1 | MODULE obc_oce |
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2 | !!============================================================================== |
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3 | !! *** MODULE obc_oce *** |
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4 | !! Open Boundary Cond. : define related variables |
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5 | !!============================================================================== |
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6 | #if defined key_obc |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_obc' : Open Boundary Condition |
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9 | !!---------------------------------------------------------------------- |
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10 | !! history : |
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11 | !! 8.0 01/91 (CLIPPER) Original code |
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12 | !! 8.5 06/02 (C. Talandier) modules |
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13 | !!---------------------------------------------------------------------- |
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14 | !! * Modules used |
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15 | USE par_oce ! ocean parameters |
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16 | USE obc_par ! open boundary condition parameters |
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17 | |
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18 | IMPLICIT NONE |
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19 | PUBLIC |
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20 | !!---------------------------------------------------------------------- |
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21 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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22 | !! $Header$ |
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23 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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24 | !!---------------------------------------------------------------------- |
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25 | |
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26 | !!---------------------------------------------------------------------- |
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27 | !! open boundary variables |
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28 | !!---------------------------------------------------------------------- |
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29 | !! |
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30 | !!General variables for open boundaries: |
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31 | !!-------------------------------------- |
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32 | INTEGER :: & !: * namelist ??? * |
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33 | nbobc = 1 , & !: number of open boundaries ( 1=< nbobc =< 4 ) |
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34 | nobc_dta = 0 , & !: = 0 use the initial state as obc data |
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35 | ! ! = 1 read obc data in obcxxx.dta files |
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36 | nmoisold , & !: number of the last read month on the OBC |
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37 | nbef, naft !: index of the aftera and before fields on the OBC |
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38 | |
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39 | REAL(wp) :: & !!: open boundary namelist (namobc) |
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40 | rdpein = 1. , & !: damping time scale for inflow at East open boundary |
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41 | rdpwin = 1. , & !: " " at West open boundary |
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42 | rdpsin = 1. , & !: " " at South open boundary |
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43 | rdpnin = 1. , & !: " " at North open boundary |
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44 | rdpeob = 15. , & !: damping time scale for the climatology at East open boundary |
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45 | rdpwob = 15. , & !: " " at West open boundary |
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46 | rdpsob = 15. , & !: " " at South open boundary |
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47 | rdpnob = 15. , & !: " " at North open boundary |
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48 | volemp = 1. !: = 0 the total volume will have the variability of the |
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49 | ! surface Flux E-P else (volemp = 1) the volume will be constant |
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50 | ! = 1 the volume will be constant during all the integration. |
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51 | |
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52 | LOGICAL :: & !: |
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53 | lfbceast, lfbcwest, & !: logical flag for a fixed East and West open boundaries |
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54 | lfbcnorth, lfbcsouth !: logical flag for a fixed North and South open boundaries |
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55 | ! ! These logical flags are set to 'true' if damping time |
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56 | ! ! scale are set to 0 in the namelist, for both inflow and outflow). |
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57 | |
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58 | REAL(wp), DIMENSION(jpi,jpj) :: & !: |
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59 | obctmsk !: mask array identical to tmask, execpt along OBC where it is set to 0 |
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60 | ! ! it used to calculate the cumulate flux E-P in the obcvol.F90 routine |
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61 | |
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62 | !!---------------- |
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63 | !! Rigid lid case: |
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64 | !!---------------- |
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65 | INTEGER :: nbic !: number of isolated coastlines ( 0 <= nbic <= 3 ) |
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66 | |
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67 | INTEGER, DIMENSION(jpnic,0:4,3) :: & !: |
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68 | miic, mjic !: position of isolated coastlines points |
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69 | |
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70 | INTEGER, DIMENSION(0:4,3) :: & !: |
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71 | mnic !: number of points on isolated coastlines |
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72 | |
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73 | REAL(wp), DIMENSION(jpi,jpj) :: & !: |
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74 | gcbob !: right hand side of the barotropic elliptic equation associated |
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75 | ! ! with the OBC |
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76 | |
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77 | REAL(wp), DIMENSION(jpi,jpj,3) :: & !: |
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78 | gcfobc !: coef. associated with the contribution of isolated coastlines |
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79 | ! ! to the right hand side of the barotropic elliptic equation |
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80 | |
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81 | REAL(wp), DIMENSION(3) :: & !: |
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82 | gcbic !: time variation of the barotropic stream function along the |
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83 | ! ! isolated coastlines |
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84 | |
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85 | REAL(wp), DIMENSION(1) :: & !: |
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86 | bsfic0 !: barotropic stream function on isolated coastline |
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87 | |
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88 | REAL(wp), DIMENSION(3) :: & !: |
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89 | bsfic !: barotropic stream function on isolated coastline |
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90 | |
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91 | !!-------------------- |
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92 | !! East open boundary: |
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93 | !!-------------------- |
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94 | INTEGER :: nie0 , nie1 !: do loop index in mpp case for jpieob |
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95 | INTEGER :: nie0p1, nie1p1 !: do loop index in mpp case for jpieob+1 |
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96 | INTEGER :: nie0m1, nie1m1 !: do loop index in mpp case for jpieob-1 |
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97 | INTEGER :: nje0 , nje1 !: do loop index in mpp case for jpjed, jpjef |
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98 | INTEGER :: nje0p1, nje1m1 !: do loop index in mpp case for jpjedp1,jpjefm1 |
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99 | INTEGER :: nje1m2, nje0m1 !: do loop index in mpp case for jpjefm1-1,jpjed |
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100 | |
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101 | REAL(wp), DIMENSION(jpj) :: & !: |
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102 | bsfeob !: now barotropic stream fuction computed at the OBC. The corres- |
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103 | ! ! ponding bsfn will be computed by the forward time step in dynspg. |
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104 | |
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105 | REAL(wp), DIMENSION(jpj,3,3) :: & !: |
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106 | bebnd !: east boundary barotropic streamfunction over 3 rows |
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107 | ! ! and 3 time step (now, before, and before before) |
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108 | |
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109 | REAL(wp), DIMENSION(jpjed:jpjef) :: & !: |
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110 | bfoe !: now climatology of the east boundary barotropic stream function |
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111 | |
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112 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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113 | ufoe, vfoe, & !: now climatology of the east boundary velocities |
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114 | tfoe, sfoe, & !: now climatology of the east boundary temperature and salinity |
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115 | uclie !: baroclinic componant of the zonal velocity after radiation |
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116 | ! ! in the obcdyn.F90 routine |
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117 | |
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118 | REAL(wp), DIMENSION(jpjglo,jpk,1) :: & !: |
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119 | uedta, tedta, sedta !: array used for interpolating monthly data on the east boundary |
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120 | |
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121 | !!------------------------------- |
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122 | !! Arrays for radiative East OBC: |
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123 | !!------------------------------- |
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124 | REAL(wp), DIMENSION(jpj,jpk,3,3) :: & !: |
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125 | uebnd, vebnd !: baroclinic u & v component of the velocity over 3 rows |
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126 | ! and 3 time step (now, before, and before before) |
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127 | |
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128 | REAL(wp), DIMENSION(jpj,jpk,2,2) :: & !: |
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129 | tebnd, sebnd !: East boundary temperature and salinity over 2 rows |
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130 | ! and 2 time step (now and before) |
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131 | |
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132 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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133 | u_cxebnd, v_cxebnd !: Zonal component of the phase speed ratio computed with |
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134 | ! radiation of u and v velocity (respectively) at the |
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135 | ! east open boundary (u_cxebnd = cx rdt ) |
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136 | |
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137 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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138 | uemsk, vemsk, temsk !: 2D mask for the East OB |
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139 | |
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140 | ! Note that those arrays are optimized for mpp case |
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141 | ! (hence the dimension jpj is the size of one processor subdomain) |
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142 | |
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143 | !!-------------------- |
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144 | !! West open boundary |
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145 | !!-------------------- |
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146 | INTEGER :: niw0 , niw1 !: do loop index in mpp case for jpiwob |
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147 | INTEGER :: niw0p1, niw1p1 !: do loop index in mpp case for jpiwob+1 |
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148 | INTEGER :: njw0 , njw1 !: do loop index in mpp case for jpjwd, jpjwf |
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149 | INTEGER :: njw0p1, njw1m1 !: do loop index in mpp case for jpjwdp1,jpjwfm1 |
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150 | INTEGER :: njw1m2, njw0m1 !: do loop index in mpp case for jpjwfm2,jpjwd |
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151 | |
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152 | REAL(wp), DIMENSION(jpj) :: & !: |
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153 | bsfwob !: now barotropic stream fuction computed at the OBC. The corres- |
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154 | ! ! ponding bsfn will be computed by the forward time step in dynspg. |
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155 | |
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156 | REAL(wp), DIMENSION(jpj,3,3) :: & !: |
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157 | bwbnd !: West boundary barotropic streamfunction over |
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158 | ! ! 3 rows and 3 time step (now, before, and before before) |
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159 | |
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160 | REAL(wp), DIMENSION(jpjwd:jpjwf) :: & !: |
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161 | bfow !: now climatology of the west boundary barotropic stream function |
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162 | |
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163 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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164 | ufow, vfow, & !: now climatology of the west velocities |
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165 | tfow, sfow, & !: now climatology of the west temperature and salinity |
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166 | ucliw !: baroclinic componant of the zonal velocity after the radiation |
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167 | ! ! in the obcdyn.F90 routine |
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168 | |
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169 | REAL(wp), DIMENSION(jpjglo,jpk,1) :: & !: |
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170 | uwdta, twdta, swdta !: array used for interpolating monthly data on the west boundary |
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171 | |
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172 | !!------------------------------- |
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173 | !! Arrays for radiative West OBC |
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174 | !!------------------------------- |
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175 | REAL(wp), DIMENSION(jpj,jpk,3,3) :: & !: |
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176 | uwbnd, vwbnd !: baroclinic u & v components of the velocity over 3 rows |
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177 | ! ! and 3 time step (now, before, and before before) |
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178 | |
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179 | REAL(wp), DIMENSION(jpj,jpk,2,2) :: & !: |
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180 | twbnd, swbnd !: west boundary temperature and salinity over 2 rows and |
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181 | ! ! 2 time step (now and before) |
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182 | |
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183 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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184 | u_cxwbnd, v_cxwbnd !: Zonal component of the phase speed ratio computed with |
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185 | ! ! radiation of zonal and meridional velocity (respectively) |
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186 | ! ! at the west open boundary (u_cxwbnd = cx rdt ) |
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187 | |
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188 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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189 | uwmsk, vwmsk, twmsk !: 2D mask for the West OB |
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190 | |
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191 | ! Note that those arrays are optimized for mpp case |
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192 | ! (hence the dimension jpj is the size of one processor subdomain) |
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193 | |
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194 | !!--------------------- |
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195 | !! North open boundary |
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196 | !!--------------------- |
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197 | INTEGER :: nin0 , nin1 !: do loop index in mpp case for jpind, jpinf |
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198 | INTEGER :: nin0p1, nin1m1 !: do loop index in mpp case for jpindp1, jpinfm1 |
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199 | INTEGER :: nin1m2, nin0m1 !: do loop index in mpp case for jpinfm1-1,jpind |
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200 | INTEGER :: njn0 , njn1 !: do loop index in mpp case for jpnob |
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201 | INTEGER :: njn0p1, njn1p1 !: do loop index in mpp case for jpnob+1 |
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202 | INTEGER :: njn0m1, njn1m1 !: do loop index in mpp case for jpnob-1 |
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203 | |
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204 | REAL(wp), DIMENSION(jpi) :: & !: |
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205 | bsfnob !: now barotropic stream fuction computed at the OBC. The corres- |
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206 | ! ! ponding bsfn will be computed by the forward time step in dynspg. |
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207 | |
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208 | REAL(wp), DIMENSION(jpi,3,3) :: & !: |
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209 | bnbnd !: north boundary barotropic streamfunction over |
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210 | ! ! 3 rows and 3 time step (now, before, and before before) |
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211 | |
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212 | REAL(wp), DIMENSION(jpind:jpinf) :: & !: |
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213 | bfon !: now climatology of the north boundary barotropic stream function |
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214 | |
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215 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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216 | ufon, vfon, & !: now climatology of the north boundary velocities |
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217 | tfon, sfon, & !: now climatology of the north boundary temperature and salinity |
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218 | vclin !: baroclinic componant of the meridian velocity after the radiation |
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219 | ! ! in yhe obcdyn.F90 routine |
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220 | |
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221 | REAL(wp), DIMENSION(jpiglo,jpk,1) :: & !: |
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222 | vndta, tndta, sndta !: array used for interpolating monthly data on the north boundary |
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223 | |
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224 | !!-------------------------------- |
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225 | !! Arrays for radiative North OBC |
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226 | !!-------------------------------- |
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227 | !! |
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228 | REAL(wp), DIMENSION(jpi,jpk,3,3) :: & !: |
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229 | unbnd, vnbnd !: baroclinic u & v components of the velocity over 3 |
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230 | ! ! rows and 3 time step (now, before, and before before) |
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231 | |
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232 | REAL(wp), DIMENSION(jpi,jpk,2,2) :: & !: |
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233 | tnbnd, snbnd !: north boundary temperature and salinity over |
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234 | ! ! 2 rows and 2 time step (now and before) |
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235 | |
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236 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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237 | u_cynbnd, v_cynbnd !: Meridional component of the phase speed ratio compu- |
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238 | ! ! ted with radiation of zonal and meridional velocity |
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239 | ! ! (respectively) at the north OB (u_cynbnd = cx rdt ) |
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240 | |
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241 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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242 | unmsk, vnmsk, tnmsk !: 2D mask for the North OB |
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243 | |
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244 | ! Note that those arrays are optimized for mpp case |
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245 | ! (hence the dimension jpj is the size of one processor subdomain) |
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246 | |
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247 | !!--------------------- |
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248 | !! South open boundary |
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249 | !!--------------------- |
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250 | INTEGER :: nis0 , nis1 !: do loop index in mpp case for jpisd, jpisf |
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251 | INTEGER :: nis0p1, nis1m1 !: do loop index in mpp case for jpisdp1, jpisfm1 |
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252 | INTEGER :: nis1m2, nis0m1 !: do loop index in mpp case for jpisfm1-1,jpisd |
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253 | INTEGER :: njs0 , njs1 !: do loop index in mpp case for jpsob |
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254 | INTEGER :: njs0p1, njs1p1 !: do loop index in mpp case for jpsob+1 |
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255 | |
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256 | REAL(wp), DIMENSION(jpi) :: & !: |
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257 | bsfsob !: now barotropic stream fuction computed at the OBC.The corres- |
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258 | ! ! ponding bsfn will be computed by the forward time step in dynspg. |
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259 | REAL(wp), DIMENSION(jpi,3,3) :: & !: |
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260 | bsbnd !: south boundary barotropic stream function over |
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261 | ! ! 3 rows and 3 time step (now, before, and before before) |
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262 | |
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263 | REAL(wp), DIMENSION(jpisd:jpisf) :: & !: |
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264 | bfos !: now climatology of the south boundary barotropic stream function |
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265 | |
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266 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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267 | ufos, vfos, & !: now climatology of the south boundary velocities |
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268 | tfos, sfos, & !: now climatology of the south boundary temperature and salinity |
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269 | vclis !: baroclinic componant of the meridian velocity after the radiation |
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270 | ! ! in the obcdyn.F90 routine |
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271 | |
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272 | REAL(wp), DIMENSION(jpiglo,jpk,1) :: & !: |
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273 | vsdta, tsdta, ssdta !: array used for interpolating monthly data on the south boundary |
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274 | |
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275 | !!-------------------------------- |
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276 | !! Arrays for radiative South OBC |
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277 | !!-------------------------------- |
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278 | !! computed by the forward time step in dynspg. |
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279 | REAL(wp), DIMENSION(jpi,jpk,3,3) :: & !: |
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280 | usbnd, vsbnd !: baroclinic u & v components of the velocity over 3 |
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281 | ! ! rows and 3 time step (now, before, and before before) |
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282 | |
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283 | REAL(wp), DIMENSION(jpi,jpk,2,2) :: & !: |
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284 | tsbnd, ssbnd !: south boundary temperature and salinity over |
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285 | ! ! 2 rows and 2 time step (now and before) |
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286 | |
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287 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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288 | u_cysbnd, v_cysbnd !: Meridional component of the phase speed ratio compu- |
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289 | ! ! ted with radiation of zonal and meridional velocity |
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290 | ! ! (repsectively) at the south OB (u_cynbnd = cx rdt ) |
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291 | |
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292 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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293 | usmsk, vsmsk, tsmsk !: 2D mask for the South OB |
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294 | |
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295 | ! Note that those arrays are optimized for mpp case |
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296 | ! (hence the dimension jpj is the size of one processor subdomain) |
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297 | |
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298 | #else |
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299 | !!---------------------------------------------------------------------- |
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300 | !! Default option : Empty module |
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301 | !!---------------------------------------------------------------------- |
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302 | #endif |
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303 | |
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304 | !!====================================================================== |
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305 | END MODULE obc_oce |
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