[2952] | 1 | MODULE sbctide |
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[4292] | 2 | !!====================================================================== |
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| 3 | !! *** MODULE sbctide *** |
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| 4 | !! Initialization of tidal forcing |
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| 5 | !!====================================================================== |
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| 6 | !! History : 9.0 ! 2007 (O. Le Galloudec) Original code |
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| 7 | !!---------------------------------------------------------------------- |
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[6808] | 8 | USE oce ! ocean dynamics and tracers variables |
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| 9 | USE dom_oce ! ocean space and time domain |
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| 10 | USE phycst ! physical constant |
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| 11 | USE daymod ! calandar |
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| 12 | USE tideini ! |
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[4292] | 13 | ! |
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[6808] | 14 | USE in_out_manager ! I/O units |
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| 15 | USE iom ! xIOs server |
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| 16 | USE ioipsl ! NetCDF IPSL library |
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| 17 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[2952] | 18 | |
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[4292] | 19 | IMPLICIT NONE |
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| 20 | PUBLIC |
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[2952] | 21 | |
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[4292] | 22 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: pot_astro ! |
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[3651] | 23 | |
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[2952] | 24 | #if defined key_tide |
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[4292] | 25 | !!---------------------------------------------------------------------- |
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| 26 | !! 'key_tide' : tidal potential |
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| 27 | !!---------------------------------------------------------------------- |
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| 28 | !! sbc_tide : |
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| 29 | !! tide_init_potential : |
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| 30 | !!---------------------------------------------------------------------- |
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[2952] | 31 | |
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[4292] | 32 | LOGICAL, PUBLIC, PARAMETER :: lk_tide = .TRUE. |
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| 33 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: amp_pot, phi_pot |
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[2952] | 34 | |
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[4292] | 35 | !!---------------------------------------------------------------------- |
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| 36 | !! NEMO/OPA 3.5 , NEMO Consortium (2013) |
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[5215] | 37 | !! $Id$ |
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[4292] | 38 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 39 | !!---------------------------------------------------------------------- |
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[2952] | 40 | CONTAINS |
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| 41 | |
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[4292] | 42 | SUBROUTINE sbc_tide( kt ) |
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| 43 | !!---------------------------------------------------------------------- |
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| 44 | !! *** ROUTINE sbc_tide *** |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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| 47 | INTEGER :: jk ! dummy loop index |
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[6808] | 48 | INTEGER :: nsec_day_orig ! Temporary variable |
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[4292] | 49 | !!---------------------------------------------------------------------- |
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[6808] | 50 | |
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| 51 | IF( nsec_day == NINT(0.5_wp * rdt) .OR. kt == nit000 ) THEN ! start a new day |
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[4292] | 52 | ! |
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| 53 | IF( kt == nit000 ) THEN |
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| 54 | ALLOCATE( amp_pot(jpi,jpj,nb_harmo), & |
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| 55 | & phi_pot(jpi,jpj,nb_harmo), pot_astro(jpi,jpj) ) |
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| 56 | ENDIF |
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| 57 | ! |
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| 58 | amp_pot(:,:,:) = 0._wp |
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| 59 | phi_pot(:,:,:) = 0._wp |
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| 60 | pot_astro(:,:) = 0._wp |
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| 61 | ! |
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[6808] | 62 | ! If the run does not start from midnight then need to initialise tides |
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| 63 | ! at the start of the current day (only occurs when kt==nit000) |
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| 64 | ! Temporarily set nsec_day to beginning of day. |
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| 65 | nsec_day_orig = nsec_day |
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| 66 | IF ( nsec_day /= NINT(0.5_wp * rdt) ) THEN |
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| 67 | kt_tide = kt - (nsec_day - 0.5_wp * rdt)/rdt |
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| 68 | nsec_day = NINT(0.5_wp * rdt) |
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| 69 | ELSE |
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| 70 | kt_tide = kt |
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| 71 | ENDIF |
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[4292] | 72 | CALL tide_harmo( omega_tide, v0tide, utide, ftide, ntide, nb_harmo ) |
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| 73 | ! |
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| 74 | ! |
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| 75 | IF(lwp) THEN |
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| 76 | WRITE(numout,*) |
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| 77 | WRITE(numout,*) 'sbc_tide : Update of the components and (re)Init. the potential at kt=', kt |
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| 78 | WRITE(numout,*) '~~~~~~~~ ' |
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| 79 | DO jk = 1, nb_harmo |
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| 80 | WRITE(numout,*) Wave(ntide(jk))%cname_tide, utide(jk), ftide(jk), v0tide(jk), omega_tide(jk) |
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| 81 | END DO |
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| 82 | ENDIF |
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| 83 | ! |
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| 84 | IF( ln_tide_pot ) CALL tide_init_potential |
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| 85 | ! |
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[6808] | 86 | ! Reset nsec_day |
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| 87 | nsec_day = nsec_day_orig |
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[4292] | 88 | ENDIF |
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[3651] | 89 | ! |
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[4292] | 90 | END SUBROUTINE sbc_tide |
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[2952] | 91 | |
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| 92 | |
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[4292] | 93 | SUBROUTINE tide_init_potential |
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| 94 | !!---------------------------------------------------------------------- |
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| 95 | !! *** ROUTINE tide_init_potential *** |
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| 96 | !!---------------------------------------------------------------------- |
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| 97 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 98 | REAL(wp) :: zcons, ztmp1, ztmp2, zlat, zlon, ztmp, zamp, zcs ! local scalar |
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| 99 | !!---------------------------------------------------------------------- |
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[2952] | 100 | |
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[4292] | 101 | DO jk = 1, nb_harmo |
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| 102 | zcons = 0.7_wp * Wave(ntide(jk))%equitide * ftide(jk) |
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| 103 | DO ji = 1, jpi |
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| 104 | DO jj = 1, jpj |
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| 105 | ztmp1 = amp_pot(ji,jj,jk) * COS( phi_pot(ji,jj,jk) ) |
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| 106 | ztmp2 = -amp_pot(ji,jj,jk) * SIN( phi_pot(ji,jj,jk) ) |
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| 107 | zlat = gphit(ji,jj)*rad !! latitude en radian |
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| 108 | zlon = glamt(ji,jj)*rad !! longitude en radian |
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| 109 | ztmp = v0tide(jk) + utide(jk) + Wave(ntide(jk))%nutide * zlon |
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| 110 | ! le potentiel est composé des effets des astres: |
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| 111 | IF ( Wave(ntide(jk))%nutide == 1 ) THEN ; zcs = zcons * SIN( 2._wp*zlat ) |
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| 112 | ELSEIF( Wave(ntide(jk))%nutide == 2 ) THEN ; zcs = zcons * COS( zlat )**2 |
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| 113 | ELSE ; zcs = 0._wp |
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| 114 | ENDIF |
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| 115 | ztmp1 = ztmp1 + zcs * COS( ztmp ) |
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| 116 | ztmp2 = ztmp2 - zcs * SIN( ztmp ) |
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| 117 | zamp = SQRT( ztmp1*ztmp1 + ztmp2*ztmp2 ) |
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| 118 | amp_pot(ji,jj,jk) = zamp |
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| 119 | phi_pot(ji,jj,jk) = ATAN2( -ztmp2 / MAX( 1.e-10_wp , zamp ) , & |
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| 120 | & ztmp1 / MAX( 1.e-10_wp, zamp ) ) |
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| 121 | END DO |
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| 122 | END DO |
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| 123 | END DO |
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[3651] | 124 | ! |
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[4292] | 125 | END SUBROUTINE tide_init_potential |
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[2952] | 126 | |
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| 127 | #else |
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| 128 | !!---------------------------------------------------------------------- |
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| 129 | !! Default case : Empty module |
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| 130 | !!---------------------------------------------------------------------- |
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| 131 | LOGICAL, PUBLIC, PARAMETER :: lk_tide = .FALSE. |
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| 132 | CONTAINS |
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| 133 | SUBROUTINE sbc_tide( kt ) ! Empty routine |
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| 134 | INTEGER , INTENT(in) :: kt ! ocean time-step |
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| 135 | WRITE(*,*) 'sbc_tide: You should not have seen this print! error?', kt |
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| 136 | END SUBROUTINE sbc_tide |
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| 137 | #endif |
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[4292] | 138 | |
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[2952] | 139 | !!====================================================================== |
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| 140 | END MODULE sbctide |
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