- Timestamp:
- 2016-04-21T18:15:17+02:00 (8 years ago)
- File:
-
- 1 edited
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branches/UKMO/dev_r5518_GO6_package/NEMOGCM/NEMO/OPA_SRC/ZDF/zdftke.F90
r6487 r6491 83 83 INTEGER :: nn_htau ! type of tke profile of penetration (=0/1) 84 84 REAL(wp) :: rn_efr ! fraction of TKE surface value which penetrates in the ocean 85 REAL(wp) :: rn_c ! fraction of TKE added within the mixed layer by nn_etau 85 86 LOGICAL :: ln_lc ! Langmuir cells (LC) as a source term of TKE or not 86 87 REAL(wp) :: rn_lc ! coef to compute vertical velocity of Langmuir cells … … 88 89 REAL(wp) :: ri_cri ! critic Richardson number (deduced from rn_ediff and rn_ediss values) 89 90 REAL(wp) :: rmxl_min ! minimum mixing length value (deduced from rn_ediff and rn_emin values) [m] 91 REAL(wp) :: rhtau ! coefficient to relate MLD to htau when nn_htau == 2 90 92 REAL(wp) :: rhftau_add = 1.e-3_wp ! add offset applied to HF part of taum (nn_etau=3) 91 93 REAL(wp) :: rhftau_scl = 1.0_wp ! scale factor applied to HF part of taum (nn_etau=3) 92 94 93 95 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:) :: htau ! depth of tke penetration (nn_htau) 96 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: e_niw !: TKE budget- near-inertial waves term 97 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:) :: efr ! surface boundary condition for nn_etau = 4 94 98 REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: dissl ! now mixing lenght of dissipation 95 99 #if defined key_c1d … … 114 118 !!---------------------------------------------------------------------- 115 119 ALLOCATE( & 120 & efr (jpi,jpj) , e_niw(jpi,jpj,jpk) , & 116 121 #if defined key_c1d 117 122 & e_dis(jpi,jpj,jpk) , e_mix(jpi,jpj,jpk) , & … … 420 425 END DO 421 426 427 ! ! Save TKE prior to nn_etau addition 428 e_niw(:,:,:) = en(:,:,:) 429 ! 422 430 ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 423 431 ! ! TKE due to surface and internal wave breaking 424 432 ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 433 IF( nn_htau == 2 ) THEN !* mixed-layer depth dependant length scale 434 DO jj = 2, jpjm1 435 DO ji = fs_2, fs_jpim1 ! vector opt. 436 htau(ji,jj) = rhtau * hmlp(ji,jj) 437 END DO 438 END DO 439 ENDIF 440 #if defined key_iomput 441 ! 442 CALL iom_put( "htau", htau(:,:) ) ! Check htau (even if constant in time) 443 #endif 444 ! 425 445 IF( nn_etau == 1 ) THEN !* penetration below the mixed layer (rn_efr fraction) 426 446 DO jk = 2, jpkm1 … … 457 477 END DO 458 478 END DO 479 ELSEIF( nn_etau == 4 ) THEN !* column integral independant of htau (rn_efr must be scaled up) 480 IF( nn_htau == 2 ) THEN ! efr dependant on time-varying htau 481 DO jj = 2, jpjm1 482 DO ji = fs_2, fs_jpim1 ! vector opt. 483 efr(ji,jj) = rn_efr / ( htau(ji,jj) * ( 1._wp - EXP( -bathy(ji,jj) / htau(ji,jj) ) ) ) 484 END DO 485 END DO 486 ENDIF 487 DO jk = 2, jpkm1 488 DO jj = 2, jpjm1 489 DO ji = fs_2, fs_jpim1 ! vector opt. 490 en(ji,jj,jk) = en(ji,jj,jk) + efr(ji,jj) * en(ji,jj,1) * EXP( -fsdepw(ji,jj,jk) / htau(ji,jj) ) & 491 & * ( 1._wp - fr_i(ji,jj) ) * tmask(ji,jj,jk) 492 END DO 493 END DO 494 END DO 459 495 ENDIF 460 496 CALL lbc_lnk( en, 'W', 1. ) ! Lateral boundary conditions (sign unchanged) 497 ! 498 DO jk = 2, jpkm1 ! TKE budget: near-inertial waves term 499 DO jj = 2, jpjm1 500 DO ji = fs_2, fs_jpim1 ! vector opt. 501 e_niw(ji,jj,jk) = en(ji,jj,jk) - e_niw(ji,jj,jk) 502 END DO 503 END DO 504 END DO 505 ! 506 CALL lbc_lnk( e_niw, 'W', 1. ) 461 507 ! 462 508 CALL wrk_dealloc( jpi,jpj, imlc ) ! integer … … 722 768 & rn_emin0, rn_bshear, nn_mxl , ln_mxl0 , & 723 769 & rn_mxl0 , nn_pdl , ln_lc , rn_lc , & 724 & nn_etau , nn_htau , rn_efr 725 !!---------------------------------------------------------------------- 726 ! 770 & nn_etau , nn_htau , rn_efr , rn_c 771 !!---------------------------------------------------------------------- 772 727 773 REWIND( numnam_ref ) ! Namelist namzdf_tke in reference namelist : Turbulent Kinetic Energy 728 774 READ ( numnam_ref, namzdf_tke, IOSTAT = ios, ERR = 901) … … 757 803 WRITE(numout,*) ' flag for computation of exp. tke profile nn_htau = ', nn_htau 758 804 WRITE(numout,*) ' fraction of en which pene. the thermocline rn_efr = ', rn_efr 805 WRITE(numout,*) ' fraction of TKE added within the mixed layer by nn_etau rn_c = ', rn_c 759 806 WRITE(numout,*) 760 807 WRITE(numout,*) ' critical Richardson nb with your parameters ri_cri = ', ri_cri … … 767 814 IF( nn_mxl < 0 .OR. nn_mxl > 3 ) CALL ctl_stop( 'bad flag: nn_mxl is 0, 1 or 2 ' ) 768 815 IF( nn_pdl < 0 .OR. nn_pdl > 1 ) CALL ctl_stop( 'bad flag: nn_pdl is 0 or 1 ' ) 769 IF( nn_htau < 0 .OR. nn_htau > 1 ) CALL ctl_stop( 'bad flag: nn_htau is 0, 1 or 2' )816 IF( nn_htau < 0 .OR. nn_htau > 5 ) CALL ctl_stop( 'bad flag: nn_htau is 0 to 5 ' ) 770 817 IF( nn_etau == 3 .AND. .NOT. ln_cpl ) CALL ctl_stop( 'nn_etau == 3 : HF taum only known in coupled mode' ) 771 818 … … 780 827 ENDIF 781 828 829 IF( nn_etau /= 0 .and. nn_htau == 2 ) THEN 830 ierr = zdf_mxl_alloc() 831 nmln(:,:) = nlb10 ! Initialization of nmln 832 ENDIF 833 782 834 ! !* depth of penetration of surface tke 783 835 IF( nn_etau /= 0 ) THEN 836 htau(:,:) = 0._wp 784 837 SELECT CASE( nn_htau ) ! Choice of the depth of penetration 785 838 CASE( 0 ) ! constant depth penetration (here 10 meters) … … 787 840 CASE( 1 ) ! F(latitude) : 0.5m to 30m poleward of 40 degrees 788 841 htau(:,:) = MAX( 0.5_wp, MIN( 30._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(:,:) ) ) ) ) 842 CASE( 2 ) ! fraction of depth-integrated TKE within mixed-layer 843 rhtau = -1._wp / LOG( 1._wp - rn_c ) 844 CASE( 3 ) ! F(latitude) : 0.5m to 15m poleward of 20 degrees 845 htau(:,:) = MAX( 0.5_wp, MIN( 15._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(:,:) ) ) ) ) 846 CASE( 4 ) ! F(latitude) : 0.5m to 10m/30m poleward of 13/40 degrees north/south 847 DO jj = 2, jpjm1 848 DO ji = fs_2, fs_jpim1 ! vector opt. 849 IF( gphit(ji,jj) <= 0._wp ) THEN 850 htau(ji,jj) = MAX( 0.5_wp, MIN( 30._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 851 ELSE 852 htau(ji,jj) = MAX( 0.5_wp, MIN( 10._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 853 ENDIF 854 END DO 855 END DO 856 CASE ( 5 ) ! F(latitude) : 0.5m to 10m poleward of 13 degrees north/south, 857 DO jj = 2, jpjm1 ! 10m to 30m between 30/45 degrees south 858 DO ji = fs_2, fs_jpim1 ! vector opt. 859 IF( gphit(ji,jj) <= -30._wp ) THEN 860 htau(ji,jj) = MAX( 10._wp, MIN( 30._wp, 55._wp* ABS( SIN( rpi/120._wp * ( gphit(ji,jj) + 23._wp ) ) ) ) ) 861 ELSE 862 htau(ji,jj) = MAX( 0.5_wp, MIN( 10._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(ji,jj) ) ) ) ) 863 ENDIF 864 END DO 865 END DO 789 866 END SELECT 867 ! 868 IF( nn_etau == 4 .AND. nn_htau /= 2 ) THEN ! efr dependant on constant htau 869 DO jj = 2, jpjm1 870 DO ji = fs_2, fs_jpim1 ! vector opt. 871 efr(ji,jj) = rn_efr / ( htau(ji,jj) * ( 1._wp - EXP( -bathy(ji,jj) / htau(ji,jj) ) ) ) 872 END DO 873 END DO 874 ENDIF 790 875 ENDIF 791 876 ! !* set vertical eddy coef. to the background value
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