1 | MODULE obs_surf_def |
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2 | !!===================================================================== |
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3 | !! *** MODULE obs_surf_def *** |
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4 | !! Observation diagnostics: Storage handling for surface observation |
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5 | !! arrays and additional flags etc. |
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6 | !! This module only defines the data type and |
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7 | !! operations on the data type. There is no |
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8 | !! actual data in the module. |
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9 | !!===================================================================== |
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10 | |
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11 | !!---------------------------------------------------------------------- |
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12 | !! obs_surf : F90 type containing the surface information |
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13 | !! obs_surf_alloc : Allocates surface data arrays |
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14 | !! obs_surf_dealloc : Deallocates surface data arrays |
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15 | !! obs_surf_compress : Extract sub-information from a obs_surf type |
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16 | !! to a new obs_surf type |
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17 | !! obs_surf_decompress : Reinsert sub-information from a obs_surf type |
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18 | !! into the original obs_surf type |
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19 | !!---------------------------------------------------------------------- |
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20 | !! * Modules used |
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21 | USE par_kind, ONLY : & ! Precision variables |
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22 | & wp |
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23 | USE obs_mpp, ONLY : & ! MPP tools |
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24 | obs_mpp_sum_integer |
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25 | |
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26 | IMPLICIT NONE |
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27 | |
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28 | !! * Routine/type accessibility |
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29 | PRIVATE |
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30 | |
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31 | PUBLIC & |
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32 | & obs_surf, & |
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33 | & obs_surf_alloc, & |
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34 | & obs_surf_dealloc, & |
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35 | & obs_surf_compress, & |
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36 | & obs_surf_decompress |
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37 | |
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38 | !! * Type definition for surface observation type |
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39 | |
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40 | TYPE obs_surf |
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41 | |
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42 | ! Bookkeeping |
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43 | |
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44 | INTEGER :: nsurf !: Local number of surface data within window |
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45 | INTEGER :: nsurfmpp !: Global number of surface data within window |
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46 | INTEGER :: nvar !: Number of variables at observation points |
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47 | INTEGER :: nextra !: Number of extra fields at observation points |
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48 | INTEGER :: nstp !: Number of time steps |
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49 | INTEGER :: nsurfup !: Observation counter used in obs_oper |
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50 | |
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51 | ! Arrays with size equal to the number of surface observations |
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52 | |
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53 | INTEGER, POINTER, DIMENSION(:) :: & |
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54 | & mi, & !: i-th grid coord. for interpolating to surface observation |
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55 | & mj, & !: j-th grid coord. for interpolating to surface observation |
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56 | & nsidx,& !: Surface observation number |
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57 | & nsfil,& !: Surface observation number in file |
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58 | & nyea, & !: Year of surface observation |
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59 | & nmon, & !: Month of surface observation |
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60 | & nday, & !: Day of surface observation |
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61 | & nhou, & !: Hour of surface observation |
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62 | & nmin, & !: Minute of surface observation |
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63 | & mstp, & !: Time step nearest to surface observation |
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64 | & nqc, & !: Surface observation qc flag |
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65 | & ntyp !: Type of surface observation product |
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66 | |
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67 | CHARACTER(LEN=8), POINTER, DIMENSION(:) :: & |
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68 | & cwmo !: WMO indentifier |
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69 | |
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70 | REAL(KIND=wp), POINTER, DIMENSION(:) :: & |
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71 | & rlam, & !: Longitude coordinate of surface observation |
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72 | & rphi !: Latitude coordinate of surface observation |
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73 | |
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74 | REAL(KIND=wp), POINTER, DIMENSION(:,:) :: & |
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75 | & robs, & !: Surface observation |
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76 | & rmod !: Model counterpart of the surface observation vector |
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77 | |
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78 | REAL(KIND=wp), POINTER, DIMENSION(:,:) :: & |
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79 | & rext !: Extra fields interpolated to observation points |
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80 | |
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81 | ! Arrays with size equal to the number of time steps in the window |
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82 | |
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83 | INTEGER, POINTER, DIMENSION(:) :: & |
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84 | & nsstp, & !: Local number of surface observations per time step |
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85 | & nsstpmpp !: Global number of surface observations per time step |
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86 | |
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87 | ! Arrays used to store source indices when |
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88 | ! compressing obs_surf derived types |
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89 | |
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90 | ! Array with size nsurf |
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91 | |
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92 | INTEGER, POINTER, DIMENSION(:) :: & |
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93 | & nsind !: Source indices of surface data in compressed data |
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94 | |
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95 | END TYPE obs_surf |
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96 | |
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97 | !!---------------------------------------------------------------------- |
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98 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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99 | !! $Id$ |
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100 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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101 | !!---------------------------------------------------------------------- |
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102 | |
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103 | CONTAINS |
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104 | |
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105 | SUBROUTINE obs_surf_alloc( surf, ksurf, kvar, kextra, kstp ) |
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106 | !!---------------------------------------------------------------------- |
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107 | !! *** ROUTINE obs_surf_alloc *** |
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108 | !! |
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109 | !! ** Purpose : - Allocate data for surface data arrays |
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110 | !! |
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111 | !! ** Method : - Fortran-90 dynamic arrays |
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112 | !! |
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113 | !! History : |
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114 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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115 | !!---------------------------------------------------------------------- |
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116 | !! * Arguments |
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117 | TYPE(obs_surf), INTENT(INOUT) :: surf ! Surface data to be allocated |
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118 | INTEGER, INTENT(IN) :: ksurf ! Number of surface observations |
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119 | INTEGER, INTENT(IN) :: kvar ! Number of surface variables |
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120 | INTEGER, INTENT(IN) :: kextra ! Number of extra fields at observation points |
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121 | INTEGER, INTENT(IN) :: kstp ! Number of time steps |
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122 | |
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123 | !!* Local variables |
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124 | INTEGER :: ji |
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125 | |
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126 | ! Set bookkeeping variables |
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127 | |
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128 | surf%nsurf = ksurf |
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129 | surf%nsurfmpp = 0 |
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130 | surf%nextra = kextra |
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131 | surf%nvar = kvar |
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132 | surf%nstp = kstp |
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133 | |
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134 | ! Allocate arrays of number of surface data size |
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135 | |
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136 | ALLOCATE( & |
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137 | & surf%mi(ksurf), & |
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138 | & surf%mj(ksurf), & |
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139 | & surf%nsidx(ksurf), & |
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140 | & surf%nsfil(ksurf), & |
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141 | & surf%nyea(ksurf), & |
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142 | & surf%nmon(ksurf), & |
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143 | & surf%nday(ksurf), & |
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144 | & surf%nhou(ksurf), & |
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145 | & surf%nmin(ksurf), & |
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146 | & surf%mstp(ksurf), & |
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147 | & surf%nqc(ksurf), & |
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148 | & surf%ntyp(ksurf), & |
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149 | & surf%cwmo(ksurf), & |
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150 | & surf%rlam(ksurf), & |
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151 | & surf%rphi(ksurf), & |
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152 | & surf%nsind(ksurf) & |
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153 | & ) |
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154 | |
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155 | |
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156 | ! Allocate arrays of number of surface data size * number of variables |
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157 | |
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158 | ALLOCATE( & |
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159 | & surf%robs(ksurf,kvar), & |
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160 | & surf%rmod(ksurf,kvar) & |
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161 | & ) |
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162 | |
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163 | ! Allocate arrays of number of extra fields at observation points |
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164 | |
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165 | ALLOCATE( & |
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166 | & surf%rext(ksurf,kextra) & |
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167 | & ) |
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168 | |
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169 | ! Allocate arrays of number of time step size |
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170 | |
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171 | ALLOCATE( & |
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172 | & surf%nsstp(kstp), & |
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173 | & surf%nsstpmpp(kstp) & |
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174 | & ) |
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175 | |
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176 | ! Set defaults for compression indices |
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177 | |
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178 | DO ji = 1, ksurf |
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179 | surf%nsind(ji) = ji |
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180 | END DO |
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181 | |
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182 | ! Set defaults for number of observations per time step |
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183 | |
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184 | surf%nsstp(:) = 0 |
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185 | surf%nsstpmpp(:) = 0 |
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186 | |
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187 | ! Set the observation counter used in obs_oper |
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188 | |
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189 | surf%nsurfup = 0 |
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190 | |
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191 | END SUBROUTINE obs_surf_alloc |
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192 | |
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193 | SUBROUTINE obs_surf_dealloc( surf ) |
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194 | !!---------------------------------------------------------------------- |
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195 | !! *** ROUTINE obs_surf_dealloc *** |
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196 | !! |
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197 | !! ** Purpose : - Deallocate data for surface data arrays |
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198 | !! |
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199 | !! ** Method : - Fortran-90 dynamic arrays |
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200 | !! |
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201 | !! History : |
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202 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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203 | !!---------------------------------------------------------------------- |
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204 | !! * Arguments |
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205 | TYPE(obs_surf), INTENT(INOUT) :: & |
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206 | & surf ! Surface data to be allocated |
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207 | |
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208 | !!* Local variables |
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209 | |
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210 | ! Deallocate arrays of number of surface data size |
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211 | |
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212 | DEALLOCATE( & |
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213 | & surf%mi, & |
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214 | & surf%mj, & |
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215 | & surf%nsidx, & |
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216 | & surf%nsfil, & |
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217 | & surf%nyea, & |
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218 | & surf%nmon, & |
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219 | & surf%nday, & |
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220 | & surf%nhou, & |
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221 | & surf%nmin, & |
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222 | & surf%mstp, & |
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223 | & surf%nqc, & |
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224 | & surf%ntyp, & |
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225 | & surf%cwmo, & |
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226 | & surf%rlam, & |
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227 | & surf%rphi, & |
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228 | & surf%nsind & |
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229 | & ) |
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230 | |
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231 | ! Allocate arrays of number of surface data size * number of variables |
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232 | |
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233 | DEALLOCATE( & |
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234 | & surf%robs, & |
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235 | & surf%rmod & |
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236 | & ) |
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237 | |
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238 | ! Deallocate arrays of number of extra fields at observation points |
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239 | |
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240 | DEALLOCATE( & |
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241 | & surf%rext & |
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242 | & ) |
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243 | |
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244 | ! Deallocate arrays of number of time step size |
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245 | |
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246 | DEALLOCATE( & |
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247 | & surf%nsstp, & |
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248 | & surf%nsstpmpp & |
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249 | & ) |
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250 | |
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251 | END SUBROUTINE obs_surf_dealloc |
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252 | |
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253 | SUBROUTINE obs_surf_compress( surf, newsurf, lallocate, kumout, lvalid ) |
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254 | !!---------------------------------------------------------------------- |
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255 | !! *** ROUTINE obs_surf_compress *** |
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256 | !! |
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257 | !! ** Purpose : - Extract sub-information from a obs_surf type |
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258 | !! into a new obs_surf type |
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259 | !! |
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260 | !! ** Method : - The data is copied from surf to new surf. |
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261 | !! In the case of lvalid being present only the |
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262 | !! selected data will be copied. |
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263 | !! If lallocate is true the data in the newsurf is |
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264 | !! allocated either with the same number of elements |
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265 | !! as surf or with only the subset of elements defined |
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266 | !! by the optional selection. |
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267 | !! |
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268 | !! History : |
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269 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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270 | !!---------------------------------------------------------------------- |
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271 | !! * Arguments |
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272 | TYPE(obs_surf), INTENT(IN) :: surf ! Original surface data |
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273 | TYPE(obs_surf), INTENT(INOUT) :: newsurf ! New surface data with a subset of the original data |
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274 | LOGICAL :: lallocate ! Allocate newsurf data |
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275 | INTEGER,INTENT(IN) :: kumout ! Fortran unit for messages |
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276 | LOGICAL, OPTIONAL, INTENT(in), DIMENSION(:) :: & |
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277 | & lvalid ! Valid of surface observations |
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278 | |
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279 | !!* Local variables |
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280 | INTEGER :: insurf |
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281 | INTEGER :: ji |
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282 | INTEGER :: jk |
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283 | LOGICAL, DIMENSION(:), ALLOCATABLE :: llvalid |
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284 | |
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285 | ! Count how many elements there should be in the new data structure |
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286 | |
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287 | IF ( PRESENT(lvalid) ) THEN |
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288 | insurf = 0 |
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289 | DO ji = 1, surf%nsurf |
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290 | IF ( lvalid(ji) ) THEN |
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291 | insurf = insurf + 1 |
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292 | ENDIF |
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293 | END DO |
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294 | ELSE |
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295 | insurf = surf%nsurf |
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296 | ENDIF |
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297 | |
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298 | ! Optionally allocate data in the new data structure |
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299 | |
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300 | IF ( lallocate ) THEN |
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301 | CALL obs_surf_alloc( newsurf, insurf, surf%nvar, & |
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302 | & surf%nextra, surf%nstp ) |
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303 | ENDIF |
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304 | |
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305 | ! Allocate temporary valid array to unify the code for both cases |
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306 | |
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307 | ALLOCATE( llvalid(surf%nsurf) ) |
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308 | IF ( PRESENT(lvalid) ) THEN |
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309 | llvalid(:) = lvalid(:) |
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310 | ELSE |
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311 | llvalid(:) = .TRUE. |
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312 | ENDIF |
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313 | |
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314 | ! Setup bookkeeping variables |
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315 | |
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316 | insurf = 0 |
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317 | |
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318 | ! Loop over source surface data |
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319 | |
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320 | DO ji = 1, surf%nsurf |
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321 | |
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322 | IF ( llvalid(ji) ) THEN |
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323 | |
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324 | ! Copy the header information |
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325 | |
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326 | insurf = insurf + 1 |
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327 | |
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328 | newsurf%mi(insurf) = surf%mi(ji) |
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329 | newsurf%mj(insurf) = surf%mj(ji) |
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330 | newsurf%nsidx(insurf) = surf%nsidx(ji) |
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331 | newsurf%nsfil(insurf) = surf%nsfil(ji) |
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332 | newsurf%nyea(insurf) = surf%nyea(ji) |
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333 | newsurf%nmon(insurf) = surf%nmon(ji) |
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334 | newsurf%nday(insurf) = surf%nday(ji) |
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335 | newsurf%nhou(insurf) = surf%nhou(ji) |
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336 | newsurf%nmin(insurf) = surf%nmin(ji) |
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337 | newsurf%mstp(insurf) = surf%mstp(ji) |
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338 | newsurf%nqc(insurf) = surf%nqc(ji) |
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339 | newsurf%ntyp(insurf) = surf%ntyp(ji) |
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340 | newsurf%cwmo(insurf) = surf%cwmo(ji) |
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341 | newsurf%rlam(insurf) = surf%rlam(ji) |
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342 | newsurf%rphi(insurf) = surf%rphi(ji) |
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343 | |
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344 | DO jk = 1, surf%nvar |
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345 | |
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346 | newsurf%robs(insurf,jk) = surf%robs(ji,jk) |
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347 | newsurf%rmod(insurf,jk) = surf%rmod(ji,jk) |
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348 | |
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349 | END DO |
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350 | |
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351 | DO jk = 1, surf%nextra |
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352 | |
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353 | newsurf%rext(insurf,jk) = surf%rext(ji,jk) |
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354 | |
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355 | END DO |
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356 | |
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357 | ! nsind is the index of the original surface data |
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358 | |
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359 | newsurf%nsind(insurf) = ji |
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360 | |
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361 | ENDIF |
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362 | |
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363 | END DO |
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364 | |
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365 | ! Update MPP counters |
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366 | |
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367 | newsurf%nsurf = insurf |
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368 | CALL obs_mpp_sum_integer ( newsurf%nsurf, newsurf%nsurfmpp ) |
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369 | |
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370 | ! Set book keeping variables which do not depend on number of obs. |
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371 | |
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372 | newsurf%nstp = surf%nstp |
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373 | |
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374 | ! Deallocate temporary data |
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375 | |
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376 | DEALLOCATE( llvalid ) |
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377 | |
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378 | END SUBROUTINE obs_surf_compress |
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379 | |
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380 | SUBROUTINE obs_surf_decompress( surf, oldsurf, ldeallocate, kumout ) |
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381 | !!---------------------------------------------------------------------- |
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382 | !! *** ROUTINE obs_surf_decompress *** |
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383 | !! |
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384 | !! ** Purpose : - Copy back information to original surface data type |
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385 | !! |
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386 | !! ** Method : - Reinsert updated information from a previous |
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387 | !! copied/compressed surface data type into the original |
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388 | !! surface data and optionally deallocate the surface |
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389 | !! data input |
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390 | !! |
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391 | !! History : |
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392 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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393 | !!---------------------------------------------------------------------- |
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394 | !! * Arguments |
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395 | TYPE(obs_surf),INTENT(INOUT) :: surf ! Updated surface data |
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396 | TYPE(obs_surf),INTENT(INOUT) :: oldsurf ! Original surface data |
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397 | LOGICAL :: ldeallocate ! Deallocate the updated data of insertion |
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398 | INTEGER,INTENT(in) :: kumout ! Output unit |
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399 | |
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400 | !!* Local variables |
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401 | INTEGER :: ji |
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402 | INTEGER :: jj |
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403 | INTEGER :: jk |
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404 | |
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405 | ! Copy data from surf to old surf |
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406 | |
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407 | DO ji = 1, surf%nsurf |
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408 | |
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409 | jj=surf%nsind(ji) |
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410 | |
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411 | oldsurf%mi(jj) = surf%mi(ji) |
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412 | oldsurf%mj(jj) = surf%mj(ji) |
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413 | oldsurf%nsidx(jj) = surf%nsidx(ji) |
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414 | oldsurf%nsfil(jj) = surf%nsfil(ji) |
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415 | oldsurf%nyea(jj) = surf%nyea(ji) |
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416 | oldsurf%nmon(jj) = surf%nmon(ji) |
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417 | oldsurf%nday(jj) = surf%nday(ji) |
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418 | oldsurf%nhou(jj) = surf%nhou(ji) |
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419 | oldsurf%nmin(jj) = surf%nmin(ji) |
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420 | oldsurf%mstp(jj) = surf%mstp(ji) |
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421 | oldsurf%nqc(jj) = surf%nqc(ji) |
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422 | oldsurf%ntyp(jj) = surf%ntyp(ji) |
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423 | oldsurf%cwmo(jj) = surf%cwmo(ji) |
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424 | oldsurf%rlam(jj) = surf%rlam(ji) |
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425 | oldsurf%rphi(jj) = surf%rphi(ji) |
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426 | |
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427 | END DO |
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428 | |
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429 | DO jk = 1, surf%nvar |
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430 | |
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431 | DO ji = 1, surf%nsurf |
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432 | |
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433 | jj=surf%nsind(ji) |
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434 | |
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435 | oldsurf%robs(jj,jk) = surf%robs(ji,jk) |
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436 | oldsurf%rmod(jj,jk) = surf%rmod(ji,jk) |
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437 | |
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438 | END DO |
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439 | |
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440 | END DO |
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441 | |
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442 | DO jk = 1, surf%nextra |
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443 | |
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444 | DO ji = 1, surf%nsurf |
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445 | |
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446 | jj=surf%nsind(ji) |
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447 | |
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448 | oldsurf%rext(jj,jk) = surf%rext(ji,jk) |
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449 | |
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450 | END DO |
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451 | |
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452 | END DO |
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453 | |
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454 | ! Optionally deallocate the updated surface data |
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455 | |
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456 | IF ( ldeallocate ) CALL obs_surf_dealloc( surf ) |
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457 | |
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458 | END SUBROUTINE obs_surf_decompress |
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459 | |
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460 | END MODULE obs_surf_def |
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461 | |
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