[14597] | 1 | MODULE usrdef_istate |
---|
| 2 | !!============================================================================== |
---|
| 3 | !! *** MODULE usrdef_istate *** |
---|
| 4 | !! |
---|
| 5 | !! === SEICHE configuration === |
---|
| 6 | !! |
---|
| 7 | !! User defined : set the initial state of a user configuration |
---|
| 8 | !!============================================================================== |
---|
| 9 | !! History : NEMO ! 2016-03 (S. Flavoni, G. Madec) Original code |
---|
| 10 | !! ! 2020-11 (S. Techene, G. Madec) separate tsuv from ssh |
---|
| 11 | !! ! 2021-01 (J. Chanut) SEICHE case |
---|
| 12 | !!---------------------------------------------------------------------- |
---|
| 13 | |
---|
| 14 | !!---------------------------------------------------------------------- |
---|
| 15 | !! usr_def_istate : initial state in Temperature and salinity |
---|
| 16 | !!---------------------------------------------------------------------- |
---|
| 17 | USE par_oce ! ocean space and time domain |
---|
| 18 | USE phycst ! physical constants |
---|
| 19 | USE dom_oce, ONLY: glamt, e1t, r1_e1t ! longitude in km |
---|
| 20 | USE eosbn2, ONLY : rn_a0 ! thermal expansion |
---|
| 21 | USE usrdef_nam ! User defined : namelist variables |
---|
| 22 | ! |
---|
| 23 | USE in_out_manager ! I/O manager |
---|
| 24 | USE lib_mpp ! MPP library |
---|
| 25 | |
---|
| 26 | IMPLICIT NONE |
---|
| 27 | PRIVATE |
---|
| 28 | |
---|
| 29 | PUBLIC usr_def_istate ! called by istate.F90 |
---|
| 30 | PUBLIC usr_def_istate_ssh ! called by domqco.F90 |
---|
| 31 | |
---|
| 32 | !!---------------------------------------------------------------------- |
---|
| 33 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
---|
| 34 | !! $Id: usrdef_istate.F90 14053 2020-12-03 13:48:38Z techene $ |
---|
| 35 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
| 36 | !!---------------------------------------------------------------------- |
---|
| 37 | |
---|
| 38 | CONTAINS |
---|
| 39 | |
---|
| 40 | SUBROUTINE usr_def_istate( pdept, ptmask, pts, pu, pv ) |
---|
| 41 | !!---------------------------------------------------------------------- |
---|
| 42 | !! *** ROUTINE usr_def_istate *** |
---|
| 43 | !! |
---|
| 44 | !! ** Purpose : Initialization of the dynamics and tracers |
---|
| 45 | !! Here SEICHE configuration |
---|
| 46 | !! |
---|
| 47 | !! ** Method : - set temprature field |
---|
| 48 | !! - set salinity field |
---|
| 49 | !!---------------------------------------------------------------------- |
---|
| 50 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: pdept ! depth of t-point [m] |
---|
| 51 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: ptmask ! t-point ocean mask [m] |
---|
| 52 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT( out) :: pts ! T & S fields [Celsius ; g/kg] |
---|
| 53 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pu ! i-component of the velocity [m/s] |
---|
| 54 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pv ! j-component of the velocity [m/s] |
---|
| 55 | ! |
---|
| 56 | INTEGER :: jk |
---|
| 57 | REAL(wp) :: zn2, zdinc |
---|
| 58 | REAL(wp), DIMENSION(jpi,jpj) :: zi |
---|
| 59 | !!---------------------------------------------------------------------- |
---|
| 60 | ! |
---|
| 61 | IF(lwp) WRITE(numout,*) |
---|
| 62 | IF(lwp) WRITE(numout,*) 'usr_def_istate : SEICHE configuration, analytical definition of initial state' |
---|
| 63 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~ Ocean at rest, with a constant salinity (not used as rho=F(T) ' |
---|
| 64 | IF(lwp) WRITE(numout,*) ' and a linear temperature stratification (N=1.4e-3 s-1)' |
---|
| 65 | ! |
---|
| 66 | ! |
---|
| 67 | pu (:,:,:) = 0._wp ! ocean at rest |
---|
| 68 | pv (:,:,:) = 0._wp |
---|
| 69 | ! |
---|
| 70 | ! ! T & S profiles |
---|
| 71 | zn2 = rn_nn**2 ! N2: brunt vaisala squared |
---|
| 72 | ! |
---|
| 73 | zdinc = rn_dinc |
---|
| 74 | ! trick to recover exact convergence whatever the vertical discretization is |
---|
| 75 | ! (that's a density jaobian issue) |
---|
| 76 | ! zdinc = rn_dinc*REAL(nn_lev,wp)/REAL(nn_lev-1,wp) |
---|
| 77 | ! |
---|
| 78 | IF ( nn_test==0 ) THEN |
---|
| 79 | pts(:,:,:,jp_tem) = 10._wp |
---|
| 80 | ELSEIF ( nn_test==1 ) THEN |
---|
| 81 | zi(:,:) = 0.5_wp * rn_H + rn_a * SIN(rpi * glamt(:,:) / rn_L ) |
---|
| 82 | DO jk=1, jpkm1 |
---|
| 83 | WHERE (pdept (:,:,jk) < zi(:,:)) |
---|
| 84 | pts(:,:,jk,jp_tem) = (10._wp + 0.5_wp*zdinc / rn_a0 ) * ptmask(:,:,jk) |
---|
| 85 | ELSEWHERE |
---|
| 86 | pts(:,:,jk,jp_tem) = (10._wp - 0.5_wp*zdinc / rn_a0 ) * ptmask(:,:,jk) |
---|
| 87 | ENDWHERE |
---|
| 88 | END DO |
---|
| 89 | pts(:,:,jpk,jp_tem) = 0._wp |
---|
| 90 | ELSEIF ( nn_test==2 ) THEN |
---|
| 91 | pts(:,:,:,jp_tem) = (10._wp - zn2 * pdept(:,:,:) * rho0 / grav / rn_a0 ) * ptmask(:,:,:) |
---|
| 92 | ENDIF |
---|
| 93 | ! |
---|
| 94 | pts(:,:,:,jp_sal) = 35._wp * ptmask(:,:,:) |
---|
| 95 | ! |
---|
| 96 | END SUBROUTINE usr_def_istate |
---|
| 97 | |
---|
| 98 | |
---|
| 99 | SUBROUTINE usr_def_istate_ssh( ptmask, pssh ) |
---|
| 100 | !!---------------------------------------------------------------------- |
---|
| 101 | !! *** ROUTINE usr_def_istate_ssh *** |
---|
| 102 | !! |
---|
| 103 | !! ** Purpose : Initialization of the ssh |
---|
| 104 | !! Here SEICHE configuration |
---|
| 105 | !! |
---|
| 106 | !! ** Method : set ssh to 0 |
---|
| 107 | !!---------------------------------------------------------------------- |
---|
| 108 | ! |
---|
| 109 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: ptmask ! t-point ocean mask [m] |
---|
| 110 | REAL(wp), DIMENSION(jpi,jpj) , INTENT( out) :: pssh ! sea-surface height [m] |
---|
| 111 | ! |
---|
| 112 | !!---------------------------------------------------------------------- |
---|
| 113 | ! |
---|
| 114 | IF(lwp) WRITE(numout,*) |
---|
| 115 | IF(lwp) WRITE(numout,*) 'usr_def_istate_ssh : SEICHE configuration, analytical definition of initial state.' |
---|
| 116 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~~~~~~~' |
---|
| 117 | ! |
---|
| 118 | IF ( nn_test==2 ) THEN |
---|
| 119 | ! Free surface seiche but slightly different initialization in Marsaleix case: |
---|
| 120 | pssh(:,:) = rn_a * glamt(:,:) / ( 0.5 * rn_L ) * ptmask(:,:,1) |
---|
| 121 | ! pssh(:,:) = rn_a * SIN(rpi * glamt(:,:) / rn_L ) * ptmask(:,:,1) |
---|
| 122 | ELSEIF ( nn_test==1 ) THEN |
---|
| 123 | ! 2 layer seiche: |
---|
| 124 | pssh(:,:) = 0.5_wp*rn_dinc*r1_rho0*rn_a * SIN(rpi * glamt(:,:) / rn_L ) * ptmask(:,:,1) |
---|
| 125 | |
---|
| 126 | ELSEIF ( nn_test==0 ) THEN |
---|
| 127 | ! External seiche: |
---|
| 128 | pssh(:,:) = rn_a * SIN(rpi * glamt(:,:) / rn_L ) * ptmask(:,:,1) |
---|
| 129 | ! pssh(:,:) = 2._wp * rn_a * rn_L / rpi * 1.e3 * r1_e1t(:,:) * SIN(rpi * glamt(:,:) / rn_L ) & |
---|
| 130 | ! & * SIN(0.5_wp * rpi * e1t(:,:) / 1.e3 / rn_L ) * ptmask(:,:,1) |
---|
| 131 | ENDIF |
---|
| 132 | ! |
---|
| 133 | END SUBROUTINE usr_def_istate_ssh |
---|
| 134 | |
---|
| 135 | !!====================================================================== |
---|
| 136 | END MODULE usrdef_istate |
---|