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