1 | MODULE usrdef_istate |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE usrdef_istate *** |
---|
4 | !! |
---|
5 | !! === COMODO-IW configuration === |
---|
6 | !! |
---|
7 | !! User defined : set the initial state of a user configuration |
---|
8 | !!====================================================================== |
---|
9 | !! History : 4.0 ! 2018-09 (J. Chanut) Original code |
---|
10 | !!---------------------------------------------------------------------- |
---|
11 | |
---|
12 | !!---------------------------------------------------------------------- |
---|
13 | !! usr_def_istate : initial state in Temperature and salinity |
---|
14 | !!---------------------------------------------------------------------- |
---|
15 | USE par_oce ! ocean space and time domain |
---|
16 | USE phycst ! physical constants |
---|
17 | USE eosbn2, ONLY : rn_a0 |
---|
18 | ! |
---|
19 | USE in_out_manager ! I/O manager |
---|
20 | USE lib_mpp ! MPP library |
---|
21 | |
---|
22 | IMPLICIT NONE |
---|
23 | PRIVATE |
---|
24 | |
---|
25 | PUBLIC usr_def_istate ! called in istate.F90 |
---|
26 | |
---|
27 | !!---------------------------------------------------------------------- |
---|
28 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
---|
29 | !! $Id:$ |
---|
30 | !! Software governed by the CeCILL licence (./LICENSE) |
---|
31 | !!---------------------------------------------------------------------- |
---|
32 | CONTAINS |
---|
33 | |
---|
34 | SUBROUTINE usr_def_istate( pdept, ptmask, pts, pu, pv, pssh ) |
---|
35 | !!---------------------------------------------------------------------- |
---|
36 | !! *** ROUTINE usr_def_istate *** |
---|
37 | !! |
---|
38 | !! ** Purpose : Initialization of the dynamics and tracers |
---|
39 | !! for "COMODO internal waves" setup |
---|
40 | !! |
---|
41 | !! ** Method : - set temprature field |
---|
42 | !! - set salinity field |
---|
43 | !!---------------------------------------------------------------------- |
---|
44 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: pdept ! depth of t-point [m] |
---|
45 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: ptmask ! t-point ocean mask [m] |
---|
46 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT( out) :: pts ! T & S fields [Celsius ; g/kg] |
---|
47 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pu ! i-component of the velocity [m/s] |
---|
48 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pv ! j-component of the velocity [m/s] |
---|
49 | REAL(wp), DIMENSION(jpi,jpj) , INTENT( out) :: pssh ! sea-surface height |
---|
50 | ! |
---|
51 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
52 | INTEGER :: kcase |
---|
53 | REAL(wp):: znn ! Stratification |
---|
54 | !!---------------------------------------------------------------------- |
---|
55 | ! |
---|
56 | IF(lwp) WRITE(numout,*) |
---|
57 | IF(lwp) WRITE(numout,*) 'usr_def_istate : analytical definition of initial state ' |
---|
58 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~ Ocean at rest, with an horizontally uniform T and S profiles' |
---|
59 | ! |
---|
60 | pu (:,:,:) = 0._wp ! ocean at rest |
---|
61 | pv (:,:,:) = 0._wp |
---|
62 | pssh(:,:) = 0._wp |
---|
63 | ! |
---|
64 | znn = 0.002_wp ! N [s-1] |
---|
65 | kcase = 1 |
---|
66 | ! |
---|
67 | SELECT CASE ( kcase ) |
---|
68 | ! |
---|
69 | CASE( 1 ) |
---|
70 | DO jk = 1, jpk ! Linearly stratified |
---|
71 | DO jj = 1, jpj |
---|
72 | DO ji = 1, jpi |
---|
73 | pts(ji,jj,jk,jp_tem) = (10._wp - (1026.2_wp-rau0) / rn_a0 & |
---|
74 | & -(znn**2) * rau0 /grav / rn_a0 & |
---|
75 | & * (pdept(ji,jj,jk)-50._wp) & |
---|
76 | & ) * ptmask(ji,jj,jk) |
---|
77 | pts(ji,jj,jk,jp_sal) = 35._wp * ptmask(ji,jj,jk) |
---|
78 | END DO |
---|
79 | END DO |
---|
80 | END DO |
---|
81 | ! |
---|
82 | CASE( 2 ) |
---|
83 | DO jk=1, jpkm1 ! Interfacial waves: |
---|
84 | DO jj=1,jpj ! Set a two layer system with |
---|
85 | DO ji=1,jpi ! a density jump = 1.2 kg/m3 at z=50m |
---|
86 | IF ( 0.5_wp*(pdept(ji,jj,jk)+pdept(ji,jj,jk+1))<= 50._wp ) THEN |
---|
87 | pts(ji,jj,jk,jp_tem) = (10._wp - (1025.8_wp-rau0) / rn_a0 ) * ptmask(ji,jj,jk) |
---|
88 | ELSE |
---|
89 | pts(ji,jj,jk,jp_tem) = (10._wp - (1027.0_wp-rau0) / rn_a0 ) * ptmask(ji,jj,jk) |
---|
90 | ENDIF |
---|
91 | pts(ji,jj,jk,jp_sal) = 35._wp * ptmask(ji,jj,jk) |
---|
92 | END DO |
---|
93 | END DO |
---|
94 | END DO |
---|
95 | ! |
---|
96 | CASE( 3 ) |
---|
97 | DO jk=1, jpkm1 ! Interfacial waves: |
---|
98 | DO jj=1,jpj ! stratification + mixed layer and thermocline |
---|
99 | DO ji=1,jpi |
---|
100 | IF (pdept(ji,jj,jk)< 50._wp) THEN |
---|
101 | pts(ji,jj,jk,jp_tem) = (10._wp - (1025.0_wp-rau0) / rn_a0 ) * ptmask(ji,jj,jk) |
---|
102 | ELSEIF ((pdept(ji,jj,jk)>= 50._wp).AND.(pdept(ji,jj,jk)< 60._wp)) THEN |
---|
103 | pts(ji,jj,jk,jp_tem) = (10._wp - (1026.2_wp-rau0) / rn_a0 & |
---|
104 | & -(znn**2) * rau0 /grav / rn_a0 & |
---|
105 | & * (pdept(ji,jj,jk)-50._wp) & |
---|
106 | & -1.2_wp * (pdept(ji,jj,jk)-60._wp) / 10._wp / rn_a0 & |
---|
107 | & ) * ptmask(ji,jj,jk) |
---|
108 | ELSEIF (pdept(ji,jj,jk)>= 60._wp) THEN |
---|
109 | pts(ji,jj,jk,jp_tem) = (10._wp - (1026.2_wp-rau0) / rn_a0 & |
---|
110 | & -(znn**2) * rau0 /grav / rn_a0 & |
---|
111 | & * (pdept(ji,jj,jk)-50._wp) & |
---|
112 | & ) * ptmask(ji,jj,jk) |
---|
113 | ENDIF |
---|
114 | pts(ji,jj,jk,jp_sal) = 35._wp * ptmask(ji,jj,jk) |
---|
115 | END DO |
---|
116 | END DO |
---|
117 | END DO |
---|
118 | ! |
---|
119 | END SELECT |
---|
120 | ! |
---|
121 | END SUBROUTINE usr_def_istate |
---|
122 | |
---|
123 | !!====================================================================== |
---|
124 | END MODULE usrdef_istate |
---|