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 | !!---------------------------------------------------------------------- |
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22 | !! open boundary variables |
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23 | !!---------------------------------------------------------------------- |
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24 | !! |
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25 | !!General variables for open boundaries: |
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26 | !!-------------------------------------- |
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27 | INTEGER :: & |
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28 | numrob = 51 , & ! logical units for open boundary input restart files |
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29 | numwob = 52 , & ! logical units for open boundary output restart files |
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30 | ! |
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31 | nbobc , & ! number of open boundaries ( 1=< nbobc =< 4 ) |
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32 | nobc_dta , & ! = 0 use the initial state as obc data |
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33 | ! ! = 1 read obc data in obcxxx.dta files |
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34 | nmoisold , & ! number of the last read month on the OBC |
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35 | nbef, naft ! index of the aftera and before fields on the OBC |
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36 | |
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37 | REAL(wp) :: & !!! open boundary namelist (namobc) |
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38 | rdpein = 1. , & ! damping time scale for inflow at East open boundary |
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39 | rdpwin = 1. , & ! " " at West open boundary |
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40 | rdpsin = 1. , & ! " " at South open boundary |
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41 | rdpnin = 1. , & ! " " at North open boundary |
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42 | rdpeob = 15. , & ! damping time scale for the climatology at East open boundary |
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43 | rdpwob = 15. , & ! " " at West open boundary |
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44 | rdpsob = 15. , & ! " " at South open boundary |
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45 | rdpnob = 15. , & ! " " at North open boundary |
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46 | volemp = 1. ! = 0 the total volume will have the variability of the |
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47 | ! surface Flux E-P else (volemp = 1) the volume will be constant |
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48 | ! = 1 the volume will be constant during all the integration. |
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49 | |
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50 | LOGICAL :: & |
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51 | lfbceast, lfbcwest, & ! logical flag for a fixed East and West open boundaries |
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52 | lfbcnorth, lfbcsouth ! logical flag for a fixed North and South open boundaries |
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53 | ! These logical flags are set to 'true' if damping time |
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54 | ! scale are set to 0 in the namelist, for both inflow and outflow). |
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55 | |
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56 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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57 | obctmsk ! mask array identical to tmask, execpt along OBC where it is set to 0 |
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58 | ! it used to calculate the cumulate flux E-P in the obcvol.F90 routine |
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59 | |
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60 | !!------------------------------------------------------------------------------------------- |
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61 | !! Rigid lid case: |
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62 | !!---------------- |
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63 | INTEGER :: nbic ! number of isolated coastlines ( 0 <= nbic <= 3 ) |
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64 | |
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65 | INTEGER, DIMENSION(jpnic,0:4,3) :: & |
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66 | miic, mjic ! position of isolated coastlines points |
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67 | |
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68 | INTEGER, DIMENSION(0:4,3) :: & |
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69 | mnic ! number of points on isolated coastlines |
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70 | |
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71 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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72 | gcbob ! right hand side of the barotropic elliptic equation associated |
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73 | ! with the OBC |
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74 | |
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75 | REAL(wp), DIMENSION(jpi,jpj,3) :: & |
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76 | gcfobc ! coef. associated with the contribution of isolated coastlines |
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77 | ! to the right hand side of the barotropic elliptic equation |
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78 | |
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79 | REAL(wp), DIMENSION(3) :: & |
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80 | gcbic ! time variation of the barotropic stream function along the |
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81 | ! isolated coastlines |
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82 | |
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83 | REAL(wp), DIMENSION(1) :: & |
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84 | bsfic0 ! barotropic stream function on isolated coastline |
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85 | |
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86 | REAL(wp), DIMENSION(3) :: & |
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87 | bsfic ! barotropic stream function on isolated coastline |
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88 | |
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89 | !!------------------------------------------------------------------------------------------- |
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90 | !! East open boundary: |
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91 | !!-------------------- |
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92 | INTEGER :: nie0 , nie1 ! do loop index in mpp case for jpieob |
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93 | INTEGER :: nie0p1, nie1p1 ! do loop index in mpp case for jpieob+1 |
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94 | INTEGER :: nie0m1, nie1m1 ! do loop index in mpp case for jpieob-1 |
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95 | INTEGER :: nje0 , nje1 ! do loop index in mpp case for jpjed, jpjef |
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96 | INTEGER :: nje0p1, nje1m1 ! do loop index in mpp case for jpjedp1,jpjefm1 |
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97 | INTEGER :: nje1m2, nje0m1 ! do loop index in mpp case for jpjefm1-1,jpjed |
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98 | |
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99 | REAL(wp), DIMENSION(jpj) :: & |
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100 | bsfeob ! now barotropic stream fuction computed at the OBC. The corres- |
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101 | ! ponding bsfn will be computed by the forward time step in dynspg. |
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102 | |
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103 | REAL(wp), DIMENSION(jpj,3,3) :: & |
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104 | bebnd ! east boundary barotropic streamfunction over 3 rows |
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105 | ! and 3 time step (now, before, and before before) |
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106 | |
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107 | REAL(wp), DIMENSION(jpjed:jpjef) :: & |
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108 | bfoe ! now climatology of the east boundary barotropic stream function |
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109 | |
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110 | REAL(wp), DIMENSION(jpj,jpk) :: & |
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111 | ufoe, vfoe, & ! now climatology of the east boundary velocities |
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112 | tfoe, sfoe, & ! now climatology of the east boundary temperature and salinity |
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113 | uclie ! baroclinic componant of the zonal velocity after radiation |
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114 | ! in the obcdyn.F90 routine |
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115 | |
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116 | REAL(wp), DIMENSION(jpjglo,jpk,1) :: & |
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117 | uedta, tedta, sedta ! array used for interpolating monthly data on the east boundary |
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118 | |
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119 | !!------------------------------------------------------------------------------------------- |
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120 | !! Arrays for radiative East OBC: |
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121 | !!------------------------------- |
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122 | !! |
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123 | REAL(wp), DIMENSION(jpj,jpk,3,3) :: & |
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124 | uebnd, vebnd ! baroclinic u & v component of the velocity over 3 rows |
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125 | ! and 3 time step (now, before, and before before) |
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126 | |
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127 | REAL(wp), DIMENSION(jpj,jpk,2,2) :: & |
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128 | tebnd, sebnd ! East boundary temperature and salinity over 2 rows |
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129 | ! and 2 time step (now and before) |
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130 | |
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131 | REAL(wp), DIMENSION(jpj,jpk) :: & |
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132 | u_cxebnd, v_cxebnd ! Zonal component of the phase speed ratio computed with |
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133 | ! radiation of u and v velocity (respectively) at the |
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134 | ! east open boundary (u_cxebnd = cx rdt ) |
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135 | |
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136 | REAL(wp), DIMENSION(jpj,jpk) :: & |
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137 | uemsk, vemsk, temsk ! 2D mask for the East OB |
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138 | |
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139 | ! Note that those arrays are optimized for mpp case |
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140 | ! (hence the dimension jpj is the size of one processor subdomain) |
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141 | |
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142 | !!------------------------------------------------------------------------------------------- |
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143 | !! West open boundary: |
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144 | !!-------------------- |
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145 | INTEGER :: niw0 , niw1 ! do loop index in mpp case for jpiwob |
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146 | INTEGER :: niw0p1, niw1p1 ! do loop index in mpp case for jpiwob+1 |
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147 | INTEGER :: njw0 , njw1 ! do loop index in mpp case for jpjwd, jpjwf |
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148 | INTEGER :: njw0p1, njw1m1 ! do loop index in mpp case for jpjwdp1,jpjwfm1 |
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149 | INTEGER :: njw1m2, njw0m1 ! do loop index in mpp case for jpjwfm2,jpjwd |
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150 | |
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151 | REAL(wp), DIMENSION(jpj) :: & |
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152 | bsfwob ! now barotropic stream fuction computed at the OBC. The corres- |
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153 | ! ponding bsfn will be computed by the forward time step in dynspg. |
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154 | |
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155 | REAL(wp), DIMENSION(jpj,3,3) :: & |
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156 | bwbnd ! West boundary barotropic streamfunction over |
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157 | ! 3 rows and 3 time step (now, before, and before before) |
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158 | |
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159 | REAL(wp), DIMENSION(jpjwd:jpjwf) :: & |
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160 | bfow ! now climatology of the west boundary barotropic stream function |
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161 | |
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162 | REAL(wp), DIMENSION(jpj,jpk) :: & |
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163 | ufow, vfow, & ! now climatology of the west velocities |
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164 | tfow, sfow, & ! now climatology of the west temperature and salinity |
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165 | ucliw ! baroclinic componant of the zonal velocity after the radiation |
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166 | ! in the obcdyn.F90 routine |
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167 | |
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168 | REAL(wp), DIMENSION(jpjglo,jpk,1) :: & |
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169 | uwdta, twdta, swdta ! array used for interpolating monthly data on the west boundary |
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170 | |
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171 | !!------------------------------------------------------------------------------------------- |
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172 | !! Arrays for radiative West OBC: |
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173 | !!------------------------------- |
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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 | END MODULE obc_oce |
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