1 | MODULE obs_oper |
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2 | !!====================================================================== |
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3 | !! *** MODULE obs_oper *** |
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4 | !! Observation diagnostics: Observation operators for various observation |
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5 | !! types |
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6 | !!====================================================================== |
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7 | |
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8 | !!---------------------------------------------------------------------- |
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9 | !! obs_prof_opt : Compute the model counterpart of profile data |
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10 | !! obs_surf_opt : Compute the model counterpart of surface data |
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11 | !!---------------------------------------------------------------------- |
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12 | |
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13 | !! * Modules used |
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14 | USE par_kind, ONLY : & ! Precision variables |
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15 | & wp |
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16 | USE in_out_manager ! I/O manager |
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17 | USE obs_inter_sup ! Interpolation support |
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18 | USE obs_inter_h2d, ONLY : & ! Horizontal interpolation to the obs pt |
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19 | & obs_int_h2d, & |
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20 | & obs_int_h2d_init |
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21 | USE obs_inter_z1d, ONLY : & ! Vertical interpolation to the obs pt |
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22 | & obs_int_z1d, & |
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23 | & obs_int_z1d_spl |
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24 | USE obs_const, ONLY : & ! Obs fill value |
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25 | & obfillflt |
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26 | USE dom_oce, ONLY : & ! Model lats/lons |
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27 | & glamt, & |
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28 | & gphit |
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29 | USE lib_mpp, ONLY : & ! Warning and stopping routines |
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30 | & ctl_warn, ctl_stop |
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31 | USE sbcdcy, ONLY : & ! For calculation of where it is night-time |
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32 | & sbc_dcy, nday_qsr |
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33 | |
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34 | IMPLICIT NONE |
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35 | |
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36 | !! * Routine accessibility |
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37 | PRIVATE |
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38 | |
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39 | PUBLIC obs_prof_opt, & ! Compute the model counterpart of profile obs |
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40 | & obs_surf_opt ! Compute the model counterpart of surface obs |
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41 | |
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42 | INTEGER, PARAMETER, PUBLIC :: & |
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43 | & imaxavtypes = 20 ! Max number of daily avgd obs types |
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44 | |
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45 | !!---------------------------------------------------------------------- |
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46 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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47 | !! $Id$ |
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48 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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49 | !!---------------------------------------------------------------------- |
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50 | |
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51 | CONTAINS |
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52 | |
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53 | SUBROUTINE obs_prof_opt( prodatqc, kt, kpi, kpj, kpk, & |
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54 | & kit000, kdaystp, & |
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55 | & pvar1, pvar2, pgdept, pmask1, pmask2, & |
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56 | & plam1, plam2, pphi1, pphi2, & |
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57 | & k1dint, k2dint, kdailyavtypes ) |
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58 | |
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59 | !!----------------------------------------------------------------------- |
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60 | !! |
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61 | !! *** ROUTINE obs_pro_opt *** |
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62 | !! |
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63 | !! ** Purpose : Compute the model counterpart of profiles |
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64 | !! data by interpolating from the model grid to the |
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65 | !! observation point. |
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66 | !! |
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67 | !! ** Method : Linearly interpolate to each observation point using |
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68 | !! the model values at the corners of the surrounding grid box. |
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69 | !! |
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70 | !! First, a vertical profile of horizontally interpolated model |
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71 | !! now values is computed at the obs (lon, lat) point. |
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72 | !! Several horizontal interpolation schemes are available: |
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73 | !! - distance-weighted (great circle) (k2dint = 0) |
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74 | !! - distance-weighted (small angle) (k2dint = 1) |
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75 | !! - bilinear (geographical grid) (k2dint = 2) |
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76 | !! - bilinear (quadrilateral grid) (k2dint = 3) |
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77 | !! - polynomial (quadrilateral grid) (k2dint = 4) |
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78 | !! |
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79 | !! Next, the vertical profile is interpolated to the |
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80 | !! data depth points. Two vertical interpolation schemes are |
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81 | !! available: |
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82 | !! - linear (k1dint = 0) |
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83 | !! - Cubic spline (k1dint = 1) |
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84 | !! |
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85 | !! For the cubic spline the 2nd derivative of the interpolating |
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86 | !! polynomial is computed before entering the vertical interpolation |
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87 | !! routine. |
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88 | !! |
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89 | !! If the logical is switched on, the model equivalent is |
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90 | !! a daily mean model temperature field. So, we first compute |
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91 | !! the mean, then interpolate only at the end of the day. |
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92 | !! |
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93 | !! Note: in situ temperature observations must be converted |
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94 | !! to potential temperature (the model variable) prior to |
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95 | !! assimilation. |
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96 | !! |
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97 | !! ** Action : |
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98 | !! |
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99 | !! History : |
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100 | !! ! 97-11 (A. Weaver, S. Ricci, N. Daget) |
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101 | !! ! 06-03 (G. Smith) NEMOVAR migration |
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102 | !! ! 06-10 (A. Weaver) Cleanup |
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103 | !! ! 07-01 (K. Mogensen) Merge of temperature and salinity |
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104 | !! ! 07-03 (K. Mogensen) General handling of profiles |
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105 | !! ! 15-02 (M. Martin) Combined routine for all profile types |
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106 | !!----------------------------------------------------------------------- |
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107 | |
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108 | !! * Modules used |
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109 | USE obs_profiles_def ! Definition of storage space for profile obs. |
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110 | |
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111 | IMPLICIT NONE |
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112 | |
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113 | !! * Arguments |
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114 | TYPE(obs_prof), INTENT(INOUT) :: & |
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115 | & prodatqc ! Subset of profile data passing QC |
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116 | INTEGER, INTENT(IN) :: kt ! Time step |
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117 | INTEGER, INTENT(IN) :: kpi ! Model grid parameters |
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118 | INTEGER, INTENT(IN) :: kpj |
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119 | INTEGER, INTENT(IN) :: kpk |
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120 | INTEGER, INTENT(IN) :: kit000 ! Number of the first time step |
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121 | ! (kit000-1 = restart time) |
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122 | INTEGER, INTENT(IN) :: k1dint ! Vertical interpolation type (see header) |
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123 | INTEGER, INTENT(IN) :: k2dint ! Horizontal interpolation type (see header) |
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124 | INTEGER, INTENT(IN) :: kdaystp ! Number of time steps per day |
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125 | REAL(KIND=wp), INTENT(IN), DIMENSION(kpi,kpj,kpk) :: & |
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126 | & pvar1, & ! Model field 1 |
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127 | & pvar2, & ! Model field 2 |
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128 | & pmask1, & ! Land-sea mask 1 |
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129 | & pmask2 ! Land-sea mask 2 |
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130 | REAL(KIND=wp), INTENT(IN), DIMENSION(kpi,kpj) :: & |
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131 | & plam1, & ! Model longitudes for variable 1 |
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132 | & plam2, & ! Model longitudes for variable 2 |
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133 | & pphi1, & ! Model latitudes for variable 1 |
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134 | & pphi2 ! Model latitudes for variable 2 |
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135 | REAL(KIND=wp), INTENT(IN), DIMENSION(kpk) :: & |
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136 | & pgdept ! Model array of depth levels |
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137 | INTEGER, DIMENSION(imaxavtypes), OPTIONAL :: & |
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138 | & kdailyavtypes ! Types for daily averages |
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139 | |
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140 | !! * Local declarations |
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141 | INTEGER :: ji |
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142 | INTEGER :: jj |
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143 | INTEGER :: jk |
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144 | INTEGER :: jobs |
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145 | INTEGER :: inrc |
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146 | INTEGER :: ipro |
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147 | INTEGER :: idayend |
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148 | INTEGER :: ista |
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149 | INTEGER :: iend |
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150 | INTEGER :: iobs |
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151 | INTEGER, DIMENSION(imaxavtypes) :: & |
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152 | & idailyavtypes |
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153 | INTEGER, DIMENSION(:,:,:), ALLOCATABLE :: & |
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154 | & igrdi1, & |
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155 | & igrdi2, & |
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156 | & igrdj1, & |
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157 | & igrdj2 |
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158 | REAL(KIND=wp) :: zlam |
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159 | REAL(KIND=wp) :: zphi |
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160 | REAL(KIND=wp) :: zdaystp |
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161 | REAL(KIND=wp), DIMENSION(kpk) :: & |
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162 | & zobsmask1, & |
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163 | & zobsmask2, & |
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164 | & zobsk, & |
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165 | & zobs2k |
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166 | REAL(KIND=wp), DIMENSION(2,2,kpk) :: & |
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167 | & zweig1, & |
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168 | & zweig2 |
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169 | REAL(wp), DIMENSION(:,:,:,:), ALLOCATABLE :: & |
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170 | & zmask1, & |
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171 | & zmask2, & |
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172 | & zint1, & |
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173 | & zint2, & |
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174 | & zinm1, & |
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175 | & zinm2 |
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176 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: & |
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177 | & zglam1, & |
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178 | & zglam2, & |
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179 | & zgphi1, & |
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180 | & zgphi2 |
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181 | LOGICAL :: ld_dailyav |
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182 | |
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183 | !------------------------------------------------------------------------ |
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184 | ! Local initialization |
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185 | !------------------------------------------------------------------------ |
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186 | ! Record and data counters |
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187 | inrc = kt - kit000 + 2 |
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188 | ipro = prodatqc%npstp(inrc) |
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189 | |
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190 | ! Daily average types |
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191 | ld_dailyav = .FALSE. |
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192 | IF ( PRESENT(kdailyavtypes) ) THEN |
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193 | idailyavtypes(:) = kdailyavtypes(:) |
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194 | IF ( ANY (idailyavtypes(:) /= -1) ) ld_dailyav = .TRUE. |
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195 | ELSE |
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196 | idailyavtypes(:) = -1 |
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197 | ENDIF |
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198 | |
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199 | ! Daily means are calculated for values over timesteps: |
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200 | ! [1 <= kt <= kdaystp], [kdaystp+1 <= kt <= 2*kdaystp], ... |
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201 | idayend = MOD( kt - kit000 + 1, kdaystp ) |
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202 | |
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203 | IF ( ld_dailyav ) THEN |
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204 | |
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205 | ! Initialize daily mean for first timestep of the day |
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206 | IF ( idayend == 1 .OR. kt == 0 ) THEN |
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207 | DO jk = 1, jpk |
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208 | DO jj = 1, jpj |
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209 | DO ji = 1, jpi |
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210 | prodatqc%vdmean(ji,jj,jk,1) = 0.0 |
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211 | prodatqc%vdmean(ji,jj,jk,2) = 0.0 |
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212 | END DO |
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213 | END DO |
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214 | END DO |
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215 | ENDIF |
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216 | |
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217 | DO jk = 1, jpk |
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218 | DO jj = 1, jpj |
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219 | DO ji = 1, jpi |
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220 | ! Increment field 1 for computing daily mean |
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221 | prodatqc%vdmean(ji,jj,jk,1) = prodatqc%vdmean(ji,jj,jk,1) & |
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222 | & + pvar1(ji,jj,jk) |
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223 | ! Increment field 2 for computing daily mean |
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224 | prodatqc%vdmean(ji,jj,jk,2) = prodatqc%vdmean(ji,jj,jk,2) & |
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225 | & + pvar2(ji,jj,jk) |
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226 | END DO |
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227 | END DO |
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228 | END DO |
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229 | |
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230 | ! Compute the daily mean at the end of day |
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231 | zdaystp = 1.0 / REAL( kdaystp ) |
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232 | IF ( idayend == 0 ) THEN |
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233 | IF (lwp) WRITE(numout,*) 'Calculating prodatqc%vdmean on time-step: ',kt |
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234 | CALL FLUSH(numout) |
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235 | DO jk = 1, jpk |
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236 | DO jj = 1, jpj |
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237 | DO ji = 1, jpi |
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238 | prodatqc%vdmean(ji,jj,jk,1) = prodatqc%vdmean(ji,jj,jk,1) & |
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239 | & * zdaystp |
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240 | prodatqc%vdmean(ji,jj,jk,2) = prodatqc%vdmean(ji,jj,jk,2) & |
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241 | & * zdaystp |
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242 | END DO |
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243 | END DO |
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244 | END DO |
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245 | ENDIF |
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246 | |
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247 | ENDIF |
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248 | |
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249 | ! Get the data for interpolation |
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250 | ALLOCATE( & |
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251 | & igrdi1(2,2,ipro), & |
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252 | & igrdi2(2,2,ipro), & |
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253 | & igrdj1(2,2,ipro), & |
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254 | & igrdj2(2,2,ipro), & |
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255 | & zglam1(2,2,ipro), & |
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256 | & zglam2(2,2,ipro), & |
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257 | & zgphi1(2,2,ipro), & |
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258 | & zgphi2(2,2,ipro), & |
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259 | & zmask1(2,2,kpk,ipro), & |
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260 | & zmask2(2,2,kpk,ipro), & |
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261 | & zint1(2,2,kpk,ipro), & |
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262 | & zint2(2,2,kpk,ipro) & |
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263 | & ) |
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264 | |
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265 | DO jobs = prodatqc%nprofup + 1, prodatqc%nprofup + ipro |
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266 | iobs = jobs - prodatqc%nprofup |
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267 | igrdi1(1,1,iobs) = prodatqc%mi(jobs,1)-1 |
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268 | igrdj1(1,1,iobs) = prodatqc%mj(jobs,1)-1 |
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269 | igrdi1(1,2,iobs) = prodatqc%mi(jobs,1)-1 |
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270 | igrdj1(1,2,iobs) = prodatqc%mj(jobs,1) |
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271 | igrdi1(2,1,iobs) = prodatqc%mi(jobs,1) |
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272 | igrdj1(2,1,iobs) = prodatqc%mj(jobs,1)-1 |
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273 | igrdi1(2,2,iobs) = prodatqc%mi(jobs,1) |
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274 | igrdj1(2,2,iobs) = prodatqc%mj(jobs,1) |
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275 | igrdi2(1,1,iobs) = prodatqc%mi(jobs,2)-1 |
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276 | igrdj2(1,1,iobs) = prodatqc%mj(jobs,2)-1 |
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277 | igrdi2(1,2,iobs) = prodatqc%mi(jobs,2)-1 |
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278 | igrdj2(1,2,iobs) = prodatqc%mj(jobs,2) |
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279 | igrdi2(2,1,iobs) = prodatqc%mi(jobs,2) |
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280 | igrdj2(2,1,iobs) = prodatqc%mj(jobs,2)-1 |
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281 | igrdi2(2,2,iobs) = prodatqc%mi(jobs,2) |
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282 | igrdj2(2,2,iobs) = prodatqc%mj(jobs,2) |
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283 | END DO |
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284 | |
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285 | CALL obs_int_comm_2d( 2, 2, ipro, igrdi1, igrdj1, plam1, zglam1 ) |
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286 | CALL obs_int_comm_2d( 2, 2, ipro, igrdi1, igrdj1, pphi1, zgphi1 ) |
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287 | CALL obs_int_comm_3d( 2, 2, ipro, kpk, igrdi1, igrdj1, pmask1, zmask1 ) |
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288 | CALL obs_int_comm_3d( 2, 2, ipro, kpk, igrdi1, igrdj1, pvar1, zint1 ) |
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289 | |
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290 | CALL obs_int_comm_2d( 2, 2, ipro, igrdi2, igrdj2, plam2, zglam2 ) |
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291 | CALL obs_int_comm_2d( 2, 2, ipro, igrdi2, igrdj2, pphi2, zgphi2 ) |
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292 | CALL obs_int_comm_3d( 2, 2, ipro, kpk, igrdi2, igrdj2, pmask2, zmask2 ) |
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293 | CALL obs_int_comm_3d( 2, 2, ipro, kpk, igrdi2, igrdj2, pvar2, zint2 ) |
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294 | |
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295 | ! At the end of the day also get interpolated means |
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296 | IF ( ld_dailyav .AND. idayend == 0 ) THEN |
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297 | |
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298 | ALLOCATE( & |
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299 | & zinm1(2,2,kpk,ipro), & |
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300 | & zinm2(2,2,kpk,ipro) & |
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301 | & ) |
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302 | |
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303 | CALL obs_int_comm_3d( 2, 2, ipro, kpk, igrdi1, igrdj1, & |
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304 | & prodatqc%vdmean(:,:,:,1), zinm1 ) |
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305 | CALL obs_int_comm_3d( 2, 2, ipro, kpk, igrdi2, igrdj2, & |
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306 | & prodatqc%vdmean(:,:,:,2), zinm2 ) |
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307 | |
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308 | ENDIF |
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309 | |
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310 | DO jobs = prodatqc%nprofup + 1, prodatqc%nprofup + ipro |
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311 | |
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312 | iobs = jobs - prodatqc%nprofup |
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313 | |
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314 | IF ( kt /= prodatqc%mstp(jobs) ) THEN |
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315 | |
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316 | IF(lwp) THEN |
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317 | WRITE(numout,*) |
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318 | WRITE(numout,*) ' E R R O R : Observation', & |
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319 | & ' time step is not consistent with the', & |
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320 | & ' model time step' |
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321 | WRITE(numout,*) ' =========' |
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322 | WRITE(numout,*) |
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323 | WRITE(numout,*) ' Record = ', jobs, & |
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324 | & ' kt = ', kt, & |
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325 | & ' mstp = ', prodatqc%mstp(jobs), & |
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326 | & ' ntyp = ', prodatqc%ntyp(jobs) |
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327 | ENDIF |
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328 | CALL ctl_stop( 'obs_pro_opt', 'Inconsistent time' ) |
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329 | ENDIF |
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330 | |
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331 | zlam = prodatqc%rlam(jobs) |
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332 | zphi = prodatqc%rphi(jobs) |
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333 | |
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334 | ! Horizontal weights and vertical mask |
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335 | |
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336 | IF ( prodatqc%npvend(jobs,1) > 0 ) THEN |
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337 | |
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338 | CALL obs_int_h2d_init( kpk, kpk, k2dint, zlam, zphi, & |
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339 | & zglam1(:,:,iobs), zgphi1(:,:,iobs), & |
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340 | & zmask1(:,:,:,iobs), zweig1, zobsmask1 ) |
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341 | |
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342 | ENDIF |
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343 | |
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344 | IF ( prodatqc%npvend(jobs,2) > 0 ) THEN |
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345 | |
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346 | CALL obs_int_h2d_init( kpk, kpk, k2dint, zlam, zphi, & |
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347 | & zglam2(:,:,iobs), zgphi2(:,:,iobs), & |
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348 | & zmask2(:,:,:,iobs), zweig2, zobsmask2 ) |
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349 | |
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350 | ENDIF |
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351 | |
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352 | IF ( prodatqc%npvend(jobs,1) > 0 ) THEN |
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353 | |
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354 | zobsk(:) = obfillflt |
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355 | |
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356 | IF ( ANY (idailyavtypes(:) == prodatqc%ntyp(jobs)) ) THEN |
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357 | |
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358 | IF ( idayend == 0 ) THEN |
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359 | ! Daily averaged data |
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360 | CALL obs_int_h2d( kpk, kpk, & |
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361 | & zweig1, zinm1(:,:,:,iobs), zobsk ) |
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362 | |
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363 | ENDIF |
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364 | |
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365 | ELSE |
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366 | |
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367 | ! Point data |
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368 | CALL obs_int_h2d( kpk, kpk, & |
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369 | & zweig1, zint1(:,:,:,iobs), zobsk ) |
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370 | |
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371 | ENDIF |
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372 | |
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373 | !------------------------------------------------------------- |
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374 | ! Compute vertical second-derivative of the interpolating |
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375 | ! polynomial at obs points |
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376 | !------------------------------------------------------------- |
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377 | |
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378 | IF ( k1dint == 1 ) THEN |
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379 | CALL obs_int_z1d_spl( kpk, zobsk, zobs2k, & |
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380 | & pgdept, zobsmask1 ) |
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381 | ENDIF |
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382 | |
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383 | !----------------------------------------------------------------- |
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384 | ! Vertical interpolation to the observation point |
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385 | !----------------------------------------------------------------- |
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386 | ista = prodatqc%npvsta(jobs,1) |
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387 | iend = prodatqc%npvend(jobs,1) |
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388 | CALL obs_int_z1d( kpk, & |
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389 | & prodatqc%var(1)%mvk(ista:iend), & |
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390 | & k1dint, iend - ista + 1, & |
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391 | & prodatqc%var(1)%vdep(ista:iend), & |
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392 | & zobsk, zobs2k, & |
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393 | & prodatqc%var(1)%vmod(ista:iend), & |
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394 | & pgdept, zobsmask1 ) |
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395 | |
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396 | ENDIF |
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397 | |
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398 | IF ( prodatqc%npvend(jobs,2) > 0 ) THEN |
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399 | |
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400 | zobsk(:) = obfillflt |
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401 | |
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402 | IF ( ANY (idailyavtypes(:) == prodatqc%ntyp(jobs)) ) THEN |
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403 | |
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404 | IF ( idayend == 0 ) THEN |
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405 | |
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406 | ! Daily averaged data |
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407 | CALL obs_int_h2d( kpk, kpk, & |
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408 | & zweig2, zinm2(:,:,:,iobs), zobsk ) |
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409 | |
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410 | ENDIF |
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411 | |
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412 | ELSE |
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413 | |
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414 | ! Point data |
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415 | CALL obs_int_h2d( kpk, kpk, & |
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416 | & zweig2, zint2(:,:,:,iobs), zobsk ) |
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417 | |
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418 | ENDIF |
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419 | |
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420 | |
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421 | !------------------------------------------------------------- |
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422 | ! Compute vertical second-derivative of the interpolating |
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423 | ! polynomial at obs points |
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424 | !------------------------------------------------------------- |
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425 | |
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426 | IF ( k1dint == 1 ) THEN |
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427 | CALL obs_int_z1d_spl( kpk, zobsk, zobs2k, & |
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428 | & pgdept, zobsmask2 ) |
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429 | ENDIF |
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430 | |
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431 | !---------------------------------------------------------------- |
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432 | ! Vertical interpolation to the observation point |
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433 | !---------------------------------------------------------------- |
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434 | ista = prodatqc%npvsta(jobs,2) |
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435 | iend = prodatqc%npvend(jobs,2) |
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436 | CALL obs_int_z1d( kpk, & |
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437 | & prodatqc%var(2)%mvk(ista:iend),& |
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438 | & k1dint, iend - ista + 1, & |
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439 | & prodatqc%var(2)%vdep(ista:iend),& |
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440 | & zobsk, zobs2k, & |
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441 | & prodatqc%var(2)%vmod(ista:iend),& |
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442 | & pgdept, zobsmask2 ) |
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443 | |
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444 | ENDIF |
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445 | |
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446 | END DO |
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447 | |
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448 | ! Deallocate the data for interpolation |
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449 | DEALLOCATE( & |
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450 | & igrdi1, & |
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451 | & igrdi2, & |
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452 | & igrdj1, & |
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453 | & igrdj2, & |
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454 | & zglam1, & |
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455 | & zglam2, & |
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456 | & zgphi1, & |
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457 | & zgphi2, & |
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458 | & zmask1, & |
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459 | & zmask2, & |
---|
460 | & zint1, & |
---|
461 | & zint2 & |
---|
462 | & ) |
---|
463 | |
---|
464 | ! At the end of the day also get interpolated means |
---|
465 | IF ( ld_dailyav .AND. idayend == 0 ) THEN |
---|
466 | DEALLOCATE( & |
---|
467 | & zinm1, & |
---|
468 | & zinm2 & |
---|
469 | & ) |
---|
470 | ENDIF |
---|
471 | |
---|
472 | prodatqc%nprofup = prodatqc%nprofup + ipro |
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473 | |
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474 | END SUBROUTINE obs_prof_opt |
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475 | |
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476 | SUBROUTINE obs_surf_opt( surfdataqc, kt, kpi, kpj, & |
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477 | & kit000, kdaystp, psurf, psurfmask, & |
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478 | & k2dint, ldnightav ) |
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479 | |
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480 | !!----------------------------------------------------------------------- |
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481 | !! |
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482 | !! *** ROUTINE obs_surf_opt *** |
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483 | !! |
---|
484 | !! ** Purpose : Compute the model counterpart of surface |
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485 | !! data by interpolating from the model grid to the |
---|
486 | !! observation point. |
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487 | !! |
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488 | !! ** Method : Linearly interpolate to each observation point using |
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489 | !! the model values at the corners of the surrounding grid box. |
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490 | !! |
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491 | !! The new model value is first computed at the obs (lon, lat) point. |
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492 | !! |
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493 | !! Several horizontal interpolation schemes are available: |
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494 | !! - distance-weighted (great circle) (k2dint = 0) |
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495 | !! - distance-weighted (small angle) (k2dint = 1) |
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496 | !! - bilinear (geographical grid) (k2dint = 2) |
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497 | !! - bilinear (quadrilateral grid) (k2dint = 3) |
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498 | !! - polynomial (quadrilateral grid) (k2dint = 4) |
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499 | !! |
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500 | !! |
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501 | !! ** Action : |
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502 | !! |
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503 | !! History : |
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504 | !! ! 07-03 (A. Weaver) |
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505 | !! ! 15-02 (M. Martin) Combined routine for surface types |
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506 | !!----------------------------------------------------------------------- |
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507 | |
---|
508 | !! * Modules used |
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509 | USE obs_surf_def ! Definition of storage space for surface observations |
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510 | |
---|
511 | IMPLICIT NONE |
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512 | |
---|
513 | !! * Arguments |
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514 | TYPE(obs_surf), INTENT(INOUT) :: & |
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515 | & surfdataqc ! Subset of surface data passing QC |
---|
516 | INTEGER, INTENT(IN) :: kt ! Time step |
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517 | INTEGER, INTENT(IN) :: kpi ! Model grid parameters |
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518 | INTEGER, INTENT(IN) :: kpj |
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519 | INTEGER, INTENT(IN) :: kit000 ! Number of the first time step |
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520 | ! (kit000-1 = restart time) |
---|
521 | INTEGER, INTENT(IN) :: kdaystp ! Number of time steps per day |
---|
522 | INTEGER, INTENT(IN) :: k2dint ! Horizontal interpolation type (see header) |
---|
523 | REAL(wp), INTENT(IN), DIMENSION(kpi,kpj) :: & |
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524 | & psurf, & ! Model surface field |
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525 | & psurfmask ! Land-sea mask |
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526 | LOGICAL, INTENT(IN) :: ldnightav ! Logical for averaging night-time data |
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527 | |
---|
528 | !! * Local declarations |
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529 | INTEGER :: ji |
---|
530 | INTEGER :: jj |
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531 | INTEGER :: jobs |
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532 | INTEGER :: inrc |
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533 | INTEGER :: isurf |
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534 | INTEGER :: iobs |
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535 | INTEGER :: idayend |
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536 | INTEGER, DIMENSION(:,:,:), ALLOCATABLE :: & |
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537 | & igrdi, & |
---|
538 | & igrdj |
---|
539 | INTEGER, DIMENSION(:,:), SAVE, ALLOCATABLE :: & |
---|
540 | & icount_night, & |
---|
541 | & imask_night |
---|
542 | REAL(wp) :: zlam |
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543 | REAL(wp) :: zphi |
---|
544 | REAL(wp), DIMENSION(1) :: zext, zobsmask |
---|
545 | REAL(wp) :: zdaystp |
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546 | REAL(wp), DIMENSION(2,2,1) :: & |
---|
547 | & zweig |
---|
548 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: & |
---|
549 | & zmask, & |
---|
550 | & zsurf, & |
---|
551 | & zsurfm, & |
---|
552 | & zglam, & |
---|
553 | & zgphi |
---|
554 | REAL(wp), DIMENSION(:,:), SAVE, ALLOCATABLE :: & |
---|
555 | & zintmp, & |
---|
556 | & zouttmp, & |
---|
557 | & zmeanday ! to compute model sst in region of 24h daylight (pole) |
---|
558 | |
---|
559 | !------------------------------------------------------------------------ |
---|
560 | ! Local initialization |
---|
561 | !------------------------------------------------------------------------ |
---|
562 | ! Record and data counters |
---|
563 | inrc = kt - kit000 + 2 |
---|
564 | isurf = surfdataqc%nsstp(inrc) |
---|
565 | |
---|
566 | IF ( ldnightav ) THEN |
---|
567 | |
---|
568 | ! Initialize array for night mean |
---|
569 | IF ( kt == 0 ) THEN |
---|
570 | ALLOCATE ( icount_night(kpi,kpj) ) |
---|
571 | ALLOCATE ( imask_night(kpi,kpj) ) |
---|
572 | ALLOCATE ( zintmp(kpi,kpj) ) |
---|
573 | ALLOCATE ( zouttmp(kpi,kpj) ) |
---|
574 | ALLOCATE ( zmeanday(kpi,kpj) ) |
---|
575 | nday_qsr = -1 ! initialisation flag for nbc_dcy |
---|
576 | ENDIF |
---|
577 | |
---|
578 | ! Night-time means are calculated for night-time values over timesteps: |
---|
579 | ! [1 <= kt <= kdaystp], [kdaystp+1 <= kt <= 2*kdaystp], ..... |
---|
580 | idayend = MOD( kt - kit000 + 1, kdaystp ) |
---|
581 | |
---|
582 | ! Initialize night-time mean for first timestep of the day |
---|
583 | IF ( idayend == 1 .OR. kt == 0 ) THEN |
---|
584 | DO jj = 1, jpj |
---|
585 | DO ji = 1, jpi |
---|
586 | surfdataqc%vdmean(ji,jj) = 0.0 |
---|
587 | zmeanday(ji,jj) = 0.0 |
---|
588 | icount_night(ji,jj) = 0 |
---|
589 | END DO |
---|
590 | END DO |
---|
591 | ENDIF |
---|
592 | |
---|
593 | zintmp(:,:) = 0.0 |
---|
594 | zouttmp(:,:) = sbc_dcy( zintmp(:,:), .TRUE. ) |
---|
595 | imask_night(:,:) = INT( zouttmp(:,:) ) |
---|
596 | |
---|
597 | DO jj = 1, jpj |
---|
598 | DO ji = 1, jpi |
---|
599 | ! Increment the temperature field for computing night mean and counter |
---|
600 | surfdataqc%vdmean(ji,jj) = surfdataqc%vdmean(ji,jj) & |
---|
601 | & + psurf(ji,jj) * REAL( imask_night(ji,jj) ) |
---|
602 | zmeanday(ji,jj) = zmeanday(ji,jj) + psurf(ji,jj) |
---|
603 | icount_night(ji,jj) = icount_night(ji,jj) + imask_night(ji,jj) |
---|
604 | END DO |
---|
605 | END DO |
---|
606 | |
---|
607 | ! Compute the night-time mean at the end of the day |
---|
608 | zdaystp = 1.0 / REAL( kdaystp ) |
---|
609 | IF ( idayend == 0 ) THEN |
---|
610 | IF (lwp) WRITE(numout,*) 'Calculating surfdataqc%vdmean on time-step: ',kt |
---|
611 | DO jj = 1, jpj |
---|
612 | DO ji = 1, jpi |
---|
613 | ! Test if "no night" point |
---|
614 | IF ( icount_night(ji,jj) > 0 ) THEN |
---|
615 | surfdataqc%vdmean(ji,jj) = surfdataqc%vdmean(ji,jj) & |
---|
616 | & / REAL( icount_night(ji,jj) ) |
---|
617 | ELSE |
---|
618 | !At locations where there is no night (e.g. poles), |
---|
619 | ! calculate daily mean instead of night-time mean. |
---|
620 | surfdataqc%vdmean(ji,jj) = zmeanday(ji,jj) * zdaystp |
---|
621 | ENDIF |
---|
622 | END DO |
---|
623 | END DO |
---|
624 | ENDIF |
---|
625 | |
---|
626 | ENDIF |
---|
627 | |
---|
628 | ! Get the data for interpolation |
---|
629 | |
---|
630 | ALLOCATE( & |
---|
631 | & igrdi(2,2,isurf), & |
---|
632 | & igrdj(2,2,isurf), & |
---|
633 | & zglam(2,2,isurf), & |
---|
634 | & zgphi(2,2,isurf), & |
---|
635 | & zmask(2,2,isurf), & |
---|
636 | & zsurf(2,2,isurf) & |
---|
637 | & ) |
---|
638 | |
---|
639 | DO jobs = surfdataqc%nsurfup + 1, surfdataqc%nsurfup + isurf |
---|
640 | iobs = jobs - surfdataqc%nsurfup |
---|
641 | igrdi(1,1,iobs) = surfdataqc%mi(jobs)-1 |
---|
642 | igrdj(1,1,iobs) = surfdataqc%mj(jobs)-1 |
---|
643 | igrdi(1,2,iobs) = surfdataqc%mi(jobs)-1 |
---|
644 | igrdj(1,2,iobs) = surfdataqc%mj(jobs) |
---|
645 | igrdi(2,1,iobs) = surfdataqc%mi(jobs) |
---|
646 | igrdj(2,1,iobs) = surfdataqc%mj(jobs)-1 |
---|
647 | igrdi(2,2,iobs) = surfdataqc%mi(jobs) |
---|
648 | igrdj(2,2,iobs) = surfdataqc%mj(jobs) |
---|
649 | END DO |
---|
650 | |
---|
651 | CALL obs_int_comm_2d( 2, 2, isurf, & |
---|
652 | & igrdi, igrdj, glamt, zglam ) |
---|
653 | CALL obs_int_comm_2d( 2, 2, isurf, & |
---|
654 | & igrdi, igrdj, gphit, zgphi ) |
---|
655 | CALL obs_int_comm_2d( 2, 2, isurf, & |
---|
656 | & igrdi, igrdj, psurfmask, zmask ) |
---|
657 | CALL obs_int_comm_2d( 2, 2, isurf, & |
---|
658 | & igrdi, igrdj, psurf, zsurf ) |
---|
659 | |
---|
660 | ! At the end of the day get interpolated means |
---|
661 | IF ( idayend == 0 .AND. ldnightav ) THEN |
---|
662 | |
---|
663 | ALLOCATE( & |
---|
664 | & zsurfm(2,2,isurf) & |
---|
665 | & ) |
---|
666 | |
---|
667 | CALL obs_int_comm_2d( 2, 2, isurf, igrdi, igrdj, & |
---|
668 | & surfdataqc%vdmean(:,:), zsurfm ) |
---|
669 | |
---|
670 | ENDIF |
---|
671 | |
---|
672 | ! Loop over observations |
---|
673 | DO jobs = surfdataqc%nsurfup + 1, surfdataqc%nsurfup + isurf |
---|
674 | |
---|
675 | iobs = jobs - surfdataqc%nsurfup |
---|
676 | |
---|
677 | IF ( kt /= surfdataqc%mstp(jobs) ) THEN |
---|
678 | |
---|
679 | IF(lwp) THEN |
---|
680 | WRITE(numout,*) |
---|
681 | WRITE(numout,*) ' E R R O R : Observation', & |
---|
682 | & ' time step is not consistent with the', & |
---|
683 | & ' model time step' |
---|
684 | WRITE(numout,*) ' =========' |
---|
685 | WRITE(numout,*) |
---|
686 | WRITE(numout,*) ' Record = ', jobs, & |
---|
687 | & ' kt = ', kt, & |
---|
688 | & ' mstp = ', surfdataqc%mstp(jobs), & |
---|
689 | & ' ntyp = ', surfdataqc%ntyp(jobs) |
---|
690 | ENDIF |
---|
691 | CALL ctl_stop( 'obs_surf_opt', 'Inconsistent time' ) |
---|
692 | |
---|
693 | ENDIF |
---|
694 | |
---|
695 | zlam = surfdataqc%rlam(jobs) |
---|
696 | zphi = surfdataqc%rphi(jobs) |
---|
697 | |
---|
698 | ! Get weights to interpolate the model value to the observation point |
---|
699 | CALL obs_int_h2d_init( 1, 1, k2dint, zlam, zphi, & |
---|
700 | & zglam(:,:,iobs), zgphi(:,:,iobs), & |
---|
701 | & zmask(:,:,iobs), zweig, zobsmask ) |
---|
702 | |
---|
703 | ! Interpolate the model field to the observation point |
---|
704 | IF ( ldnightav .AND. idayend == 0 ) THEN |
---|
705 | ! Night-time averaged data |
---|
706 | CALL obs_int_h2d( 1, 1, zweig, zsurfm(:,:,iobs), zext ) |
---|
707 | ELSE |
---|
708 | CALL obs_int_h2d( 1, 1, zweig, zsurf(:,:,iobs), zext ) |
---|
709 | ENDIF |
---|
710 | |
---|
711 | IF ( TRIM(surfdataqc%cvars(1)) == 'SLA' .AND. surfdataqc%nextra == 2 ) THEN |
---|
712 | ! ... Remove the MDT from the SSH at the observation point to get the SLA |
---|
713 | surfdataqc%rext(jobs,1) = zext(1) |
---|
714 | surfdataqc%rmod(jobs,1) = surfdataqc%rext(jobs,1) - surfdataqc%rext(jobs,2) |
---|
715 | ELSE |
---|
716 | surfdataqc%rmod(jobs,1) = zext(1) |
---|
717 | ENDIF |
---|
718 | |
---|
719 | END DO |
---|
720 | |
---|
721 | ! Deallocate the data for interpolation |
---|
722 | DEALLOCATE( & |
---|
723 | & igrdi, & |
---|
724 | & igrdj, & |
---|
725 | & zglam, & |
---|
726 | & zgphi, & |
---|
727 | & zmask, & |
---|
728 | & zsurf & |
---|
729 | & ) |
---|
730 | |
---|
731 | ! At the end of the day also deallocate night-time mean array |
---|
732 | IF ( idayend == 0 .AND. ldnightav ) THEN |
---|
733 | DEALLOCATE( & |
---|
734 | & zsurfm & |
---|
735 | & ) |
---|
736 | ENDIF |
---|
737 | |
---|
738 | surfdataqc%nsurfup = surfdataqc%nsurfup + isurf |
---|
739 | |
---|
740 | END SUBROUTINE obs_surf_opt |
---|
741 | |
---|
742 | END MODULE obs_oper |
---|