- Timestamp:
- 2016-05-03T14:28:12+02:00 (8 years ago)
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- 1 edited
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branches/UKMO/dev_r6501_GO6_package_trunk/NEMOGCM/NEMO/OPA_SRC/ZDF/zdftke.F90
r6503 r6507 81 81 INTEGER :: nn_htau ! type of tke profile of penetration (=0/1) 82 82 REAL(wp) :: rn_efr ! fraction of TKE surface value which penetrates in the ocean 83 REAL(wp) :: rn_c ! fraction of TKE added within the mixed layer by nn_etau 83 84 LOGICAL :: ln_lc ! Langmuir cells (LC) as a source term of TKE or not 84 85 REAL(wp) :: rn_lc ! coef to compute vertical velocity of Langmuir cells … … 86 87 REAL(wp) :: ri_cri ! critic Richardson number (deduced from rn_ediff and rn_ediss values) 87 88 REAL(wp) :: rmxl_min ! minimum mixing length value (deduced from rn_ediff and rn_emin values) [m] 89 REAL(wp) :: rhtau ! coefficient to relate MLD to htau when nn_htau == 2 88 90 REAL(wp) :: rhftau_add = 1.e-3_wp ! add offset applied to HF part of taum (nn_etau=3) 89 91 REAL(wp) :: rhftau_scl = 1.0_wp ! scale factor applied to HF part of taum (nn_etau=3) 90 92 91 93 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:) :: htau ! depth of tke penetration (nn_htau) 94 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:) :: efr ! surface boundary condition for nn_etau = 4 92 95 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: dissl ! now mixing lenght of dissipation 93 96 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: apdlr ! now mixing lenght of dissipation … … 112 115 !!---------------------------------------------------------------------- 113 116 ALLOCATE( & 117 & efr (jpi,jpj) , & 114 118 #if defined key_c1d 115 119 & e_dis(jpi,jpj,jpk) , e_mix(jpi,jpj,jpk) , & … … 446 450 ! ! TKE due to surface and internal wave breaking 447 451 ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 452 IF( nn_htau == 2 ) THEN !* mixed-layer depth dependant length scale 453 DO jj = 2, jpjm1 454 DO ji = fs_2, fs_jpim1 ! vector opt. 455 htau(ji,jj) = rhtau * hmlp(ji,jj) 456 END DO 457 END DO 458 ENDIF 459 #if defined key_iomput 460 ! 461 CALL iom_put( "htau", htau(:,:) ) ! Check htau (even if constant in time) 462 #endif 463 ! 448 464 !!gm BUG : in the exp remove the depth of ssh !!! 449 450 465 451 466 IF( nn_etau == 1 ) THEN !* penetration below the mixed layer (rn_efr fraction) … … 477 492 en(ji,jj,jk) = en(ji,jj,jk) + zbbrau * zdif * EXP( -gdepw_n(ji,jj,jk) / htau(ji,jj) ) & 478 493 & * ( 1._wp - fr_i(ji,jj) ) * wmask(ji,jj,jk) * tmask(ji,jj,1) 494 END DO 495 END DO 496 END DO 497 ELSEIF( nn_etau == 4 ) THEN !* column integral independant of htau (rn_efr must be scaled up) 498 IF( nn_htau == 2 ) THEN ! efr dependant on time-varying htau 499 DO jj = 2, jpjm1 500 DO ji = fs_2, fs_jpim1 ! vector opt. 501 efr(ji,jj) = rn_efr / ( htau(ji,jj) * ( 1._wp - EXP( -bathy(ji,jj) / htau(ji,jj) ) ) ) 502 END DO 503 END DO 504 ENDIF 505 DO jk = 2, jpkm1 506 DO jj = 2, jpjm1 507 DO ji = fs_2, fs_jpim1 ! vector opt. 508 en(ji,jj,jk) = en(ji,jj,jk) + efr(ji,jj) * en(ji,jj,1) * EXP( -gdepw_n(ji,jj,jk) / htau(ji,jj) ) & 509 & * ( 1._wp - fr_i(ji,jj) ) * tmask(ji,jj,jk) 479 510 END DO 480 511 END DO … … 723 754 !!---------------------------------------------------------------------- 724 755 INTEGER :: ji, jj, jk ! dummy loop indices 725 INTEGER :: ios 756 INTEGER :: ios, ierr 726 757 !! 727 758 NAMELIST/namzdf_tke/ rn_ediff, rn_ediss , rn_ebb , rn_emin , & 728 759 & rn_emin0, rn_bshear, nn_mxl , ln_mxl0 , & 729 760 & rn_mxl0 , nn_pdl , ln_lc , rn_lc , & 730 & nn_etau , nn_htau , rn_efr 761 & nn_etau , nn_htau , rn_efr , rn_c 731 762 !!---------------------------------------------------------------------- 732 763 ! … … 774 805 WRITE(numout,*) ' flag for computation of exp. tke profile nn_htau = ', nn_htau 775 806 WRITE(numout,*) ' fraction of en which pene. the thermocline rn_efr = ', rn_efr 807 WRITE(numout,*) ' fraction of TKE added within the mixed layer by nn_etau rn_c = ', rn_c 776 808 WRITE(numout,*) 777 809 WRITE(numout,*) ' critical Richardson nb with your parameters ri_cri = ', ri_cri … … 784 816 IF( nn_mxl < 0 .OR. nn_mxl > 3 ) CALL ctl_stop( 'bad flag: nn_mxl is 0, 1 or 2 ' ) 785 817 IF( nn_pdl < 0 .OR. nn_pdl > 1 ) CALL ctl_stop( 'bad flag: nn_pdl is 0 or 1 ' ) 786 IF( nn_htau < 0 .OR. nn_htau > 1 ) CALL ctl_stop( 'bad flag: nn_htau is 0, 1 or 2' )818 IF( nn_htau < 0 .OR. nn_htau > 5 ) CALL ctl_stop( 'bad flag: nn_htau is 0 to 5 ' ) 787 819 IF( nn_etau == 3 .AND. .NOT. ln_cpl ) CALL ctl_stop( 'nn_etau == 3 : HF taum only known in coupled mode' ) 788 820 … … 792 824 ENDIF 793 825 794 IF( nn_etau == 2 ) CALL zdf_mxl( nit000 ) ! Initialization of nmln 826 IF( nn_etau == 2 ) THEN 827 ierr = zdf_mxl_alloc() 828 nmln(:,:) = nlb10 ! Initialization of nmln 829 ENDIF 830 831 IF( nn_etau /= 0 .and. nn_htau == 2 ) THEN 832 ierr = zdf_mxl_alloc() 833 nmln(:,:) = nlb10 ! Initialization of nmln 834 ENDIF 795 835 796 836 ! !* depth of penetration of surface tke 797 837 IF( nn_etau /= 0 ) THEN 838 htau(:,:) = 0._wp 798 839 SELECT CASE( nn_htau ) ! Choice of the depth of penetration 799 840 CASE( 0 ) ! constant depth penetration (here 10 meters) … … 801 842 CASE( 1 ) ! F(latitude) : 0.5m to 30m poleward of 40 degrees 802 843 htau(:,:) = MAX( 0.5_wp, MIN( 30._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(:,:) ) ) ) ) 844 CASE( 2 ) ! fraction of depth-integrated TKE within mixed-layer 845 rhtau = -1._wp / LOG( 1._wp - rn_c ) 846 CASE( 3 ) ! F(latitude) : 0.5m to 15m poleward of 20 degrees 847 htau(:,:) = MAX( 0.5_wp, MIN( 15._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(:,:) ) ) ) ) 848 CASE( 4 ) ! F(latitude) : 0.5m to 10m/30m poleward of 13/40 degrees north/south 849 DO jj = 2, jpjm1 850 DO ji = fs_2, fs_jpim1 ! vector opt. 851 IF( gphit(ji,jj) <= 0._wp ) THEN 852 htau(ji,jj) = MAX( 0.5_wp, MIN( 30._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 853 ELSE 854 htau(ji,jj) = MAX( 0.5_wp, MIN( 10._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 855 ENDIF 856 END DO 857 END DO 858 CASE ( 5 ) ! F(latitude) : 0.5m to 10m poleward of 13 degrees north/south, 859 DO jj = 2, jpjm1 ! 10m to 30m between 30/45 degrees south 860 DO ji = fs_2, fs_jpim1 ! vector opt. 861 IF( gphit(ji,jj) <= -30._wp ) THEN 862 htau(ji,jj) = MAX( 10._wp, MIN( 30._wp, 55._wp* ABS( SIN( rpi/120._wp * ( gphit(ji,jj) + 23._wp ) ) ) ) ) 863 ELSE 864 htau(ji,jj) = MAX( 0.5_wp, MIN( 10._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 865 ENDIF 866 END DO 867 END DO 803 868 END SELECT 869 ! 870 IF( nn_etau == 4 .AND. nn_htau /= 2 ) THEN ! efr dependant on constant htau 871 DO jj = 2, jpjm1 872 DO ji = fs_2, fs_jpim1 ! vector opt. 873 efr(ji,jj) = rn_efr / ( htau(ji,jj) * ( 1._wp - EXP( -bathy(ji,jj) / htau(ji,jj) ) ) ) 874 END DO 875 END DO 876 ENDIF 804 877 ENDIF 805 878 ! !* set vertical eddy coef. to the background value
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