1 | MODULE bdytides |
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2 | !!====================================================================== |
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3 | !! *** MODULE bdytides *** |
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4 | !! Ocean dynamics: Tidal forcing at open boundaries |
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5 | !!====================================================================== |
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6 | !! History : 2.0 ! 2007-01 (D.Storkey) Original code |
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7 | !! 2.3 ! 2008-01 (J.Holt) Add date correction. Origins POLCOMS v6.3 2007 |
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8 | !! 3.0 ! 2008-04 (NEMO team) add in the reference version |
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9 | !!---------------------------------------------------------------------- |
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10 | #if defined key_bdy |
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11 | !!---------------------------------------------------------------------- |
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12 | !! 'key_bdy' Unstructured Open Boundary Condition |
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13 | !!---------------------------------------------------------------------- |
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14 | !! PUBLIC |
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15 | !! tide_init : read of namelist |
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16 | !! tide_data : read in and initialisation of tidal constituents at boundary |
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17 | !! tide_update : calculation of tidal forcing at each timestep |
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18 | !! PRIVATE |
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19 | !! uvset :\ |
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20 | !! vday : | Routines to correct tidal harmonics forcing for |
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21 | !! shpen : | start time of integration |
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22 | !! ufset : | |
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23 | !! vset :/ |
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24 | !!---------------------------------------------------------------------- |
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25 | USE oce ! ocean dynamics and tracers |
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26 | USE dom_oce ! ocean space and time domain |
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27 | USE iom |
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28 | USE in_out_manager ! I/O units |
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29 | USE phycst ! physical constants |
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30 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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31 | USE bdy_par ! Unstructured boundary parameters |
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32 | USE bdy_oce ! ocean open boundary conditions |
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33 | |
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34 | IMPLICIT NONE |
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35 | PRIVATE |
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36 | |
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37 | PUBLIC tide_init ! routine called in bdyini |
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38 | PUBLIC tide_data ! routine called in bdyini |
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39 | PUBLIC tide_update ! routine called in bdydyn |
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40 | |
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41 | LOGICAL, PUBLIC :: ln_tide_date !: =T correct tide phases and amplitude for model start date |
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42 | |
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43 | INTEGER, PARAMETER :: jptides_max = 15 !: Max number of tidal contituents |
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44 | INTEGER :: ntide !: Actual number of tidal constituents |
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45 | |
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46 | CHARACTER(len=80), PUBLIC :: filtide !: Filename root for tidal input files |
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47 | CHARACTER(len= 4), PUBLIC, DIMENSION(jptides_max) :: tide_cpt !: Names of tidal components used. |
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48 | |
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49 | INTEGER , DIMENSION(jptides_max) :: nindx !: ??? |
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50 | REAL(wp), DIMENSION(jptides_max) :: tide_speed !: Phase speed of tidal constituent (deg/hr) |
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51 | |
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52 | REAL(wp), DIMENSION(jpbdim,jptides_max) :: ssh1, ssh2 !: Tidal constituents : SSH |
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53 | REAL(wp), DIMENSION(jpbdim,jptides_max) :: u1 , u2 !: Tidal constituents : U |
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54 | REAL(wp), DIMENSION(jpbdim,jptides_max) :: v1 , v2 !: Tidal constituents : V |
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55 | |
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56 | !!---------------------------------------------------------------------- |
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57 | !! NEMO/OPA 3.0 , LOCEAN-IPSL (2008) |
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58 | !! $Id$ |
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59 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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60 | !!---------------------------------------------------------------------- |
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61 | |
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62 | CONTAINS |
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63 | |
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64 | SUBROUTINE tide_init |
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65 | !!---------------------------------------------------------------------- |
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66 | !! *** SUBROUTINE tide_init *** |
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67 | !! |
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68 | !! ** Purpose : - Read in namelist for tides |
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69 | !! |
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70 | !!---------------------------------------------------------------------- |
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71 | INTEGER :: itide ! dummy loop index |
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72 | !! |
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73 | NAMELIST/nambdy_tide/ln_tide_date, filtide, tide_cpt, tide_speed |
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74 | !!---------------------------------------------------------------------- |
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75 | |
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76 | IF(lwp) WRITE(numout,*) |
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77 | IF(lwp) WRITE(numout,*) 'tide_init : initialization of tidal harmonic forcing at open boundaries' |
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78 | IF(lwp) WRITE(numout,*) '~~~~~~~~~' |
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79 | |
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80 | ! Namelist nambdy_tide : tidal harmonic forcing at open boundaries |
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81 | ln_tide_date = .false. |
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82 | filtide(:) = '' |
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83 | tide_speed(:) = 0.0 |
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84 | tide_cpt(:) = '' |
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85 | REWIND( numnam ) ! Read namelist parameters |
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86 | READ ( numnam, nambdy_tide ) |
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87 | ! ! Count number of components specified |
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88 | ntide = jptides_max |
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89 | itide = 1 |
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90 | DO WHILE( tide_cpt(itide) /= '' ) |
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91 | ntide = itide |
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92 | itide = itide + 1 |
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93 | END DO |
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94 | ! ! find constituents in standard list |
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95 | DO itide = 1, ntide |
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96 | nindx(itide) = 0 |
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97 | IF( TRIM( tide_cpt(itide) ) == 'Q1' ) nindx(itide) = 1 |
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98 | IF( TRIM( tide_cpt(itide) ) == 'O1' ) nindx(itide) = 2 |
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99 | IF( TRIM( tide_cpt(itide) ) == 'P1' ) nindx(itide) = 3 |
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100 | IF( TRIM( tide_cpt(itide) ) == 'S1' ) nindx(itide) = 4 |
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101 | IF( TRIM( tide_cpt(itide) ) == 'K1' ) nindx(itide) = 5 |
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102 | IF( TRIM( tide_cpt(itide) ) == '2N2' ) nindx(itide) = 6 |
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103 | IF( TRIM( tide_cpt(itide) ) == 'MU2' ) nindx(itide) = 7 |
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104 | IF( TRIM( tide_cpt(itide) ) == 'N2' ) nindx(itide) = 8 |
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105 | IF( TRIM( tide_cpt(itide) ) == 'NU2' ) nindx(itide) = 9 |
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106 | IF( TRIM( tide_cpt(itide) ) == 'M2' ) nindx(itide) = 10 |
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107 | IF( TRIM( tide_cpt(itide) ) == 'L2' ) nindx(itide) = 11 |
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108 | IF( TRIM( tide_cpt(itide) ) == 'T2' ) nindx(itide) = 12 |
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109 | IF( TRIM( tide_cpt(itide) ) == 'S2' ) nindx(itide) = 13 |
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110 | IF( TRIM( tide_cpt(itide) ) == 'K2' ) nindx(itide) = 14 |
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111 | IF( TRIM( tide_cpt(itide) ) == 'M4' ) nindx(itide) = 15 |
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112 | IF( nindx(itide) == 0 .AND. lwp ) THEN |
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113 | WRITE(ctmp1,*) 'constitunent', itide,':', tide_cpt(itide), 'not in standard list' |
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114 | CALL ctl_warn( ctmp1 ) |
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115 | ENDIF |
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116 | END DO |
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117 | ! ! Parameter control and print |
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118 | IF( ntide < 1 ) THEN |
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119 | CALL ctl_stop( ' Did not find any tidal components in namelist nambdy_tide' ) |
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120 | ELSE |
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121 | IF(lwp) WRITE(numout,*) ' Namelist nambdy_tide : tidal harmonic forcing at open boundaries' |
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122 | IF(lwp) WRITE(numout,*) ' tidal components specified ', ntide |
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123 | IF(lwp) WRITE(numout,*) ' ', tide_cpt(1:ntide) |
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124 | IF(lwp) WRITE(numout,*) ' associated phase speeds (deg/hr) : ' |
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125 | IF(lwp) WRITE(numout,*) ' ', tide_speed(1:ntide) |
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126 | ENDIF |
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127 | |
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128 | ! Initialisation of tidal harmonics arrays |
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129 | sshtide(:) = 0.e0 |
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130 | utide (:) = 0.e0 |
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131 | vtide (:) = 0.e0 |
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132 | ! |
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133 | END SUBROUTINE tide_init |
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134 | |
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135 | |
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136 | SUBROUTINE tide_data |
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137 | !!---------------------------------------------------------------------- |
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138 | !! *** SUBROUTINE tide_data *** |
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139 | !! |
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140 | !! ** Purpose : - Read in tidal harmonics data and adjust for the start |
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141 | !! time of the model run. |
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142 | !! |
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143 | !!---------------------------------------------------------------------- |
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144 | INTEGER :: itide, igrd, ib ! dummy loop indices |
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145 | CHARACTER(len=80) :: clfile ! full file name for tidal input file |
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146 | INTEGER :: ipi, ipj, inum, idvar ! temporary integers (netcdf read) |
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147 | INTEGER, DIMENSION(3) :: lendta=0 ! length of data in the file (note may be different from nblendta!) |
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148 | REAL(wp) :: z_arg, z_atde, z_btde, z1t, z2t |
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149 | REAL(wp), DIMENSION(jpbdta,1) :: zdta ! temporary array for data fields |
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150 | REAL(wp), DIMENSION(jptides_max) :: z_vplu, z_ftc |
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151 | !!------------------------------------------------------------------------------ |
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152 | |
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153 | ! Open files and read in tidal forcing data |
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154 | ! ----------------------------------------- |
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155 | |
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156 | ipj = 1 |
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157 | |
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158 | DO itide = 1, ntide |
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159 | ! ! SSH fields |
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160 | clfile = TRIM(filtide)//TRIM(tide_cpt(itide))//'_grid_T.nc' |
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161 | IF(lwp) WRITE(numout,*) 'Reading data from file ', clfile |
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162 | CALL iom_open( clfile, inum ) |
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163 | igrd = 1 |
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164 | IF( nblendta(igrd) <= 0 ) THEN |
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165 | idvar = iom_varid( inum,'z1' ) |
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166 | IF(lwp) WRITE(numout,*) 'iom_file(1)%ndims(idvar) : ',iom_file%ndims(idvar) |
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167 | nblendta(igrd) = iom_file(inum)%dimsz(1,idvar) |
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168 | WRITE(numout,*) 'Dim size for z1 is ', nblendta(igrd) |
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169 | ENDIF |
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170 | ipi = nblendta(igrd) |
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171 | CALL iom_get( inum, jpdom_unknown, 'z1', zdta(1:ipi,1:ipj) ) |
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172 | DO ib = 1, nblenrim(igrd) |
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173 | ssh1(ib,itide) = zdta(nbmap(ib,igrd),1) |
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174 | END DO |
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175 | CALL iom_get( inum, jpdom_unknown, 'z2', zdta(1:ipi,1:ipj) ) |
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176 | DO ib = 1, nblenrim(igrd) |
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177 | ssh2(ib,itide) = zdta(nbmap(ib,igrd),1) |
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178 | END DO |
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179 | CALL iom_close( inum ) |
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180 | ! |
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181 | ! ! U fields |
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182 | clfile = TRIM(filtide)//TRIM(tide_cpt(itide))//'_grid_U.nc' |
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183 | IF(lwp) WRITE(numout,*) 'Reading data from file ', clfile |
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184 | CALL iom_open( clfile, inum ) |
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185 | igrd = 2 |
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186 | IF( lendta(igrd) <= 0 ) THEN |
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187 | idvar = iom_varid( inum,'u1' ) |
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188 | lendta(igrd) = iom_file(inum)%dimsz(1,idvar) |
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189 | WRITE(numout,*) 'Dim size for u1 is ',lendta(igrd) |
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190 | ENDIF |
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191 | ipi = lendta(igrd) |
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192 | CALL iom_get( inum, jpdom_unknown, 'u1', zdta(1:ipi,1:ipj) ) |
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193 | DO ib = 1, nblenrim(igrd) |
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194 | u1(ib,itide) = zdta(nbmap(ib,igrd),1) |
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195 | END DO |
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196 | CALL iom_get( inum, jpdom_unknown, 'u2', zdta(1:ipi,1:ipj) ) |
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197 | DO ib = 1, nblenrim(igrd) |
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198 | u2(ib,itide) = zdta(nbmap(ib,igrd),1) |
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199 | END DO |
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200 | CALL iom_close( inum ) |
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201 | ! |
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202 | ! ! V fields |
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203 | clfile = TRIM(filtide)//TRIM(tide_cpt(itide))//'_grid_V.nc' |
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204 | if(lwp) write(numout,*) 'Reading data from file ', clfile |
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205 | CALL iom_open( clfile, inum ) |
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206 | igrd = 3 |
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207 | IF( lendta(igrd) <= 0 ) THEN |
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208 | idvar = iom_varid( inum,'v1' ) |
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209 | lendta(igrd) = iom_file(inum)%dimsz(1,idvar) |
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210 | WRITE(numout,*) 'Dim size for v1 is ', lendta(igrd) |
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211 | ENDIF |
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212 | ipi = lendta(igrd) |
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213 | CALL iom_get( inum, jpdom_unknown, 'v1', zdta(1:ipi,1:ipj) ) |
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214 | DO ib = 1, nblenrim(igrd) |
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215 | v1(ib,itide) = zdta(nbmap(ib,igrd),1) |
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216 | END DO |
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217 | CALL iom_get( inum, jpdom_unknown, 'v2', zdta(1:ipi,1:ipj) ) |
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218 | DO ib=1, nblenrim(igrd) |
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219 | v2(ib,itide) = zdta(nbmap(ib,igrd),1) |
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220 | END DO |
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221 | CALL iom_close( inum ) |
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222 | ! |
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223 | END DO ! end loop on tidal components |
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224 | |
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225 | IF( ln_tide_date ) THEN ! correct for date factors |
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226 | |
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227 | !! used nmonth, nyear and nday from daymod.... |
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228 | ! Calculate date corrects for 15 standard consituents |
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229 | ! This is the initialisation step, so nday, nmonth, nyear are the |
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230 | ! initial date/time of the integration. |
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231 | print *, nday,nmonth,nyear |
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232 | nyear = int(ndate0 / 10000 ) ! initial year |
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233 | nmonth = int((ndate0 - nyear * 10000 ) / 100 ) ! initial month |
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234 | nday = int(ndate0 - nyear * 10000 - nmonth * 100) |
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235 | |
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236 | CALL uvset( 0, nday, nmonth, nyear, z_ftc, z_vplu ) |
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237 | |
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238 | IF(lwp) WRITE(numout,*) 'Correcting tide for date:', nday, nmonth, nyear |
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239 | |
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240 | DO itide = 1, ntide ! loop on tidal components |
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241 | ! |
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242 | IF( nindx(itide) /= 0 ) THEN |
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243 | !!gm use rpi and rad global variable |
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244 | z_arg = 3.14159265d0 * z_vplu(nindx(itide)) / 180.0d0 |
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245 | z_atde=z_ftc(nindx(itide))*cos(z_arg) |
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246 | z_btde=z_ftc(nindx(itide))*sin(z_arg) |
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247 | IF(lwp) WRITE(numout,'(2i5,8f10.6)') itide, nindx(itide), tide_speed(itide), & |
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248 | & z_ftc(nindx(itide)), z_vplu(nindx(itide)) |
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249 | ELSE |
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250 | z_atde = 1.0_wp |
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251 | z_btde = 0.0_wp |
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252 | ENDIF |
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253 | ! ! elevation |
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254 | igrd = 1 |
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255 | DO ib = 1, nblenrim(igrd) |
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256 | z1t = z_atde * ssh1(ib,itide) + z_btde * ssh2(ib,itide) |
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257 | z2t = z_atde * ssh2(ib,itide) - z_btde * ssh1(ib,itide) |
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258 | ssh1(ib,itide) = z1t |
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259 | ssh2(ib,itide) = z2t |
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260 | END DO |
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261 | ! ! u |
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262 | igrd = 2 |
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263 | DO ib = 1, nblenrim(igrd) |
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264 | z1t = z_atde * u1(ib,itide) + z_btde * u2(ib,itide) |
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265 | z2t = z_atde * u2(ib,itide) - z_btde * u1(ib,itide) |
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266 | u1(ib,itide) = z1t |
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267 | u2(ib,itide) = z2t |
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268 | END DO |
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269 | ! ! v |
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270 | igrd = 3 |
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271 | DO ib = 1, nblenrim(igrd) |
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272 | z1t = z_atde * v1(ib,itide) + z_btde * v2(ib,itide) |
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273 | z2t = z_atde * v2(ib,itide) - z_btde * v1(ib,itide) |
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274 | v1(ib,itide) = z1t |
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275 | v2(ib,itide) = z2t |
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276 | END DO |
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277 | ! |
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278 | END DO ! end loop on tidal components |
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279 | ! |
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280 | ENDIF ! date correction |
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281 | ! |
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282 | END SUBROUTINE tide_data |
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283 | |
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284 | |
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285 | SUBROUTINE tide_update ( kt, jit ) |
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286 | !!---------------------------------------------------------------------- |
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287 | !! *** SUBROUTINE tide_update *** |
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288 | !! |
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289 | !! ** Purpose : - Add tidal forcing to sshbdy, ubtbdy and vbtbdy arrays. |
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290 | !! |
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291 | !!---------------------------------------------------------------------- |
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292 | INTEGER, INTENT( in ) :: kt ! Main timestep counter |
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293 | !!gm doctor jit ==> kit |
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294 | INTEGER, INTENT( in ) :: jit ! Barotropic timestep counter (for timesplitting option) |
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295 | !! |
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296 | INTEGER :: itide, igrd, ib ! dummy loop indices |
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297 | REAL(wp) :: z_arg, z_sarg ! |
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298 | REAL(wp), DIMENSION(jptides_max) :: z_sist, z_cost |
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299 | !!---------------------------------------------------------------------- |
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300 | |
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301 | ! Note tide phase speeds are in deg/hour, so we need to convert the |
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302 | ! elapsed time in seconds to hours by dividing by 3600.0 |
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303 | IF( jit == 0 ) THEN |
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304 | z_arg = kt * rdt * rad / 3600.0 |
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305 | ELSE ! we are in a barotropic subcycle (for timesplitting option) |
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306 | ! z_arg = ( (kt-1) * rdt + jit * rdt / REAL(nn_baro,lwp) ) * rad / 3600.0 |
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307 | z_arg = ( (kt-1) * rdt + jit * rdt / REAL(nn_baro,wp) ) * rad / 3600.0 |
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308 | ENDIF |
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309 | |
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310 | DO itide = 1, ntide |
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311 | z_sarg = z_arg * tide_speed(itide) |
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312 | z_cost(itide) = COS( z_sarg ) |
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313 | z_sist(itide) = SIN( z_sarg ) |
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314 | END DO |
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315 | |
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316 | ! summing of tidal constituents into BDY arrays |
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317 | sshtide(:) = 0.0 |
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318 | utide (:) = 0.0 |
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319 | vtide (:) = 0.0 |
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320 | ! |
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321 | DO itide = 1, ntide |
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322 | igrd=1 ! SSH on tracer grid. |
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323 | DO ib = 1, nblenrim(igrd) |
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324 | sshtide(ib) =sshtide(ib)+ ssh1(ib,itide)*z_cost(itide) + ssh2(ib,itide)*z_sist(itide) |
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325 | ! if(lwp) write(numout,*) 'z',ib,itide,sshtide(ib), ssh1(ib,itide),ssh2(ib,itide) |
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326 | END DO |
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327 | igrd=2 ! U grid |
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328 | DO ib=1, nblenrim(igrd) |
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329 | utide(ib) = utide(ib)+ u1(ib,itide)*z_cost(itide) + u2(ib,itide)*z_sist(itide) |
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330 | ! if(lwp) write(numout,*) 'u',ib,itide,utide(ib), u1(ib,itide),u2(ib,itide) |
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331 | END DO |
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332 | igrd=3 ! V grid |
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333 | DO ib=1, nblenrim(igrd) |
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334 | vtide(ib) = vtide(ib)+ v1(ib,itide)*z_cost(itide) + v2(ib,itide)*z_sist(itide) |
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335 | ! if(lwp) write(numout,*) 'v',ib,itide,vtide(ib), v1(ib,itide),v2(ib,itide) |
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336 | END DO |
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337 | END DO |
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338 | ! |
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339 | END SUBROUTINE tide_update |
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340 | |
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341 | !!gm doctor naming of dummy argument variables!!! and all local variables |
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342 | |
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343 | SUBROUTINE uvset( ihs, iday, imnth, iyr, f, z_vplu ) |
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344 | !!---------------------------------------------------------------------- |
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345 | !! *** SUBROUTINE uvset *** |
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346 | !! |
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347 | !! ** Purpose : - adjust tidal forcing for date factors |
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348 | !! |
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349 | !!---------------------------------------------------------------------- |
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350 | implicit none |
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351 | INTEGER, INTENT( in ) :: ihs ! Start time hours |
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352 | INTEGER, INTENT( in ) :: iday ! start time days |
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353 | INTEGER, INTENT( in ) :: imnth ! start time month |
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354 | INTEGER, INTENT( in ) :: iyr ! start time year |
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355 | !! |
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356 | !!gm nc is jptides_max ???? |
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357 | INTEGER , PARAMETER :: nc =15 ! maximum number of constituents |
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358 | CHARACTER(len=8), DIMENSION(nc) :: cname |
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359 | INTEGER :: year, vd, ivdy, ndc, i, k |
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360 | REAL(wp) :: ss, h, p, en, p1, rtd |
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361 | REAL(wp), DIMENSION(nc) :: f ! nodal correction |
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362 | REAL(wp), DIMENSION(nc) :: z_vplu ! phase correction |
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363 | REAL(wp), DIMENSION(nc) :: u, v, zig |
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364 | !! |
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365 | DATA cname/ 'q1' , 'o1' , 'p1' , 's1' , 'k1' , & |
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366 | & '2n2' , 'mu2' , 'n2' , 'nu2' , 'm2' , & |
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367 | & 'l2' , 't2' , 's2' , 'k2' , 'm4' / |
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368 | DATA zig/ .2338507481, .2433518789, .2610826055, .2617993878, .2625161701, & |
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369 | & .4868657873, .4881373225, .4963669182, .4976384533, .5058680490, & |
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370 | & .5153691799, .5228820265, .5235987756, .5250323419, 1.011736098 / |
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371 | !!---------------------------------------------------------------------- |
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372 | ! |
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373 | ! ihs - start time gmt on ... |
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374 | ! iday/imnth/iyr - date e.g. 12/10/87 |
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375 | ! |
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376 | CALL vday(iday,imnth,iyr,ivdy) |
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377 | vd = ivdy |
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378 | ! |
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379 | !rp note change of year number for d. blackman shpen |
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380 | !rp if(iyr.ge.1000) year=iyr-1900 |
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381 | !rp if(iyr.lt.1000) year=iyr |
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382 | year = iyr |
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383 | ! |
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384 | !.....year = year of required data |
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385 | !.....vd = day of required data..set up for 0000gmt day year |
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386 | ndc = nc |
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387 | !.....ndc = number of constituents allowed |
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388 | !!gm use rpi ? |
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389 | rtd = 360.0 / 6.2831852 |
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390 | DO i = 1, ndc |
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391 | zig(i) = zig(i)*rtd |
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392 | ! sigo(i)= zig(i) |
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393 | END DO |
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394 | |
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395 | !!gm try to avoid RETURN in F90 |
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396 | IF( year == 0 ) RETURN |
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397 | |
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398 | CALL shpen( year, vd, ss, h , p , en, p1 ) |
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399 | CALL ufset( p , en, u , f ) |
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400 | CALL vset ( ss , h , p , en, p1, v ) |
---|
401 | ! |
---|
402 | DO k = 1, nc |
---|
403 | z_vplu(k) = v(k) + u(k) |
---|
404 | z_vplu(k) = z_vplu(k) + dble(ihs) * zig(k) |
---|
405 | DO WHILE( z_vplu(k) < 0 ) |
---|
406 | z_vplu(k) = z_vplu(k) + 360.0 |
---|
407 | END DO |
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408 | DO WHILE( z_vplu(k) > 360. ) |
---|
409 | z_vplu(k) = z_vplu(k) - 360.0 |
---|
410 | END DO |
---|
411 | END DO |
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412 | ! |
---|
413 | END SUBROUTINE uvset |
---|
414 | |
---|
415 | |
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416 | SUBROUTINE vday( iday, imnth, iy, ivdy ) |
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417 | !!---------------------------------------------------------------------- |
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418 | !! *** SUBROUTINE vday *** |
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419 | !! |
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420 | !! ** Purpose : - adjust tidal forcing for date factors |
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421 | !! |
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422 | !!---------------------------------------------------------------------- |
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423 | INTEGER, INTENT(in ) :: iday, imnth, iy ! ???? |
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424 | INTEGER, INTENT( out) :: ivdy ! ??? |
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425 | !! |
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426 | INTEGER :: iyr |
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427 | !!------------------------------------------------------------------------------ |
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428 | |
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429 | !!gm nday_year in day mode is the variable compiuted here, no? |
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430 | !!gm nday_year , & !: curent day counted from jan 1st of the current year |
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431 | |
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432 | !calculate day number in year from day/month/year |
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433 | if(imnth.eq.1) ivdy=iday |
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434 | if(imnth.eq.2) ivdy=iday+31 |
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435 | if(imnth.eq.3) ivdy=iday+59 |
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436 | if(imnth.eq.4) ivdy=iday+90 |
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437 | if(imnth.eq.5) ivdy=iday+120 |
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438 | if(imnth.eq.6) ivdy=iday+151 |
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439 | if(imnth.eq.7) ivdy=iday+181 |
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440 | if(imnth.eq.8) ivdy=iday+212 |
---|
441 | if(imnth.eq.9) ivdy=iday+243 |
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442 | if(imnth.eq.10) ivdy=iday+273 |
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443 | if(imnth.eq.11) ivdy=iday+304 |
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444 | if(imnth.eq.12) ivdy=iday+334 |
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445 | iyr=iy |
---|
446 | if(mod(iyr,4).eq.0.and.imnth.gt.2) ivdy=ivdy+1 |
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447 | if(mod(iyr,100).eq.0.and.imnth.gt.2) ivdy=ivdy-1 |
---|
448 | if(mod(iyr,400).eq.0.and.imnth.gt.2) ivdy=ivdy+1 |
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449 | ! |
---|
450 | END SUBROUTINE vday |
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451 | |
---|
452 | !!doctor norme for dummy arguments |
---|
453 | |
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454 | SUBROUTINE shpen( year, vd, s, h, p, en, p1 ) |
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455 | !!---------------------------------------------------------------------- |
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456 | !! *** SUBROUTINE shpen *** |
---|
457 | !! |
---|
458 | !! ** Purpose : - calculate astronomical arguments for tides |
---|
459 | !! this version from d. blackman 30 nove 1990 |
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460 | !! |
---|
461 | !!---------------------------------------------------------------------- |
---|
462 | !!gm add INTENT in, out or inout.... DOCTOR name.... |
---|
463 | !!gm please do not use variable name with a single letter: impossible to search in a code |
---|
464 | INTEGER :: year,vd |
---|
465 | REAL(wp) :: s,h,p,en,p1 |
---|
466 | !! |
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467 | INTEGER :: yr,ilc,icent,it,iday,ild,ipos,nn,iyd |
---|
468 | REAL(wp) :: cycle,t,td,delt(84),delta,deltat |
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469 | !! |
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470 | DATA delt /-5.04, -3.90, -2.87, -0.58, 0.71, 1.80, & |
---|
471 | & 3.08, 4.63, 5.86, 7.21, 8.58, 10.50, 12.10, & |
---|
472 | & 12.49, 14.41, 15.59, 15.81, 17.52, 19.01, 18.39, & |
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473 | & 19.55, 20.36, 21.01, 21.81, 21.76, 22.35, 22.68, & |
---|
474 | & 22.94, 22.93, 22.69, 22.94, 23.20, 23.31, 23.63, & |
---|
475 | & 23.47, 23.68, 23.62, 23.53, 23.59, 23.99, 23.80, & |
---|
476 | & 24.20, 24.99, 24.97, 25.72, 26.21, 26.37, 26.89, & |
---|
477 | & 27.68, 28.13, 28.94, 29.42, 29.66, 30.29, 30.96, & |
---|
478 | & 31.09, 31.59, 31.52, 31.92, 32.45, 32.91, 33.39, & |
---|
479 | & 33.80, 34.23, 34.73, 35.40, 36.14, 36.99, 37.87, & |
---|
480 | & 38.75, 39.70, 40.70, 41.68, 42.82, 43.96, 45.00, & |
---|
481 | & 45.98, 47.00, 48.03, 49.10, 50.10, 50.97, 51.81, & |
---|
482 | & 52.57 / |
---|
483 | !!---------------------------------------------------------------------- |
---|
484 | |
---|
485 | cycle = 360.0 |
---|
486 | ilc = 0 |
---|
487 | icent = year / 100 |
---|
488 | yr = year - icent * 100 |
---|
489 | t = icent - 20 |
---|
490 | ! |
---|
491 | ! for the following equations |
---|
492 | ! time origin is fixed at 00 hr of jan 1st,2000. |
---|
493 | ! see notes by cartwright |
---|
494 | ! |
---|
495 | !!gm old coding style, use CASE instead and avoid GOTO (obsolescence in fortran 90) |
---|
496 | !!gm obsol( 1): Arithmetic IF statement is used ===> remove this in Fortran 90 |
---|
497 | it = icent - 20 |
---|
498 | if (it) 1,2,2 |
---|
499 | 1 iday = it/4 -it |
---|
500 | go to 3 |
---|
501 | 2 iday = (it+3)/4 - it |
---|
502 | ! |
---|
503 | ! t is in julian century |
---|
504 | ! correction in gegorian calander where only century year divisible |
---|
505 | ! by 4 is leap year. |
---|
506 | ! |
---|
507 | 3 continue |
---|
508 | ! |
---|
509 | td = 0.0 |
---|
510 | ! |
---|
511 | !!gm obsol( 1): Arithmetic IF statement is used ===> remove this in Fortran 90 |
---|
512 | if (yr) 4,5,4 |
---|
513 | ! |
---|
514 | 4 iyd = 365*yr |
---|
515 | ild = (yr-1)/4 |
---|
516 | if((icent - (icent/4)*4) .eq. 0) ilc = 1 |
---|
517 | td = iyd + ild + ilc |
---|
518 | ! |
---|
519 | 5 td = td + iday + vd -1.0 - 0.5 |
---|
520 | t = t + (td/36525.0) |
---|
521 | ! |
---|
522 | ipos=year-1899 |
---|
523 | if (ipos .lt. 0) go to 7 |
---|
524 | if (ipos .gt. 83) go to 6 |
---|
525 | ! |
---|
526 | delta = (delt(ipos+1)+delt(ipos))/2.0 |
---|
527 | go to 7 |
---|
528 | ! |
---|
529 | 6 delta= (65.0-50.5)/20.0*(year-1980)+50.5 |
---|
530 | ! |
---|
531 | 7 deltat = delta * 1.0e-6 |
---|
532 | ! |
---|
533 | !!gm precision of the computation : example for s it should be replace by: |
---|
534 | !!gm s = 218.3165 + (481267.8813 - 0.0016*t)*t + 152.0*deltat ==> more precise modify the last digits results |
---|
535 | s = 218.3165 + 481267.8813*t - 0.0016*t*t + 152.0*deltat |
---|
536 | h = 280.4661 + 36000.7698 *t + 0.0003*t*t + 11.0*deltat |
---|
537 | p = 83.3535 + 4069.0139 *t - 0.0103*t*t + deltat |
---|
538 | en = 234.9555 + 1934.1363 *t - 0.0021*t*t + deltat |
---|
539 | p1 = 282.9384 + 1.7195 *t + 0.0005*t*t |
---|
540 | ! |
---|
541 | nn = s / cycle |
---|
542 | s = s - nn * cycle |
---|
543 | IF( s < 0.e0 ) s = s + cycle |
---|
544 | ! |
---|
545 | nn = h / cycle |
---|
546 | h = h - cycle * nn |
---|
547 | IF( h < 0.e0 ) h = h + cycle |
---|
548 | ! |
---|
549 | nn = p / cycle |
---|
550 | p = p - cycle * nn |
---|
551 | IF( p < 0.e0) p = p + cycle |
---|
552 | ! |
---|
553 | nn = en / cycle |
---|
554 | en = en - cycle * nn |
---|
555 | IF( en < 0.e0 ) en = en + cycle |
---|
556 | en = cycle - en |
---|
557 | ! |
---|
558 | nn = p1 / cycle |
---|
559 | p1 = p1 - nn * cycle |
---|
560 | ! |
---|
561 | END SUBROUTINE shpen |
---|
562 | |
---|
563 | |
---|
564 | SUBROUTINE ufset( p, cn, b, a ) |
---|
565 | !!---------------------------------------------------------------------- |
---|
566 | !! *** SUBROUTINE ufset *** |
---|
567 | !! |
---|
568 | !! ** Purpose : - calculate nodal parameters for the tides |
---|
569 | !! |
---|
570 | !!---------------------------------------------------------------------- |
---|
571 | !!gm doctor naming of dummy argument variables!!! and all local variables |
---|
572 | !!gm nc is jptides_max ???? |
---|
573 | integer nc |
---|
574 | parameter (nc=15) |
---|
575 | REAL(wp) p,cn |
---|
576 | !! |
---|
577 | |
---|
578 | !!gm rad is already a public variable defined in phycst.F90 .... ==> doctor norme local real start with "z" |
---|
579 | REAL(wp) :: w1, w2, w3, w4, w5, w6, w7, w8, nw, pw, rad |
---|
580 | REAL(wp) :: a(nc), b(nc) |
---|
581 | INTEGER :: ndc, k |
---|
582 | !!---------------------------------------------------------------------- |
---|
583 | |
---|
584 | ndc = nc |
---|
585 | |
---|
586 | ! a=f , b =u |
---|
587 | ! t is zero as compared to tifa. |
---|
588 | !! use rad defined in phycst (i.e. add a USE phycst at the begining of the module |
---|
589 | rad = 6.2831852d0/360.0 |
---|
590 | pw = p * rad |
---|
591 | nw = cn * rad |
---|
592 | w1 = cos( nw ) |
---|
593 | w2 = cos( 2*nw ) |
---|
594 | w3 = cos( 3*nw ) |
---|
595 | w4 = sin( nw ) |
---|
596 | w5 = sin( 2*nw ) |
---|
597 | w6 = sin( 3*nw ) |
---|
598 | w7 = 1. - 0.2505 * COS( 2*pw ) - 0.1102 * COS(2*pw-nw ) & |
---|
599 | & - 0.156 * COS( 2*pw-2*nw ) - 0.037 * COS( nw ) |
---|
600 | w8 = - 0.2505 * SIN( 2*pw ) - 0.1102 * SIN(2*pw-nw ) & |
---|
601 | & - 0.0156 * SIN( 2*pw-2*nw ) - 0.037 * SIN( nw ) |
---|
602 | ! |
---|
603 | a(1) = 1.0089 + 0.1871 * w1 - 0.0147 * w2 + 0.0014 * w3 |
---|
604 | b(1) = 0.1885 * w4 - 0.0234 * w5 + 0.0033 * w6 |
---|
605 | ! q1 |
---|
606 | a(2) = a(1) |
---|
607 | b(2) = b(1) |
---|
608 | ! o1 |
---|
609 | a(3) = 1.0 |
---|
610 | b(3) = 0.0 |
---|
611 | ! p1 |
---|
612 | a(4) = 1.0 |
---|
613 | b(4) = 0.0 |
---|
614 | ! s1 |
---|
615 | a(5) = 1.0060+0.1150*w1- 0.0088*w2 +0.0006*w3 |
---|
616 | b(5) = -0.1546*w4 + 0.0119*w5 -0.0012*w6 |
---|
617 | ! k1 |
---|
618 | a(6) =1.0004 -0.0373*w1+ 0.0002*w2 |
---|
619 | b(6) = -0.0374*w4 |
---|
620 | ! 2n2 |
---|
621 | a(7) = a(6) |
---|
622 | b(7) = b(6) |
---|
623 | ! mu2 |
---|
624 | a(8) = a(6) |
---|
625 | b(8) = b(6) |
---|
626 | ! n2 |
---|
627 | a(9) = a(6) |
---|
628 | b(9) = b(6) |
---|
629 | ! nu2 |
---|
630 | a(10) = a(6) |
---|
631 | b(10) = b(6) |
---|
632 | ! m2 |
---|
633 | a(11) = SQRT( w7 * w7 + w8 * w8 ) |
---|
634 | b(11) = ATAN( w8 / w7 ) |
---|
635 | !!gmuse rpi instead of 3.141992 ??? true pi is rpi=3.141592653589793_wp ..... ???? |
---|
636 | IF( w7 < 0.e0 ) b(11) = b(11) + 3.141992 |
---|
637 | ! l2 |
---|
638 | a(12) = 1.0 |
---|
639 | b(12) = 0.0 |
---|
640 | ! t2 |
---|
641 | a(13)= a(12) |
---|
642 | b(13)= b(12) |
---|
643 | ! s2 |
---|
644 | a(14) = 1.0241+0.2863*w1+0.0083*w2 -0.0015*w3 |
---|
645 | b(14) = -0.3096*w4 + 0.0119*w5 - 0.0007*w6 |
---|
646 | ! k2 |
---|
647 | a(15) = a(6)*a(6) |
---|
648 | b(15) = 2*b(6) |
---|
649 | ! m4 |
---|
650 | !!gm old coding, remove GOTO and label of lines |
---|
651 | !!gm obsol( 1): Arithmetic IF statement is used ===> remove this in Fortran 90 |
---|
652 | DO 40 k = 1,ndc |
---|
653 | b(k) = b(k)/rad |
---|
654 | 32 if (b(k)) 34,35,35 |
---|
655 | 34 b(k) = b(k) + 360.0 |
---|
656 | go to 32 |
---|
657 | 35 if (b(k)-360.0) 40,37,37 |
---|
658 | 37 b(k) = b(k)-360.0 |
---|
659 | go to 35 |
---|
660 | 40 continue |
---|
661 | ! |
---|
662 | END SUBROUTINE ufset |
---|
663 | |
---|
664 | |
---|
665 | SUBROUTINE vset( s,h,p,en,p1,v) |
---|
666 | !!---------------------------------------------------------------------- |
---|
667 | !! *** SUBROUTINE vset *** |
---|
668 | !! |
---|
669 | !! ** Purpose : - calculate tidal phases for 0000gmt on start day of run |
---|
670 | !! |
---|
671 | !!---------------------------------------------------------------------- |
---|
672 | !!gm doctor naming of dummy argument variables!!! and all local variables |
---|
673 | !!gm nc is jptides_max ???? |
---|
674 | !!gm en argument is not used: suppress it ? |
---|
675 | integer nc |
---|
676 | parameter (nc=15) |
---|
677 | real(wp) s,h,p,en,p1 |
---|
678 | real(wp) v(nc) |
---|
679 | !! |
---|
680 | integer ndc, k |
---|
681 | !!---------------------------------------------------------------------- |
---|
682 | |
---|
683 | ndc = nc |
---|
684 | ! v s are computed here. |
---|
685 | v(1) =-3*s +h +p +270 ! Q1 |
---|
686 | v(2) =-2*s +h +270.0 ! O1 |
---|
687 | v(3) =-h +270 ! P1 |
---|
688 | v(4) =180 ! S1 |
---|
689 | v(5) =h +90.0 ! K1 |
---|
690 | v(6) =-4*s +2*h +2*p ! 2N2 |
---|
691 | v(7) =-4*(s-h) ! MU2 |
---|
692 | v(8) =-3*s +2*h +p ! N2 |
---|
693 | v(9) =-3*s +4*h -p ! MU2 |
---|
694 | v(10) =-2*s +2*h ! M2 |
---|
695 | v(11) =-s +2*h -p +180 ! L2 |
---|
696 | v(12) =-h +p1 ! T2 |
---|
697 | v(13) =0 ! S2 |
---|
698 | v(14) =h+h ! K2 |
---|
699 | v(15) =2*v(10) ! M4 |
---|
700 | ! |
---|
701 | !!gm old coding, remove GOTO and label of lines |
---|
702 | !!gm obsol( 1): Arithmetic IF statement is used ===> remove this in Fortran 90 |
---|
703 | do 72 k = 1, ndc |
---|
704 | 69 if( v(k) ) 70,71,71 |
---|
705 | 70 v(k) = v(k)+360.0 |
---|
706 | go to 69 |
---|
707 | 71 if( v(k) - 360.0 ) 72,73,73 |
---|
708 | 73 v(k) = v(k)-360.0 |
---|
709 | go to 71 |
---|
710 | 72 continue |
---|
711 | ! |
---|
712 | END SUBROUTINE vset |
---|
713 | |
---|
714 | #else |
---|
715 | !!---------------------------------------------------------------------- |
---|
716 | !! Dummy module NO Unstruct Open Boundary Conditions for tides |
---|
717 | !!---------------------------------------------------------------------- |
---|
718 | !!gm are you sure we need to define filtide and tide_cpt ? |
---|
719 | CHARACTER(len=80), PUBLIC :: filtide !: Filename root for tidal input files |
---|
720 | CHARACTER(len=4 ), PUBLIC, DIMENSION(1) :: tide_cpt !: Names of tidal components used. |
---|
721 | |
---|
722 | CONTAINS |
---|
723 | SUBROUTINE tide_init ! Empty routine |
---|
724 | END SUBROUTINE tide_init |
---|
725 | SUBROUTINE tide_data ! Empty routine |
---|
726 | END SUBROUTINE tide_data |
---|
727 | SUBROUTINE tide_update( kt, kit ) ! Empty routine |
---|
728 | WRITE(*,*) 'tide_update: You should not have seen this print! error?', kt, kit |
---|
729 | END SUBROUTINE tide_update |
---|
730 | #endif |
---|
731 | |
---|
732 | !!====================================================================== |
---|
733 | END MODULE bdytides |
---|