1 | ! |
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2 | MODULE readdim2 |
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3 | !--------------------------------------------------------------------- |
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4 | !< $HeadURL$ |
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5 | !< $Date$ |
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6 | !< $Author$ |
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7 | !< $Revision$ |
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8 | !- IPSL (2006) |
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9 | !- This software is governed by the CeCILL licence see ORCHIDEE/ORCHIDEE_CeCILL.LIC |
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10 | !- |
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11 | USE ioipsl |
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12 | USE weather |
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13 | USE TIMER |
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14 | USE constantes |
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15 | USE constantes_veg |
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16 | USE solar |
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17 | USE grid |
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18 | !- |
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19 | IMPLICIT NONE |
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20 | !- |
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21 | PRIVATE |
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22 | PUBLIC :: forcing_read, forcing_info, forcing_grid |
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23 | !- |
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24 | INTEGER, SAVE :: iim_full, jjm_full, llm_full, ttm_full |
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25 | INTEGER, SAVE :: iim_zoom, jjm_zoom |
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26 | INTEGER, SAVE :: iim_g_begin,jjm_g_begin,iim_g_end,jjm_g_end |
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27 | REAL, SAVE, ALLOCATABLE, DIMENSION(:,:) :: data_full, lon_full, lat_full |
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28 | REAL, SAVE, ALLOCATABLE, DIMENSION(:) :: lev_full |
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29 | INTEGER, SAVE, ALLOCATABLE, DIMENSION(:) :: itau, i_index, j_index,j_index_g |
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30 | INTEGER, SAVE :: i_test, j_test |
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31 | LOGICAL, SAVE :: allow_weathergen, interpol |
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32 | LOGICAL, SAVE, PUBLIC :: weathergen, is_watchout |
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33 | REAL, SAVE :: merid_res, zonal_res |
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34 | LOGICAL, SAVE :: have_zaxis=.FALSE. |
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35 | !- |
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36 | CONTAINS |
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37 | !- |
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38 | !===================================================================== |
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39 | !- |
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40 | SUBROUTINE forcing_info(filename, iim, jjm, llm, tm, date0, dt_force,& |
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41 | & force_id) |
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42 | |
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43 | !--------------------------------------------------------------------- |
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44 | ! |
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45 | !- This subroutine will get all the info from the forcing file and |
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46 | !- prepare for the zoom if needed. |
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47 | !- It returns to the caller the sizes of the data it will receive at |
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48 | !- the forcing_read call. This is important so that the caller can |
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49 | !- allocate the right space. |
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50 | !- |
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51 | !- filename : name of the file to be opened |
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52 | !- iim : size in x of the forcing data |
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53 | !- jjm : size in y of the forcing data |
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54 | !- llm : number of levels in the forcing data (not yet used) |
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55 | !- tm : Time dimension of the forcing |
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56 | !- date0 : The date at which the forcing file starts (julian days) |
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57 | !- dt_force : time-step of the forcing file in seconds |
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58 | !- force_id : ID of the forcing file |
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59 | !- |
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60 | !- ARGUMENTS |
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61 | !- |
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62 | USE parallel |
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63 | IMPLICIT NONE |
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64 | !- |
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65 | CHARACTER(LEN=*) :: filename |
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66 | INTEGER :: iim, jjm, llm, tm |
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67 | REAL :: date0, dt_force |
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68 | INTEGER, INTENT(OUT) :: force_id |
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69 | !- LOCAL |
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70 | CHARACTER(LEN=20) :: calendar_str |
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71 | REAL :: juld_1, juld_2 |
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72 | LOGICAL :: debug = .FALSE. |
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73 | REAL, ALLOCATABLE, DIMENSION(:,:) :: fcontfrac |
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74 | REAL, ALLOCATABLE, DIMENSION(:,:) :: tair |
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75 | LOGICAL :: contfrac_exists=.FALSE. |
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76 | INTEGER :: NbPoint |
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77 | INTEGER :: i_test,j_test |
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78 | INTEGER :: i,j,ind |
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79 | INTEGER, ALLOCATABLE, DIMENSION(:) :: index_l |
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80 | REAL, ALLOCATABLE, DIMENSION(:,:) :: lon, lat |
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81 | REAL, ALLOCATABLE, DIMENSION(:) :: lev, levuv |
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82 | |
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83 | !- |
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84 | CALL flininfo(filename, iim_full, jjm_full, llm_full, ttm_full, force_id) |
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85 | CALL flinclo(force_id) |
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86 | !- |
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87 | IF ( debug ) WRITE(numout,*) 'forcing_info : Details from forcing file :', & |
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88 | iim_full, jjm_full, llm_full, ttm_full |
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89 | !- |
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90 | IF ( llm_full < 1 ) THEN |
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91 | have_zaxis = .FALSE. |
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92 | ELSE |
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93 | have_zaxis = .TRUE. |
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94 | ENDIF |
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95 | WRITE(numout,*) 'have_zaxis : ', llm_full, have_zaxis |
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96 | !- |
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97 | ALLOCATE(itau(ttm_full)) |
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98 | ALLOCATE(data_full(iim_full, jjm_full),lon_full(iim_full, jjm_full),& |
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99 | & lat_full(iim_full, jjm_full)) |
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100 | ALLOCATE(lev_full(llm_full)) |
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101 | ALLOCATE(fcontfrac(iim_full,jjm_full)) |
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102 | !- |
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103 | lev_full(:) = zero |
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104 | !- |
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105 | dt_force=zero |
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106 | CALL flinopen & |
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107 | & (filename, .FALSE., iim_full, jjm_full, llm_full, lon_full, lat_full, & |
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108 | & lev_full, ttm_full, itau, date0, dt_force, force_id) |
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109 | IF ( dt_force == zero ) THEN |
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110 | dt_force = itau(2) - itau(1) |
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111 | itau(:) = itau(:) / dt_force |
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112 | ENDIF |
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113 | ! WRITE(numout,*) "forcing_info : Forcing time step out of flinopen : ",dt_force |
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114 | !- |
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115 | !- What are the alowed options for the temportal interpolation |
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116 | !- |
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117 | !Config Key = ALLOW_WEATHERGEN |
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118 | !Config Desc = Allow weather generator to create data |
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119 | !Config Def = n |
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120 | !Config Help = This flag allows the forcing-reader to generate |
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121 | !Config synthetic data if the data in the file is too sparse |
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122 | !Config and the temporal resolution would not be enough to |
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123 | !Config run the model. |
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124 | !- |
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125 | allow_weathergen = .FALSE. |
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126 | CALL getin_p('ALLOW_WEATHERGEN',allow_weathergen) |
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127 | !- |
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128 | !- The calendar was set by the forcing file. If no "calendar" attribute was |
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129 | !- found then it is assumed to be gregorian, |
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130 | !MM => FALSE !! it is NOT assumed anything ! |
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131 | !- else it is what ever is written in this attribute. |
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132 | !- |
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133 | CALL ioget_calendar(calendar_str) |
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134 | i=INDEX(calendar_str,ACHAR(0)) |
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135 | IF ( i > 0 ) THEN |
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136 | calendar_str(i:20)=' ' |
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137 | ENDIF |
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138 | ! WRITE(numout,*) "forcing_info : Calendar used : ",calendar_str |
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139 | IF ( calendar_str == 'XXXX' ) THEN |
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140 | WRITE(numout,*) "forcing_info : The calendar was not found in the forcing file." |
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141 | IF (allow_weathergen) THEN |
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142 | ! Then change the calendar |
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143 | CALL ioconf_calendar("noleap") |
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144 | ELSE |
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145 | WRITE(numout,*) "forcing_info : We will force it to gregorian by default." |
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146 | CALL ioconf_calendar("gregorian") !! = 365.2425 ; "noleap" = 365.0; "360d"; "julian"=365.25 |
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147 | ENDIF |
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148 | ENDIF |
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149 | WRITE(numout,*) "readdim2 : Calendar used by the model : ",calendar_str |
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150 | IF (ttm_full .GE. 2) THEN |
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151 | juld_1 = itau2date(itau(1), date0, dt_force) |
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152 | juld_2 = itau2date(itau(2), date0, dt_force) |
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153 | ELSE |
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154 | juld_1 = 0 |
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155 | juld_2 = 0 |
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156 | CALL ipslerr ( 3, 'forcing_info','What is that only one time step in the forcing file ?', & |
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157 | & ' That can not be right.','verify forcing file.') |
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158 | STOP |
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159 | ENDIF |
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160 | !- |
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161 | !- Initialize one_year / one_day |
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162 | CALL ioget_calendar (one_year, one_day) |
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163 | !- |
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164 | !- What is the distance between the two first states. From this we will deduce what is |
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165 | !- to be done. |
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166 | weathergen = .FALSE. |
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167 | interpol = .FALSE. |
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168 | is_watchout = .FALSE. |
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169 | !- |
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170 | IF ( ABS(ABS(juld_2-juld_1)-30.) .LE. 2.) THEN |
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171 | IF ( allow_weathergen ) THEN |
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172 | weathergen = .TRUE. |
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173 | WRITE(numout,*) 'Using weather generator.' |
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174 | ELSE |
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175 | CALL ipslerr ( 3, 'forcing_info', & |
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176 | & 'This seems to be a monthly file.', & |
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177 | & 'We should use a weather generator with this file.', & |
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178 | & 'This should be allowed in the run.def') |
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179 | ENDIF |
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180 | ELSEIF ( ABS(juld_1-juld_2) .LE. 1./4.) THEN |
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181 | interpol = .TRUE. |
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182 | WRITE(numout,*) 'We will interpolate between the forcing data time steps.' |
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183 | ELSE |
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184 | ! Using the weather generator with data other than monthly ones probably |
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185 | ! needs some thinking. |
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186 | WRITE(numout,*) 'The time step is not suitable:',ABS(juld_1-juld_2),' days.' |
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187 | CALL ipslerr ( 3, 'forcing_info','The time step is not suitable.', & |
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188 | & '','We cannot do anything with these forcing data.') |
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189 | ENDIF |
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190 | !- |
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191 | !- redefine the forcing time step if the weather generator is activated |
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192 | !- |
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193 | IF ( weathergen ) THEN |
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194 | !Config Key = DT_WEATHGEN |
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195 | !Config Desc = Calling frequency of weather generator (s) |
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196 | !Config If = ALLOW_WEATHERGEN |
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197 | !Config Def = 1800. |
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198 | !Config Help = Determines how often the weather generator |
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199 | !Config is called (time step in s). Should be equal |
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200 | !Config to or larger than Sechiba's time step (say, |
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201 | !Config up to 6 times Sechiba's time step or so). |
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202 | dt_force = 1800. |
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203 | CALL getin_p('DT_WEATHGEN',dt_force) |
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204 | ENDIF |
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205 | !- |
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206 | !- Define the zoom |
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207 | !- |
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208 | !Config Key = LIMIT_WEST |
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209 | !Config Desc = Western limit of region |
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210 | !Config Def = -180. |
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211 | !Config Help = Western limit of the region we are |
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212 | !Config interested in. Between -180 and +180 degrees |
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213 | !Config The model will use the smalest regions from |
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214 | !Config region specified here and the one of the forcing file. |
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215 | !- |
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216 | limit_west = -180. |
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217 | CALL getin_p('LIMIT_WEST',limit_west) |
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218 | !- |
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219 | !Config Key = LIMIT_EAST |
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220 | !Config Desc = Eastern limit of region |
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221 | !Config Def = 180. |
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222 | !Config Help = Eastern limit of the region we are |
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223 | !Config interested in. Between -180 and +180 degrees |
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224 | !Config The model will use the smalest regions from |
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225 | !Config region specified here and the one of the forcing file. |
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226 | !- |
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227 | limit_east = 180. |
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228 | CALL getin_p('LIMIT_EAST',limit_east) |
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229 | !- |
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230 | !Config Key = LIMIT_NORTH |
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231 | !Config Desc = Northern limit of region |
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232 | !Config Def = 90. |
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233 | !Config Help = Northern limit of the region we are |
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234 | !Config interested in. Between +90 and -90 degrees |
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235 | !Config The model will use the smalest regions from |
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236 | !Config region specified here and the one of the forcing file. |
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237 | !- |
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238 | limit_north = 90. |
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239 | CALL getin_p('LIMIT_NORTH',limit_north) |
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240 | !- |
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241 | !Config Key = LIMIT_SOUTH |
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242 | !Config Desc = Southern limit of region |
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243 | !Config Def = -90. |
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244 | !Config Help = Southern limit of the region we are |
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245 | !Config interested in. Between 90 and -90 degrees |
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246 | !Config The model will use the smalest regions from |
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247 | !Config region specified here and the one of the forcing file. |
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248 | !- |
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249 | limit_south = -90. |
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250 | CALL getin_p('LIMIT_SOUTH',limit_south) |
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251 | !- |
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252 | !- Calculate domain size |
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253 | !- |
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254 | IF ( interpol ) THEN |
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255 | !- |
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256 | !- If we use temporal interpolation, then we cannot change the resolution (yet?) |
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257 | !- |
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258 | ALLOCATE(i_index(iim_full), j_index(jjm_full),j_index_g(jjm_full)) |
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259 | IF (is_root_prc) THEN |
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260 | |
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261 | CALL domain_size (limit_west, limit_east, limit_north, limit_south,& |
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262 | & iim_full, jjm_full, lon_full, lat_full, iim_zoom, jjm_zoom,& |
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263 | & i_index, j_index_g) |
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264 | |
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265 | j_index(:)=j_index_g(:) |
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266 | |
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267 | ALLOCATE(tair(iim_full,jjm_full)) |
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268 | CALL flinget (force_id,'Tair',iim_full, jjm_full, 1, ttm_full, 1, 1, data_full) |
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269 | CALL forcing_zoom(data_full, tair) |
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270 | |
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271 | CALL flinquery_var(force_id, 'contfrac', contfrac_exists) |
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272 | IF ( contfrac_exists ) THEN |
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273 | WRITE(numout,*) "contfrac exist in the forcing file." |
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274 | CALL flinget (force_id,'contfrac',iim_full, jjm_full, 1, ttm_full, 1, 1, data_full) |
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275 | CALL forcing_zoom(data_full, fcontfrac) |
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276 | WRITE(numout,*) "fcontfrac min/max :",MINVAL(fcontfrac(1:iim_zoom,1:jjm_zoom)),MAXVAL(fcontfrac(1:iim_zoom,1:jjm_zoom)) |
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277 | ELSE |
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278 | fcontfrac(:,:)=1. |
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279 | ENDIF |
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280 | |
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281 | |
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282 | DO i=1,iim_zoom |
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283 | DO j=1,jjm_zoom |
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284 | IF ( fcontfrac(i,j) <= EPSILON(1.) ) THEN |
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285 | tair(i,j) = 999999. |
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286 | ENDIF |
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287 | ENDDO |
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288 | ENDDO |
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289 | |
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290 | ALLOCATE(index_l(iim_zoom*jjm_zoom)) |
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291 | !- In this point is returning the global NbPoint with the global index |
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292 | CALL forcing_landind(iim_zoom,jjm_zoom,tair,.TRUE.,NbPoint,index_l,i_test,j_test) |
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293 | ELSE |
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294 | ALLOCATE(index_l(1)) |
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295 | ENDIF |
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296 | |
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297 | CALL init_data_para(iim_zoom,jjm_zoom,NbPoint,index_l) |
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298 | |
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299 | ! |
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300 | !- global index index_g is the index_l of root proc |
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301 | IF (is_root_prc) index_g(:)=index_l(1:NbPoint) |
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302 | |
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303 | DEALLOCATE(index_l) |
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304 | |
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305 | CALL bcast(jjm_zoom) |
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306 | CALL bcast(i_index) |
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307 | CALL bcast(j_index_g) |
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308 | |
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309 | ind=0 |
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310 | DO j=1,jjm_zoom |
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311 | IF ( (j >= jj_begin) .AND. (j <= jj_end) ) THEN |
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312 | ind=ind+1 |
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313 | j_index(ind)=j_index_g(j) |
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314 | ENDIF |
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315 | ENDDO |
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316 | |
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317 | jjm_zoom=jj_nb |
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318 | iim_zoom=iim_g |
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319 | |
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320 | !- |
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321 | !- If we use the weather generator, then we read zonal and meridional resolutions |
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322 | !- This should be unified one day... |
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323 | !- |
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324 | ELSEIF ( weathergen ) THEN |
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325 | !- |
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326 | !Config Key = MERID_RES |
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327 | !Config Desc = North-South Resolution |
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328 | !Config Def = 2. |
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329 | !Config If = ALLOW_WEATHERGEN |
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330 | !Config Help = North-South Resolution of the region we are |
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331 | !Config interested in. In degrees |
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332 | !- |
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333 | merid_res = 2. |
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334 | CALL getin_p('MERID_RES',merid_res) |
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335 | !- |
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336 | !Config Key = ZONAL_RES |
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337 | !Config Desc = East-West Resolution |
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338 | !Config Def = 2. |
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339 | !Config If = ALLOW_WEATHERGEN |
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340 | !Config Help = East-West Resolution of the region we are |
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341 | !Config interested in. In degrees |
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342 | !- |
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343 | zonal_res = 2. |
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344 | CALL getin_p('ZONAL_RES',zonal_res) |
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345 | !- |
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346 | !- Number of time steps is meaningless in this case |
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347 | !- |
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348 | ! ttm_full = HUGE( ttm_full ) |
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349 | !MM Number (realistic) of time steps for half hour dt |
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350 | ttm_full = NINT(one_year * 86400. / dt_force) |
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351 | !- |
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352 | IF (is_root_prc) THEN |
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353 | |
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354 | !- In this point is returning the global NbPoint with the global index |
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355 | CALL weathgen_domain_size (limit_west,limit_east,limit_north,limit_south, & |
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356 | zonal_res,merid_res,iim_zoom,jjm_zoom) |
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357 | ALLOCATE(index_l(iim_zoom*jjm_zoom)) |
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358 | ENDIF |
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359 | CALL bcast(iim_zoom) |
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360 | CALL bcast(jjm_zoom) |
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361 | |
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362 | ALLOCATE(lon(iim_zoom,jjm_zoom)) |
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363 | ALLOCATE(lat(iim_zoom,jjm_zoom)) |
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364 | ALLOCATE(lev(llm_full),levuv(llm_full)) |
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365 | |
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366 | ! We need lon and lat now for weathgen_init |
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367 | CALL forcing_grid (iim_zoom,jjm_zoom,llm_full,lon,lat,lev,levuv,init_f=.TRUE.) |
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368 | |
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369 | IF (is_root_prc) THEN |
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370 | CALL weathgen_init & |
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371 | & (filename,dt_force,force_id,iim_zoom,jjm_zoom, & |
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372 | & zonal_res,merid_res,lon,lat,index_l,NbPoint) |
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373 | !!$,& |
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374 | !!$ & i_index,j_index_g) |
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375 | ELSE |
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376 | ALLOCATE(index_l(1)) |
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377 | index_l(1)=1 |
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378 | ENDIF |
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379 | |
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380 | CALL init_data_para(iim_zoom,jjm_zoom,NbPoint,index_l) |
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381 | |
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382 | ! |
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383 | !- global index index_g is the index_l of root proc |
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384 | IF (is_root_prc) index_g(:)=index_l(1:NbPoint) |
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385 | |
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386 | DEALLOCATE(index_l) |
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387 | |
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388 | !!$ CALL bcast(i_index) |
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389 | !!$ CALL bcast(j_index_g) |
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390 | |
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391 | !!$ ind=0 |
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392 | !!$ DO j=1,jjm_zoom |
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393 | !!$ IF ( (j >= jj_begin) .AND. (j <= jj_end) ) THEN |
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394 | !!$ ind=ind+1 |
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395 | !!$ j_index(ind)=j_index_g(j) |
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396 | !!$ ENDIF |
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397 | !!$ ENDDO |
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398 | |
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399 | jjm_zoom=jj_nb |
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400 | iim_zoom=iim_g |
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401 | ! |
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402 | CALL weathgen_read_file(force_id,iim_zoom,jjm_zoom) |
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403 | |
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404 | !- |
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405 | ELSE |
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406 | !- |
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407 | STOP 'ERROR: Neither interpolation nor weather generator is specified.' |
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408 | !- |
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409 | ENDIF |
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410 | !- |
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411 | !- Transfer the right information to the caller |
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412 | !- |
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413 | iim = iim_zoom |
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414 | jjm = jjm_zoom |
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415 | llm = 1 |
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416 | tm = ttm_full |
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417 | !- |
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418 | IF ( debug ) WRITE(numout,*) 'forcing_info : end : ', iim,jjm, llm,tm |
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419 | !- |
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420 | END SUBROUTINE forcing_info |
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421 | !- |
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422 | !- |
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423 | !===================================================================== |
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424 | SUBROUTINE forcing_read & |
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425 | & (filename, rest_id, lrstread, lrstwrite, & |
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426 | & itauin, istp, itau_split, split, nb_spread, netrad_cons, date0, & |
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427 | & dt_force, iim, jjm, lon, lat, zlev, zlevuv, ttm, & |
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428 | & swdown, precip, snowf, tair, u, v, qair, pb, lwdown, & |
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429 | & fcontfrac, fneighbours, fresolution, & |
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430 | & SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy, & |
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431 | & kindex, nbindex, force_id) |
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432 | !--------------------------------------------------------------------- |
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433 | !- filename : name of the file to be opened |
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434 | !- rest_id : ID of restart file |
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435 | !- lrstread : read restart file? |
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436 | !- lrstwrite : write restart file? |
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437 | !- itauin : time step for which we need the data |
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438 | !- istp : time step for restart file |
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439 | !- itau_split : Where are we within the splitting |
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440 | !- of the time-steps of the forcing files |
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441 | !- (it decides IF we READ or not) |
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442 | !- split : The number of time steps we do |
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443 | !- between two time-steps of the forcing |
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444 | !- nb_spread : Over how many time steps do we spread the precipitation |
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445 | !- netrad_cons: flag that decides if net radiation should be conserved. |
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446 | !- date0 : The date at which the forcing file starts (julian days) |
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447 | !- dt_force : time-step of the forcing file in seconds |
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448 | !- iim : Size of the grid in x |
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449 | !- jjm : size of the grid in y |
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450 | !- lon : Longitudes |
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451 | !- lat : Latitudes |
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452 | !- zlev : First Levels if it exists (ie if watchout file) |
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453 | !- zlevuv : First Levels of the wind (equal precedent, if it exists) |
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454 | !- ttm : number of time steps in all in the forcing file |
---|
455 | !- swdown : Downward solar radiation (W/m^2) |
---|
456 | !- precip : Precipitation (Rainfall) (kg/m^2s) |
---|
457 | !- snowf : Snowfall (kg/m^2s) |
---|
458 | !- tair : 1st level (2m ? in off-line) air temperature (K) |
---|
459 | !- u and v : 1st level (2m/10m ? in off-line) (in theory !) wind speed (m/s) |
---|
460 | !- qair : 1st level (2m ? in off-line) humidity (kg/kg) |
---|
461 | !- pb : Surface pressure (Pa) |
---|
462 | !- lwdown : Downward long wave radiation (W/m^2) |
---|
463 | !- fcontfrac : Continental fraction (no unit) |
---|
464 | !- fneighbours: land neighbours |
---|
465 | !- fresolution: resolution in x and y dimensions for each points |
---|
466 | !- |
---|
467 | !- From a WATCHOUT file : |
---|
468 | !- SWnet : Net surface short-wave flux |
---|
469 | !- Eair : Air potential energy |
---|
470 | !- petAcoef : Coeficients A from the PBL resolution for T |
---|
471 | !- peqAcoef : Coeficients A from the PBL resolution for q |
---|
472 | !- petBcoef : Coeficients B from the PBL resolution for T |
---|
473 | !- peqBcoef : Coeficients B from the PBL resolution for q |
---|
474 | !- cdrag : Surface drag |
---|
475 | !- ccanopy : CO2 concentration in the canopy |
---|
476 | !- |
---|
477 | !- kindex : Index of all land-points in the data |
---|
478 | !- (used for the gathering) |
---|
479 | !- nbindex : Number of land points |
---|
480 | !- force_id : FLINCOM file id. |
---|
481 | !- It is used to close the file at the end of the run. |
---|
482 | !- |
---|
483 | !--------------------------------------------------------------------- |
---|
484 | IMPLICIT NONE |
---|
485 | !- |
---|
486 | CHARACTER(LEN=*) :: filename |
---|
487 | INTEGER, INTENT(IN) :: force_id |
---|
488 | INTEGER, INTENT(INOUT) :: nbindex |
---|
489 | INTEGER :: rest_id |
---|
490 | LOGICAL :: lrstread, lrstwrite |
---|
491 | INTEGER :: itauin, istp, itau_split, split, nb_spread |
---|
492 | LOGICAL :: netrad_cons |
---|
493 | REAL :: date0, dt_force |
---|
494 | INTEGER :: iim, jjm, ttm |
---|
495 | REAL,DIMENSION(iim,jjm) :: lon, lat, zlev, zlevuv, & |
---|
496 | & swdown, precip, snowf, tair, u, v, qair, pb, lwdown, & |
---|
497 | & fcontfrac |
---|
498 | REAL,DIMENSION(iim,jjm,2) :: fresolution |
---|
499 | INTEGER,DIMENSION(iim,jjm,8) :: fneighbours |
---|
500 | ! for watchout files |
---|
501 | REAL,DIMENSION(iim,jjm) :: & |
---|
502 | & SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy |
---|
503 | INTEGER,DIMENSION(iim*jjm), INTENT(INOUT) :: kindex |
---|
504 | !- |
---|
505 | INTEGER :: ik,i,j |
---|
506 | ! |
---|
507 | IF ( interpol ) THEN |
---|
508 | !- |
---|
509 | CALL forcing_read_interpol & |
---|
510 | (filename, itauin, itau_split, split, nb_spread, netrad_cons, date0, & |
---|
511 | dt_force, iim, jjm, lon, lat, zlev, zlevuv, ttm, & |
---|
512 | swdown, precip, snowf, tair, u, v, qair, pb, lwdown, & |
---|
513 | fcontfrac, fneighbours, fresolution, & |
---|
514 | SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy, & |
---|
515 | kindex, nbindex, force_id) |
---|
516 | !- |
---|
517 | ELSEIF ( weathergen ) THEN |
---|
518 | !- |
---|
519 | IF (lrstread) THEN |
---|
520 | fcontfrac(:,:) = 1.0 |
---|
521 | WRITE(numout,*) 'contfrac : ', MINVAL(fcontfrac), MAXVAL(fcontfrac) |
---|
522 | ENDIF |
---|
523 | |
---|
524 | IF ( (itauin == 0).AND.(itau_split == 0) ) THEN |
---|
525 | CALL weathgen_main (istp, istp, filename, force_id, iim, jjm, 1, & |
---|
526 | rest_id, lrstread, lrstwrite, & |
---|
527 | limit_west, limit_east, limit_north, limit_south, & |
---|
528 | zonal_res, merid_res, lon, lat, date0, dt_force, & |
---|
529 | kindex, nbindex, & |
---|
530 | swdown, precip, snowf, tair, u, v, qair, pb, lwdown) |
---|
531 | ELSE |
---|
532 | CALL weathgen_main (itauin, istp, filename, force_id, iim, jjm, 1, & |
---|
533 | rest_id, lrstread, lrstwrite, & |
---|
534 | limit_west, limit_east, limit_north, limit_south, & |
---|
535 | zonal_res, merid_res, lon, lat, date0, dt_force, & |
---|
536 | kindex, nbindex, & |
---|
537 | swdown, precip, snowf, tair, u, v, qair, pb, lwdown) |
---|
538 | ENDIF |
---|
539 | !- |
---|
540 | IF ( (itauin == 0).AND.(itau_split == 0) ) THEN |
---|
541 | !--- |
---|
542 | !--- Allocate grid stuff |
---|
543 | !--- |
---|
544 | CALL init_grid ( nbindex ) |
---|
545 | !--- |
---|
546 | !--- Compute |
---|
547 | !--- |
---|
548 | CALL grid_stuff(nbp_glo, iim_g, jjm_g, lon_g, lat_g, kindex) |
---|
549 | !CALL grid_stuff (nbindex, iim, jjm, lon, lat, kindex) |
---|
550 | DO ik=1,nbindex |
---|
551 | |
---|
552 | j = ((kindex(ik)-1)/iim) + 1 |
---|
553 | i = (kindex(ik) - (j-1)*iim) |
---|
554 | !- |
---|
555 | !- Store variable to help describe the grid |
---|
556 | !- once the points are gathered. |
---|
557 | !- |
---|
558 | fneighbours(i,j,:) = neighbours(ik,:) |
---|
559 | ! |
---|
560 | fresolution(i,j,:) = resolution(ik,:) |
---|
561 | ENDDO |
---|
562 | ENDIF |
---|
563 | ELSE |
---|
564 | !- |
---|
565 | STOP 'ERROR: Neither interpolation nor weather generator is specified.' |
---|
566 | !- |
---|
567 | ENDIF |
---|
568 | !- |
---|
569 | IF (.NOT. is_watchout) THEN |
---|
570 | ! We have to compute Potential air energy |
---|
571 | WHERE(tair(:,:) < val_exp) |
---|
572 | eair(:,:) = cp_air*tair(:,:)+cte_grav*zlev(:,:) |
---|
573 | ENDWHERE |
---|
574 | ENDIF |
---|
575 | !- |
---|
576 | ! |
---|
577 | !------------------------- |
---|
578 | END SUBROUTINE forcing_read |
---|
579 | !===================================================================== |
---|
580 | !- |
---|
581 | !- |
---|
582 | !===================================================================== |
---|
583 | SUBROUTINE forcing_read_interpol & |
---|
584 | & (filename, itauin, itau_split, split, nb_spread, netrad_cons, date0, & |
---|
585 | & dt_force, iim, jjm, lon, lat, zlev, zlevuv, ttm, swdown, rainf, snowf, tair, & |
---|
586 | & u, v, qair, pb, lwdown, & |
---|
587 | & fcontfrac, fneighbours, fresolution, & |
---|
588 | & SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy, & |
---|
589 | & kindex, nbindex, force_id) |
---|
590 | !--------------------------------------------------------------------- |
---|
591 | !- filename : name of the file to be opened |
---|
592 | !- itauin : time step for which we need the data |
---|
593 | !- itau_split : Where are we within the splitting |
---|
594 | !- of the time-steps of the forcing files |
---|
595 | !- (it decides IF we READ or not) |
---|
596 | !- split : The number of time steps we do |
---|
597 | !- between two time-steps of the forcing |
---|
598 | !- nb_spread : Over how many time steps do we spread the precipitation |
---|
599 | !- netrad_cons: flag that decides if net radiation should be conserved. |
---|
600 | !- date0 : The date at which the forcing file starts (julian days) |
---|
601 | !- dt_force : time-step of the forcing file in seconds |
---|
602 | !- iim : Size of the grid in x |
---|
603 | !- jjm : size of the grid in y |
---|
604 | !- lon : Longitudes |
---|
605 | !- lat : Latitudes |
---|
606 | !- zlev : First Levels if it exists (ie if watchout file) |
---|
607 | !- zlevuv : First Levels of the wind (equal precedent, if it exists) |
---|
608 | !- ttm : number of time steps in all in the forcing file |
---|
609 | !- swdown : Downward solar radiation (W/m^2) |
---|
610 | !- rainf : Rainfall (kg/m^2s) |
---|
611 | !- snowf : Snowfall (kg/m^2s) |
---|
612 | !- tair : 2m air temperature (K) |
---|
613 | !- u and v : 2m (in theory !) wind speed (m/s) |
---|
614 | !- qair : 2m humidity (kg/kg) |
---|
615 | !- pb : Surface pressure (Pa) |
---|
616 | !- lwdown : Downward long wave radiation (W/m^2) |
---|
617 | !- fcontfrac : Continental fraction (no unit) |
---|
618 | !- fneighbours: land neighbours |
---|
619 | !- fresolution: resolution in x and y dimensions for each points |
---|
620 | !- |
---|
621 | !- From a WATCHOUT file : |
---|
622 | !- SWnet : Net surface short-wave flux |
---|
623 | !- Eair : Air potential energy |
---|
624 | !- petAcoef : Coeficients A from the PBL resolution for T |
---|
625 | !- peqAcoef : Coeficients A from the PBL resolution for q |
---|
626 | !- petBcoef : Coeficients B from the PBL resolution for T |
---|
627 | !- peqBcoef : Coeficients B from the PBL resolution for q |
---|
628 | !- cdrag : Surface drag |
---|
629 | !- ccanopy : CO2 concentration in the canopy |
---|
630 | !- |
---|
631 | !- kindex : Index of all land-points in the data |
---|
632 | !- (used for the gathering) |
---|
633 | !- nbindex : Number of land points |
---|
634 | !- force_id : FLINCOM file id. |
---|
635 | !- It is used to close the file at the end of the run. |
---|
636 | !--------------------------------------------------------------------- |
---|
637 | USE parallel |
---|
638 | IMPLICIT NONE |
---|
639 | !- |
---|
640 | INTEGER,PARAMETER :: lm=1 |
---|
641 | !- |
---|
642 | !- Input variables |
---|
643 | !- |
---|
644 | CHARACTER(LEN=*) :: filename |
---|
645 | INTEGER :: itauin, itau_split, split, nb_spread |
---|
646 | LOGICAL :: netrad_cons |
---|
647 | REAL :: date0, dt_force |
---|
648 | INTEGER :: iim, jjm, ttm |
---|
649 | REAL,DIMENSION(:,:),INTENT(IN) :: lon, lat !- LOCAL data array (size=iim,jjm) |
---|
650 | INTEGER, INTENT(IN) :: force_id |
---|
651 | !- |
---|
652 | !- Output variables |
---|
653 | !- |
---|
654 | REAL,DIMENSION(:,:),INTENT(OUT) :: zlev, zlevuv, & !- LOCAL data array (size=iim,jjm) |
---|
655 | & swdown, rainf, snowf, tair, u, v, qair, pb, lwdown, & |
---|
656 | & fcontfrac |
---|
657 | REAL,DIMENSION(:,:,:),INTENT(OUT) :: fresolution !- LOCAL data array (size=iim,jjm,2) |
---|
658 | INTEGER,DIMENSION(:,:,:),INTENT(OUT) :: fneighbours !- LOCAL data array (size=iim,jjm,8) |
---|
659 | ! for watchout files |
---|
660 | REAL,DIMENSION(:,:),INTENT(OUT) :: & |
---|
661 | & SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy |
---|
662 | INTEGER,DIMENSION(:),INTENT(INOUT) :: kindex !- LOCAL index of the map |
---|
663 | INTEGER, INTENT(INOUT) :: nbindex |
---|
664 | !- |
---|
665 | !- Local variables |
---|
666 | !- |
---|
667 | INTEGER, SAVE :: last_read=0 |
---|
668 | INTEGER, SAVE :: itau_read, itau_read_nm1=0, itau_read_n=0 |
---|
669 | REAL,SAVE,ALLOCATABLE,DIMENSION(:,:) :: & |
---|
670 | & zlev_nm1, swdown_nm1, rainf_nm1, snowf_nm1, tair_nm1, u_nm1, v_nm1, qair_nm1, pb_nm1, lwdown_nm1, & |
---|
671 | & zlev_n, swdown_n, rainf_n, snowf_n, tair_n, u_n, v_n, qair_n, & |
---|
672 | & pb_n, lwdown_n, mean_sinang, sinang |
---|
673 | ! just for grid stuff if the forcing file is a watchout file |
---|
674 | REAL, ALLOCATABLE, DIMENSION(:,:) :: tmpdata |
---|
675 | ! variables to be read in watchout files |
---|
676 | REAL,SAVE,ALLOCATABLE,DIMENSION(:,:) :: & |
---|
677 | & SWnet_nm1, Eair_nm1, petAcoef_nm1, peqAcoef_nm1, petBcoef_nm1, peqBcoef_nm1, cdrag_nm1, ccanopy_nm1, & |
---|
678 | & SWnet_n, Eair_n, petAcoef_n, peqAcoef_n, petBcoef_n, peqBcoef_n, cdrag_n, ccanopy_n |
---|
679 | REAL, SAVE :: julian_for ! Date of the forcing to be read |
---|
680 | REAL :: julian, ss, rw |
---|
681 | !jur, |
---|
682 | REAL, SAVE :: julian0 ! First day of this year |
---|
683 | INTEGER :: yy, mm, dd, is, i, j, ik |
---|
684 | ! if Wind_N and Wind_E are in the file (and not just Wind) |
---|
685 | LOGICAL, SAVE :: wind_N_exists=.FALSE. |
---|
686 | LOGICAL :: wind_E_exists=.FALSE. |
---|
687 | LOGICAL, SAVE :: contfrac_exists=.FALSE. |
---|
688 | LOGICAL, SAVE :: neighbours_exists=.FALSE. |
---|
689 | LOGICAL, SAVE :: initialized = .FALSE. |
---|
690 | LOGICAL :: check=.FALSE. |
---|
691 | ! to bypass FPE problem on integer convertion with missing_value heigher than precision |
---|
692 | INTEGER, PARAMETER :: undef_int = 999999999 |
---|
693 | !--------------------------------------------------------------------- |
---|
694 | IF (check) THEN |
---|
695 | WRITE(numout,*) & |
---|
696 | & " FORCING READ : itau_read, itau_split : ",itauin,itau_split |
---|
697 | ENDIF |
---|
698 | !- |
---|
699 | !!$ itau_read = itauin |
---|
700 | itau_read = MOD((itauin-1),ttm)+1 |
---|
701 | !- |
---|
702 | !- This part initializes the reading of the forcing. As you can see |
---|
703 | !- we only go through here if both time steps are zero. |
---|
704 | !- |
---|
705 | IF ( (itau_read == 0).AND.(itau_split == 0) ) THEN |
---|
706 | !- |
---|
707 | !- Tests on forcing file type |
---|
708 | CALL flinquery_var(force_id, 'Wind_N', wind_N_exists) |
---|
709 | IF ( wind_N_exists ) THEN |
---|
710 | CALL flinquery_var(force_id, 'Wind_E', wind_E_exists) |
---|
711 | IF ( .NOT. wind_E_exists ) THEN |
---|
712 | CALL ipslerr(3,'forcing_read_interpol', & |
---|
713 | & 'Variable Wind_E does not exist in forcing file', & |
---|
714 | & 'But variable Wind_N exists.','Please, rename Wind_N to Wind;') |
---|
715 | ENDIF |
---|
716 | ENDIF |
---|
717 | CALL flinquery_var(force_id, 'levels', is_watchout) |
---|
718 | IF ( is_watchout ) THEN |
---|
719 | WRITE(numout,*) "Read a Watchout File." |
---|
720 | ENDIF |
---|
721 | CALL flinquery_var(force_id, 'contfrac', contfrac_exists) |
---|
722 | !- |
---|
723 | IF (check) WRITE(numout,*) 'ALLOCATE all the memory needed' |
---|
724 | !- |
---|
725 | ALLOCATE & |
---|
726 | & (swdown_nm1(iim,jjm), rainf_nm1(iim,jjm), snowf_nm1(iim,jjm), & |
---|
727 | & tair_nm1(iim,jjm), u_nm1(iim,jjm), v_nm1(iim,jjm), qair_nm1(iim,jjm), & |
---|
728 | & pb_nm1(iim,jjm), lwdown_nm1(iim,jjm)) |
---|
729 | ALLOCATE & |
---|
730 | & (swdown_n(iim,jjm), rainf_n(iim,jjm), snowf_n(iim,jjm), & |
---|
731 | & tair_n(iim,jjm), u_n(iim,jjm), v_n(iim,jjm), qair_n(iim,jjm), & |
---|
732 | & pb_n(iim,jjm), lwdown_n(iim,jjm)) |
---|
733 | ! to read of watchout files |
---|
734 | IF (is_watchout) THEN |
---|
735 | ALLOCATE & |
---|
736 | & (zlev_nm1(iim,jjm), zlev_n(iim,jjm), & |
---|
737 | & SWnet_nm1(iim,jjm), Eair_nm1(iim,jjm), cdrag_nm1(iim,jjm), ccanopy_nm1(iim,jjm), & |
---|
738 | & petAcoef_nm1(iim,jjm), peqAcoef_nm1(iim,jjm), petBcoef_nm1(iim,jjm), peqBcoef_nm1(iim,jjm), & |
---|
739 | & SWnet_n(iim,jjm), Eair_n(iim,jjm), cdrag_n(iim,jjm), ccanopy_n(iim,jjm), & |
---|
740 | & petAcoef_n(iim,jjm), peqAcoef_n(iim,jjm), petBcoef_n(iim,jjm), peqBcoef_n(iim,jjm)) |
---|
741 | ENDIF |
---|
742 | ALLOCATE & |
---|
743 | & (mean_sinang(iim,jjm), sinang(iim,jjm)) |
---|
744 | !- |
---|
745 | IF (check) WRITE(numout,*) 'Memory ALLOCATED' |
---|
746 | !- |
---|
747 | !- We need for the driver surface air temperature and humidity before the |
---|
748 | !- the loop starts. Thus we read it here. |
---|
749 | !- |
---|
750 | CALL forcing_just_read (iim, jjm, zlev, ttm, 1, 1, & |
---|
751 | & swdown, rainf, snowf, tair, & |
---|
752 | & u, v, qair, pb, lwdown, & |
---|
753 | & SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy, & |
---|
754 | & force_id, wind_N_exists, check) |
---|
755 | !---- |
---|
756 | IF (is_watchout) THEN |
---|
757 | zlevuv(:,:) = zlev(:,:) |
---|
758 | ENDIF |
---|
759 | !-- First in case it's not a watchout file |
---|
760 | IF ( .NOT. is_watchout ) THEN |
---|
761 | IF ( contfrac_exists ) THEN |
---|
762 | WRITE(numout,*) "contfrac exist in the forcing file." |
---|
763 | CALL flinget (force_id,'contfrac',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
764 | CALL forcing_zoom(data_full, fcontfrac) |
---|
765 | WRITE(numout,*) "fcontfrac min/max :",MINVAL(fcontfrac(1:iim_zoom,jjm_zoom)),MAXVAL(fcontfrac(1:iim_zoom,jjm_zoom)) |
---|
766 | ! |
---|
767 | ! We need to make sure that when we gather the points we pick all |
---|
768 | ! the points where contfrac is above 0. Thus we prepare tair for |
---|
769 | ! subroutine forcing_landind |
---|
770 | ! |
---|
771 | DO i=1,iim |
---|
772 | DO j=1,jjm |
---|
773 | IF ( j==1 .AND. i<ii_begin) fcontfrac(i,j)=0. ! bande de recouvrement du scatter2D |
---|
774 | IF ( j==jjm .AND. i>ii_end) fcontfrac(i,j)=0. ! => on mets les données qu'on veut pas du noeud à missing_value |
---|
775 | IF ( fcontfrac(i,j) <= EPSILON(1.) ) THEN |
---|
776 | tair(i,j) = 999999. |
---|
777 | ENDIF |
---|
778 | ENDDO |
---|
779 | ENDDO |
---|
780 | ELSE |
---|
781 | fcontfrac(:,:) = 1.0 |
---|
782 | ENDIF |
---|
783 | !--- |
---|
784 | !--- Create the index table |
---|
785 | !--- |
---|
786 | !--- This job return a LOCAL kindex |
---|
787 | CALL forcing_landind(iim, jjm, tair, check, nbindex, kindex, i_test, j_test) |
---|
788 | #ifdef CPP_PARA |
---|
789 | ! We keep previous function forcing_landind, only to get a valid (i_test,j_test) |
---|
790 | ! Force nbindex points for parallel computation |
---|
791 | nbindex=nbp_loc |
---|
792 | CALL scatter(index_g,kindex) |
---|
793 | kindex(1:nbindex)=kindex(1:nbindex)-(jj_begin-1)*iim_g |
---|
794 | #endif |
---|
795 | ik=MAX(nbindex/2,1) |
---|
796 | j_test = (((kindex(ik)-1)/iim) + 1) |
---|
797 | i_test = (kindex(ik) - (j_test-1)*iim) |
---|
798 | IF (check) THEN |
---|
799 | WRITE(numout,*) 'New test point is : ', i_test, j_test |
---|
800 | ENDIF |
---|
801 | !--- |
---|
802 | !--- Allocate grid stuff |
---|
803 | !--- |
---|
804 | CALL init_grid ( nbindex ) |
---|
805 | !--- |
---|
806 | !--- All grid variables |
---|
807 | !--- |
---|
808 | CALL grid_stuff(nbp_glo, iim_g, jjm_g, lon_g, lat_g, kindex) |
---|
809 | DO ik=1,nbindex |
---|
810 | ! |
---|
811 | j = ((kindex(ik)-1)/iim) + 1 |
---|
812 | i = (kindex(ik) - (j-1)*iim) |
---|
813 | !- |
---|
814 | !- Store variable to help describe the grid |
---|
815 | !- once the points are gathered. |
---|
816 | !- |
---|
817 | fneighbours(i,j,:) = neighbours(ik,:) |
---|
818 | ! |
---|
819 | fresolution(i,j,:) = resolution(ik,:) |
---|
820 | ENDDO |
---|
821 | ELSE |
---|
822 | !-- Second, in case it is a watchout file |
---|
823 | ALLOCATE (tmpdata(iim,jjm)) |
---|
824 | tmpdata(:,:) = 0.0 |
---|
825 | !-- |
---|
826 | IF ( .NOT. contfrac_exists ) THEN |
---|
827 | CALL ipslerr (3,'forcing_read_interpol', & |
---|
828 | & 'Could get contfrac variable in a watchout file :',TRIM(filename), & |
---|
829 | & '(Problem with file ?)') |
---|
830 | ENDIF |
---|
831 | CALL flinget (force_id,'contfrac',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
832 | CALL forcing_zoom(data_full, fcontfrac) |
---|
833 | ! |
---|
834 | ! We need to make sure that when we gather the points we pick all |
---|
835 | ! the points where contfrac is above 0. Thus we prepare tair for |
---|
836 | ! subroutine forcing_landind |
---|
837 | ! |
---|
838 | DO i=1,iim |
---|
839 | DO j=1,jjm |
---|
840 | IF ( j==1 .AND. i<ii_begin) fcontfrac(i,j)=0. |
---|
841 | IF ( j==jjm .AND. i>ii_end) fcontfrac(i,j)=0. |
---|
842 | IF ( fcontfrac(i,j) <= EPSILON(1.) ) THEN |
---|
843 | tair(i,j) = 999999. |
---|
844 | ENDIF |
---|
845 | ENDDO |
---|
846 | ENDDO |
---|
847 | !--- |
---|
848 | !--- Create the index table |
---|
849 | !--- |
---|
850 | !--- This job return a LOCAL kindex |
---|
851 | CALL forcing_landind(iim, jjm, tair, check, nbindex, kindex, i_test, j_test) |
---|
852 | #ifdef CPP_PARA |
---|
853 | ! We keep previous function forcing_landind, only to get a valid (i_test,j_test) |
---|
854 | ! Force nbindex points for parallel computation |
---|
855 | nbindex=nbp_loc |
---|
856 | CALL scatter(index_g,kindex) |
---|
857 | kindex(:)=kindex(:)-(jj_begin-1)*iim_g |
---|
858 | #endif |
---|
859 | ik=MAX(nbindex/2,1) |
---|
860 | j_test = (((kindex(ik)-1)/iim) + 1) |
---|
861 | i_test = (kindex(ik) - (j_test-1)*iim) |
---|
862 | IF (check) THEN |
---|
863 | WRITE(numout,*) 'New test point is : ', i_test, j_test |
---|
864 | ENDIF |
---|
865 | !--- |
---|
866 | !--- Allocate grid stuff |
---|
867 | !--- |
---|
868 | CALL init_grid ( nbindex ) |
---|
869 | neighbours(:,:) = -1 |
---|
870 | resolution(:,:) = 0. |
---|
871 | min_resol(:) = 1.e6 |
---|
872 | max_resol(:) = -1. |
---|
873 | !--- |
---|
874 | !--- All grid variables |
---|
875 | !--- |
---|
876 | !- |
---|
877 | !- Get variables to help describe the grid |
---|
878 | CALL flinquery_var(force_id, 'neighboursNN', neighbours_exists) |
---|
879 | IF ( .NOT. neighbours_exists ) THEN |
---|
880 | CALL ipslerr (3,'forcing_read_interpol', & |
---|
881 | & 'Could get neighbours in a watchout file :',TRIM(filename), & |
---|
882 | & '(Problem with file ?)') |
---|
883 | ELSE |
---|
884 | WRITE(numout,*) "Watchout file contains neighbours and resolutions." |
---|
885 | ENDIF |
---|
886 | ! |
---|
887 | fneighbours(:,:,:) = undef_int |
---|
888 | ! |
---|
889 | !- once the points are gathered. |
---|
890 | CALL flinget (force_id,'neighboursNN',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
891 | CALL forcing_zoom(data_full, tmpdata) |
---|
892 | WHERE(tmpdata(:,:) < undef_int) |
---|
893 | fneighbours(:,:,1) = NINT(tmpdata(:,:)) |
---|
894 | ENDWHERE |
---|
895 | ! |
---|
896 | CALL flinget (force_id,'neighboursNE',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
897 | CALL forcing_zoom(data_full, tmpdata) |
---|
898 | WHERE(tmpdata(:,:) < undef_int) |
---|
899 | fneighbours(:,:,2) = NINT(tmpdata(:,:)) |
---|
900 | ENDWHERE |
---|
901 | ! |
---|
902 | CALL flinget (force_id,'neighboursEE',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
903 | CALL forcing_zoom(data_full, tmpdata) |
---|
904 | WHERE(tmpdata(:,:) < undef_int) |
---|
905 | fneighbours(:,:,3) = NINT(tmpdata(:,:)) |
---|
906 | ENDWHERE |
---|
907 | ! |
---|
908 | CALL flinget (force_id,'neighboursSE',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
909 | CALL forcing_zoom(data_full, tmpdata) |
---|
910 | WHERE(tmpdata(:,:) < undef_int) |
---|
911 | fneighbours(:,:,4) = NINT(tmpdata(:,:)) |
---|
912 | ENDWHERE |
---|
913 | ! |
---|
914 | CALL flinget (force_id,'neighboursSS',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
915 | CALL forcing_zoom(data_full, tmpdata) |
---|
916 | WHERE(tmpdata(:,:) < undef_int) |
---|
917 | fneighbours(:,:,5) = NINT(tmpdata(:,:)) |
---|
918 | ENDWHERE |
---|
919 | ! |
---|
920 | CALL flinget (force_id,'neighboursSW',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
921 | CALL forcing_zoom(data_full, tmpdata) |
---|
922 | WHERE(tmpdata(:,:) < undef_int) |
---|
923 | fneighbours(:,:,6) = NINT(tmpdata(:,:)) |
---|
924 | ENDWHERE |
---|
925 | ! |
---|
926 | CALL flinget (force_id,'neighboursWW',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
927 | CALL forcing_zoom(data_full, tmpdata) |
---|
928 | WHERE(tmpdata(:,:) < undef_int) |
---|
929 | fneighbours(:,:,7) = NINT(tmpdata(:,:)) |
---|
930 | ENDWHERE |
---|
931 | ! |
---|
932 | CALL flinget (force_id,'neighboursNW',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
933 | CALL forcing_zoom(data_full, tmpdata) |
---|
934 | WHERE(tmpdata(:,:) < undef_int) |
---|
935 | fneighbours(:,:,8) = NINT(tmpdata(:,:)) |
---|
936 | ENDWHERE |
---|
937 | ! |
---|
938 | ! now, resolution of the grid |
---|
939 | CALL flinget (force_id,'resolutionX',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
940 | CALL forcing_zoom(data_full, tmpdata) |
---|
941 | fresolution(:,:,1) = tmpdata(:,:) |
---|
942 | ! |
---|
943 | CALL flinget (force_id,'resolutionY',iim_full, jjm_full, llm_full, ttm, 1, 1, data_full) |
---|
944 | CALL forcing_zoom(data_full, tmpdata) |
---|
945 | fresolution(:,:,2) = tmpdata(:,:) |
---|
946 | ! |
---|
947 | DO ik=1,nbindex |
---|
948 | ! |
---|
949 | j = ((kindex(ik)-1)/iim) + 1 |
---|
950 | i = (kindex(ik) - (j-1)*iim) |
---|
951 | !- |
---|
952 | !- Store variable to help describe the grid |
---|
953 | !- once the points are gathered. |
---|
954 | !- |
---|
955 | neighbours(ik,:) = fneighbours(i,j,:) |
---|
956 | ! |
---|
957 | resolution(ik,:) = fresolution(i,j,:) |
---|
958 | ! |
---|
959 | |
---|
960 | ENDDO |
---|
961 | CALL gather(neighbours,neighbours_g) |
---|
962 | CALL gather(resolution,resolution_g) |
---|
963 | min_resol(1) = MINVAL(resolution(:,1)) |
---|
964 | min_resol(2) = MAXVAL(resolution(:,2)) |
---|
965 | max_resol(1) = MAXVAL(resolution(:,1)) |
---|
966 | max_resol(2) = MAXVAL(resolution(:,2)) |
---|
967 | ! |
---|
968 | area(:) = resolution(:,1)*resolution(:,2) |
---|
969 | CALL gather(area,area_g) |
---|
970 | !-- |
---|
971 | DEALLOCATE (tmpdata) |
---|
972 | ENDIF |
---|
973 | WRITE(numout,*) 'contfrac : ', MINVAL(fcontfrac), MAXVAL(fcontfrac) |
---|
974 | !--- |
---|
975 | ENDIF |
---|
976 | !--- |
---|
977 | IF (check) THEN |
---|
978 | WRITE(numout,*) & |
---|
979 | & 'The dates : ',itau_read,itau_split,itau_read_nm1,itau_read_n |
---|
980 | ENDIF |
---|
981 | !--- |
---|
982 | !--- Here we do the work in case only interpolation is needed. |
---|
983 | !--- |
---|
984 | IF ( initialized .AND. interpol ) THEN |
---|
985 | !--- |
---|
986 | IF (itau_read /= last_read) THEN |
---|
987 | !--- |
---|
988 | !----- Start or Restart |
---|
989 | IF (itau_read_n == 0) THEN |
---|
990 | ! Case of a restart or a shift in the forcing file. |
---|
991 | IF (itau_read > 1) THEN |
---|
992 | itau_read_nm1=itau_read-1 |
---|
993 | CALL forcing_just_read (iim, jjm, zlev_nm1, ttm, itau_read_nm1, itau_read_nm1, & |
---|
994 | & swdown_nm1, rainf_nm1, snowf_nm1, tair_nm1, & |
---|
995 | & u_nm1, v_nm1, qair_nm1, pb_nm1, lwdown_nm1, & |
---|
996 | & SWnet_nm1, Eair_nm1, petAcoef_nm1, peqAcoef_nm1, petBcoef_nm1, peqBcoef_nm1, cdrag_nm1, ccanopy_nm1, & |
---|
997 | & force_id, wind_N_exists, check) |
---|
998 | ! Case of a simple start. |
---|
999 | ELSE IF (dt_force*ttm > one_day-1. ) THEN |
---|
1000 | ! if the forcing file contains at least 24 hours, |
---|
1001 | ! we will use the last forcing step of the first day |
---|
1002 | ! as initiale condition to prevent first shift off reading. |
---|
1003 | itau_read_nm1 = NINT (one_day/dt_force) |
---|
1004 | WRITE(numout,*) "the forcing file contains 24 hours :",dt_force*ttm,one_day-1. |
---|
1005 | WRITE(numout,*) "we will use the last forcing step of the first day : itau_read_nm1 ",itau_read_nm1 |
---|
1006 | CALL forcing_just_read (iim, jjm, zlev_nm1, ttm, itau_read_nm1, itau_read_nm1, & |
---|
1007 | & swdown_nm1, rainf_nm1, snowf_nm1, tair_nm1, & |
---|
1008 | & u_nm1, v_nm1, qair_nm1, pb_nm1, lwdown_nm1, & |
---|
1009 | & SWnet_nm1, Eair_nm1, petAcoef_nm1, peqAcoef_nm1, petBcoef_nm1, peqBcoef_nm1, cdrag_nm1, ccanopy_nm1, & |
---|
1010 | & force_id, wind_N_exists, check) |
---|
1011 | ELSE |
---|
1012 | ! if the forcing file contains less than 24 hours, |
---|
1013 | ! just say error ! |
---|
1014 | CALL ipslerr(3,'forcing_read_interpol', & |
---|
1015 | & 'The forcing file contains less than 24 hours !', & |
---|
1016 | & 'We can''t intialize interpolation with such a file.','') |
---|
1017 | ENDIF |
---|
1018 | ELSE |
---|
1019 | !----- Normal mode : copy old step |
---|
1020 | swdown_nm1(:,:) = swdown_n(:,:) |
---|
1021 | rainf_nm1(:,:) = rainf_n(:,:) |
---|
1022 | snowf_nm1(:,:) = snowf_n(:,:) |
---|
1023 | tair_nm1(:,:) = tair_n(:,:) |
---|
1024 | u_nm1(:,:) = u_n(:,:) |
---|
1025 | v_nm1(:,:) = v_n(:,:) |
---|
1026 | qair_nm1(:,:) = qair_n(:,:) |
---|
1027 | pb_nm1(:,:) = pb_n(:,:) |
---|
1028 | lwdown_nm1(:,:) = lwdown_n(:,:) |
---|
1029 | IF (is_watchout) THEN |
---|
1030 | zlev_nm1(:,:) = zlev_n(:,:) |
---|
1031 | ! Net surface short-wave flux |
---|
1032 | SWnet_nm1(:,:) = SWnet_n(:,:) |
---|
1033 | ! Air potential energy |
---|
1034 | Eair_nm1(:,:) = Eair_n(:,:) |
---|
1035 | ! Coeficients A from the PBL resolution for T |
---|
1036 | petAcoef_nm1(:,:) = petAcoef_n(:,:) |
---|
1037 | ! Coeficients A from the PBL resolution for q |
---|
1038 | peqAcoef_nm1(:,:) = peqAcoef_n(:,:) |
---|
1039 | ! Coeficients B from the PBL resolution for T |
---|
1040 | petBcoef_nm1(:,:) = petBcoef_n(:,:) |
---|
1041 | ! Coeficients B from the PBL resolution for q |
---|
1042 | peqBcoef_nm1(:,:) = peqBcoef_n(:,:) |
---|
1043 | ! Surface drag |
---|
1044 | cdrag_nm1(:,:) = cdrag_n(:,:) |
---|
1045 | ! CO2 concentration in the canopy |
---|
1046 | ccanopy_nm1(:,:) = ccanopy_n(:,:) |
---|
1047 | ENDIF |
---|
1048 | itau_read_nm1 = itau_read_n |
---|
1049 | ENDIF |
---|
1050 | !----- |
---|
1051 | itau_read_n = itau_read |
---|
1052 | IF (itau_read_n > ttm) THEN |
---|
1053 | WRITE(numout,*) 'WARNING --WARNING --WARNING --WARNING ' |
---|
1054 | WRITE(numout,*) & |
---|
1055 | & 'WARNING : We are going back to the start of the file' |
---|
1056 | itau_read_n =1 |
---|
1057 | ENDIF |
---|
1058 | IF (check) THEN |
---|
1059 | WRITE(numout,*) & |
---|
1060 | & 'The dates 2 : ',itau_read,itau_split,itau_read_nm1,itau_read_n |
---|
1061 | ENDIF |
---|
1062 | !----- |
---|
1063 | !----- Get a reduced julian day ! |
---|
1064 | !----- This is needed because we lack the precision on 32 bit machines. |
---|
1065 | !----- |
---|
1066 | IF ( dt_force .GT. 3600. ) THEN |
---|
1067 | julian_for = itau2date(itau_read-1, date0, dt_force) |
---|
1068 | CALL ju2ymds (julian_for, yy, mm, dd, ss) |
---|
1069 | |
---|
1070 | ! first day of this year |
---|
1071 | CALL ymds2ju (yy,1,1,0.0, julian0) |
---|
1072 | !----- |
---|
1073 | IF (check) THEN |
---|
1074 | WRITE(numout,*) 'Forcing for Julian day ',julian_for,'is read' |
---|
1075 | WRITE(numout,*) 'Date for this day ',yy,' / ',mm,' / ',dd," ",ss |
---|
1076 | ENDIF |
---|
1077 | ENDIF |
---|
1078 | !----- |
---|
1079 | CALL forcing_just_read (iim, jjm, zlev_n, ttm, itau_read_n, itau_read_n, & |
---|
1080 | & swdown_n, rainf_n, snowf_n, tair_n, & |
---|
1081 | & u_n, v_n, qair_n, pb_n, lwdown_n, & |
---|
1082 | & SWnet_n, Eair_n, petAcoef_n, peqAcoef_n, petBcoef_n, peqBcoef_n, cdrag_n, ccanopy_n, & |
---|
1083 | & force_id, wind_N_exists, check) |
---|
1084 | !--- |
---|
1085 | last_read = itau_read_n |
---|
1086 | !----- |
---|
1087 | !----- Compute mean solar angle for the comming period |
---|
1088 | !----- |
---|
1089 | IF (check) WRITE(numout,*) 'Going into solarang', split, one_day |
---|
1090 | !----- |
---|
1091 | IF ( dt_force .GT. 3600. ) THEN |
---|
1092 | mean_sinang(:,:) = 0.0 |
---|
1093 | DO is=1,split |
---|
1094 | !MM we compute mean SWdown between t and t+Dt then I take t+Dt/2. |
---|
1095 | julian = julian_for+((is-0.5)/split)*dt_force/one_day |
---|
1096 | !!$ julian = julian_for+(FLOAT(is)/split)*dt_force/one_day |
---|
1097 | CALL solarang (julian, julian0, iim, jjm, lon, lat, sinang) |
---|
1098 | mean_sinang(:,:) = mean_sinang(:,:)+sinang(:,:) |
---|
1099 | ENDDO |
---|
1100 | mean_sinang(:,:) = mean_sinang(:,:)/split |
---|
1101 | ! WRITE(*,*) "mean_sinang =",MAXVAL(mean_sinang) |
---|
1102 | ENDIF |
---|
1103 | !----- |
---|
1104 | ENDIF |
---|
1105 | !--- |
---|
1106 | !--- Do the interpolation |
---|
1107 | IF (check) WRITE(numout,*) 'Doing the interpolation between time steps' |
---|
1108 | !--- |
---|
1109 | IF (split > 1) THEN |
---|
1110 | rw = REAL(itau_split)/split |
---|
1111 | ELSE |
---|
1112 | rw = 1. |
---|
1113 | ENDIF |
---|
1114 | IF (check) WRITE(numout,*) 'Coeff of interpollation : ',rw |
---|
1115 | !--- |
---|
1116 | qair(:,:) = (qair_n(:,:)-qair_nm1(:,:))*rw + qair_nm1(:,:) |
---|
1117 | tair(:,:) = (tair_n(:,:)-tair_nm1(:,:))*rw + tair_nm1(:,:) |
---|
1118 | pb(:,:) = (pb_n(:,:)-pb_nm1(:,:))*rw + pb_nm1(:,:) |
---|
1119 | u(:,:) = (u_n(:,:)-u_nm1(:,:))*rw + u_nm1(:,:) |
---|
1120 | v(:,:) = (v_n(:,:)-v_nm1(:,:))*rw + v_nm1(:,:) |
---|
1121 | IF (is_watchout) THEN |
---|
1122 | zlev(:,:) = (zlev_n(:,:)-zlev_nm1(:,:))*rw + zlev_nm1(:,:) |
---|
1123 | zlevuv(:,:) = zlev(:,:) |
---|
1124 | SWnet(:,:) = (SWnet_n(:,:)-SWnet_nm1(:,:))*rw + SWnet_nm1(:,:) |
---|
1125 | Eair(:,:) = (Eair_n(:,:)-Eair_nm1(:,:))*rw + Eair_nm1(:,:) |
---|
1126 | petAcoef(:,:) = (petAcoef_n(:,:)-petAcoef_nm1(:,:))*rw + petAcoef_nm1(:,:) |
---|
1127 | peqAcoef(:,:) = (peqAcoef_n(:,:)-peqAcoef_nm1(:,:))*rw + peqAcoef_nm1(:,:) |
---|
1128 | petBcoef(:,:) = (petBcoef_n(:,:)-petBcoef_nm1(:,:))*rw + petBcoef_nm1(:,:) |
---|
1129 | peqBcoef(:,:) = (peqBcoef_n(:,:)-peqBcoef_nm1(:,:))*rw + peqBcoef_nm1(:,:) |
---|
1130 | cdrag(:,:) = (cdrag_n(:,:)-cdrag_nm1(:,:))*rw + cdrag_nm1(:,:) |
---|
1131 | ccanopy(:,:) = (ccanopy_n(:,:)-ccanopy_nm1(:,:))*rw + ccanopy_nm1(:,:) |
---|
1132 | ENDIF |
---|
1133 | !--- |
---|
1134 | !--- Here we need to allow for an option |
---|
1135 | !--- where radiative energy is conserved |
---|
1136 | !--- |
---|
1137 | IF ( netrad_cons ) THEN |
---|
1138 | lwdown(:,:) = lwdown_n(:,:) |
---|
1139 | ELSE |
---|
1140 | lwdown(:,:) = (lwdown_n(:,:)-lwdown_nm1(:,:))*rw + lwdown_nm1(:,:) |
---|
1141 | ENDIF |
---|
1142 | !--- |
---|
1143 | !--- For the solar radiation we decompose the mean value |
---|
1144 | !--- using the zenith angle of the sun if the time step in the forcing data is |
---|
1145 | !---- more than an hour. Else we use the standard linera interpolation |
---|
1146 | !---- |
---|
1147 | IF (check) WRITE(numout,*) 'Ready to deal with the solar radiation' |
---|
1148 | !---- |
---|
1149 | IF ( dt_force .GT. 3600. ) THEN |
---|
1150 | !--- |
---|
1151 | IF ( netrad_cons ) THEN |
---|
1152 | WRITE(numout,*) 'Solar radiation can not be conserved with a timestep of ', dt_force |
---|
1153 | ENDIF |
---|
1154 | !--- |
---|
1155 | !MM we compute mean SWdown between t and t+Dt then I take t+Dt/2. |
---|
1156 | julian = julian_for + (itau_split-0.5)/split*dt_force/one_day |
---|
1157 | !!$ julian = julian_for + rw*dt_force/one_day |
---|
1158 | IF (check) THEN |
---|
1159 | WRITE(numout,'(a,f20.10,2I3)') & |
---|
1160 | & 'JULIAN BEFORE SOLARANG : ',julian,itau_split,split |
---|
1161 | ENDIF |
---|
1162 | !--- |
---|
1163 | CALL solarang(julian, julian0, iim, jjm, lon, lat, sinang) |
---|
1164 | !--- |
---|
1165 | WHERE (mean_sinang(:,:) > 0.) |
---|
1166 | swdown(:,:) = swdown_n(:,:) *sinang(:,:)/mean_sinang(:,:) |
---|
1167 | ELSEWHERE |
---|
1168 | swdown(:,:) = 0.0 |
---|
1169 | END WHERE |
---|
1170 | !--- |
---|
1171 | WHERE (swdown(:,:) > 2000. ) |
---|
1172 | swdown(:,:) = 2000. |
---|
1173 | END WHERE |
---|
1174 | !--- |
---|
1175 | ELSE |
---|
1176 | !!$ IF ( .NOT. is_watchout ) THEN |
---|
1177 | !--- |
---|
1178 | IF ( netrad_cons ) THEN |
---|
1179 | swdown(:,:) = swdown_n(:,:) |
---|
1180 | ELSE |
---|
1181 | swdown(:,:) = (swdown_n(:,:)-swdown_nm1(:,:))*rw + swdown_nm1(:,:) |
---|
1182 | ENDIF |
---|
1183 | !--- |
---|
1184 | ENDIF |
---|
1185 | !--- |
---|
1186 | IF (check) THEN |
---|
1187 | WRITE(numout,*) '__ Forcing read at ',itau_split,' :',i_test, j_test |
---|
1188 | WRITE(numout,*) 'SWdown : ',swdown_nm1(i_test, j_test), & |
---|
1189 | & ' < ', swdown(i_test, j_test), ' < ', swdown_n(i_test, j_test) |
---|
1190 | IF (is_watchout) THEN |
---|
1191 | WRITE(numout,*) 'SWnet : ',swnet_nm1(i_test, j_test), & |
---|
1192 | & ' < ', swnet(i_test, j_test), ' < ', swnet_n(i_test, j_test) |
---|
1193 | WRITE(numout,*) 'levels :',zlev_nm1(i_test, j_test), & |
---|
1194 | & ' < ', zlev(i_test, j_test), ' < ', zlev_n(i_test, j_test) |
---|
1195 | WRITE(numout,*) 'EAIR :',Eair_nm1(i_test, j_test), & |
---|
1196 | & ' < ', eair(i_test, j_test), ' < ', Eair_n(i_test, j_test) |
---|
1197 | ENDIF |
---|
1198 | WRITE(numout,*) 'TAIR :',tair_nm1(i_test, j_test), & |
---|
1199 | & ' < ', tair(i_test, j_test), ' < ', tair_n(i_test, j_test) |
---|
1200 | WRITE(numout,*) 'QAIR :',qair_nm1(i_test, j_test), & |
---|
1201 | & ' < ', qair(i_test, j_test), ' < ', qair_n(i_test, j_test) |
---|
1202 | WRITE(numout,*) 'U :',u_nm1(i_test, j_test), & |
---|
1203 | & ' < ', u(i_test, j_test), ' < ', u_n(i_test, j_test) |
---|
1204 | WRITE(numout,*) 'V :',v_nm1(i_test, j_test), & |
---|
1205 | & ' < ', v(i_test, j_test), ' < ', v_n(i_test, j_test) |
---|
1206 | ENDIF |
---|
1207 | !--- |
---|
1208 | !--- For precip we suppose that the rain |
---|
1209 | !--- is the sum over the next 6 hours |
---|
1210 | !--- |
---|
1211 | IF (itau_split <= nb_spread) THEN |
---|
1212 | rainf(:,:) = rainf_n(:,:)*(split/nb_spread) |
---|
1213 | snowf(:,:) = snowf_n(:,:)*(split/nb_spread) |
---|
1214 | ELSE |
---|
1215 | rainf(:,:) = 0.0 |
---|
1216 | snowf(:,:) = 0.0 |
---|
1217 | ENDIF |
---|
1218 | IF (check) THEN |
---|
1219 | WRITE(numout,*) '__ Forcing read at ',itau_split,' :' |
---|
1220 | WRITE(numout,*) 'Rainf : ',rainf_nm1(i_test, j_test), & |
---|
1221 | & ' < ', rainf(i_test, j_test), ' < ', rainf_n(i_test, j_test) |
---|
1222 | WRITE(numout,*) 'Snowf : ',snowf_nm1(i_test, j_test), & |
---|
1223 | & ' < ', snowf(i_test, j_test), ' < ', snowf_n(i_test, j_test) |
---|
1224 | ENDIF |
---|
1225 | !--- |
---|
1226 | ENDIF |
---|
1227 | !--- |
---|
1228 | !--- Here we might put the call to the weather generator ... one day. |
---|
1229 | !--- Pour le moment, le branchement entre interpolation et generateur de temps |
---|
1230 | !--- est fait au-dessus. |
---|
1231 | !--- |
---|
1232 | !- IF ( initialized .AND. weathergen ) THEN |
---|
1233 | !- .... |
---|
1234 | !- ENDIF |
---|
1235 | !--- |
---|
1236 | !--- At this point the code should be initialized. If not we have a problem ! |
---|
1237 | !--- |
---|
1238 | IF ( (itau_read == 0).AND.(itau_split == 0) ) THEN |
---|
1239 | !--- |
---|
1240 | initialized = .TRUE. |
---|
1241 | !--- |
---|
1242 | ELSE |
---|
1243 | IF ( .NOT. initialized ) THEN |
---|
1244 | WRITE(numout,*) 'Why is the code forcing_read not initialized ?' |
---|
1245 | WRITE(numout,*) 'Have you called it with both time-steps set to zero ?' |
---|
1246 | STOP |
---|
1247 | ENDIF |
---|
1248 | ENDIF |
---|
1249 | ! |
---|
1250 | !------------------------- |
---|
1251 | END SUBROUTINE forcing_read_interpol |
---|
1252 | !===================================================================== |
---|
1253 | !- |
---|
1254 | !===================================================================== |
---|
1255 | SUBROUTINE forcing_just_read & |
---|
1256 | & (iim, jjm, zlev, ttm, itb, ite, & |
---|
1257 | & swdown, rainf, snowf, tair, & |
---|
1258 | & u, v, qair, pb, lwdown, & |
---|
1259 | & SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy, & |
---|
1260 | & force_id, wind_N_exists, check) |
---|
1261 | !--------------------------------------------------------------------- |
---|
1262 | !- iim : Size of the grid in x |
---|
1263 | !- jjm : size of the grid in y |
---|
1264 | !- zlev : First Levels if it exists (ie if watchout file) |
---|
1265 | !- ttm : number of time steps in all in the forcing file |
---|
1266 | !- itb, ite : index of respectively begin and end of read for each variable |
---|
1267 | !- swdown : Downward solar radiation (W/m^2) |
---|
1268 | !- rainf : Rainfall (kg/m^2s) |
---|
1269 | !- snowf : Snowfall (kg/m^2s) |
---|
1270 | !- tair : 2m air temperature (K) |
---|
1271 | !- u and v : 2m (in theory !) wind speed (m/s) |
---|
1272 | !- qair : 2m humidity (kg/kg) |
---|
1273 | !- pb : Surface pressure (Pa) |
---|
1274 | !- lwdown : Downward long wave radiation (W/m^2) |
---|
1275 | !- |
---|
1276 | !- From a WATCHOUT file : |
---|
1277 | !- SWnet : Net surface short-wave flux |
---|
1278 | !- Eair : Air potential energy |
---|
1279 | !- petAcoef : Coeficients A from the PBL resolution for T |
---|
1280 | !- peqAcoef : Coeficients A from the PBL resolution for q |
---|
1281 | !- petBcoef : Coeficients B from the PBL resolution for T |
---|
1282 | !- peqBcoef : Coeficients B from the PBL resolution for q |
---|
1283 | !- cdrag : Surface drag |
---|
1284 | !- ccanopy : CO2 concentration in the canopy |
---|
1285 | !- force_id : FLINCOM file id. |
---|
1286 | !- It is used to close the file at the end of the run. |
---|
1287 | !- wind_N_exists : if Wind_N and Wind_E are in the file (and not just Wind) |
---|
1288 | !- check : Prompt for reading |
---|
1289 | !--------------------------------------------------------------------- |
---|
1290 | IMPLICIT NONE |
---|
1291 | !- |
---|
1292 | INTEGER, INTENT(in) :: iim, jjm, ttm |
---|
1293 | INTEGER, INTENT(in) :: itb, ite |
---|
1294 | REAL, DIMENSION(iim,jjm), INTENT(out) :: zlev, & |
---|
1295 | & swdown, rainf, snowf, tair, u, v, qair, pb, lwdown |
---|
1296 | ! for watchout files |
---|
1297 | REAL, DIMENSION(iim,jjm), INTENT(out) :: & |
---|
1298 | & SWnet, Eair, petAcoef, peqAcoef, petBcoef, peqBcoef, cdrag, ccanopy |
---|
1299 | INTEGER, INTENT(in) :: force_id |
---|
1300 | ! if Wind_N and Wind_E are in the file (and not just Wind) |
---|
1301 | LOGICAL, INTENT(in) :: wind_N_exists |
---|
1302 | LOGICAL :: check |
---|
1303 | !- |
---|
1304 | !--------------------------------------------------------------------- |
---|
1305 | CALL flinget (force_id,'Tair' , iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1306 | CALL forcing_zoom(data_full, tair) |
---|
1307 | CALL flinget (force_id,'SWdown', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1308 | CALL forcing_zoom(data_full, swdown) |
---|
1309 | CALL flinget (force_id,'LWdown', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1310 | CALL forcing_zoom(data_full, lwdown) |
---|
1311 | CALL flinget (force_id,'Snowf' , iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1312 | CALL forcing_zoom(data_full, snowf) |
---|
1313 | CALL flinget (force_id,'Rainf' , iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1314 | CALL forcing_zoom(data_full, rainf) |
---|
1315 | !SZ FLUXNET input file correction |
---|
1316 | ! rainf=rainf/1800. |
---|
1317 | !MM Rainf and not Snowf ? |
---|
1318 | CALL flinget (force_id,'PSurf' , iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1319 | CALL forcing_zoom(data_full, pb) |
---|
1320 | CALL flinget (force_id,'Qair' , iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1321 | CALL forcing_zoom(data_full, qair) |
---|
1322 | !--- |
---|
1323 | IF ( wind_N_exists ) THEN |
---|
1324 | CALL flinget (force_id,'Wind_N', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1325 | CALL forcing_zoom(data_full, u) |
---|
1326 | CALL flinget (force_id,'Wind_E', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1327 | CALL forcing_zoom(data_full, v) |
---|
1328 | ELSE |
---|
1329 | CALL flinget (force_id,'Wind', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1330 | CALL forcing_zoom(data_full, u) |
---|
1331 | v=0.0 |
---|
1332 | ENDIF |
---|
1333 | !---- |
---|
1334 | IF ( is_watchout ) THEN |
---|
1335 | CALL flinget (force_id,'levels', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1336 | CALL forcing_zoom(data_full, zlev) |
---|
1337 | ! Net surface short-wave flux |
---|
1338 | CALL flinget (force_id,'SWnet', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1339 | CALL forcing_zoom(data_full, SWnet) |
---|
1340 | ! Air potential energy |
---|
1341 | CALL flinget (force_id,'Eair', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1342 | CALL forcing_zoom(data_full, Eair) |
---|
1343 | ! Coeficients A from the PBL resolution for T |
---|
1344 | CALL flinget (force_id,'petAcoef', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1345 | CALL forcing_zoom(data_full, petAcoef) |
---|
1346 | ! Coeficients A from the PBL resolution for q |
---|
1347 | CALL flinget (force_id,'peqAcoef', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1348 | CALL forcing_zoom(data_full, peqAcoef) |
---|
1349 | ! Coeficients B from the PBL resolution for T |
---|
1350 | CALL flinget (force_id,'petBcoef', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1351 | CALL forcing_zoom(data_full, petBcoef) |
---|
1352 | ! Coeficients B from the PBL resolution for q |
---|
1353 | CALL flinget (force_id,'peqBcoef', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1354 | CALL forcing_zoom(data_full, peqBcoef) |
---|
1355 | ! Surface drag |
---|
1356 | CALL flinget (force_id,'cdrag', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1357 | CALL forcing_zoom(data_full, cdrag) |
---|
1358 | ! CO2 concentration in the canopy |
---|
1359 | CALL flinget (force_id,'ccanopy', iim_full, jjm_full, llm_full, ttm, itb, ite, data_full) |
---|
1360 | CALL forcing_zoom(data_full, ccanopy) |
---|
1361 | ENDIF |
---|
1362 | ! |
---|
1363 | !---- |
---|
1364 | IF (check) WRITE(numout,*) 'Variables have been extracted between ',itb,' and ',ite,' iterations of the forcing file.' |
---|
1365 | !------------------------- |
---|
1366 | END SUBROUTINE forcing_just_read |
---|
1367 | !===================================================================== |
---|
1368 | !- |
---|
1369 | SUBROUTINE forcing_landind(iim, jjm, tair, check, nbindex, kindex, i_test, j_test) |
---|
1370 | !--- |
---|
1371 | !--- This subroutine finds the indices of the land points over which the land |
---|
1372 | !--- surface scheme is going to run. |
---|
1373 | !--- |
---|
1374 | IMPLICIT NONE |
---|
1375 | !- |
---|
1376 | !- ARGUMENTS |
---|
1377 | !- |
---|
1378 | INTEGER, INTENT(IN) :: iim, jjm |
---|
1379 | REAL, INTENT(IN) :: tair(iim,jjm) |
---|
1380 | INTEGER, INTENT(OUT) :: i_test, j_test, nbindex |
---|
1381 | INTEGER, INTENT(OUT) :: kindex(iim*jjm) |
---|
1382 | LOGICAL :: check |
---|
1383 | !- |
---|
1384 | !- LOCAL |
---|
1385 | INTEGER :: i, j, ig |
---|
1386 | !- |
---|
1387 | !- |
---|
1388 | ig = 0 |
---|
1389 | i_test = 0 |
---|
1390 | j_test = 0 |
---|
1391 | !--- |
---|
1392 | IF (MINVAL(tair(:,:)) < 100.) THEN |
---|
1393 | !----- In this case the 2m temperature is in Celsius |
---|
1394 | DO j=1,jjm |
---|
1395 | DO i=1,iim |
---|
1396 | IF (tair(i,j) < 100.) THEN |
---|
1397 | ig = ig+1 |
---|
1398 | kindex(ig) = (j-1)*iim+i |
---|
1399 | ! |
---|
1400 | ! Here we find at random a land-point on which we can do |
---|
1401 | ! some printouts for test. |
---|
1402 | ! |
---|
1403 | IF (ig .GT. (iim*jjm)/2 .AND. i_test .LT. 1) THEN |
---|
1404 | i_test = i |
---|
1405 | j_test = j |
---|
1406 | IF (check) THEN |
---|
1407 | WRITE(numout,*) 'The test point chosen for output is : ', i_test, j_test |
---|
1408 | ENDIF |
---|
1409 | ENDIF |
---|
1410 | ENDIF |
---|
1411 | ENDDO |
---|
1412 | ENDDO |
---|
1413 | ELSE |
---|
1414 | !----- 2m temperature is in Kelvin |
---|
1415 | DO j=1,jjm |
---|
1416 | DO i=1,iim |
---|
1417 | IF (tair(i,j) < 500.) THEN |
---|
1418 | ig = ig+1 |
---|
1419 | kindex(ig) = (j-1)*iim+i |
---|
1420 | ! |
---|
1421 | ! Here we find at random a land-point on which we can do |
---|
1422 | ! some printouts for test. |
---|
1423 | ! |
---|
1424 | IF (ig .GT. (iim*jjm)/2 .AND. i_test .LT. 1) THEN |
---|
1425 | i_test = i |
---|
1426 | j_test = j |
---|
1427 | IF (check) THEN |
---|
1428 | WRITE(numout,*) 'The test point chosen for output is : ', i_test, j_test |
---|
1429 | ENDIF |
---|
1430 | ENDIF |
---|
1431 | ENDIF |
---|
1432 | ENDDO |
---|
1433 | ENDDO |
---|
1434 | ENDIF |
---|
1435 | !--- |
---|
1436 | nbindex = ig |
---|
1437 | !--- |
---|
1438 | END SUBROUTINE forcing_landind |
---|
1439 | !- |
---|
1440 | !===================================================================== |
---|
1441 | !- |
---|
1442 | SUBROUTINE forcing_grid(iim,jjm,llm,lon,lat,lev,levuv,init_f) |
---|
1443 | !- |
---|
1444 | !- This subroutine calculates the longitudes and latitudes of the model grid. |
---|
1445 | !- |
---|
1446 | USE parallel |
---|
1447 | IMPLICIT NONE |
---|
1448 | !- |
---|
1449 | INTEGER, INTENT(in) :: iim, jjm, llm |
---|
1450 | LOGICAL, INTENT(in) :: init_f |
---|
1451 | REAL, DIMENSION(iim,jjm), INTENT(out) :: lon, lat |
---|
1452 | REAL, DIMENSION(llm), INTENT(out) :: lev, levuv |
---|
1453 | !- |
---|
1454 | INTEGER :: i,j |
---|
1455 | REAL :: zlev, wlev |
---|
1456 | !- |
---|
1457 | LOGICAL :: debug = .FALSE. |
---|
1458 | !- |
---|
1459 | !- Should be unified one day |
---|
1460 | !- |
---|
1461 | IF ( debug ) WRITE(numout,*) 'forcing_grid : options : ', weathergen, interpol |
---|
1462 | !- |
---|
1463 | !Config Key = HEIGHT_LEV1 |
---|
1464 | !Config Desc = Height at which T and Q are given |
---|
1465 | !Config Def = 2.0 |
---|
1466 | !Config Help = The atmospheric variables (temperature and specific |
---|
1467 | !Config humidity) are measured at a specific level. |
---|
1468 | !Config The height of this level is needed to compute |
---|
1469 | !Config correctly the turbulent transfer coefficients. |
---|
1470 | !Config Look at the description of the forcing |
---|
1471 | !Config DATA for the correct value. |
---|
1472 | !- |
---|
1473 | zlev = 2.0 |
---|
1474 | CALL getin_p('HEIGHT_LEV1', zlev) |
---|
1475 | !- |
---|
1476 | !Config Key = HEIGHT_LEVW |
---|
1477 | !Config Desc = Height at which the wind is given |
---|
1478 | !Config Def = 10.0 |
---|
1479 | !Config Help = The height at which wind is needed to compute |
---|
1480 | !Config correctly the turbulent transfer coefficients. |
---|
1481 | !- |
---|
1482 | wlev = 10.0 |
---|
1483 | CALL getin_p('HEIGHT_LEVW', wlev) |
---|
1484 | !- |
---|
1485 | IF ( weathergen ) THEN |
---|
1486 | IF (init_f) THEN |
---|
1487 | DO i = 1, iim |
---|
1488 | lon(i,:) = limit_west + merid_res/2. + & |
---|
1489 | FLOAT(i-1)*(limit_east-limit_west)/FLOAT(iim) |
---|
1490 | ENDDO |
---|
1491 | !- |
---|
1492 | DO j = 1, jjm |
---|
1493 | lat(:,j) = limit_north - zonal_res/2. - & |
---|
1494 | FLOAT(j-1)*(limit_north-limit_south)/FLOAT(jjm) |
---|
1495 | ENDDO |
---|
1496 | ELSE |
---|
1497 | IF (is_root_prc) THEN |
---|
1498 | DO i = 1, iim_g |
---|
1499 | lon_g(i,:) = limit_west + merid_res/2. + & |
---|
1500 | FLOAT(i-1)*(limit_east-limit_west)/FLOAT(iim_g) |
---|
1501 | ENDDO |
---|
1502 | !- |
---|
1503 | DO j = 1, jjm_g |
---|
1504 | lat_g(:,j) = limit_north - zonal_res/2. - & |
---|
1505 | FLOAT(j-1)*(limit_north-limit_south)/FLOAT(jjm_g) |
---|
1506 | ENDDO |
---|
1507 | ELSE |
---|
1508 | ALLOCATE(lon_g(iim_g, jjm_g), lat_g(iim_g, jjm_g)) |
---|
1509 | ENDIF |
---|
1510 | CALL bcast(lon_g) |
---|
1511 | CALL bcast(lat_g) |
---|
1512 | lon=lon_g(:,jj_para_begin(mpi_rank):jj_para_end(mpi_rank)) |
---|
1513 | lat=lat_g(:,jj_para_begin(mpi_rank):jj_para_end(mpi_rank)) |
---|
1514 | ENDIF |
---|
1515 | !- |
---|
1516 | lev(:) = zlev |
---|
1517 | levuv(:) = wlev |
---|
1518 | !- |
---|
1519 | ELSEIF ( interpol ) THEN |
---|
1520 | !- |
---|
1521 | CALL forcing_zoom(lon_full, lon) |
---|
1522 | IF ( debug ) WRITE(numout,*) 'forcing_grid : out of zoom on lon' |
---|
1523 | CALL forcing_zoom(lat_full, lat) |
---|
1524 | IF ( debug ) WRITE(numout,*) 'forcing_grid : out of zoom on lat' |
---|
1525 | ! |
---|
1526 | IF ( have_zaxis ) THEN |
---|
1527 | lev(:) = lev_full(:) |
---|
1528 | levuv(:) = lev_full(:) |
---|
1529 | ELSE |
---|
1530 | lev(:) = zlev |
---|
1531 | levuv(:) = wlev |
---|
1532 | ENDIF |
---|
1533 | IF ( debug ) WRITE(numout,*) 'forcing_grid : levels : ', lev(:), levuv(:) |
---|
1534 | !- |
---|
1535 | ELSE |
---|
1536 | !- |
---|
1537 | STOP 'Neither weather generator nor temporal interpolation is specified.' |
---|
1538 | !- |
---|
1539 | ENDIF |
---|
1540 | !- |
---|
1541 | IF ( debug ) WRITE(numout,*) 'forcing_grid : ended' |
---|
1542 | !- |
---|
1543 | END SUBROUTINE forcing_grid |
---|
1544 | !- |
---|
1545 | !===================================================================== |
---|
1546 | !- |
---|
1547 | SUBROUTINE forcing_zoom(x_f, x_z) |
---|
1548 | !- |
---|
1549 | !- This subroutine takes the slab of data over which we wish to run the model. |
---|
1550 | !- |
---|
1551 | IMPLICIT NONE |
---|
1552 | !- |
---|
1553 | REAL, INTENT(IN) :: x_f(iim_full, jjm_full) |
---|
1554 | REAL, INTENT(OUT) :: x_z(iim_zoom, jjm_zoom) |
---|
1555 | !- |
---|
1556 | INTEGER :: i,j |
---|
1557 | !- |
---|
1558 | DO i=1,iim_zoom |
---|
1559 | DO j=1,jjm_zoom |
---|
1560 | x_z(i,j) = x_f(i_index(i),j_index(j)) |
---|
1561 | ENDDO |
---|
1562 | ENDDO |
---|
1563 | !- |
---|
1564 | END SUBROUTINE forcing_zoom |
---|
1565 | ! |
---|
1566 | ! --------------------------------------------------------------------- |
---|
1567 | ! |
---|
1568 | |
---|
1569 | SUBROUTINE domain_size (limit_west, limit_east, limit_north, limit_south, & |
---|
1570 | & iim_f, jjm_f, lon, lat, iim, jjm, iind, jind) |
---|
1571 | |
---|
1572 | IMPLICIT NONE |
---|
1573 | ! |
---|
1574 | ! ARGUMENTS |
---|
1575 | ! |
---|
1576 | REAL, INTENT(inout) :: limit_west,limit_east,limit_north,limit_south |
---|
1577 | INTEGER, INTENT(in) :: iim_f, jjm_f |
---|
1578 | REAL, INTENT(in) :: lon(iim_f, jjm_f), lat(iim_f, jjm_f) |
---|
1579 | INTEGER, INTENT(out) :: iim,jjm |
---|
1580 | INTEGER, INTENT(out) :: iind(iim_f), jind(jjm_f) |
---|
1581 | ! |
---|
1582 | ! LOCAL |
---|
1583 | ! |
---|
1584 | INTEGER :: i, j |
---|
1585 | REAL :: lolo |
---|
1586 | LOGICAL :: over_dateline = .FALSE. |
---|
1587 | ! |
---|
1588 | ! |
---|
1589 | IF ( ( ABS(limit_east) .GT. 180. ) .OR. & |
---|
1590 | ( ABS(limit_west) .GT. 180. ) ) THEN |
---|
1591 | WRITE(numout,*) 'Limites Ouest, Est: ',limit_west,limit_east |
---|
1592 | CALL ipslerr (3,'domain_size', & |
---|
1593 | & 'Longitudes problem.','In run.def file :', & |
---|
1594 | & 'limit_east > 180. or limit_west > 180.') |
---|
1595 | ENDIF |
---|
1596 | ! |
---|
1597 | IF ( limit_west .GT. limit_east ) over_dateline = .TRUE. |
---|
1598 | ! |
---|
1599 | IF ( ( limit_south .LT. -90. ) .OR. & |
---|
1600 | ( limit_north .GT. 90. ) .OR. & |
---|
1601 | ( limit_south .GE. limit_north ) ) THEN |
---|
1602 | WRITE(numout,*) 'Limites Nord, Sud: ',limit_north,limit_south |
---|
1603 | CALL ipslerr (3,'domain_size', & |
---|
1604 | & 'Latitudes problem.','In run.def file :', & |
---|
1605 | & 'limit_south < -90. or limit_north > 90. or limit_south >= limit_north') |
---|
1606 | ENDIF |
---|
1607 | ! |
---|
1608 | ! Here we assume that the grid of the forcing data is regular. Else we would have |
---|
1609 | ! to do more work to find the index table. |
---|
1610 | ! |
---|
1611 | iim = 0 |
---|
1612 | DO i=1,iim_f |
---|
1613 | ! |
---|
1614 | lolo = lon(i,1) |
---|
1615 | IF ( lon(i,1) .GT. 180. ) lolo = lon(i,1) - 360. |
---|
1616 | IF ( lon(i,1) .LT. -180. ) lolo = lon(i,1) + 360. |
---|
1617 | ! |
---|
1618 | IF (lon(i,1) < limit_west) iim_g_begin = i+1 |
---|
1619 | IF (lon(i,1) < limit_east) iim_g_end = i |
---|
1620 | ! |
---|
1621 | IF ( over_dateline ) THEN |
---|
1622 | IF ( lolo .LE. limit_west .OR. lolo .GE. limit_east ) THEN |
---|
1623 | iim = iim + 1 |
---|
1624 | iind(iim) = i |
---|
1625 | ENDIF |
---|
1626 | ELSE |
---|
1627 | IF ( lolo .GE. limit_west .AND. lolo .LE. limit_east ) THEN |
---|
1628 | iim = iim + 1 |
---|
1629 | iind(iim) = i |
---|
1630 | ENDIF |
---|
1631 | ENDIF |
---|
1632 | ! |
---|
1633 | ENDDO |
---|
1634 | ! |
---|
1635 | jjm = 0 |
---|
1636 | DO j=1,jjm_f |
---|
1637 | IF (lat(1,j) > limit_north) jjm_g_begin = j+1 |
---|
1638 | IF (lat(1,j) > limit_south) jjm_g_end = j |
---|
1639 | ! |
---|
1640 | IF ( lat(1,j) .GE. limit_south .AND. lat(1,j) .LE. limit_north) THEN |
---|
1641 | jjm = jjm + 1 |
---|
1642 | jind(jjm) = j |
---|
1643 | ENDIF |
---|
1644 | ENDDO |
---|
1645 | ! |
---|
1646 | WRITE(numout,*) 'Domain zoom size: iim, jjm = ', iim, jjm |
---|
1647 | END SUBROUTINE domain_size |
---|
1648 | |
---|
1649 | !------------------ |
---|
1650 | END MODULE readdim2 |
---|