- Timestamp:
- 2015-06-19T18:07:11+02:00 (9 years ago)
- File:
-
- 1 edited
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branches/UKMO/dev_r5107_mld_zint/NEMOGCM/NEMO/OPA_SRC/TRA/eosbn2.F90
r5247 r5447 47 47 USE lbclnk ! ocean lateral boundary conditions 48 48 USE timing ! Timing 49 USE stopar ! Stochastic T/S fluctuations 50 USE stopts ! Stochastic T/S fluctuations 49 51 50 52 IMPLICIT NONE … … 72 74 PUBLIC eos_init ! called by istate module 73 75 74 ! 75 INTEGER , PUBLIC :: nn_eos = 0 !:= 0/1/2 type of eq. of state and Brunt-Vaisala frequ.76 LOGICAL , PUBLIC :: ln_useCT = .FALSE.! determine if eos_pt_from_ct is used to compute sst_m76 ! !!* Namelist (nameos) * 77 INTEGER , PUBLIC :: nn_eos ! = 0/1/2 type of eq. of state and Brunt-Vaisala frequ. 78 LOGICAL , PUBLIC :: ln_useCT ! determine if eos_pt_from_ct is used to compute sst_m 77 79 78 80 ! !!! simplified eos coefficients … … 313 315 REAL(wp), DIMENSION(jpi,jpj,jpk ), INTENT(in ) :: pdep ! depth [m] 314 316 ! 315 INTEGER :: ji, jj, jk ! dummy loop indices 316 REAL(wp) :: zt , zh , zs , ztm ! local scalars 317 REAL(wp) :: zn , zn0, zn1, zn2, zn3 ! - - 317 INTEGER :: ji, jj, jk, jsmp ! dummy loop indices 318 INTEGER :: jdof 319 REAL(wp) :: zt , zh , zstemp, zs , ztm ! local scalars 320 REAL(wp) :: zn , zn0, zn1, zn2, zn3 ! - - 321 REAL(wp), DIMENSION(:), ALLOCATABLE :: zn0_sto, zn_sto, zsign ! local vectors 318 322 !!---------------------------------------------------------------------- 319 323 ! … … 324 328 CASE( -1, 0 ) !== polynomial TEOS-10 / EOS-80 ==! 325 329 ! 326 DO jk = 1, jpkm1 327 DO jj = 1, jpj 328 DO ji = 1, jpi 329 ! 330 zh = pdep(ji,jj,jk) * r1_Z0 ! depth 331 zt = pts (ji,jj,jk,jp_tem) * r1_T0 ! temperature 332 zs = SQRT( ABS( pts(ji,jj,jk,jp_sal) + rdeltaS ) * r1_S0 ) ! square root salinity 333 ztm = tmask(ji,jj,jk) ! tmask 334 ! 335 zn3 = EOS013*zt & 336 & + EOS103*zs+EOS003 337 ! 338 zn2 = (EOS022*zt & 339 & + EOS112*zs+EOS012)*zt & 340 & + (EOS202*zs+EOS102)*zs+EOS002 341 ! 342 zn1 = (((EOS041*zt & 343 & + EOS131*zs+EOS031)*zt & 344 & + (EOS221*zs+EOS121)*zs+EOS021)*zt & 345 & + ((EOS311*zs+EOS211)*zs+EOS111)*zs+EOS011)*zt & 346 & + (((EOS401*zs+EOS301)*zs+EOS201)*zs+EOS101)*zs+EOS001 347 ! 348 zn0 = (((((EOS060*zt & 349 & + EOS150*zs+EOS050)*zt & 350 & + (EOS240*zs+EOS140)*zs+EOS040)*zt & 351 & + ((EOS330*zs+EOS230)*zs+EOS130)*zs+EOS030)*zt & 352 & + (((EOS420*zs+EOS320)*zs+EOS220)*zs+EOS120)*zs+EOS020)*zt & 353 & + ((((EOS510*zs+EOS410)*zs+EOS310)*zs+EOS210)*zs+EOS110)*zs+EOS010)*zt & 354 & + (((((EOS600*zs+EOS500)*zs+EOS400)*zs+EOS300)*zs+EOS200)*zs+EOS100)*zs+EOS000 355 ! 356 zn = ( ( zn3 * zh + zn2 ) * zh + zn1 ) * zh + zn0 357 ! 358 prhop(ji,jj,jk) = zn0 * ztm ! potential density referenced at the surface 359 ! 360 prd(ji,jj,jk) = ( zn * r1_rau0 - 1._wp ) * ztm ! density anomaly (masked) 330 ! Stochastic equation of state 331 IF ( ln_sto_eos ) THEN 332 ALLOCATE(zn0_sto(1:2*nn_sto_eos)) 333 ALLOCATE(zn_sto(1:2*nn_sto_eos)) 334 ALLOCATE(zsign(1:2*nn_sto_eos)) 335 DO jsmp = 1, 2*nn_sto_eos, 2 336 zsign(jsmp) = 1._wp 337 zsign(jsmp+1) = -1._wp 338 END DO 339 ! 340 DO jk = 1, jpkm1 341 DO jj = 1, jpj 342 DO ji = 1, jpi 343 ! 344 ! compute density (2*nn_sto_eos) times: 345 ! (1) for t+dt, s+ds (with the random TS fluctutation computed in sto_pts) 346 ! (2) for t-dt, s-ds (with the opposite fluctuation) 347 DO jsmp = 1, nn_sto_eos*2 348 jdof = (jsmp + 1) / 2 349 zh = pdep(ji,jj,jk) * r1_Z0 ! depth 350 zt = (pts (ji,jj,jk,jp_tem) + pts_ran(ji,jj,jk,jp_tem,jdof) * zsign(jsmp)) * r1_T0 ! temperature 351 zstemp = pts (ji,jj,jk,jp_sal) + pts_ran(ji,jj,jk,jp_sal,jdof) * zsign(jsmp) 352 zs = SQRT( ABS( zstemp + rdeltaS ) * r1_S0 ) ! square root salinity 353 ztm = tmask(ji,jj,jk) ! tmask 354 ! 355 zn3 = EOS013*zt & 356 & + EOS103*zs+EOS003 357 ! 358 zn2 = (EOS022*zt & 359 & + EOS112*zs+EOS012)*zt & 360 & + (EOS202*zs+EOS102)*zs+EOS002 361 ! 362 zn1 = (((EOS041*zt & 363 & + EOS131*zs+EOS031)*zt & 364 & + (EOS221*zs+EOS121)*zs+EOS021)*zt & 365 & + ((EOS311*zs+EOS211)*zs+EOS111)*zs+EOS011)*zt & 366 & + (((EOS401*zs+EOS301)*zs+EOS201)*zs+EOS101)*zs+EOS001 367 ! 368 zn0_sto(jsmp) = (((((EOS060*zt & 369 & + EOS150*zs+EOS050)*zt & 370 & + (EOS240*zs+EOS140)*zs+EOS040)*zt & 371 & + ((EOS330*zs+EOS230)*zs+EOS130)*zs+EOS030)*zt & 372 & + (((EOS420*zs+EOS320)*zs+EOS220)*zs+EOS120)*zs+EOS020)*zt & 373 & + ((((EOS510*zs+EOS410)*zs+EOS310)*zs+EOS210)*zs+EOS110)*zs+EOS010)*zt & 374 & + (((((EOS600*zs+EOS500)*zs+EOS400)*zs+EOS300)*zs+EOS200)*zs+EOS100)*zs+EOS000 375 ! 376 zn_sto(jsmp) = ( ( zn3 * zh + zn2 ) * zh + zn1 ) * zh + zn0_sto(jsmp) 377 END DO 378 ! 379 ! compute stochastic density as the mean of the (2*nn_sto_eos) densities 380 prhop(ji,jj,jk) = 0._wp ; prd(ji,jj,jk) = 0._wp 381 DO jsmp = 1, nn_sto_eos*2 382 prhop(ji,jj,jk) = prhop(ji,jj,jk) + zn0_sto(jsmp) ! potential density referenced at the surface 383 ! 384 prd(ji,jj,jk) = prd(ji,jj,jk) + ( zn_sto(jsmp) * r1_rau0 - 1._wp ) ! density anomaly (masked) 385 END DO 386 prhop(ji,jj,jk) = 0.5_wp * prhop(ji,jj,jk) * ztm / nn_sto_eos 387 prd (ji,jj,jk) = 0.5_wp * prd (ji,jj,jk) * ztm / nn_sto_eos 388 END DO 361 389 END DO 362 390 END DO 363 END DO 364 ! 391 DEALLOCATE(zn0_sto,zn_sto,zsign) 392 ! Non-stochastic equation of state 393 ELSE 394 DO jk = 1, jpkm1 395 DO jj = 1, jpj 396 DO ji = 1, jpi 397 ! 398 zh = pdep(ji,jj,jk) * r1_Z0 ! depth 399 zt = pts (ji,jj,jk,jp_tem) * r1_T0 ! temperature 400 zs = SQRT( ABS( pts(ji,jj,jk,jp_sal) + rdeltaS ) * r1_S0 ) ! square root salinity 401 ztm = tmask(ji,jj,jk) ! tmask 402 ! 403 zn3 = EOS013*zt & 404 & + EOS103*zs+EOS003 405 ! 406 zn2 = (EOS022*zt & 407 & + EOS112*zs+EOS012)*zt & 408 & + (EOS202*zs+EOS102)*zs+EOS002 409 ! 410 zn1 = (((EOS041*zt & 411 & + EOS131*zs+EOS031)*zt & 412 & + (EOS221*zs+EOS121)*zs+EOS021)*zt & 413 & + ((EOS311*zs+EOS211)*zs+EOS111)*zs+EOS011)*zt & 414 & + (((EOS401*zs+EOS301)*zs+EOS201)*zs+EOS101)*zs+EOS001 415 ! 416 zn0 = (((((EOS060*zt & 417 & + EOS150*zs+EOS050)*zt & 418 & + (EOS240*zs+EOS140)*zs+EOS040)*zt & 419 & + ((EOS330*zs+EOS230)*zs+EOS130)*zs+EOS030)*zt & 420 & + (((EOS420*zs+EOS320)*zs+EOS220)*zs+EOS120)*zs+EOS020)*zt & 421 & + ((((EOS510*zs+EOS410)*zs+EOS310)*zs+EOS210)*zs+EOS110)*zs+EOS010)*zt & 422 & + (((((EOS600*zs+EOS500)*zs+EOS400)*zs+EOS300)*zs+EOS200)*zs+EOS100)*zs+EOS000 423 ! 424 zn = ( ( zn3 * zh + zn2 ) * zh + zn1 ) * zh + zn0 425 ! 426 prhop(ji,jj,jk) = zn0 * ztm ! potential density referenced at the surface 427 ! 428 prd(ji,jj,jk) = ( zn * r1_rau0 - 1._wp ) * ztm ! density anomaly (masked) 429 END DO 430 END DO 431 END DO 432 ENDIF 433 365 434 CASE( 1 ) !== simplified EOS ==! 366 435 ! … … 1183 1252 WRITE(numout,*) ' model uses Conservative Temperature' 1184 1253 WRITE(numout,*) ' Important: model must be initialized with CT and SA fields' 1254 ELSE 1255 WRITE(numout,*) ' model does not use Conservative Temperature' 1185 1256 ENDIF 1186 1257 ENDIF … … 1589 1660 END SELECT 1590 1661 ! 1662 rau0_rcp = rau0 * rcp 1591 1663 r1_rau0 = 1._wp / rau0 1592 1664 r1_rcp = 1._wp / rcp 1593 r1_rau0_rcp = 1._wp / ( rau0 * rcp )1665 r1_rau0_rcp = 1._wp / rau0_rcp 1594 1666 ! 1595 1667 IF(lwp) WRITE(numout,*) … … 1597 1669 IF(lwp) WRITE(numout,*) ' 1. / rau0 r1_rau0 = ', r1_rau0, ' m^3/kg' 1598 1670 IF(lwp) WRITE(numout,*) ' ocean specific heat rcp = ', rcp , ' J/Kelvin' 1671 IF(lwp) WRITE(numout,*) ' rau0 * rcp rau0_rcp = ', rau0_rcp 1599 1672 IF(lwp) WRITE(numout,*) ' 1. / ( rau0 * rcp ) r1_rau0_rcp = ', r1_rau0_rcp 1600 1673 !
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