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 tide_mod |
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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 | LOGICAL, PUBLIC :: ln_tide_pot = .false. |
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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 | |
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28 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:) :: omega_tide |
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29 | |
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30 | REAL(wp), ALLOCATABLE, DIMENSION(:) :: & |
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31 | v0tide, & |
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32 | utide, & |
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33 | ftide |
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34 | |
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35 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: amp_pot,phi_pot |
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36 | |
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37 | INTEGER, PUBLIC :: nb_harmo |
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38 | INTEGER, PUBLIC, ALLOCATABLE, DIMENSION(:) :: ntide |
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39 | INTEGER, PUBLIC :: nn_tide, kt_tide |
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40 | |
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41 | !!--------------------------------------------------------------------------------- |
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42 | !! OPA 9.0 , LODYC-IPSL (2003) |
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43 | !!--------------------------------------------------------------------------------- |
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44 | |
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45 | CONTAINS |
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46 | |
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47 | SUBROUTINE sbc_tide ( kt ) |
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48 | !!---------------------------------------------------------------------- |
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49 | !! *** ROUTINE sbc_tide *** |
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50 | !!---------------------------------------------------------------------- |
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51 | !! * Arguments |
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52 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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53 | !! * Local declarations |
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54 | INTEGER :: jk,ji |
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55 | CHARACTER(LEN=4), DIMENSION(jpmax_harmo) :: clname |
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56 | !!---------------------------------------------------------------------- |
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57 | |
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58 | NAMELIST/nam_tide/ln_tide_pot,nb_harmo,clname,nn_tide |
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59 | |
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60 | IF ( kt == nit000 ) THEN |
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61 | |
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62 | IF( .NOT. lk_dynspg_ts ) CALL ctl_stop( 'STOP', 'sbc_tide : tidal potential use only with time splitting' ) |
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63 | |
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64 | ! Read Namelist nam_tide |
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65 | |
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66 | nn_tide=INT(rday/rdt) |
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67 | |
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68 | CALL tide_init_Wave |
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69 | |
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70 | REWIND ( numnam ) |
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71 | READ ( numnam, nam_tide ) |
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72 | |
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73 | IF(lwp) THEN |
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74 | WRITE(numout,*) |
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75 | WRITE(numout,*) 'sbc_tide : Initialization of the tidal components' |
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76 | WRITE(numout,*) '~~~~~~~ ' |
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77 | ENDIF |
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78 | |
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79 | IF(lwp) THEN |
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80 | WRITE(numout,*) ' Namelist nam_tide' |
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81 | WRITE(numout,*) ' Apply astronomical potential : ln_tide_pot =', ln_tide_pot |
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82 | WRITE(numout,*) ' nb_harmo = ', nb_harmo |
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83 | CALL flush(numout) |
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84 | ENDIF |
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85 | |
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86 | ALLOCATE(ntide (nb_harmo)) |
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87 | DO jk=1,nb_harmo |
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88 | DO ji=1,jpmax_harmo |
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89 | IF (TRIM(clname(jk)) .eq. Wave(ji)%cname_tide) THEN |
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90 | ntide(jk) = ji |
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91 | EXIT |
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92 | END IF |
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93 | END DO |
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94 | END DO |
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95 | ALLOCATE(omega_tide(nb_harmo)) |
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96 | ALLOCATE(v0tide (nb_harmo)) |
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97 | ALLOCATE(utide (nb_harmo)) |
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98 | ALLOCATE(ftide (nb_harmo)) |
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99 | ALLOCATE(amp_pot(jpi,jpj,nb_harmo)) |
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100 | ALLOCATE(phi_pot(jpi,jpj,nb_harmo)) |
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101 | ALLOCATE(pot_astro(jpi,jpj)) |
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102 | ENDIF |
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103 | |
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104 | IF ( MOD( kt - 1, nn_tide ) == 0 ) THEN |
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105 | kt_tide = kt |
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106 | CALL tide_harmo(omega_tide, v0tide, utide, ftide, ntide, nb_harmo) |
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107 | ENDIF |
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108 | |
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109 | amp_pot(:,:,:) = 0.e0 |
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110 | phi_pot(:,:,:) = 0.e0 |
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111 | pot_astro(:,:) = 0.e0 |
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112 | |
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113 | IF (ln_tide_pot ) CALL tide_init_potential |
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114 | |
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115 | END SUBROUTINE sbc_tide |
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116 | |
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117 | SUBROUTINE tide_init_potential |
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118 | !!---------------------------------------------------------------------- |
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119 | !! *** ROUTINE tide_init_potential *** |
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120 | !!---------------------------------------------------------------------- |
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121 | !! * Local declarations |
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122 | INTEGER :: ji,jj,jk |
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123 | REAL(wp) :: zcons,ztmp1,ztmp2,zlat,zlon |
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124 | |
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125 | |
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126 | DO jk=1,nb_harmo |
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127 | zcons=0.7*Wave(ntide(jk))%equitide*ftide(jk) |
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128 | do ji=1,jpi |
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129 | do jj=1,jpj |
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130 | ztmp1 = amp_pot(ji,jj,jk)*COS(phi_pot(ji,jj,jk)) |
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131 | ztmp2 = -amp_pot(ji,jj,jk)*SIN(phi_pot(ji,jj,jk)) |
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132 | zlat = gphit(ji,jj)*rad !! latitude en radian |
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133 | zlon = glamt(ji,jj)*rad !! longitude en radian |
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134 | ! le potentiel est composé des effets des astres: |
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135 | IF (Wave(ntide(jk))%nutide .EQ.1) THEN |
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136 | ztmp1= ztmp1 + zcons*(SIN(2.*zlat))*COS(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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137 | ztmp2= ztmp2 - zcons*(SIN(2.*zlat))*SIN(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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138 | ENDIF |
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139 | IF (Wave(ntide(jk))%nutide.EQ.2) THEN |
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140 | ztmp1= ztmp1 + zcons*(COS(zlat)**2)*COS(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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141 | ztmp2= ztmp2 - zcons*(COS(zlat)**2)*SIN(v0tide(jk)+utide(jk)+Wave(ntide(jk))%nutide*zlon) |
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142 | ENDIF |
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143 | amp_pot(ji,jj,jk)=SQRT(ztmp1**2+ztmp2**2) |
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144 | 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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145 | enddo |
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146 | enddo |
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147 | END DO |
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148 | |
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149 | END SUBROUTINE tide_init_potential |
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150 | |
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151 | #else |
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152 | !!---------------------------------------------------------------------- |
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153 | !! Default case : Empty module |
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154 | !!---------------------------------------------------------------------- |
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155 | LOGICAL, PUBLIC, PARAMETER :: lk_tide = .FALSE. |
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156 | CONTAINS |
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157 | SUBROUTINE sbc_tide( kt ) ! Empty routine |
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158 | INTEGER , INTENT(in) :: kt ! ocean time-step |
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159 | WRITE(*,*) 'sbc_tide: You should not have seen this print! error?', kt |
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160 | END SUBROUTINE sbc_tide |
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161 | #endif |
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162 | !!====================================================================== |
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163 | |
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164 | END MODULE sbctide |
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