1 | MODULE zdfini |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE zdfini *** |
---|
4 | !! Ocean physics : read vertical mixing namelist and check consistancy |
---|
5 | !!====================================================================== |
---|
6 | !! History : 8.0 ! 1997-06 (G. Madec) Original code from inimix |
---|
7 | !! 1.0 ! 2002-08 (G. Madec) F90 : free form |
---|
8 | !! - ! 2005-06 (C. Ethe) KPP scheme |
---|
9 | !! - ! 2009-07 (G. Madec) add avmb, avtb in restart for cen2 advection |
---|
10 | !! 3.7 ! 2014-12 (G. Madec) remove KPP scheme |
---|
11 | !!---------------------------------------------------------------------- |
---|
12 | |
---|
13 | !!---------------------------------------------------------------------- |
---|
14 | !! zdf_init : initialization, namelist read, and parameters control |
---|
15 | !!---------------------------------------------------------------------- |
---|
16 | USE par_oce ! mesh and scale factors |
---|
17 | USE zdf_oce ! TKE vertical mixing |
---|
18 | USE sbc_oce ! surface module (only for nn_isf in the option compatibility test) |
---|
19 | USE zdftke ! TKE vertical mixing |
---|
20 | USE zdfgls ! GLS vertical mixing |
---|
21 | USE zdfric ! Richardson vertical mixing |
---|
22 | USE zdfddm ! double diffusion mixing |
---|
23 | USE zdfevd ! enhanced vertical diffusion |
---|
24 | USE tranpc ! convection: non penetrative adjustment |
---|
25 | USE ldfslp ! iso-neutral slopes |
---|
26 | ! |
---|
27 | USE in_out_manager ! I/O manager |
---|
28 | USE iom ! IOM library |
---|
29 | USE lib_mpp ! distribued memory computing |
---|
30 | |
---|
31 | IMPLICIT NONE |
---|
32 | PRIVATE |
---|
33 | |
---|
34 | PUBLIC zdf_init ! routine called by opa.F90 |
---|
35 | |
---|
36 | !!---------------------------------------------------------------------- |
---|
37 | !! NEMO/OPA 4.0 , NEMO Consortium (2011) |
---|
38 | !! $Id$ |
---|
39 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
40 | !!---------------------------------------------------------------------- |
---|
41 | CONTAINS |
---|
42 | |
---|
43 | SUBROUTINE zdf_init |
---|
44 | !!---------------------------------------------------------------------- |
---|
45 | !! *** ROUTINE zdf_init *** |
---|
46 | !! |
---|
47 | !! ** Purpose : initializations of the vertical ocean physics |
---|
48 | !! |
---|
49 | !! ** Method : Read namelist namzdf, control logicals |
---|
50 | !!---------------------------------------------------------------------- |
---|
51 | INTEGER :: ioptio, ios ! local integers |
---|
52 | !! |
---|
53 | NAMELIST/namzdf/ rn_avm0, rn_avt0, nn_avb, nn_havtb, ln_zdfexp, nn_zdfexp, & |
---|
54 | & ln_zdfevd, nn_evdm, rn_avevd, ln_zdfnpc, nn_npc, nn_npcp |
---|
55 | !!---------------------------------------------------------------------- |
---|
56 | |
---|
57 | REWIND( numnam_ref ) ! Namelist namzdf in reference namelist : Vertical mixing parameters |
---|
58 | READ ( numnam_ref, namzdf, IOSTAT = ios, ERR = 901) |
---|
59 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzdf in reference namelist', lwp ) |
---|
60 | |
---|
61 | REWIND( numnam_cfg ) ! Namelist namzdf in reference namelist : Vertical mixing parameters |
---|
62 | READ ( numnam_cfg, namzdf, IOSTAT = ios, ERR = 902 ) |
---|
63 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzdf in configuration namelist', lwp ) |
---|
64 | IF(lwm) WRITE ( numond, namzdf ) |
---|
65 | |
---|
66 | IF(lwp) THEN !* Parameter print |
---|
67 | WRITE(numout,*) |
---|
68 | WRITE(numout,*) 'zdf_init: vertical physics' |
---|
69 | WRITE(numout,*) '~~~~~~~~' |
---|
70 | WRITE(numout,*) ' Namelist namzdf : set vertical mixing mixing parameters' |
---|
71 | WRITE(numout,*) ' vertical eddy viscosity rn_avm0 = ', rn_avm0 |
---|
72 | WRITE(numout,*) ' vertical eddy diffusivity rn_avt0 = ', rn_avt0 |
---|
73 | WRITE(numout,*) ' constant background or profile nn_avb = ', nn_avb |
---|
74 | WRITE(numout,*) ' horizontal variation for avtb nn_havtb = ', nn_havtb |
---|
75 | WRITE(numout,*) ' time splitting / backward scheme ln_zdfexp = ', ln_zdfexp |
---|
76 | WRITE(numout,*) ' number of time step nn_zdfexp = ', nn_zdfexp |
---|
77 | WRITE(numout,*) ' enhanced vertical diffusion ln_zdfevd = ', ln_zdfevd |
---|
78 | WRITE(numout,*) ' applied on momentum (=1/0) nn_evdm = ', nn_evdm |
---|
79 | WRITE(numout,*) ' vertical coefficient for evd rn_avevd = ', rn_avevd |
---|
80 | WRITE(numout,*) ' non-penetrative convection (npc) ln_zdfnpc = ', ln_zdfnpc |
---|
81 | WRITE(numout,*) ' npc call frequency nn_npc = ', nn_npc |
---|
82 | WRITE(numout,*) ' npc print frequency nn_npcp = ', nn_npcp |
---|
83 | ENDIF |
---|
84 | |
---|
85 | ! !* Parameter & logical controls |
---|
86 | ! ! ---------------------------- |
---|
87 | ! |
---|
88 | ! ! ... check of vertical mixing scheme on tracers |
---|
89 | ! ==> will be done in trazdf module |
---|
90 | ! |
---|
91 | ! ! ... check of mixing coefficient |
---|
92 | IF(lwp) WRITE(numout,*) |
---|
93 | IF(lwp) WRITE(numout,*) ' vertical mixing option :' |
---|
94 | ioptio = 0 |
---|
95 | IF( lk_zdfcst ) THEN |
---|
96 | IF(lwp) WRITE(numout,*) ' constant eddy diffusion coefficients' |
---|
97 | ioptio = ioptio+1 |
---|
98 | ENDIF |
---|
99 | IF( lk_zdfric ) THEN |
---|
100 | IF(lwp) WRITE(numout,*) ' Richardson dependent eddy coefficients' |
---|
101 | ioptio = ioptio+1 |
---|
102 | ENDIF |
---|
103 | IF( lk_zdftke ) THEN |
---|
104 | IF(lwp) WRITE(numout,*) ' TKE dependent eddy coefficients' |
---|
105 | ioptio = ioptio+1 |
---|
106 | ENDIF |
---|
107 | IF( lk_zdfgls ) THEN |
---|
108 | IF(lwp) WRITE(numout,*) ' GLS dependent eddy coefficients' |
---|
109 | ioptio = ioptio+1 |
---|
110 | ENDIF |
---|
111 | IF( ioptio == 0 .OR. ioptio > 1 ) & |
---|
112 | & CALL ctl_stop( ' one and only one vertical diffusion option has to be defined ' ) |
---|
113 | IF( ( lk_zdfric .OR. lk_zdfgls ) .AND. ln_isfcav ) & |
---|
114 | & CALL ctl_stop( ' only zdfcst and zdftke were tested with ice shelves cavities ' ) |
---|
115 | ! |
---|
116 | ! ! ... Convection |
---|
117 | IF(lwp) WRITE(numout,*) |
---|
118 | IF(lwp) WRITE(numout,*) ' convection :' |
---|
119 | ! |
---|
120 | #if defined key_top |
---|
121 | IF( ln_zdfnpc ) CALL ctl_stop( ' zdf_init: npc scheme is not working with key_top' ) |
---|
122 | #endif |
---|
123 | ! |
---|
124 | ioptio = 0 |
---|
125 | IF( ln_zdfnpc ) THEN |
---|
126 | IF(lwp) WRITE(numout,*) ' use non penetrative convective scheme' |
---|
127 | ioptio = ioptio+1 |
---|
128 | ENDIF |
---|
129 | IF( ln_zdfevd ) THEN |
---|
130 | IF(lwp) WRITE(numout,*) ' use enhanced vertical dif. scheme' |
---|
131 | ioptio = ioptio+1 |
---|
132 | ENDIF |
---|
133 | IF( lk_zdftke ) THEN |
---|
134 | IF(lwp) WRITE(numout,*) ' use the 1.5 turbulent closure' |
---|
135 | ENDIF |
---|
136 | IF( lk_zdfgls ) THEN |
---|
137 | IF(lwp) WRITE(numout,*) ' use the GLS closure scheme' |
---|
138 | ENDIF |
---|
139 | IF ( ioptio > 1 ) CALL ctl_stop( ' chose between ln_zdfnpc and ln_zdfevd' ) |
---|
140 | IF( ioptio == 0 .AND. .NOT.( lk_zdftke .OR. lk_zdfgls ) ) & |
---|
141 | !SF CALL ctl_stop( ' except for TKE or GLS physics, a convection scheme is', & |
---|
142 | CALL ctl_warn( ' except for TKE or GLS physics, a convection scheme is', & |
---|
143 | & ' required: ln_zdfevd or ln_zdfnpc logicals' ) |
---|
144 | |
---|
145 | ! !* Background eddy viscosity and diffusivity profil |
---|
146 | IF( nn_avb == 0 ) THEN ! Define avmb, avtb from namelist parameter |
---|
147 | avmb(:) = rn_avm0 |
---|
148 | avtb(:) = rn_avt0 |
---|
149 | ELSE ! Background profile of avt (fit a theoretical/observational profile (Krauss 1990) |
---|
150 | avmb(:) = rn_avm0 |
---|
151 | avtb(:) = rn_avt0 + ( 3.e-4_wp - 2._wp * rn_avt0 ) * 1.e-4_wp * gdepw_1d(:) ! m2/s |
---|
152 | IF(ln_sco .AND. lwp) CALL ctl_warn( 'avtb profile not valid in sco' ) |
---|
153 | ENDIF |
---|
154 | ! |
---|
155 | IF( ln_rstart ) THEN ! Read avmb, avtb in restart (if exist) |
---|
156 | ! if ln_traadv_cen, avmb, avtb have been modified in traadv_cen2 module. |
---|
157 | ! To ensure the restartability, avmb & avtb are written in the restart |
---|
158 | ! file in traadv_cen2 end read here. |
---|
159 | IF( iom_varid( numror, 'avmb', ldstop = .FALSE. ) > 0 ) THEN |
---|
160 | CALL iom_get( numror, jpdom_unknown, 'avmb', avmb ) |
---|
161 | CALL iom_get( numror, jpdom_unknown, 'avtb', avtb ) |
---|
162 | ENDIF |
---|
163 | ENDIF |
---|
164 | ! ! 2D shape of the avtb |
---|
165 | avtb_2d(:,:) = 1.e0 ! uniform |
---|
166 | ! |
---|
167 | IF( nn_havtb == 1 ) THEN ! decrease avtb in the equatorial band |
---|
168 | ! -15S -5S : linear decrease from avt0 to avt0/10. |
---|
169 | ! -5S +5N : cst value avt0/10. |
---|
170 | ! 5N 15N : linear increase from avt0/10, to avt0 |
---|
171 | WHERE(-15. <= gphit .AND. gphit < -5 ) avtb_2d = (1. - 0.09 * (gphit + 15.)) |
---|
172 | WHERE( -5. <= gphit .AND. gphit < 5 ) avtb_2d = 0.1 |
---|
173 | WHERE( 5. <= gphit .AND. gphit < 15 ) avtb_2d = (0.1 + 0.09 * (gphit - 5.)) |
---|
174 | ENDIF |
---|
175 | ! |
---|
176 | END SUBROUTINE zdf_init |
---|
177 | |
---|
178 | !!====================================================================== |
---|
179 | END MODULE zdfini |
---|