- Timestamp:
- 2013-11-07T11:01:27+01:00 (10 years ago)
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- 1 edited
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branches/2013/dev_LOCEAN_2013/NEMOGCM/NEMO/OPA_SRC/SBC/sbcblk_core.F90
r4147 r4161 42 42 USE sbc_ice ! Surface boundary condition: ice fields 43 43 #endif 44 USE lib_fortran ! to use key_nosignedzero 44 45 45 46 IMPLICIT NONE … … 69 70 REAL(wp), PARAMETER :: Ls = 2.839e6 ! latent heat of sublimation 70 71 REAL(wp), PARAMETER :: Stef = 5.67e-8 ! Stefan Boltzmann constant 71 REAL(wp), PARAMETER :: Cice = 1. 63e-3 ! transfer coefficient over ice72 REAL(wp), PARAMETER :: Cice = 1.4e-3 ! iovi 1.63e-3 ! transfer coefficient over ice 72 73 REAL(wp), PARAMETER :: albo = 0.066 ! ocean albedo assumed to be constant 73 74 … … 76 77 LOGICAL :: ln_taudif ! logical flag to use the "mean of stress module - module of mean stress" data 77 78 REAL(wp) :: rn_pfac ! multiplication factor for precipitation 79 REAL(wp) :: rn_efac ! multiplication factor for evaporation (clem) 80 REAL(wp) :: rn_vfac ! multiplication factor for ice/ocean velocity in the calculation of wind stress (clem) 78 81 79 82 !! * Substitutions … … 126 129 CHARACTER(len=100) :: cn_dir ! Root directory for location of core files 127 130 TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read 128 TYPE(FLD_N) :: sn_wndi, sn_wndj, sn_humi, sn_qsr ! informations about the fields to be read 129 TYPE(FLD_N) :: sn_qlw , sn_tair, sn_prec, sn_snow, sn_tdif ! - - 130 NAMELIST/namsbc_core/ cn_dir , ln_2m , ln_taudif, rn_pfac, & 131 TYPE(FLD_N) :: sn_wndi, sn_wndj, sn_humi, sn_qsr ! informations about the fields to be read 132 TYPE(FLD_N) :: sn_qlw , sn_tair, sn_prec, sn_snow ! " " 133 TYPE(FLD_N) :: sn_tdif ! " " 134 NAMELIST/namsbc_core/ cn_dir , ln_2m , ln_taudif, rn_pfac, rn_efac, rn_vfac, & 131 135 & sn_wndi, sn_wndj, sn_humi , sn_qsr , & 132 136 & sn_qlw , sn_tair, sn_prec , sn_snow, sn_tdif … … 274 278 DO jj = 2, jpjm1 275 279 DO ji = fs_2, fs_jpim1 ! vect. opt. 276 zwnd_i(ji,jj) = ( sf(jp_wndi)%fnow(ji,jj,1) - 0.5 * ( pu(ji-1,jj ) + pu(ji,jj) ) )277 zwnd_j(ji,jj) = ( sf(jp_wndj)%fnow(ji,jj,1) - 0.5 * ( pv(ji ,jj-1) + pv(ji,jj) ) )280 zwnd_i(ji,jj) = ( sf(jp_wndi)%fnow(ji,jj,1) - rn_vfac * 0.5 * ( pu(ji-1,jj ) + pu(ji,jj) ) ) 281 zwnd_j(ji,jj) = ( sf(jp_wndj)%fnow(ji,jj,1) - rn_vfac * 0.5 * ( pv(ji ,jj-1) + pv(ji,jj) ) ) 278 282 END DO 279 283 END DO … … 359 363 IF( ln_2m ) THEN 360 364 ! Values of temp. and hum. adjusted to 10m must be used instead of 2m values 361 zevap(:,:) = MAX( 0.e0, rhoa *Ce(:,:)*( zqsatw(:,:) - zq_zu(:,:) ) * wndm(:,:) ) ! Evaporation362 zqsb (:,:) = rhoa*cpa*Ch(:,:)*( zst (:,:) - zt_zu(:,:) ) * wndm(:,:) ! Sensible Heat365 zevap(:,:) = rn_efac * MAX( 0.e0, rhoa *Ce(:,:)*( zqsatw(:,:) - zq_zu(:,:) ) * wndm(:,:) ) ! Evaporation 366 zqsb (:,:) = rhoa*cpa*Ch(:,:)*( zst (:,:) - zt_zu(:,:) ) * wndm(:,:) ! Sensible Heat 363 367 ELSE 364 368 !CDIR COLLAPSE 365 zevap(:,:) = MAX( 0.e0, rhoa *Ce(:,:)*( zqsatw(:,:) - sf(jp_humi)%fnow(:,:,1) ) * wndm(:,:) ) ! Evaporation369 zevap(:,:) = rn_efac * MAX( 0.e0, rhoa *Ce(:,:)*( zqsatw(:,:) - sf(jp_humi)%fnow(:,:,1) ) * wndm(:,:) ) ! Evaporation 366 370 !CDIR COLLAPSE 367 371 zqsb (:,:) = rhoa*cpa*Ch(:,:)*( zst (:,:) - sf(jp_tair)%fnow(:,:,1) ) * wndm(:,:) ! Sensible Heat … … 505 509 ! ... scalar wind at I-point (fld being at T-point) 506 510 zwndi_f = 0.25 * ( sf(jp_wndi)%fnow(ji-1,jj ,1) + sf(jp_wndi)%fnow(ji ,jj ,1) & 507 & + sf(jp_wndi)%fnow(ji-1,jj-1,1) + sf(jp_wndi)%fnow(ji ,jj-1,1) ) - pui(ji,jj)511 & + sf(jp_wndi)%fnow(ji-1,jj-1,1) + sf(jp_wndi)%fnow(ji ,jj-1,1) ) - rn_vfac * pui(ji,jj) 508 512 zwndj_f = 0.25 * ( sf(jp_wndj)%fnow(ji-1,jj ,1) + sf(jp_wndj)%fnow(ji ,jj ,1) & 509 & + sf(jp_wndj)%fnow(ji-1,jj-1,1) + sf(jp_wndj)%fnow(ji ,jj-1,1) ) - pvi(ji,jj)513 & + sf(jp_wndj)%fnow(ji-1,jj-1,1) + sf(jp_wndj)%fnow(ji ,jj-1,1) ) - rn_vfac * pvi(ji,jj) 510 514 zwnorm_f = zcoef_wnorm * SQRT( zwndi_f * zwndi_f + zwndj_f * zwndj_f ) 511 515 ! ... ice stress at I-point … … 513 517 p_tauj(ji,jj) = zwnorm_f * zwndj_f 514 518 ! ... scalar wind at T-point (fld being at T-point) 515 zwndi_t = sf(jp_wndi)%fnow(ji,jj,1) - 0.25 * ( pui(ji,jj+1) + pui(ji+1,jj+1) &516 & + pui(ji,jj ) + pui(ji+1,jj ) )517 zwndj_t = sf(jp_wndj)%fnow(ji,jj,1) - 0.25 * ( pvi(ji,jj+1) + pvi(ji+1,jj+1) &518 & + pvi(ji,jj ) + pvi(ji+1,jj ) )519 zwndi_t = sf(jp_wndi)%fnow(ji,jj,1) - rn_vfac * 0.25 * ( pui(ji,jj+1) + pui(ji+1,jj+1) & 520 & + pui(ji,jj ) + pui(ji+1,jj ) ) 521 zwndj_t = sf(jp_wndj)%fnow(ji,jj,1) - rn_vfac * 0.25 * ( pvi(ji,jj+1) + pvi(ji+1,jj+1) & 522 & + pvi(ji,jj ) + pvi(ji+1,jj ) ) 519 523 z_wnds_t(ji,jj) = SQRT( zwndi_t * zwndi_t + zwndj_t * zwndj_t ) * tmask(ji,jj,1) 520 524 END DO … … 530 534 DO jj = 2, jpj 531 535 DO ji = fs_2, jpi ! vect. opt. 532 zwndi_t = ( sf(jp_wndi)%fnow(ji,jj,1) - 0.5 * ( pui(ji-1,jj ) + pui(ji,jj) ) )533 zwndj_t = ( sf(jp_wndj)%fnow(ji,jj,1) - 0.5 * ( pvi(ji ,jj-1) + pvi(ji,jj) ) )536 zwndi_t = ( sf(jp_wndi)%fnow(ji,jj,1) - rn_vfac * 0.5 * ( pui(ji-1,jj ) + pui(ji,jj) ) ) 537 zwndj_t = ( sf(jp_wndj)%fnow(ji,jj,1) - rn_vfac * 0.5 * ( pvi(ji ,jj-1) + pvi(ji,jj) ) ) 534 538 z_wnds_t(ji,jj) = SQRT( zwndi_t * zwndi_t + zwndj_t * zwndj_t ) * tmask(ji,jj,1) 535 539 END DO … … 541 545 DO ji = fs_2, fs_jpim1 ! vect. opt. 542 546 p_taui(ji,jj) = zcoef_wnorm2 * ( z_wnds_t(ji+1,jj ) + z_wnds_t(ji,jj) ) & 543 & * ( 0.5 * (sf(jp_wndi)%fnow(ji+1,jj,1) + sf(jp_wndi)%fnow(ji,jj,1) ) - pui(ji,jj) )547 & * ( 0.5 * (sf(jp_wndi)%fnow(ji+1,jj,1) + sf(jp_wndi)%fnow(ji,jj,1) ) - rn_vfac * pui(ji,jj) ) 544 548 p_tauj(ji,jj) = zcoef_wnorm2 * ( z_wnds_t(ji,jj+1 ) + z_wnds_t(ji,jj) ) & 545 & * ( 0.5 * (sf(jp_wndj)%fnow(ji,jj+1,1) + sf(jp_wndj)%fnow(ji,jj,1) ) - pvi(ji,jj) )549 & * ( 0.5 * (sf(jp_wndj)%fnow(ji,jj+1,1) + sf(jp_wndj)%fnow(ji,jj,1) ) - rn_vfac * pvi(ji,jj) ) 546 550 END DO 547 551 END DO … … 569 573 p_qsr(ji,jj,jl) = zztmp * ( 1. - palb(ji,jj,jl) ) * qsr(ji,jj) 570 574 ! Long Wave (lw) 571 z_qlw(ji,jj,jl) = 0.95 * ( sf(jp_qlw)%fnow(ji,jj,1) - Stef * pst(ji,jj,jl) * zst3 ) * tmask(ji,jj,1) 575 ! iovino 576 IF( ff(ji,jj) .GT. 0._wp ) THEN 577 z_qlw(ji,jj,jl) = ( 0.95 * sf(jp_qlw)%fnow(ji,jj,1) - Stef * pst(ji,jj,jl) * zst3 ) * tmask(ji,jj,1) 578 ELSE 579 z_qlw(ji,jj,jl) = 0.95 * ( sf(jp_qlw)%fnow(ji,jj,1) - Stef * pst(ji,jj,jl) * zst3 ) * tmask(ji,jj,1) 580 ENDIF 572 581 ! lw sensitivity 573 582 z_dqlw(ji,jj,jl) = zcoef_dqlw * zst3 … … 581 590 z_qsb(ji,jj,jl) = rhoa * cpa * Cice * z_wnds_t(ji,jj) * ( pst(ji,jj,jl) - sf(jp_tair)%fnow(ji,jj,1) ) 582 591 ! Latent Heat 583 p_qla(ji,jj,jl) = MAX( 0.e0, rhoa * Ls * Cice * z_wnds_t(ji,jj) &584 & * ( 11637800. * EXP( -5897.8 / pst(ji,jj,jl) ) / rhoa - sf(jp_humi)%fnow(ji,jj,1) ) )592 p_qla(ji,jj,jl) = rn_efac * MAX( 0.e0, rhoa * Ls * Cice * z_wnds_t(ji,jj) & 593 & * ( 11637800. * EXP( -5897.8 / pst(ji,jj,jl) ) / rhoa - sf(jp_humi)%fnow(ji,jj,1) ) ) 585 594 ! Latent heat sensitivity for ice (Dqla/Dt) 586 p_dqla(ji,jj,jl) = zcoef_dqla * z_wnds_t(ji,jj) / ( zst2 ) * EXP( -5897.8 / pst(ji,jj,jl) )595 p_dqla(ji,jj,jl) = rn_efac * zcoef_dqla * z_wnds_t(ji,jj) / ( zst2 ) * EXP( -5897.8 / pst(ji,jj,jl) ) 587 596 ! Sensible heat sensitivity (Dqsb_ice/Dtn_ice) 588 597 z_dqsb(ji,jj,jl) = zcoef_dqsb * z_wnds_t(ji,jj) … … 615 624 !CDIR COLLAPSE 616 625 p_spr(:,:) = sf(jp_snow)%fnow(:,:,1) * rn_pfac ! solid precipitation [kg/m2/s] 617 CALL iom_put( 'snowpre', p_spr ) ! Snow precipitation 626 CALL iom_put( 'snowpre', p_spr * 86400. ) ! Snow precipitation 627 CALL iom_put( 'precip', p_tpr * 86400. ) ! Total precipitation 618 628 ! 619 629 IF(ln_ctl) THEN
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