| 1 | MODULE usrdef_istate |
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| 2 | !!============================================================================== |
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| 3 | !! *** MODULE usrdef_istate *** |
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| 4 | !! |
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| 5 | !! === OVERFLOW configuration === |
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| 6 | !! |
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| 7 | !! User defined : set the initial state of a user configuration |
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| 8 | !!============================================================================== |
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| 9 | !! History : NEMO ! 2016-03 (S. Flavoni, G. Madec) Original code |
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| 10 | !! ! 2020-11 (S. Techene, G. Madec) separate tsuv from ssh |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! usr_def_istate : initial state in Temperature and salinity |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE par_oce ! ocean space and time domain |
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| 17 | USE dom_oce , ONLY : glamt |
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| 18 | USE phycst ! physical constants |
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| 19 | ! |
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| 20 | USE in_out_manager ! I/O manager |
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| 21 | USE lib_mpp ! MPP library |
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| 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | PUBLIC usr_def_istate ! called by istate.F90 |
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| 27 | PUBLIC usr_def_istate_ssh ! called by domqco.F90 |
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| 28 | |
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| 29 | !!---------------------------------------------------------------------- |
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| 30 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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| 31 | !! $Id$ |
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| 32 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 33 | !!---------------------------------------------------------------------- |
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| 34 | CONTAINS |
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| 35 | |
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| 36 | SUBROUTINE usr_def_istate( pdept, ptmask, pts, pu, pv ) |
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| 37 | !!---------------------------------------------------------------------- |
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| 38 | !! *** ROUTINE usr_def_istate *** |
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| 39 | !! |
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| 40 | !! ** Purpose : Initialization of the dynamics and tracers |
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| 41 | !! Here OVERFLOW configuration |
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| 42 | !! |
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| 43 | !! ** Method : - set temprature field |
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| 44 | !! - set salinity field |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: pdept ! depth of t-point [m] |
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| 47 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: ptmask ! t-point ocean mask [m] |
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| 48 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT( out) :: pts ! T & S fields [Celsius ; g/kg] |
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| 49 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pu ! i-component of the velocity [m/s] |
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| 50 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pv ! j-component of the velocity [m/s] |
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| 51 | ! |
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| 52 | INTEGER :: jk ! dummy loop indices |
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| 53 | REAL(wp) :: zdam ! location of dam [Km] |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | ! |
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| 56 | IF(lwp) WRITE(numout,*) |
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| 57 | IF(lwp) WRITE(numout,*) 'usr_def_istate : OVERFLOW configuration, analytical definition of initial state' |
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| 58 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~ Ocean at rest, with a constant salinity (not used as rho=F(T) ' |
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| 59 | IF(lwp) WRITE(numout,*) ' and a vertical density front with a 2 kg/m3 difference located at glam=20km' |
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| 60 | IF(lwp) WRITE(numout,*) ' (i.e. a temperature difference of 10 degrees with rn_a0 = 0.2' |
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| 61 | ! |
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| 62 | ! rn_a0 = 0.2 ! thermal expension coefficient (nn_eos= 1) |
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| 63 | ! rho = rho0 - rn_a0 * (T-10) |
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| 64 | ! delta_T = 10 degrees ==>> delta_rho = 10 * rn_a0 = 2 kg/m3 |
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| 65 | ! |
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| 66 | pu (:,:,:) = 0._wp ! ocean at rest |
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| 67 | pv (:,:,:) = 0._wp |
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| 68 | ! |
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| 69 | ! ! T & S profiles |
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| 70 | zdam = 20. ! density front position in kilometers |
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| 71 | pts(:,:,:,jp_tem) = 20._wp * ptmask(:,:,:) |
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| 72 | DO jk = 1, jpkm1 |
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| 73 | WHERE( glamt(:,:) <= zdam ) pts(:,:,jk,jp_tem) = 10._wp * ptmask(:,:,jk) |
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| 74 | END DO |
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| 75 | ! |
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| 76 | pts(:,:,:,jp_sal) = 35._wp * ptmask(:,:,:) |
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| 77 | ! |
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| 78 | END SUBROUTINE usr_def_istate |
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| 79 | |
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| 80 | |
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| 81 | SUBROUTINE usr_def_istate_ssh( ptmask, pssh ) |
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| 82 | !!---------------------------------------------------------------------- |
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| 83 | !! *** ROUTINE usr_def_istate_ssh *** |
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| 84 | !! |
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| 85 | !! ** Purpose : Initialization of the ssh |
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| 86 | !! Here OVERFLOW configuration |
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| 87 | !! |
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| 88 | !! ** Method : set ssh to 0 |
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| 89 | !!---------------------------------------------------------------------- |
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| 90 | REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: ptmask ! t-point ocean mask [m] |
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| 91 | REAL(wp), DIMENSION(jpi,jpj) , INTENT( out) :: pssh ! sea-surface height [m] |
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| 92 | !!---------------------------------------------------------------------- |
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| 93 | ! |
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| 94 | IF(lwp) WRITE(numout,*) |
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| 95 | IF(lwp) WRITE(numout,*) 'usr_def_istate_ssh : OVERFLOW configuration, analytical definition of initial state' |
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| 96 | ! |
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| 97 | pssh(:,:) = 0._wp |
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| 98 | ! |
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| 99 | END SUBROUTINE usr_def_istate_ssh |
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| 100 | |
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| 101 | !!====================================================================== |
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| 102 | END MODULE usrdef_istate |
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