdl ) |
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353 | |
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354 | CASE ( 0 ) ! No Prandtl number |
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355 | DO jk = 2, jpkm1 |
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356 | DO jj = 2, jpjm1 |
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357 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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358 | ! zesh2 = eboost * (du/dz)^2 - N^2 |
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359 | zcoef = 0.5 / fse3w(ji,jj,jk) |
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360 | ! shear |
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361 | zdku = zcoef * ( ub(ji-1, jj ,jk-1) + ub(ji,jj,jk-1) & |
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362 | & - ub(ji-1, jj ,jk ) - ub(ji,jj,jk ) ) |
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363 | zdkv = zcoef * ( vb( ji ,jj-1,jk-1) + vb(ji,jj,jk-1) & |
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364 | & - vb( ji ,jj-1,jk ) - vb(ji,jj,jk ) ) |
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365 | ! coefficient (zesh2) |
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366 | zesh2 = eboost * ( zdku*zdku + zdkv*zdkv ) - rn2(ji,jj,jk) |
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367 | |
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368 | ! Matrix |
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369 | zcof = zfact1 * tmask(ji,jj,jk) |
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370 | ! lower diagonal |
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371 | avmv(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk ) + zmxlm(ji,jj,jk-1) ) & |
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372 | & / ( fse3t(ji,jj,jk-1) * fse3w(ji,jj,jk ) ) |
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373 | ! upper diagonal |
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374 | avmu(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk+1) + zmxlm(ji,jj,jk ) ) & |
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375 | & / ( fse3t(ji,jj,jk ) * fse3w(ji,jj,jk) ) |
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376 | ! diagonal |
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377 | zwd(ji,jj,jk) = 1. - avmv(ji,jj,jk) - avmu(ji,jj,jk) + zfact2 * zmxld(ji,jj,jk) |
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378 | ! right hand side in en |
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379 | en(ji,jj,jk) = en(ji,jj,jk) + zfact3 * zmxld(ji,jj,jk) * en (ji,jj,jk) & |
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380 | & + rdt * zmxlm(ji,jj,jk) * zesh2 |
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381 | END DO |
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382 | END DO |
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383 | END DO |
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384 | |
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385 | CASE ( 1 ) ! Prandtl number |
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386 | DO jk = 2, jpkm1 |
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387 | DO jj = 2, jpjm1 |
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388 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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389 | ! zesh2 = eboost * (du/dz)^2 - pdl * N^2 |
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390 | zcoef = 0.5 / fse3w(ji,jj,jk) |
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391 | ! shear |
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392 | zdku = zcoef * ( ub(ji-1,jj ,jk-1) + ub(ji,jj,jk-1) & |
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393 | & - ub(ji-1,jj ,jk ) - ub(ji,jj,jk ) ) |
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394 | zdkv = zcoef * ( vb(ji ,jj-1,jk-1) + vb(ji,jj,jk-1) & |
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395 | & - vb(ji ,jj-1,jk ) - vb(ji,jj,jk ) ) |
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396 | ! square of vertical shear |
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397 | zsh2 = zdku * zdku + zdkv * zdkv |
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398 | ! local Richardson number |
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399 | zri = MAX( rn2(ji,jj,jk), 0. ) / ( zsh2 + 1.e-20 ) |
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400 | # if defined key_cfg_1d |
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401 | ! save masked local Richardson number in zmxlm array |
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402 | e_ric(ji,jj,jk) = zri * tmask(ji,jj,jk) |
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403 | # endif |
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404 | ! Prandtl number |
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405 | zpdl = 1.0 |
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406 | IF( zri >= 0.2 ) zpdl = 0.2 / zri |
---|
407 | zpdl = MAX( 0.1, zpdl ) |
---|
408 | ! coefficient (esh2) |
---|
409 | zesh2 = eboost * zsh2 - zpdl * rn2(ji,jj,jk) |
---|
410 | |
---|
411 | ! Matrix |
---|
412 | zcof = zfact1 * tmask(ji,jj,jk) |
---|
413 | ! lower diagonal |
---|
414 | avmv(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk ) + zmxlm(ji,jj,jk-1) ) & |
---|
415 | & / ( fse3t(ji,jj,jk-1) * fse3w(ji,jj,jk ) ) |
---|
416 | ! upper diagonal |
---|
417 | avmu(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk+1) + zmxlm(ji,jj,jk ) ) & |
---|
418 | & / ( fse3t(ji,jj,jk ) * fse3w(ji,jj,jk) ) |
---|
419 | ! diagonal |
---|
420 | zwd(ji,jj,jk) = 1. - avmv(ji,jj,jk) - avmu(ji,jj,jk) + zfact2 * zmxld(ji,jj,jk) |
---|
421 | ! right hand side in en |
---|
422 | en(ji,jj,jk) = en(ji,jj,jk) + zfact3 * zmxld(ji,jj,jk) * en (ji,jj,jk) & |
---|
423 | & + rdt * zmxlm(ji,jj,jk) * zesh2 |
---|
424 | ! save masked Prandlt number in zmxlm array |
---|
425 | zmxld(ji,jj,jk) = zpdl * tmask(ji,jj,jk) |
---|
426 | END DO |
---|
427 | END DO |
---|
428 | END DO |
---|
429 | |
---|
430 | END SELECT |
---|
431 | |
---|
432 | # if defined key_cfg_1d |
---|
433 | ! save masked Prandlt number |
---|
434 | e_pdl(:,:,2:jpkm1) = zmxld(:,:,2:jpkm1) |
---|
435 | e_pdl(:,:, 1) = e_pdl(:,:, 2) |
---|
436 | e_pdl(:,:, jpk) = e_pdl(:,:, jpkm1) |
---|
437 | # endif |
---|
438 | |
---|
439 | ! 4. Matrix inversion from level 2 (tke prescribed at level 1) |
---|
440 | !!-------------------------------- |
---|
441 | ! First recurrence : Dk = Dk - Lk * Uk-1 / Dk-1 |
---|
442 | DO jk = 3, jpkm1 |
---|
443 | DO jj = 2, jpjm1 |
---|
444 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
445 | zwd(ji,jj,jk) = zwd(ji,jj,jk) - avmv(ji,jj,jk) * avmu(ji,jj,jk-1) / zwd(ji,jj,jk-1) |
---|
446 | END DO |
---|
447 | END DO |
---|
448 | END DO |
---|
449 | |
---|
450 | ! Second recurrence : Lk = RHSk - Lk / Dk-1 * Lk-1 |
---|
451 | DO jj = 2, jpjm1 |
---|
452 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
453 | avmv(ji,jj,2) = en(ji,jj,2) - avmv(ji,jj,2) * en(ji,jj,1) ! Surface boudary conditions on tke |
---|
454 | END DO |
---|
455 | END DO |
---|
456 | DO jk = 3, jpkm1 |
---|
457 | DO jj = 2, jpjm1 |
---|
458 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
459 | avmv(ji,jj,jk) = en(ji,jj,jk) - avmv(ji,jj,jk) / zwd(ji,jj,jk-1) *avmv(ji,jj,jk-1) |
---|
460 | END DO |
---|
461 | END DO |
---|
462 | END DO |
---|
463 | |
---|
464 | ! thrid recurrence : Ek = ( Lk - Uk * Ek+1 ) / Dk |
---|
465 | DO jj = 2, jpjm1 |
---|
466 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
467 | en(ji,jj,jpkm1) = avmv(ji,jj,jpkm1) / zwd(ji,jj,jpkm1) |
---|
468 | END DO |
---|
469 | END DO |
---|
470 | DO jk = jpk-2, 2, -1 |
---|
471 | DO jj = 2, jpjm1 |
---|
472 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
473 | en(ji,jj,jk) = ( avmv(ji,jj,jk) - avmu(ji,jj,jk) * en(ji,jj,jk+1) ) / zwd(ji,jj,jk) |
---|
474 | END DO |
---|
475 | END DO |
---|
476 | END DO |
---|
477 | |
---|
478 | ! Save the result in en and set minimum value of tke : emin |
---|
479 | DO jk = 2, jpkm1 |
---|
480 | DO jj = 2, jpjm1 |
---|
481 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
482 | en(ji,jj,jk) = MAX( en(ji,jj,jk), emin ) * tmask(ji,jj,jk) |
---|
483 | END DO |
---|
484 | END DO |
---|
485 | END DO |
---|
486 | |
---|
487 | ! Lateral boundary conditions on ( avt, en ) (sign unchanged) |
---|
488 | CALL lbc_lnk( en , 'W', 1. ) ; CALL lbc_lnk( avt, 'W', 1. ) |
---|
489 | |
---|
490 | |
---|
491 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
492 | ! III. Before vertical eddy vicosity and diffusivity coefficients |
---|
493 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
494 | |
---|
495 | SELECT CASE ( nave ) |
---|
496 | |
---|
497 | CASE ( 0 ) ! no horizontal average |
---|
498 | |
---|
499 | ! Vertical eddy viscosity |
---|
500 | |
---|
501 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
502 | DO jj = 2, jpjm1 |
---|
503 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
504 | avmu(ji,jj,jk) = ( avt (ji,jj,jk) + avt (ji+1,jj ,jk) ) * umask(ji,jj,jk) & |
---|
505 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji+1,jj ,jk) ) |
---|
506 | avmv(ji,jj,jk) = ( avt (ji,jj,jk) + avt (ji ,jj+1,jk) ) * vmask(ji,jj,jk) & |
---|
507 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji ,jj+1,jk) ) |
---|
508 | END DO |
---|
509 | END DO |
---|
510 | END DO |
---|
511 | |
---|
512 | ! Lateral boundary conditions (avmu,avmv) (U- and V- points, sign unchanged) |
---|
513 | CALL lbc_lnk( avmu, 'U', 1. ) ; CALL lbc_lnk( avmv, 'V', 1. ) |
---|
514 | |
---|
515 | CASE ( 1 ) ! horizontal average |
---|
516 | |
---|
517 | ! ( 1/2 1/2 ) |
---|
518 | ! Eddy viscosity: horizontal average: avmu = 1/4 ( 1 1 ) |
---|
519 | ! ( 1/2 1 1/2 ) ( 1/2 1/2 ) |
---|
520 | ! avmv = 1/4 ( 1/2 1 1/2 ) |
---|
521 | |
---|
522 | !! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
523 | # if defined key_vectopt_memory |
---|
524 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
525 | DO jj = 2, jpjm1 |
---|
526 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
527 | avmu(ji,jj,jk) = ( avt(ji,jj ,jk) + avt(ji+1,jj ,jk) & |
---|
528 | & +.5*( avt(ji,jj-1,jk) + avt(ji+1,jj-1,jk) & |
---|
529 | & +avt(ji,jj+1,jk) + avt(ji+1,jj+1,jk) ) ) * eumean(ji,jj,jk) |
---|
530 | |
---|
531 | avmv(ji,jj,jk) = ( avt(ji ,jj,jk) + avt(ji ,jj+1,jk) & |
---|
532 | & +.5*( avt(ji-1,jj,jk) + avt(ji-1,jj+1,jk) & |
---|
533 | & +avt(ji+1,jj,jk) + avt(ji+1,jj+1,jk) ) ) * evmean(ji,jj,jk) |
---|
534 | END DO |
---|
535 | END DO |
---|
536 | END DO |
---|
537 | # else |
---|
538 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
539 | DO jj = 2, jpjm1 |
---|
540 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
541 | avmu(ji,jj,jk) = ( avt (ji,jj ,jk) + avt (ji+1,jj ,jk) & |
---|
542 | & +.5*( avt (ji,jj-1,jk) + avt (ji+1,jj-1,jk) & |
---|
543 | & +avt (ji,jj+1,jk) + avt (ji+1,jj+1,jk) ) ) * umask(ji,jj,jk) & |
---|
544 | & / MAX( 1., tmask(ji,jj ,jk) + tmask(ji+1,jj ,jk) & |
---|
545 | & +.5*( tmask(ji,jj-1,jk) + tmask(ji+1,jj-1,jk) & |
---|
546 | & +tmask(ji,jj+1,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
547 | |
---|
548 | avmv(ji,jj,jk) = ( avt (ji ,jj,jk) + avt (ji ,jj+1,jk) & |
---|
549 | & +.5*( avt (ji-1,jj,jk) + avt (ji-1,jj+1,jk) & |
---|
550 | & +avt (ji+1,jj,jk) + avt (ji+1,jj+1,jk) ) ) * vmask(ji,jj,jk) & |
---|
551 | & / MAX( 1., tmask(ji ,jj,jk) + tmask(ji ,jj+1,jk) & |
---|
552 | & +.5*( tmask(ji-1,jj,jk) + tmask(ji-1,jj+1,jk) & |
---|
553 | & +tmask(ji+1,jj,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
554 | END DO |
---|
555 | END DO |
---|
556 | END DO |
---|
557 | # endif |
---|
558 | |
---|
559 | ! Lateral boundary conditions (avmu,avmv) (sign unchanged) |
---|
560 | CALL lbc_lnk( avmu, 'U', 1. ) ; CALL lbc_lnk( avmv, 'V', 1. ) |
---|
561 | |
---|
562 | ! Vertical eddy diffusivity |
---|
563 | ! ------------------------------ |
---|
564 | ! (1 2 1) |
---|
565 | ! horizontal average avt = 1/16 (2 4 2) |
---|
566 | ! (1 2 1) |
---|
567 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
568 | # if defined key_vectopt_memory |
---|
569 | DO jj = 2, jpjm1 |
---|
570 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
571 | avt(ji,jj,jk) = ( avmu(ji,jj,jk) + avmu(ji-1,jj ,jk) & |
---|
572 | & + avmv(ji,jj,jk) + avmv(ji ,jj-1,jk) ) * etmean(ji,jj,jk) |
---|
573 | END DO |
---|
574 | END DO |
---|
575 | # else |
---|
576 | DO jj = 2, jpjm1 |
---|
577 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
578 | avt(ji,jj,jk) = ( avmu (ji,jj,jk) + avmu (ji-1,jj ,jk) & |
---|
579 | & + avmv (ji,jj,jk) + avmv (ji ,jj-1,jk) ) * tmask(ji,jj,jk) & |
---|
580 | & / MAX( 1., umask(ji,jj,jk) + umask(ji-1,jj ,jk) & |
---|
581 | & + vmask(ji,jj,jk) + vmask(ji ,jj-1,jk) ) |
---|
582 | END DO |
---|
583 | END DO |
---|
584 | # endif |
---|
585 | END DO |
---|
586 | |
---|
587 | END SELECT |
---|
588 | |
---|
589 | ! multiplied by the Prandtl number (npdl>1) |
---|
590 | ! ---------------------------------------- |
---|
591 | IF( npdl == 1 ) THEN |
---|
592 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
593 | DO jj = 2, jpjm1 |
---|
594 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
595 | zpdl = zmxld(ji,jj,jk) |
---|
596 | avt(ji,jj,jk) = MAX( zpdl * avt(ji,jj,jk), avtb(jk) ) * tmask(ji,jj,jk) |
---|
597 | END DO |
---|
598 | END DO |
---|
599 | END DO |
---|
600 | ENDIF |
---|
601 | |
---|
602 | ! Minimum value on the eddy viscosity |
---|
603 | ! ---------------------------------------- |
---|
604 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
605 | DO jj = 1, jpj |
---|
606 | DO ji = 1, jpi |
---|
607 | avmu(ji,jj,jk) = MAX( avmu(ji,jj,jk), avmb(jk) ) * umask(ji,jj,jk) |
---|
608 | avmv(ji,jj,jk) = MAX( avmv(ji,jj,jk), avmb(jk) ) * vmask(ji,jj,jk) |
---|
609 | END DO |
---|
610 | END DO |
---|
611 | END DO |
---|
612 | |
---|
613 | ! Lateral boundary conditions on avt (sign unchanged) |
---|
614 | ! ------------------------------===== |
---|
615 | CALL lbc_lnk( avt, 'W', 1. ) |
---|
616 | |
---|
617 | IF(ln_ctl) THEN |
---|
618 | CALL prt_ctl(tab3d_1=en , clinfo1=' tke - e: ', tab3d_2=avt , clinfo2=' t: ', ovlap=1, kdim=jpk) |
---|
619 | CALL prt_ctl(tab3d_1=avmu, clinfo1=' tke - u: ', tab3d_2=avmv, clinfo2=' v: ', ovlap=1, kdim=jpk) |
---|
620 | ENDIF |
---|
621 | |
---|
622 | END SUBROUTINE zdf_tke |
---|
623 | |
---|
624 | # endif |
---|
625 | |
---|
626 | SUBROUTINE zdf_tke_init |
---|
627 | !!---------------------------------------------------------------------- |
---|
628 | !! *** ROUTINE zdf_tke_init *** |
---|
629 | !! |
---|
630 | !! ** Purpose : Initialization of the vertical eddy diffivity and |
---|
631 | !! viscosity when using a tke turbulent closure scheme |
---|
632 | !! |
---|
633 | !! ** Method : Read the namtke namelist and check the parameters |
---|
634 | !! called at the first timestep (nit000) |
---|
635 | !! |
---|
636 | !! ** input : Namlist namtke |
---|
637 | !! |
---|
638 | !! ** Action : Increase by 1 the nstop flag is setting problem encounter |
---|
639 | !! |
---|
640 | !! history : |
---|
641 | !! 8.5 ! 02-06 (G. Madec) original code |
---|
642 | !!---------------------------------------------------------------------- |
---|
643 | !! * Module used |
---|
644 | USE dynzdf_exp |
---|
645 | USE trazdf_exp |
---|
646 | |
---|
647 | !! * local declarations |
---|
648 | !! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
649 | # if defined key_vectopt_memory |
---|
650 | INTEGER :: ji, jj, jk, jit ! dummy loop indices |
---|
651 | # else |
---|
652 | INTEGER :: jk, jit ! dummy loop indices |
---|
653 | # endif |
---|
654 | |
---|
655 | NAMELIST/namtke/ ln_rstke, ediff, ediss, ebb, efave, emin, emin0, & |
---|
656 | ri_c, nitke, nmxl, npdl, nave, navb |
---|
657 | !!---------------------------------------------------------------------- |
---|
658 | |
---|
659 | ! Read Namelist namtke : Turbulente Kinetic Energy |
---|
660 | ! -------------------- |
---|
661 | REWIND ( numnam ) |
---|
662 | READ ( numnam, namtke ) |
---|
663 | |
---|
664 | ! Compute boost associated with the Richardson critic |
---|
665 | ! (control values: ri_c = 0.3 ==> eboost=1.25 for npdl=1 or 2) |
---|
666 | ! ( ri_c = 0.222 ==> eboost=1. ) |
---|
667 | eboost = ri_c * ( 2. + ediss / ediff ) / 2. |
---|
668 | |
---|
669 | |
---|
670 | ! Parameter control and print |
---|
671 | ! --------------------------- |
---|
672 | ! Control print |
---|
673 | IF(lwp) THEN |
---|
674 | WRITE(numout,*) |
---|
675 | WRITE(numout,*) 'zdf_tke_init : tke turbulent closure scheme' |
---|
676 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
677 | WRITE(numout,*) ' Namelist namtke : set tke mixing parameters' |
---|
678 | WRITE(numout,*) ' restart with tke from no tke ln_rstke = ', ln_rstke |
---|
679 | WRITE(numout,*) ' coef. to compute avt ediff = ', ediff |
---|
680 | WRITE(numout,*) ' Kolmogoroff dissipation coef. ediss = ', ediss |
---|
681 | WRITE(numout,*) ' tke surface input coef. ebb = ', ebb |
---|
682 | WRITE(numout,*) ' tke diffusion coef. efave = ', efave |
---|
683 | WRITE(numout,*) ' minimum value of tke emin = ', emin |
---|
684 | WRITE(numout,*) ' surface minimum value of tke emin0 = ', emin0 |
---|
685 | WRITE(numout,*) ' number of restart iter loops nitke = ', nitke |
---|
686 | WRITE(numout,*) ' mixing length type nmxl = ', nmxl |
---|
687 | WRITE(numout,*) ' prandl number flag npdl = ', npdl |
---|
688 | WRITE(numout,*) ' horizontal average flag nave = ', nave |
---|
689 | WRITE(numout,*) ' critic Richardson nb ri_c = ', ri_c |
---|
690 | WRITE(numout,*) ' and its associated coeff. eboost = ', eboost |
---|
691 | WRITE(numout,*) ' constant background or profile navb = ', navb |
---|
692 | WRITE(numout,*) |
---|
693 | ENDIF |
---|
694 | |
---|
695 | ! Check nmxl and npdl values |
---|
696 | IF( nmxl < 0 .OR. nmxl > 3 ) THEN |
---|
697 | IF(lwp) WRITE(numout,cform_err) |
---|
698 | IF(lwp) WRITE(numout,*) ' bad flag: nmxl is < 0 or > 3 ' |
---|
699 | nstop = nstop + 1 |
---|
700 | ENDIF |
---|
701 | IF ( npdl < 0 .OR. npdl > 1 ) THEN |
---|
702 | IF(lwp) WRITE(numout,cform_err) |
---|
703 | IF(lwp) WRITE(numout,*) ' bad flag: npdl is < 0 or > 1 ' |
---|
704 | nstop = nstop + 1 |
---|
705 | ENDIF |
---|
706 | |
---|
707 | |
---|
708 | ! Horizontal average : initialization of weighting arrays |
---|
709 | ! ------------------- |
---|
710 | |
---|
711 | SELECT CASE ( nave ) |
---|
712 | |
---|
713 | CASE ( 0 ) ! no horizontal average |
---|
714 | IF(lwp) WRITE(numout,*) ' no horizontal average on avt, avmu, avmv' |
---|
715 | IF(lwp) WRITE(numout,*) ' only in very high horizontal resolution !' |
---|
716 | !! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
717 | # if defined key_vectopt_memory |
---|
718 | ! weighting mean arrays etmean, eumean and evmean |
---|
719 | ! ( 1 1 ) ( 1 ) |
---|
720 | ! avt = 1/4 ( 1 1 ) avmu = 1/2 ( 1 1 ) avmv= 1/2 ( 1 ) |
---|
721 | ! |
---|
722 | etmean(:,:,:) = 0.e0 |
---|
723 | eumean(:,:,:) = 0.e0 |
---|
724 | evmean(:,:,:) = 0.e0 |
---|
725 | |
---|
726 | DO jk = 1, jpkm1 |
---|
727 | DO jj = 2, jpjm1 |
---|
728 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
729 | etmean(ji,jj,jk) = tmask(ji,jj,jk) & |
---|
730 | & / MAX( 1., umask(ji-1,jj ,jk) + umask(ji,jj,jk) & |
---|
731 | & + vmask(ji ,jj-1,jk) + vmask(ji,jj,jk) ) |
---|
732 | |
---|
733 | eumean(ji,jj,jk) = umask(ji,jj,jk) & |
---|
734 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji+1,jj ,jk) ) |
---|
735 | |
---|
736 | evmean(ji,jj,jk) = vmask(ji,jj,jk) & |
---|
737 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji ,jj+1,jk) ) |
---|
738 | END DO |
---|
739 | END DO |
---|
740 | END DO |
---|
741 | # endif |
---|
742 | |
---|
743 | CASE ( 1 ) ! horizontal average |
---|
744 | IF(lwp) WRITE(numout,*) ' horizontal average on avt, avmu, avmv' |
---|
745 | !! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
746 | # if defined key_vectopt_memory |
---|
747 | ! weighting mean arrays etmean, eumean and evmean |
---|
748 | ! ( 1 1 ) ( 1/2 1/2 ) ( 1/2 1 1/2 ) |
---|
749 | ! avt = 1/4 ( 1 1 ) avmu = 1/4 ( 1 1 ) avmv= 1/4 ( 1/2 1 1/2 ) |
---|
750 | ! ( 1/2 1/2 ) |
---|
751 | etmean(:,:,:) = 0.e0 |
---|
752 | eumean(:,:,:) = 0.e0 |
---|
753 | evmean(:,:,:) = 0.e0 |
---|
754 | |
---|
755 | DO jk = 1, jpkm1 |
---|
756 | DO jj = 2, jpjm1 |
---|
757 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
758 | etmean(ji,jj,jk) = tmask(ji,jj,jk) & |
---|
759 | & / MAX( 1., umask(ji-1,jj ,jk) + umask(ji,jj,jk) & |
---|
760 | & + vmask(ji ,jj-1,jk) + vmask(ji,jj,jk) ) |
---|
761 | |
---|
762 | eumean(ji,jj,jk) = umask(ji,jj,jk) & |
---|
763 | & / MAX( 1., tmask(ji,jj ,jk) + tmask(ji+1,jj ,jk) & |
---|
764 | & +.5 * ( tmask(ji,jj-1,jk) + tmask(ji+1,jj-1,jk) & |
---|
765 | & +tmask(ji,jj+1,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
766 | |
---|
767 | evmean(ji,jj,jk) = vmask(ji,jj,jk) & |
---|
768 | & / MAX( 1., tmask(ji ,jj,jk) + tmask(ji ,jj+1,jk) & |
---|
769 | & +.5 * ( tmask(ji-1,jj,jk) + tmask(ji-1,jj+1,jk) & |
---|
770 | & +tmask(ji+1,jj,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
771 | END DO |
---|
772 | END DO |
---|
773 | END DO |
---|
774 | # endif |
---|
775 | |
---|
776 | CASE DEFAULT |
---|
777 | IF(lwp) WRITE(numout,cform_err) |
---|
778 | IF(lwp) WRITE(numout,*) ' bad flag value for nave = ', nave |
---|
779 | nstop = nstop + 1 |
---|
780 | |
---|
781 | END SELECT |
---|
782 | |
---|
783 | |
---|
784 | ! Background eddy viscosity and diffusivity profil |
---|
785 | ! ------------------------------------------------ |
---|
786 | IF( navb == 0 ) THEN |
---|
787 | ! Define avmb, avtb from namelist parameter |
---|
788 | avmb(:) = avm0 |
---|
789 | avtb(:) = avt0 |
---|
790 | ELSE |
---|
791 | ! Background profile of avt (fit a theoretical/observational profile (Krauss 1990) |
---|
792 | avmb(:) = avm0 |
---|
793 | avtb(:) = 1.e-5 + 2.8e-8 * gdepw(:) ! m2/s |
---|
794 | ENDIF |
---|
795 | |
---|
796 | ! Increase the background in the surface layers |
---|
797 | avmb(1) = 10. * avmb(1) ; avtb(1) = 10. * avtb(1) |
---|
798 | avmb(2) = 10. * avmb(2) ; avtb(2) = 10. * avtb(2) |
---|
799 | avmb(3) = 5. * avmb(3) ; avtb(3) = 5. * avtb(3) |
---|
800 | avmb(4) = 2.5 * avmb(4) ; avtb(4) = 2.5 * avtb(4) |
---|
801 | |
---|
802 | |
---|
803 | ! Initialization of vertical eddy coef. to the background value |
---|
804 | ! ------------------------------------------------------------- |
---|
805 | DO jk = 1, jpk |
---|
806 | avt (:,:,jk) = avtb(jk) * tmask(:,:,jk) |
---|
807 | avmu(:,:,jk) = avmb(jk) * umask(:,:,jk) |
---|
808 | avmv(:,:,jk) = avmb(jk) * vmask(:,:,jk) |
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809 | END DO |
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810 | |
---|
811 | |
---|
812 | ! Initialization of turbulent kinetic energy ( en ) |
---|
813 | ! ------------------------------------------------- |
---|
814 | IF( ln_rstart ) THEN |
---|
815 | ! no en field in the restart file, en set by iterative loop |
---|
816 | IF( ln_rstke ) THEN |
---|
817 | en (:,:,:) = emin * tmask(:,:,:) |
---|
818 | DO jit = 2, nitke+1 |
---|
819 | CALL zdf_tke( jit ) |
---|
820 | END DO |
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821 | ENDIF |
---|
822 | ! otherwise en is already read in dtrlec called by inidtr |
---|
823 | ELSE |
---|
824 | ! no restart: en set to emin |
---|
825 | en(:,:,:) = emin * tmask(:,:,:) |
---|
826 | ENDIF |
---|
827 | |
---|
828 | END SUBROUTINE zdf_tke_init |
---|
829 | |
---|
830 | #else |
---|
831 | !!---------------------------------------------------------------------- |
---|
832 | !! Dummy module : NO TKE scheme |
---|
833 | !!---------------------------------------------------------------------- |
---|
834 | LOGICAL, PUBLIC, PARAMETER :: lk_zdftke = .FALSE. !: TKE flag |
---|
835 | CONTAINS |
---|
836 | SUBROUTINE zdf_tke( kt ) ! Empty routine |
---|
837 | WRITE(*,*) 'zdf_tke: You should not have seen this print! error?', kt |
---|
838 | END SUBROUTINE zdf_tke |
---|
839 | #endif |
---|
840 | |
---|
841 | !!====================================================================== |
---|
842 | END MODULE zdftke |
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