1 | MODULE sbctide |
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2 | !!================================================================================= |
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3 | !! *** MODULE sbctide *** |
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4 | !! Initialization of tidal forcing |
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5 | !! History : 9.0 ! 07 (O. Le Galloudec) Original code |
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6 | !!================================================================================= |
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7 | !! * Modules used |
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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 in_out_manager ! I/O units |
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11 | USE ioipsl ! NetCDF IPSL library |
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12 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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13 | USE phycst |
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14 | USE daymod |
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15 | USE dynspg_oce |
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16 | USE tideini |
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17 | USE iom |
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18 | |
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19 | IMPLICIT NONE |
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20 | PUBLIC |
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21 | |
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22 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: pot_astro |
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23 | |
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24 | #if defined key_tide |
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25 | |
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26 | LOGICAL, PUBLIC, PARAMETER :: lk_tide = .TRUE. |
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27 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: amp_pot,phi_pot |
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28 | !!--------------------------------------------------------------------------------- |
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29 | !! OPA 9.0 , LODYC-IPSL (2003) |
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30 | !!--------------------------------------------------------------------------------- |
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31 | |
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32 | CONTAINS |
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33 | |
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34 | SUBROUTINE sbc_tide ( kt ) |
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35 | !!---------------------------------------------------------------------- |
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36 | !! *** ROUTINE sbc_tide *** |
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37 | !!---------------------------------------------------------------------- |
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38 | !! * Arguments |
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39 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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40 | !!---------------------------------------------------------------------- |
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41 | |
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42 | IF ( kt == nit000 .AND. .NOT. lk_dynspg_ts ) CALL ctl_stop( 'STOP', 'sbc_tide : tidal potential use only with time splitting' ) |
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43 | |
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44 | IF ( nsec_day == NINT(0.5 * rdttra(1)) ) THEN |
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45 | ! |
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46 | kt_tide = kt |
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47 | |
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48 | IF(lwp) THEN |
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49 | WRITE(numout,*) |
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50 | WRITE(numout,*) 'sbc_tide : (re)Initialization of the tidal potential at kt=',kt |
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51 | WRITE(numout,*) '~~~~~~~ ' |
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52 | ENDIF |
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53 | |
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54 | IF(lwp) THEN |
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55 | IF ( kt == nit000 ) WRITE(numout,*) 'Apply astronomical potential : ln_tide_pot =', ln_tide_pot |
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56 | CALL flush(numout) |
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57 | ENDIF |
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58 | |
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59 | IF ( kt == nit000 ) ALLOCATE(amp_pot(jpi,jpj,nb_harmo)) |
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60 | IF ( kt == nit000 ) ALLOCATE(phi_pot(jpi,jpj,nb_harmo)) |
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61 | IF ( kt == nit000 ) ALLOCATE(pot_astro(jpi,jpj)) |
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62 | |
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63 | amp_pot(:,:,:) = 0.e0 |
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64 | phi_pot(:,:,:) = 0.e0 |
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65 | pot_astro(:,:) = 0.e0 |
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66 | |
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67 | IF ( ln_tide_pot ) CALL tide_init_potential |
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68 | ! |
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69 | ENDIF |
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70 | |
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71 | END SUBROUTINE sbc_tide |
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72 | |
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73 | SUBROUTINE tide_init_potential |
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74 | !!---------------------------------------------------------------------- |
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75 | !! *** ROUTINE tide_init_potential *** |
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76 | !!---------------------------------------------------------------------- |
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77 | !! * Local declarations |
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78 | INTEGER :: ji,jj,jk |
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79 | REAL(wp) :: zcons,ztmp1,ztmp2,zlat,zlon |
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80 | |
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81 | |
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82 | DO jk=1,nb_harmo |
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83 | zcons=0.7*Wave(ntide(jk))%equitide*ftide(jk) |
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84 | do ji=1,jpi |
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85 | do jj=1,jpj |
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86 | ztmp1 = amp_pot(ji,jj,jk)*COS(phi_pot(ji,jj,jk)) |
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87 | ztmp2 = -amp_pot(ji,jj,jk)*SIN(phi_pot(ji,jj,jk)) |
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88 | zlat = gphit(ji,jj)*rad !! latitude en radian |
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89 | zlon = glamt(ji,jj)*rad !! longitude en radian |
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90 | ! le potentiel est composé des effets des astres: |
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91 | IF (Wave(ntide(jk))%nutide .EQ.1) THEN |
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92 | ztmp1= ztmp1 + zcons*(SIN(2.*zlat))*COS(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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93 | ztmp2= ztmp2 - zcons*(SIN(2.*zlat))*SIN(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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94 | ENDIF |
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95 | IF (Wave(ntide(jk))%nutide.EQ.2) THEN |
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96 | ztmp1= ztmp1 + zcons*(COS(zlat)**2)*COS(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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97 | ztmp2= ztmp2 - zcons*(COS(zlat)**2)*SIN(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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98 | ENDIF |
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99 | amp_pot(ji,jj,jk)=SQRT(ztmp1**2+ztmp2**2) |
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100 | phi_pot(ji,jj,jk)=ATAN2(-ztmp2/MAX(1.E-10,SQRT(ztmp1**2+ztmp2**2)),ztmp1/MAX(1.E-10,SQRT(ztmp1**2+ztmp2**2))) |
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101 | enddo |
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102 | enddo |
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103 | END DO |
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104 | |
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105 | END SUBROUTINE tide_init_potential |
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106 | |
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107 | #else |
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108 | !!---------------------------------------------------------------------- |
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109 | !! Default case : Empty module |
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110 | !!---------------------------------------------------------------------- |
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111 | LOGICAL, PUBLIC, PARAMETER :: lk_tide = .FALSE. |
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112 | CONTAINS |
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113 | SUBROUTINE sbc_tide( kt ) ! Empty routine |
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114 | INTEGER , INTENT(in) :: kt ! ocean time-step |
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115 | WRITE(*,*) 'sbc_tide: You should not have seen this print! error?', kt |
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116 | END SUBROUTINE sbc_tide |
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117 | #endif |
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118 | !!====================================================================== |
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119 | |
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120 | END MODULE sbctide |
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