1 | MODULE trc |
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2 | !!====================================================================== |
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3 | !! *** MODULE trc *** |
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4 | !! Passive tracers : module for tracers defined |
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5 | !!====================================================================== |
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6 | !! History : |
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7 | !! 8.2 ! 96-01 (M. Levy) Original code |
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8 | !! ! 99-07 (M. Levy) for LOBSTER1 or NPZD model |
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9 | !! ! 00-04 (O. Aumont, M.A. Foujols) HAMOCC3 and P3ZD |
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10 | !! 9.0 ! 04-03 (C. Ethe) Free form and module |
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11 | !!---------------------------------------------------------------------- |
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12 | #if defined key_passivetrc |
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13 | !!---------------------------------------------------------------------- |
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14 | !! 'key_passivetrc' : Passive tracer |
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15 | !!--------------------------------------------------------------------- |
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16 | !! OPA 9.0 , LODYC-IPSL (2003) |
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17 | !!---------------------------------------------------------------------- |
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18 | !! * Modules used |
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19 | USE par_oce |
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20 | USE par_trc |
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21 | IMPLICIT NONE |
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22 | |
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23 | PUBLIC |
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24 | |
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25 | |
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26 | !! passive tracers names and units (read in namelist) |
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27 | !! -------------------------------------------------- |
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28 | CHARACTER(len=12), PUBLIC, DIMENSION(jptra) :: & |
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29 | ctrcnm , & !!: tracer name |
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30 | ctrcun !!: tracer unit |
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31 | |
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32 | CHARACTER(len=80), PUBLIC, DIMENSION(jptra) :: & |
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33 | ctrcnl !!: tracer long name |
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34 | |
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35 | |
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36 | !! parameters for the control of passive tracers |
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37 | !! -------------------------------------------------- |
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38 | INTEGER, PUBLIC :: & |
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39 | numnat !!: the number of the passive tracer NAMELIST |
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40 | |
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41 | LOGICAL, PUBLIC, DIMENSION(jptra) :: & |
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42 | lutini !!: initialisation from FILE or not (NAMELIST) |
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43 | |
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44 | INTEGER , PUBLIC, DIMENSION(jptra) :: & |
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45 | nutini !!: FORTRAN LOGICAL UNIT for initialisation file |
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46 | |
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47 | !! passive tracers fields (before,now,after) |
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48 | !! -------------------------------------------------- |
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49 | REAL(wp), PUBLIC :: & |
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50 | trai !!: initial total tracer |
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51 | |
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52 | REAL(wp), PUBLIC, DIMENSION (jpi,jpj,jpk,jptra) :: & |
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53 | trn , & !!: traceur concentration for actual time step |
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54 | tra , & !!: traceur concentration for next time step |
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55 | trb !!: traceur concentration for before time step |
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56 | |
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57 | |
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58 | !! numerical parameter (NAMELIST) |
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59 | !! -------------------------------------------------- |
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60 | REAL(wp), PUBLIC :: & |
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61 | rsc , & !!: tuning coefficient for anti-diffusion |
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62 | rtrn !!: value for truncation |
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63 | |
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64 | !! namelist parameters |
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65 | !! -------------------------------------------------- |
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66 | INTEGER , PUBLIC :: & |
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67 | ncortrc , & !!: number of corrective phases |
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68 | ndttrc , & !!: frequency of step on passive tracers |
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69 | nittrc000 !!: first time step of passive tracers model |
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70 | |
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71 | LOGICAL, PUBLIC :: & |
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72 | crosster !!: logical if true computes crossterms |
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73 | |
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74 | |
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75 | !! isopycnal scheme for passive tracers |
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76 | !! -------------------------------------------------- |
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77 | REAL(wp), PUBLIC :: & |
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78 | ahtrb0 , & !!: background diffusivity coefficient for passive tracer (m2/s) |
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79 | trcrat , & !!: ratio between passive and active tracer coeff for diffusion |
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80 | ahtrc0 , & !!: horizontal eddy diffusivity for passive tracers (m2/s) |
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81 | aeivtr0 !!: eddy induced velocity coefficient (m2/s) |
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82 | |
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83 | |
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84 | !! passive tracers restart (input and output) |
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85 | !! -------------------------------------------------- |
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86 | LOGICAL, PUBLIC :: & |
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87 | lrsttr !!: boolean term for restart i/o for passive tracers (namelist) |
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88 | |
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89 | CHARACTER(len=48) , PUBLIC :: & |
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90 | trestart !!: name variable of restart file |
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91 | |
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92 | INTEGER , PUBLIC :: & |
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93 | nutwrs , & !!: output FILE for passive tracers restart |
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94 | nutrst , & !!: logical unit for restart FILE for passive tracers |
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95 | nrsttr !!: control of the time step ( 0 or 1 ) for pass. tr. |
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96 | |
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97 | #if defined key_partial_steps |
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98 | |
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99 | !! interpolated gradient |
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100 | !!-------------------------------------------------- |
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101 | REAL (wp), PUBLIC, DIMENSION (jpi,jpj,jptra) :: & |
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102 | gtru , & !!: horizontal gradient at u-points at bottom ocean level |
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103 | gtrv !!: horizontal gradient at v-points at bottom ocean level |
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104 | #else |
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105 | REAL (wp), PUBLIC :: & |
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106 | gtru , & !!: horizontal gradient at u-points at bottom ocean level |
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107 | gtrv !!: horizontal gradient at v-points at bottom ocean level |
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108 | |
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109 | #endif |
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110 | |
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111 | #if defined key_trcldf_eiv && defined key_diaeiv |
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112 | !! The three component of the eddy induced velocity |
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113 | !! -------------------------------------------------- |
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114 | REAL(wp), PUBLIC, DIMENSION (jpi,jpj,jpk) :: & |
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115 | u_trc_eiv, & !!: u-eiv (m/s) |
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116 | v_trc_eiv, & !!: v-eiv (m/s) |
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117 | w_trc_eiv !!: w-eiv (m/s) |
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118 | #endif |
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119 | |
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120 | |
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121 | !! information for outputs |
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122 | !! -------------------------------------------------- |
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123 | INTEGER , PUBLIC :: & |
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124 | nwritetrc, & !!: time step frequency for concentration outputs (namelist) |
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125 | nit5 , & !!: id for tracer output file |
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126 | ndepit5 , & !!: id for depth mesh |
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127 | nhorit5 , & !!: id for horizontal mesh |
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128 | ndimt50 , & !!: number of ocean points in index array |
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129 | ndimt51 !!: number of ocean points in index array |
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130 | |
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131 | INTEGER , PUBLIC, DIMENSION (jpij) :: & |
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132 | ndext51 !!: integer arrays for ocean surface index |
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133 | |
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134 | INTEGER , PUBLIC, DIMENSION (jpij*jpk) :: & |
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135 | ndext50 !!: integer arrays for ocean 3D index |
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136 | |
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137 | |
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138 | !! julian day |
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139 | !! -------------------------------------------------- |
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140 | INTEGER , PUBLIC :: & |
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141 | ijulian !!: julian day |
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142 | |
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143 | REAL(wp), PUBLIC :: & |
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144 | djulian !!: julian day ( real) |
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145 | |
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146 | |
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147 | # if defined key_trc_diaadd |
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148 | !! additional 2D/3D outputs namelist |
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149 | !! -------------------------------------------------- |
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150 | CHARACTER(len=8), PUBLIC, DIMENSION (jpdia2d) :: & |
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151 | ctrc2d , & !!: 2d output field name |
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152 | ctrc2u !!: 2d output field unit |
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153 | |
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154 | CHARACTER(len=8), PUBLIC, DIMENSION (jpdia3d) :: & |
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155 | ctrc3d , & !!: 3d output field name |
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156 | ctrc3u !!: 3d output field unit |
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157 | |
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158 | CHARACTER(len=80), PUBLIC, DIMENSION (jpdia2d) :: & |
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159 | ctrc2l !!: 2d output field long name |
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160 | |
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161 | CHARACTER(len=80), PUBLIC, DIMENSION (jpdia3d) :: & |
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162 | ctrc3l !!: 3d output field long name |
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163 | |
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164 | REAL(wp), PUBLIC, DIMENSION (jpi,jpj,jpdia2d) :: & |
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165 | trc2d !!: additional 2d outputs |
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166 | |
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167 | REAL(wp), PUBLIC, DIMENSION (jpi,jpj,jpk,jpdia3d) :: & |
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168 | trc3d !!: additional 3d outputs |
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169 | |
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170 | |
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171 | !! netcdf files and index common |
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172 | !! -------------------------------------------------- |
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173 | INTEGER , PUBLIC :: & |
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174 | nwriteadd, & !!: frequency of additional arrays outputs(namelist) |
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175 | nitd , & !!: id for additional array output file |
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176 | ndepitd , & !!: id for depth mesh |
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177 | nhoritd !!: id for horizontal mesh |
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178 | #endif |
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179 | |
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180 | # if defined key_trc_diatrd |
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181 | |
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182 | !! non conservative trends (biological, ...) |
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183 | !! -------------------------------------------------- |
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184 | LOGICAL, PUBLIC, DIMENSION (jptra) :: & |
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185 | luttrd !!: large trends diagnostic to write or not (namelist) |
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186 | |
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187 | !! dynamical trends |
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188 | !! trtrd() : trends of the tracer equations |
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189 | !! 1 : X advection |
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190 | !! 2 : Y advection |
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191 | !! 3 : Z advection |
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192 | !! 4 : X diffusion |
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193 | !! 5 : Y diffusion |
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194 | !! 6 : Z diffusion |
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195 | !! 7 : X gent velocity |
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196 | !! 8 : Y gent velocity |
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197 | !! 9 : Z gent velocity |
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198 | !! -------------------------------------------------- |
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199 | |
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200 | |
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201 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk,jptra,jpdiatrc) :: & |
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202 | trtrd !!: trends of the tracer equations |
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203 | |
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204 | !! netcdf files and index common |
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205 | !! -------------------------------------------------- |
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206 | INTEGER , PUBLIC :: & |
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207 | nwritetrd !!: frequency of additional arrays outputs(namelist) |
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208 | |
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209 | INTEGER , PUBLIC, DIMENSION (jptra) :: & |
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210 | nit6 , & !!: id for additional array output file |
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211 | ndepit6 , & !!: id for depth mesh |
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212 | nhorit6 !!: id for horizontal mesh |
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213 | |
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214 | #endif |
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215 | |
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216 | !! passive tracers data read and at given time_step |
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217 | !! -------------------------------------------------- |
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218 | #if defined key_trc_dta |
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219 | |
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220 | INTEGER , PUBLIC, DIMENSION(jptra) :: & |
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221 | numtr , & !!: logical unit for passive tracers data |
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222 | nlectr , & !!: switch for reading once |
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223 | ntrc1 , & !!: ???? |
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224 | ntrc2 !!: ???? |
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225 | |
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226 | REAL(wp), PUBLIC, DIMENSION (jpi,jpj,jpk,jptra) :: & |
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227 | trdta !!: passive tracers data at given time-step |
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228 | |
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229 | REAL(wp), PUBLIC, DIMENSION (jpi,jpj,jpk,jptra,2) :: & |
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230 | tracdta !!: passive tracers data array for two value |
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231 | !: needed for time interpolation |
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232 | #endif |
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233 | |
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234 | !! Contral/debugging |
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235 | !! ----------------- |
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236 | REAL(wp), PUBLIC, DIMENSION(jptra) :: & |
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237 | tra_ctl !!: sum of tra trend |
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238 | #else |
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239 | !!====================================================================== |
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240 | !! Empty module : No passive tracer |
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241 | !!====================================================================== |
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242 | #endif |
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243 | |
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244 | END MODULE trc |
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