- Timestamp:
- 2020-11-27T17:26:33+01:00 (4 years ago)
- Location:
- NEMO/branches/2020/tickets_icb_1900
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
NEMO/branches/2020/tickets_icb_1900
- Property svn:externals
-
NEMO/branches/2020/tickets_icb_1900/src/ICE/icethd_sal.F90
r12489 r13899 55 55 !! -> nn_icesal = 3 -> Sice = S(z) [multiyear ice] 56 56 !!--------------------------------------------------------------------- 57 LOGICAL, INTENT(in) :: ld_sal 57 LOGICAL, INTENT(in) :: ld_sal ! gravity drainage and flushing or not 58 58 ! 59 INTEGER :: ji, jk ! dummy loop indices 60 REAL(wp) :: iflush, igravdr ! local scalars 61 REAL(wp) :: zs_sni, zs_i_gd, zs_i_fl, zs_i_si, zs_i_bg ! local scalars 59 INTEGER :: ji ! dummy loop indices 60 REAL(wp) :: zs_sni, zds ! local scalars 62 61 REAL(wp) :: z1_time_gd, z1_time_fl 63 62 !!--------------------------------------------------------------------- … … 68 67 CASE( 2 ) ! time varying salinity with linear profile ! 69 68 ! !---------------------------------------------! 70 z1_time_gd = 1._wp / rn_time_gd * rDt_ice71 z1_time_fl = 1._wp / rn_time_fl * rDt_ice69 z1_time_gd = rDt_ice / rn_time_gd 70 z1_time_fl = rDt_ice / rn_time_fl 72 71 ! 73 72 DO ji = 1, npti 74 73 ! 75 !---------------------------------------------------------76 ! Update ice salinity from snow-ice and bottom growth77 !---------------------------------------------------------78 74 IF( h_i_1d(ji) > 0._wp ) THEN 79 zs_sni = sss_1d(ji) * ( rhoi - rhos ) * r1_rhoi ! Salinity of snow ice 80 zs_i_si = ( zs_sni - s_i_1d(ji) ) * dh_snowice(ji) / h_i_1d(ji) ! snow-ice 81 zs_i_bg = ( s_i_new(ji) - s_i_1d(ji) ) * dh_i_bog (ji) / h_i_1d(ji) ! bottom growth 82 ! Update salinity (nb: salt flux already included in icethd_dh) 83 s_i_1d(ji) = s_i_1d(ji) + zs_i_bg + zs_i_si 75 ! 76 ! --- Update ice salinity from snow-ice and bottom growth --- ! 77 zs_sni = sss_1d(ji) * ( rhoi - rhos ) * r1_rhoi ! salinity of snow ice 78 zds = ( zs_sni - s_i_1d(ji) ) * dh_snowice(ji) / h_i_1d(ji) ! snow-ice 79 zds = zds + ( s_i_new(ji) - s_i_1d(ji) ) * dh_i_bog (ji) / h_i_1d(ji) ! bottom growth 80 ! update salinity (nb: salt flux already included in icethd_dh) 81 s_i_1d(ji) = s_i_1d(ji) + zds 82 ! 83 ! --- Update ice salinity from brine drainage and flushing --- ! 84 IF( ld_sal ) THEN 85 IF( t_su_1d(ji) >= rt0 ) THEN ! flushing (summer time) 86 zds = - MAX( s_i_1d(ji) - rn_sal_fl , 0._wp ) * z1_time_fl 87 ELSEIF( t_su_1d(ji) <= t_bo_1d(ji) ) THEN ! gravity drainage 88 zds = - MAX( s_i_1d(ji) - rn_sal_gd , 0._wp ) * z1_time_gd 89 ELSE 90 zds = 0._wp 91 ENDIF 92 ! update salinity 93 s_i_1d(ji) = s_i_1d(ji) + zds 94 ! salt flux 95 sfx_bri_1d(ji) = sfx_bri_1d(ji) - rhoi * a_i_1d(ji) * h_i_1d(ji) * zds * r1_Dt_ice 96 ENDIF 97 ! 98 ! --- salinity must stay inbounds --- ! 99 zds = MAX( 0._wp, rn_simin - s_i_1d(ji) ) ! > 0 if s_i < simin 100 zds = zds + MIN( 0._wp, rn_simax - s_i_1d(ji) ) ! < 0 if s_i > simax 101 ! update salinity 102 s_i_1d(ji) = s_i_1d(ji) + zds 103 ! salt flux 104 sfx_res_1d(ji) = sfx_res_1d(ji) - rhoi * a_i_1d(ji) * h_i_1d(ji) * zds * r1_Dt_ice 105 ! 84 106 ENDIF 85 107 ! 86 IF( ld_sal ) THEN87 !---------------------------------------------------------88 ! Update ice salinity from brine drainage and flushing89 !---------------------------------------------------------90 iflush = MAX( 0._wp , SIGN( 1._wp , t_su_1d(ji) - rt0 ) ) ! =1 if summer91 igravdr = MAX( 0._wp , SIGN( 1._wp , t_bo_1d(ji) - t_su_1d(ji) ) ) ! =1 if t_su < t_bo92 93 zs_i_gd = - igravdr * MAX( s_i_1d(ji) - rn_sal_gd , 0._wp ) * z1_time_gd ! gravity drainage94 zs_i_fl = - iflush * MAX( s_i_1d(ji) - rn_sal_fl , 0._wp ) * z1_time_fl ! flushing95 96 ! Update salinity97 s_i_1d(ji) = s_i_1d(ji) + zs_i_fl + zs_i_gd98 99 ! Salt flux100 sfx_bri_1d(ji) = sfx_bri_1d(ji) - rhoi * a_i_1d(ji) * h_i_1d(ji) * ( zs_i_fl + zs_i_gd ) * r1_Dt_ice101 ENDIF102 108 END DO 103 109 !
Note: See TracChangeset
for help on using the changeset viewer.