- Timestamp:
- 2015-04-29T10:35:19+02:00 (9 years ago)
- File:
-
- 1 edited
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branches/UKMO/dev_r5021_nn_etau_revision/NEMOGCM/NEMO/OPA_SRC/ZDF/zdftke.F90
- Property svn:keywords deleted
r4990 r5239 76 76 INTEGER :: nn_htau ! type of tke profile of penetration (=0/1) 77 77 REAL(wp) :: rn_efr ! fraction of TKE surface value which penetrates in the ocean 78 REAL(wp) :: rn_c ! fraction of TKE added within the mixed layer by nn_etau 78 79 LOGICAL :: ln_lc ! Langmuir cells (LC) as a source term of TKE or not 79 80 REAL(wp) :: rn_lc ! coef to compute vertical velocity of Langmuir cells … … 81 82 REAL(wp) :: ri_cri ! critic Richardson number (deduced from rn_ediff and rn_ediss values) 82 83 REAL(wp) :: rmxl_min ! minimum mixing length value (deduced from rn_ediff and rn_emin values) [m] 84 REAL(wp) :: rhtau ! coefficient to relate MLD to htau when nn_htau == 2 83 85 REAL(wp) :: rhftau_add = 1.e-3_wp ! add offset applied to HF part of taum (nn_etau=3) 84 86 REAL(wp) :: rhftau_scl = 1.0_wp ! scale factor applied to HF part of taum (nn_etau=3) 85 87 86 88 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: en !: now turbulent kinetic energy [m2/s2] 89 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: e_niw !: TKE budget- near-inertial waves term 87 90 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:) :: htau ! depth of tke penetration (nn_htau) 91 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:) :: efr ! surface boundary condition for nn_etau = 4 88 92 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: dissl ! now mixing lenght of dissipation 89 93 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: avt_k , avm_k ! not enhanced Kz … … 115 119 #endif 116 120 & en (jpi,jpj,jpk) , htau (jpi,jpj) , dissl(jpi,jpj,jpk) , & 117 & avt_k (jpi,jpj,jpk) , avm_k (jpi,jpj,jpk), & 118 & avmu_k(jpi,jpj,jpk) , avmv_k(jpi,jpj,jpk), STAT= zdf_tke_alloc ) 121 & avt_k (jpi,jpj,jpk) , avm_k (jpi,jpj,jpk), efr (jpi,jpj) , & 122 & avmu_k(jpi,jpj,jpk) , avmv_k(jpi,jpj,jpk), e_niw(jpi,jpj,jpk) , & 123 & STAT= zdf_tke_alloc ) 119 124 ! 120 125 IF( lk_mpp ) CALL mpp_sum ( zdf_tke_alloc ) … … 383 388 END DO 384 389 390 ! ! Save TKE prior to nn_etau addition 391 e_niw(:,:,:) = en(:,:,:) 392 ! 385 393 ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 386 394 ! ! TKE due to surface and internal wave breaking 387 395 ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 396 IF( nn_htau == 2 ) THEN !* mixed-layer depth dependant length scale 397 DO jj = 2, jpjm1 398 DO ji = fs_2, fs_jpim1 ! vector opt. 399 htau(ji,jj) = rhtau * hmlp(ji,jj) 400 END DO 401 END DO 402 ENDIF 403 #if defined key_iomput 404 ! 405 CALL iom_put( "htau", htau(:,:) ) ! Check htau (even if constant in time) 406 #endif 407 ! 388 408 IF( nn_etau == 1 ) THEN !* penetration below the mixed layer (rn_efr fraction) 389 409 DO jk = 2, jpkm1 … … 420 440 END DO 421 441 END DO 442 ELSEIF( nn_etau == 4 ) THEN !* column integral independant of htau (rn_efr must be scaled up) 443 IF( nn_htau == 2 ) THEN ! efr dependant on time-varying htau 444 DO jj = 2, jpjm1 445 DO ji = fs_2, fs_jpim1 ! vector opt. 446 efr(ji,jj) = rn_efr / ( htau(ji,jj) * ( 1._wp - EXP( -bathy(ji,jj) / htau(ji,jj) ) ) ) 447 END DO 448 END DO 449 ENDIF 450 DO jk = 2, jpkm1 451 DO jj = 2, jpjm1 452 DO ji = fs_2, fs_jpim1 ! vector opt. 453 en(ji,jj,jk) = en(ji,jj,jk) + efr(ji,jj) * en(ji,jj,1) * EXP( -fsdepw(ji,jj,jk) / htau(ji,jj) ) & 454 & * ( 1._wp - fr_i(ji,jj) ) * tmask(ji,jj,jk) 455 END DO 456 END DO 457 END DO 422 458 ENDIF 423 459 CALL lbc_lnk( en, 'W', 1. ) ! Lateral boundary conditions (sign unchanged) 460 ! 461 DO jk = 2, jpkm1 ! TKE budget: near-inertial waves term 462 DO jj = 2, jpjm1 463 DO ji = fs_2, fs_jpim1 ! vector opt. 464 e_niw(ji,jj,jk) = en(ji,jj,jk) - e_niw(ji,jj,jk) 465 END DO 466 END DO 467 END DO 468 ! 469 CALL lbc_lnk( e_niw, 'W', 1. ) 424 470 ! 425 471 CALL wrk_dealloc( jpi,jpj, imlc ) ! integer … … 683 729 & rn_emin0, rn_bshear, nn_mxl , ln_mxl0 , & 684 730 & rn_mxl0 , nn_pdl , ln_lc , rn_lc , & 685 & nn_etau , nn_htau , rn_efr 686 !!---------------------------------------------------------------------- 687 ! 731 & nn_etau , nn_htau , rn_efr , rn_c 732 !!---------------------------------------------------------------------- 733 ! 734 ! NB. Default values of namelist parameters should be set in the reference namelist 735 ! but setting this one here because we aren't set up to use the reference namelist 736 ! properly yet. 737 rn_c = 0.8_wp 738 688 739 REWIND( numnam_ref ) ! Namelist namzdf_tke in reference namelist : Turbulent Kinetic Energy 689 740 READ ( numnam_ref, namzdf_tke, IOSTAT = ios, ERR = 901) … … 718 769 WRITE(numout,*) ' flag for computation of exp. tke profile nn_htau = ', nn_htau 719 770 WRITE(numout,*) ' fraction of en which pene. the thermocline rn_efr = ', rn_efr 771 WRITE(numout,*) ' fraction of TKE added within the mixed layer by nn_etau rn_c = ', rn_c 720 772 WRITE(numout,*) 721 773 WRITE(numout,*) ' critical Richardson nb with your parameters ri_cri = ', ri_cri … … 728 780 IF( nn_mxl < 0 .OR. nn_mxl > 3 ) CALL ctl_stop( 'bad flag: nn_mxl is 0, 1 or 2 ' ) 729 781 IF( nn_pdl < 0 .OR. nn_pdl > 1 ) CALL ctl_stop( 'bad flag: nn_pdl is 0 or 1 ' ) 730 IF( nn_htau < 0 .OR. nn_htau > 1 ) CALL ctl_stop( 'bad flag: nn_htau is 0, 1 or 2' )782 IF( nn_htau < 0 .OR. nn_htau > 5 ) CALL ctl_stop( 'bad flag: nn_htau is 0 to 5 ' ) 731 783 IF( nn_etau == 3 .AND. .NOT. lk_cpl ) CALL ctl_stop( 'nn_etau == 3 : HF taum only known in coupled mode' ) 732 784 … … 736 788 ENDIF 737 789 738 IF( nn_etau == 2 ) CALL zdf_mxl( nit000 ) ! Initialization of nmln790 IF( nn_etau == 2 .OR. ( nn_etau /= 0 .AND. nn_htau == 2 ) ) CALL zdf_mxl( nit000 - 1 ) ! Initialization of nmln and hmlp 739 791 740 792 ! !* depth of penetration of surface tke 741 793 IF( nn_etau /= 0 ) THEN 794 htau(:,:) = 0._wp 742 795 SELECT CASE( nn_htau ) ! Choice of the depth of penetration 743 796 CASE( 0 ) ! constant depth penetration (here 10 meters) … … 745 798 CASE( 1 ) ! F(latitude) : 0.5m to 30m poleward of 40 degrees 746 799 htau(:,:) = MAX( 0.5_wp, MIN( 30._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(:,:) ) ) ) ) 800 CASE( 2 ) ! fraction of depth-integrated TKE within mixed-layer 801 rhtau = -1._wp / LOG( 1._wp - rn_c ) 802 CASE( 3 ) ! F(latitude) : 0.5m to 15m poleward of 20 degrees 803 htau(:,:) = MAX( 0.5_wp, MIN( 15._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(:,:) ) ) ) ) 804 CASE( 4 ) ! F(latitude) : 0.5m to 10m/30m poleward of 13/40 degrees north/south 805 DO jj = 2, jpjm1 806 DO ji = fs_2, fs_jpim1 ! vector opt. 807 IF( gphit(ji,jj) <= 0._wp ) THEN 808 htau(ji,jj) = MAX( 0.5_wp, MIN( 30._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 809 ELSE 810 htau(ji,jj) = MAX( 0.5_wp, MIN( 10._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 811 ENDIF 812 END DO 813 END DO 814 CASE ( 5 ) ! F(latitude) : 0.5m to 10m poleward of 13 degrees north/south, 815 DO jj = 2, jpjm1 ! 10m to 30m between 30/45 degrees south 816 DO ji = fs_2, fs_jpim1 ! vector opt. 817 IF( gphit(ji,jj) <= -30._wp ) THEN 818 htau(ji,jj) = MAX( 10._wp, MIN( 30._wp, 55._wp* ABS( SIN( rpi/120._wp * ( gphit(ji,jj) + 23._wp ) ) ) ) ) 819 ELSE 820 htau(ji,jj) = MAX( 0.5_wp, MIN( 10._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 821 ENDIF 822 END DO 823 END DO 747 824 END SELECT 825 ! 826 IF( nn_etau == 4 .AND. nn_htau /= 2 ) THEN ! efr dependant on constant htau 827 DO jj = 2, jpjm1 828 DO ji = fs_2, fs_jpim1 ! vector opt. 829 efr(ji,jj) = rn_efr / ( htau(ji,jj) * ( 1._wp - EXP( -bathy(ji,jj) / htau(ji,jj) ) ) ) 830 END DO 831 END DO 832 ENDIF 748 833 ENDIF 749 834 ! !* set vertical eddy coef. to the background value
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