1 | SUBROUTINE read_taondbc( cdfilename, inpfile, kunit, ldwp, ldgrid ) |
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2 | !!--------------------------------------------------------------------- |
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3 | !! |
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4 | !! ** ROUTINE read_enactfile ** |
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5 | !! |
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6 | !! ** Purpose : Read from file the TAO data fro NDBC. |
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7 | !! |
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8 | !! ** Method : The data file is a NetCDF file. |
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9 | !! |
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10 | !! ** Action : |
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11 | !! |
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12 | !! ** Reference : http://tao.noaa.gov/tao/data_deliv/deliv_ndbc.shtml |
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13 | !! History : |
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14 | !! ! 09-01 (K. Mogensen) Original version. |
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15 | !!---------------------------------------------------------------------- |
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16 | !! * Arguments |
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17 | CHARACTER(LEN=*) :: cdfilename ! Input filename |
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18 | TYPE(obfbdata) :: inpfile ! Output obfbdata structure |
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19 | INTEGER :: kunit ! Unit for output |
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20 | LOGICAL :: ldwp ! Print info |
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21 | LOGICAL :: ldgrid ! Save grid info in data structure |
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22 | !! * Local declarations |
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23 | INTEGER :: iobs ! Number of observations |
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24 | INTEGER :: ilev ! Number of levels |
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25 | INTEGER :: ilat ! Number of latitudes |
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26 | INTEGER :: ilon ! Number of longtudes |
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27 | INTEGER :: itim ! Number of obs. times |
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28 | INTEGER :: i_file_id |
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29 | INTEGER :: i_dimid_id |
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30 | INTEGER :: i_phi_id |
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31 | INTEGER :: i_lam_id |
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32 | INTEGER :: i_depth_id |
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33 | INTEGER :: i_var_id |
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34 | INTEGER :: i_time_id |
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35 | INTEGER :: i_time2_id |
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36 | INTEGER :: i_qc_var_id |
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37 | CHARACTER(LEN=40) :: cl_fld_lam |
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38 | CHARACTER(LEN=40) :: cl_fld_phi |
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39 | CHARACTER(LEN=40) :: cl_fld_depth |
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40 | CHARACTER(LEN=40) :: cl_fld_var_u |
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41 | CHARACTER(LEN=40) :: cl_fld_var_v |
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42 | CHARACTER(LEN=40) :: cl_fld_var_qc_uv1 |
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43 | CHARACTER(LEN=40) :: cl_fld_var_qc_uv2 |
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44 | CHARACTER(LEN=40) :: cl_fld_time |
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45 | CHARACTER(LEN=40) :: cl_fld_time2 |
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46 | INTEGER :: ja |
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47 | INTEGER :: jo |
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48 | INTEGER :: jk |
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49 | INTEGER :: jt |
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50 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: & |
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51 | & zv, & |
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52 | & zu, & |
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53 | & zuv1qc, & |
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54 | & zuv2qc |
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55 | REAL(wp), ALLOCATABLE, DIMENSION(:) :: & |
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56 | & zdep, & |
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57 | & zlat, & |
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58 | & zlon, & |
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59 | & zjuld |
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60 | REAL(wp) :: zl |
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61 | INTEGER, ALLOCATABLE, DIMENSION(:) :: & |
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62 | & itime, & |
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63 | & itime2 |
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64 | CHARACTER(LEN=50) :: cdjulref |
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65 | CHARACTER(LEN=12), PARAMETER :: cl_name = 'read_taondbc' |
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66 | CHARACTER(len=1) :: cns, cew |
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67 | |
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68 | !----------------------------------------------------------------------- |
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69 | ! Initialization |
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70 | !----------------------------------------------------------------------- |
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71 | cl_fld_lam = 'lon' |
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72 | cl_fld_phi = 'lat' |
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73 | cl_fld_depth = 'depth' |
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74 | cl_fld_time = 'time' |
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75 | cl_fld_time2 = 'time2' |
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76 | |
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77 | !----------------------------------------------------------------------- |
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78 | ! Open file |
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79 | !----------------------------------------------------------------------- |
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80 | |
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81 | CALL chkerr( nf90_open( TRIM( cdfilename ), nf90_nowrite, & |
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82 | & i_file_id ), cl_name, __LINE__ ) |
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83 | |
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84 | !----------------------------------------------------------------------- |
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85 | ! Read the heading of the file |
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86 | !----------------------------------------------------------------------- |
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87 | IF(ldwp) WRITE(kunit,*) |
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88 | IF(ldwp) WRITE(kunit,*) ' read_taondbc :' |
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89 | IF(ldwp) WRITE(kunit,*) ' ~~~~~~~~~~~~' |
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90 | |
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91 | !--------------------------------------------------------------------- |
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92 | ! Read the number of observations and of levels to allocate array |
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93 | !--------------------------------------------------------------------- |
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94 | CALL chkerr( nf90_inq_dimid ( i_file_id, 'time', i_dimid_id ), & |
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95 | & cl_name, __LINE__ ) |
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96 | CALL chkerr( nf90_inquire_dimension( i_file_id, i_dimid_id, len = itim ), & |
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97 | & cl_name, __LINE__ ) |
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98 | CALL chkerr( nf90_inq_dimid ( i_file_id, 'depth', i_dimid_id ), & |
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99 | & cl_name, __LINE__ ) |
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100 | CALL chkerr( nf90_inquire_dimension( i_file_id, i_dimid_id, len = ilev ), & |
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101 | & cl_name, __LINE__ ) |
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102 | CALL chkerr( nf90_inq_dimid ( i_file_id, 'lat', i_dimid_id ), & |
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103 | & cl_name, __LINE__ ) |
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104 | CALL chkerr( nf90_inquire_dimension( i_file_id, i_dimid_id, len = ilat ), & |
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105 | & cl_name, __LINE__ ) |
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106 | CALL chkerr( nf90_inq_dimid ( i_file_id, 'lon', i_dimid_id ), & |
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107 | & cl_name, __LINE__ ) |
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108 | CALL chkerr( nf90_inquire_dimension( i_file_id, i_dimid_id, len = ilon ), & |
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109 | & cl_name, __LINE__ ) |
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110 | |
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111 | iobs = itim * ilat * ilon |
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112 | IF(ldwp)WRITE(kunit,*) ' No. of data records = ', iobs |
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113 | IF(ldwp)WRITE(kunit,*) ' No. of levels = ', ilev |
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114 | IF(ldwp)WRITE(kunit,*) |
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115 | |
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116 | !--------------------------------------------------------------------- |
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117 | ! Allocate arrays |
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118 | !--------------------------------------------------------------------- |
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119 | |
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120 | CALL init_obfbdata( inpfile ) |
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121 | CALL alloc_obfbdata( inpfile, 2, iobs, ilev, 0, 0, ldgrid ) |
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122 | inpfile%cname(1) = 'UVEL' |
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123 | inpfile%cname(2) = 'VVEL' |
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124 | inpfile%coblong(1) = 'Zonal current' |
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125 | inpfile%coblong(2) = 'Meridional current' |
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126 | inpfile%cobunit(1) = 'Meters per second' |
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127 | inpfile%cobunit(2) = 'Meters per second' |
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128 | |
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129 | ALLOCATE( & |
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130 | & zu(ilon,ilat,ilev,itim), & |
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131 | & zv(ilon,ilat,ilev,itim), & |
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132 | & zdep(ilev), & |
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133 | & zuv1qc(ilon,ilat,ilev,itim), & |
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134 | & zuv2qc(ilon,ilat,ilev,itim), & |
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135 | & itime(itim), & |
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136 | & itime2(itim), & |
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137 | & zlat(ilat), & |
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138 | & zlon(ilon), & |
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139 | & zjuld(itim) & |
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140 | & ) |
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141 | |
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142 | !--------------------------------------------------------------------- |
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143 | ! Read the time/position variables |
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144 | !--------------------------------------------------------------------- |
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145 | |
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146 | CALL chkerr( nf90_inq_varid( i_file_id, cl_fld_time, i_time_id ), & |
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147 | & cl_name, __LINE__ ) |
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148 | CALL chkerr( nf90_get_var ( i_file_id, i_time_id, itime ), & |
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149 | & cl_name, __LINE__ ) |
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150 | |
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151 | CALL chkerr( nf90_inq_varid( i_file_id, cl_fld_time2, i_time2_id ), & |
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152 | & cl_name, __LINE__ ) |
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153 | CALL chkerr( nf90_get_var ( i_file_id, i_time2_id, itime2 ), & |
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154 | & cl_name, __LINE__ ) |
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155 | |
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156 | CALL chkerr( nf90_inq_varid( i_file_id, cl_fld_depth, i_depth_id ), & |
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157 | & cl_name, __LINE__ ) |
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158 | CALL chkerr( nf90_get_var ( i_file_id, i_depth_id, zdep ), & |
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159 | & cl_name, __LINE__ ) |
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160 | |
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161 | CALL chkerr( nf90_inq_varid( i_file_id, cl_fld_phi, i_phi_id ), & |
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162 | & cl_name, __LINE__ ) |
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163 | CALL chkerr( nf90_get_var ( i_file_id, i_phi_id, zlat ), & |
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164 | & cl_name, __LINE__ ) |
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165 | |
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166 | CALL chkerr( nf90_inq_varid( i_file_id, cl_fld_lam, i_lam_id ), & |
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167 | & cl_name, __LINE__ ) |
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168 | CALL chkerr( nf90_get_var ( i_file_id, i_lam_id, zlon ), & |
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169 | & cl_name, __LINE__ ) |
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170 | |
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171 | !--------------------------------------------------------------------- |
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172 | ! Read the variables |
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173 | !--------------------------------------------------------------------- |
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174 | |
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175 | ! ADCP format assumed |
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176 | cl_fld_var_u = 'u_1205' |
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177 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_u, i_var_id ) /= nf90_noerr ) THEN |
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178 | ! Try again with current meter format |
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179 | cl_fld_var_u = 'U_320' |
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180 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_u, i_var_id ) /= nf90_noerr ) THEN |
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181 | CALL fatal_error( 'Unknown format in read_taondbc', __LINE__ ) |
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182 | ENDIF |
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183 | ENDIF |
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184 | CALL chkerr( nf90_get_var ( i_file_id, i_var_id, zu ), & |
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185 | & cl_name, __LINE__ ) |
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186 | |
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187 | ! ADCP format assumed |
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188 | cl_fld_var_v = 'v_1206' |
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189 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_v, i_var_id ) /= nf90_noerr ) THEN |
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190 | ! Try again with current meter format |
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191 | cl_fld_var_v = 'V_321' |
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192 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_v, i_var_id ) /= nf90_noerr ) THEN |
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193 | CALL fatal_error( 'Unknown format in read_taondbc', __LINE__ ) |
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194 | ENDIF |
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195 | ENDIF |
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196 | CALL chkerr( nf90_get_var ( i_file_id, i_var_id, zv ), & |
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197 | & cl_name, __LINE__ ) |
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198 | |
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199 | !--------------------------------------------------------------------- |
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200 | ! Read the QC attributes |
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201 | !--------------------------------------------------------------------- |
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202 | |
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203 | ! ADCP format assumed |
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204 | cl_fld_var_qc_uv1 = 'QU_5205' |
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205 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_qc_uv1, i_qc_var_id ) /= nf90_noerr ) THEN |
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206 | ! Try again with current meter format |
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207 | cl_fld_var_qc_uv1 = 'QCS_5300' |
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208 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_qc_uv1, i_qc_var_id ) /= nf90_noerr ) THEN |
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209 | ! Try again with high freq. current meter format |
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210 | cl_fld_var_qc_uv1 = 'QCU_5320' |
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211 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_qc_uv1, i_qc_var_id ) /= nf90_noerr ) THEN |
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212 | CALL fatal_error( 'Unknown format in read_taondbc', __LINE__ ) |
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213 | ENDIF |
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214 | ENDIF |
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215 | ENDIF |
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216 | CALL chkerr( nf90_get_var ( i_file_id, i_qc_var_id, zuv1qc), & |
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217 | & cl_name, __LINE__ ) |
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218 | |
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219 | ! ADCP format assumed |
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220 | cl_fld_var_qc_uv2 = 'QV_5206' |
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221 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_qc_uv2, i_qc_var_id ) /= nf90_noerr ) THEN |
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222 | ! Try again with current meter format |
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223 | cl_fld_var_qc_uv2 = 'QCD_5310' |
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224 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_qc_uv2, i_qc_var_id ) /= nf90_noerr ) THEN |
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225 | ! Try again with high freq. current meter format |
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226 | cl_fld_var_qc_uv2 = 'QCV_5321' |
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227 | IF ( nf90_inq_varid( i_file_id, cl_fld_var_qc_uv2, i_qc_var_id ) /= nf90_noerr ) THEN |
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228 | CALL fatal_error( 'Unknown format in read_taondbc', __LINE__ ) |
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229 | ENDIF |
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230 | ENDIF |
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231 | ENDIF |
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232 | CALL chkerr( nf90_get_var ( i_file_id, i_qc_var_id, zuv2qc), & |
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233 | & cl_name, __LINE__ ) |
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234 | |
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235 | !--------------------------------------------------------------------- |
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236 | ! Close file |
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237 | !--------------------------------------------------------------------- |
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238 | |
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239 | CALL chkerr( nf90_close( i_file_id ), cl_name, __LINE__ ) |
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240 | |
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241 | !--------------------------------------------------------------------- |
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242 | ! Convert to to 19500101 based Julian date |
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243 | !--------------------------------------------------------------------- |
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244 | DO jt = 1, itim |
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245 | zjuld(jt) = REAL(itime(jt),wp) + REAL(itime2(jt),wp)/86400000.0_wp & |
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246 | & - 2433283.0_wp |
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247 | END DO |
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248 | inpfile%cdjuldref = '19500101000000' |
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249 | |
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250 | !--------------------------------------------------------------------- |
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251 | ! Copy info to obfbdata structure |
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252 | !--------------------------------------------------------------------- |
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253 | |
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254 | iobs = 0 |
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255 | DO jt = 1, itim |
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256 | DO ja = 1, ilat |
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257 | DO jo = 1, ilon |
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258 | iobs = iobs + 1 |
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259 | zl = zlon(jo) |
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260 | IF ( zl > 180.0_wp ) zl = zl - 360.0_wp |
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261 | IF ( zl < 0 ) THEN |
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262 | cew = 'w' |
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263 | ELSE |
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264 | cew = 'e' |
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265 | ENDIF |
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266 | IF ( zlat(jo) < 0 ) THEN |
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267 | cns = 's' |
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268 | ELSE |
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269 | cns = 'n' |
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270 | ENDIF |
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271 | WRITE(inpfile%cdwmo(iobs),'(A1,I2.2,A1,I3.3)') & |
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272 | & cns, ABS(NINT(zlat(ja))), cew, ABS(NINT(zl)) |
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273 | DO jk = 1, ilev |
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274 | inpfile%pob(jk,iobs,1) = zu(jo,ja,jk,jt) |
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275 | inpfile%pob(jk,iobs,2) = zv(jo,ja,jk,jt) |
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276 | inpfile%pdep(jk,iobs) = zdep(jk) |
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277 | inpfile%ivlqc(jk,iobs,1:2) = INT( MAX( zuv1qc(jo,ja,jk,jt), zuv2qc(jo,ja,jk,jt) ) ) |
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278 | END DO |
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279 | inpfile%plam(iobs) = zlon(jo) |
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280 | inpfile%pphi(iobs) = zlat(ja) |
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281 | inpfile%ptim(iobs) = zjuld(jt) |
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282 | END DO |
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283 | END DO |
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284 | END DO |
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285 | |
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286 | ! No position, time, depth and variable QC in input files |
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287 | DO jo = 1, iobs |
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288 | inpfile%ipqc(jo) = 1 |
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289 | inpfile%itqc(jo) = 1 |
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290 | inpfile%ivqc(jo,1:2) = 1 |
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291 | DO jk = 1, ilev |
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292 | inpfile%idqc(jk,jo) = 1 |
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293 | END DO |
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294 | END DO |
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295 | |
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296 | !--------------------------------------------------------------------- |
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297 | ! Set the platform information |
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298 | !--------------------------------------------------------------------- |
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299 | inpfile%cdtyp(:)=' 820' |
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300 | |
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301 | !--------------------------------------------------------------------- |
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302 | ! Set QC flags for missing data and rescale to m/s |
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303 | !--------------------------------------------------------------------- |
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304 | |
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305 | DO jo = 1, iobs |
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306 | DO jk = 1, ilev |
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307 | IF ( ( ABS(inpfile%pob(jk,jo,1)) > 10000.0_wp ) .OR. & |
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308 | & ( ABS(inpfile%pob(jk,jo,2)) > 10000.0_wp ) ) THEN |
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309 | inpfile%ivlqc(jk,jo,:) = 4 |
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310 | inpfile%pob(jk,jo,1) = fbrmdi |
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311 | inpfile%pob(jk,jo,2) = fbrmdi |
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312 | ELSE |
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313 | inpfile%pob(jk,jo,1) = 0.01 * inpfile%pob(jk,jo,1) |
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314 | inpfile%pob(jk,jo,2) = 0.01 * inpfile%pob(jk,jo,2) |
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315 | ENDIF |
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316 | END DO |
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317 | END DO |
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318 | |
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319 | !--------------------------------------------------------------------- |
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320 | ! Set file indexes |
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321 | !--------------------------------------------------------------------- |
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322 | |
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323 | DO jo = 1, inpfile%nobs |
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324 | inpfile%kindex(jo) = jo |
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325 | END DO |
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326 | |
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327 | !--------------------------------------------------------------------- |
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328 | ! Initialize flags since they are not in the TAO input files |
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329 | !--------------------------------------------------------------------- |
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330 | |
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331 | inpfile%ioqcf(:,:) = 0 |
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332 | inpfile%ipqcf(:,:) = 0 |
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333 | inpfile%itqcf(:,:) = 0 |
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334 | inpfile%idqcf(:,:,:) = 0 |
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335 | inpfile%ivqcf(:,:,:) = 0 |
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336 | inpfile%ivlqcf(:,:,:,:) = 0 |
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337 | |
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338 | !--------------------------------------------------------------------- |
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339 | ! Deallocate data |
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340 | !--------------------------------------------------------------------- |
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341 | DEALLOCATE( & |
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342 | & zu, & |
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343 | & zv, & |
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344 | & zdep, & |
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345 | & zuv1qc, & |
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346 | & zuv2qc, & |
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347 | & itime, & |
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348 | & itime2, & |
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349 | & zlat, & |
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350 | & zlon, & |
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351 | & zjuld & |
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352 | & ) |
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353 | |
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354 | END SUBROUTINE read_taondbc |
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