1 | ! $Id: readaerosol.F90 2845 2017-04-06 16:21:59Z fcheruy $ |
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2 | ! |
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3 | MODULE readaerosol_mod |
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4 | |
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5 | REAL, SAVE :: not_valid=-333. |
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6 | |
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7 | CONTAINS |
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8 | |
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9 | SUBROUTINE readaerosol(name_aero, type, filename, iyr_in, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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10 | |
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11 | !**************************************************************************************** |
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12 | ! This routine will read the aersosol from file. |
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13 | ! |
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14 | ! Read a year data with get_aero_fromfile depending on aer_type : |
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15 | ! - actuel : read year 1980 |
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16 | ! - preind : read natural data |
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17 | ! - scenario : read one or two years and do eventually linare time interpolation |
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18 | ! |
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19 | ! Return pointer, pt_out, to the year read or result from interpolation |
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20 | !**************************************************************************************** |
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21 | USE dimphy |
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22 | USE print_control_mod, ONLY: lunout |
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23 | |
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24 | IMPLICIT NONE |
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25 | |
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26 | ! Input arguments |
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27 | CHARACTER(len=7), INTENT(IN) :: name_aero |
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28 | CHARACTER(len=*), INTENT(IN) :: type ! actuel, annuel, scenario or preind |
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29 | CHARACTER(len=8), INTENT(IN) :: filename |
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30 | INTEGER, INTENT(IN) :: iyr_in |
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31 | |
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32 | ! Output |
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33 | INTEGER, INTENT(OUT) :: klev_src |
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34 | REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels |
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35 | REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels |
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36 | REAL, POINTER, DIMENSION(:,:,:) :: pt_out ! The massvar distributions, DIMENSION(klon, klev_src, 12) |
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37 | REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf ! Surface pression for 12 months |
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38 | REAL, DIMENSION(klon,12), INTENT(OUT) :: load ! Aerosol mass load in each column for 12 months |
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39 | |
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40 | ! Local variables |
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41 | CHARACTER(len=4) :: cyear |
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42 | REAL, POINTER, DIMENSION(:,:,:) :: pt_2 |
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43 | REAL, DIMENSION(klon,12) :: psurf2, load2 |
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44 | INTEGER :: iyr1, iyr2, klev_src2 |
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45 | INTEGER :: it, k, i |
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46 | LOGICAL, PARAMETER :: lonlyone=.FALSE. |
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47 | |
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48 | !**************************************************************************************** |
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49 | ! Read data depending on aer_type |
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50 | ! |
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51 | !**************************************************************************************** |
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52 | |
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53 | IF (type == 'actuel') THEN |
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54 | ! Read and return data for year 1980 |
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55 | !**************************************************************************************** |
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56 | cyear='1980' |
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57 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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58 | ! pt_out has dimensions (klon, klev_src, 12) |
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59 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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60 | |
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61 | |
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62 | ELSE IF (type == 'preind') THEN |
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63 | ! Read and return data from file with suffix .nat |
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64 | !**************************************************************************************** |
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65 | cyear='.nat' |
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66 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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67 | ! pt_out has dimensions (klon, klev_src, 12) |
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68 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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69 | |
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70 | ELSE IF (type == 'annuel') THEN |
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71 | ! Read and return data from scenario annual files |
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72 | !**************************************************************************************** |
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73 | WRITE(cyear,'(I4)') iyr_in |
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74 | WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,' ',cyear |
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75 | ! get_aero_fromfile returns pt_out allocated and initialized with data for nbr_tsteps month |
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76 | ! pt_out has dimensions (klon, klev_src, 12) |
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77 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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78 | |
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79 | ELSE IF (type == 'scenario') THEN |
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80 | ! Read data depending on actual year and interpolate if necessary |
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81 | !**************************************************************************************** |
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82 | IF (iyr_in .LT. 1850) THEN |
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83 | cyear='.nat' |
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84 | WRITE(lunout,*) 'get_aero 1 iyr_in=', iyr_in,' ',cyear |
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85 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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86 | ! pt_out has dimensions (klon, klev_src, 12) |
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87 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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88 | |
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89 | ELSE IF (iyr_in .GE. 2100) THEN |
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90 | cyear='2100' |
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91 | WRITE(lunout,*) 'get_aero 2 iyr_in=', iyr_in,' ',cyear |
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92 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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93 | ! pt_out has dimensions (klon, klev_src, 12) |
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94 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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95 | |
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96 | ELSE |
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97 | ! Read data from 2 decades and interpolate to actual year |
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98 | ! a) from actual 10-yr-period |
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99 | IF (iyr_in.LT.1900) THEN |
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100 | iyr1 = 1850 |
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101 | iyr2 = 1900 |
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102 | ELSE IF (iyr_in.GE.1900.AND.iyr_in.LT.1920) THEN |
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103 | iyr1 = 1900 |
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104 | iyr2 = 1920 |
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105 | ELSE |
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106 | iyr1 = INT(iyr_in/10)*10 |
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107 | iyr2 = INT(1+iyr_in/10)*10 |
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108 | ENDIF |
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109 | |
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110 | WRITE(cyear,'(I4)') iyr1 |
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111 | WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,' ',cyear |
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112 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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113 | ! pt_out has dimensions (klon, klev_src, 12) |
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114 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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115 | |
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116 | ! If to read two decades: |
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117 | IF (.NOT.lonlyone) THEN |
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118 | |
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119 | ! b) from the next following one |
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120 | WRITE(cyear,'(I4)') iyr2 |
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121 | WRITE(lunout,*) 'get_aero 4 iyr_in=', iyr_in,' ',cyear |
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122 | |
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123 | NULLIFY(pt_2) |
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124 | ! get_aero_fromfile returns pt_2 allocated and initialized with data for 12 month |
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125 | ! pt_2 has dimensions (klon, klev_src, 12) |
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126 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src2, pt_ap, pt_b, pt_2, psurf2, load2) |
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127 | ! Test for same number of vertical levels |
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128 | IF (klev_src /= klev_src2) THEN |
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129 | WRITE(lunout,*) 'Two aerosols files with different number of vertical levels is not allowded' |
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130 | CALL abort_physic('readaersosol','Error in number of vertical levels',1) |
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131 | END IF |
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132 | |
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133 | ! Linare interpolate to the actual year: |
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134 | DO it=1,12 |
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135 | DO k=1,klev_src |
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136 | DO i = 1, klon |
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137 | pt_out(i,k,it) = & |
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138 | pt_out(i,k,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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139 | (pt_out(i,k,it) - pt_2(i,k,it)) |
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140 | END DO |
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141 | END DO |
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142 | |
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143 | DO i = 1, klon |
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144 | psurf(i,it) = & |
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145 | psurf(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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146 | (psurf(i,it) - psurf2(i,it)) |
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147 | |
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148 | load(i,it) = & |
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149 | load(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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150 | (load(i,it) - load2(i,it)) |
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151 | END DO |
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152 | END DO |
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153 | |
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154 | ! Deallocate pt_2 no more needed |
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155 | DEALLOCATE(pt_2) |
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156 | |
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157 | END IF ! lonlyone |
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158 | END IF ! iyr_in .LT. 1850 |
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159 | |
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160 | ELSE |
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161 | WRITE(lunout,*)'This option is not implemented : aer_type = ', type,' name_aero=',name_aero |
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162 | CALL abort_physic('readaerosol','Error : aer_type parameter not accepted',1) |
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163 | END IF ! type |
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164 | |
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165 | |
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166 | END SUBROUTINE readaerosol |
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167 | |
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168 | |
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169 | SUBROUTINE get_aero_fromfile(varname, cyr, filename, klev_src, pt_ap, pt_b, pt_year, psurf_out, load_out) |
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170 | !**************************************************************************************** |
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171 | ! Read 12 month aerosol from file and distribute to local process on physical grid. |
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172 | ! Vertical levels, klev_src, may differ from model levels if new file format. |
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173 | ! |
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174 | ! For mpi_root and master thread : |
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175 | ! 1) Open file |
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176 | ! 2) Find vertical dimension klev_src |
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177 | ! 3) Read field month by month |
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178 | ! 4) Close file |
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179 | ! 5) Transform the global field from 2D(nbp_lon,nbp_lat) to 1D(klon_glo) |
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180 | ! - Also the levels and the latitudes have to be inversed |
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181 | ! |
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182 | ! For all processes and threads : |
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183 | ! 6) Scatter global field(klon_glo) to local process domain(klon) |
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184 | ! 7) Test for negative values |
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185 | !**************************************************************************************** |
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186 | |
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187 | USE netcdf |
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188 | USE dimphy |
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189 | USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat, klon_glo, & |
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190 | grid2Dto1D_glo |
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191 | USE mod_phys_lmdz_para |
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192 | USE iophy, ONLY : io_lon, io_lat |
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193 | USE print_control_mod, ONLY: lunout |
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194 | |
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195 | IMPLICIT NONE |
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196 | |
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197 | ! Input argumets |
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198 | CHARACTER(len=7), INTENT(IN) :: varname |
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199 | CHARACTER(len=4), INTENT(IN) :: cyr |
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200 | CHARACTER(len=8), INTENT(IN) :: filename |
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201 | |
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202 | ! Output arguments |
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203 | INTEGER, INTENT(OUT) :: klev_src ! Number of vertical levels in file |
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204 | REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels |
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205 | REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels |
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206 | REAL, POINTER, DIMENSION(:,:,:) :: pt_year ! Pointer-variabale from file, 12 month, grid : klon,klev_src |
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207 | REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf_out ! Surface pression for 12 months |
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208 | REAL, DIMENSION(klon,12), INTENT(OUT) :: load_out ! Aerosol mass load in each column |
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209 | INTEGER :: nbr_tsteps ! number of month in file read |
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210 | |
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211 | ! Local variables |
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212 | CHARACTER(len=30) :: fname |
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213 | CHARACTER(len=30) :: cvar |
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214 | INTEGER :: ncid, dimid, varid |
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215 | INTEGER :: imth, i, j, k, ierr |
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216 | REAL :: npole, spole |
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217 | REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varmth |
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218 | REAL, ALLOCATABLE, DIMENSION(:,:,:,:) :: varyear ! Global variable read from file, 12 month |
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219 | REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varyear_glo1D !(klon_glo, klev_src, 12) |
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220 | REAL, ALLOCATABLE, DIMENSION(:) :: varktmp |
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221 | |
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222 | REAL, DIMENSION(nbp_lon,nbp_lat,12) :: psurf_glo2D ! Surface pression for 12 months on dynamics global grid |
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223 | REAL, DIMENSION(klon_glo,12) :: psurf_glo1D ! -"- on physical global grid |
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224 | REAL, DIMENSION(nbp_lon,nbp_lat,12) :: load_glo2D ! Load for 12 months on dynamics global grid |
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225 | REAL, DIMENSION(klon_glo,12) :: load_glo1D ! -"- on physical global grid |
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226 | REAL, DIMENSION(nbp_lon,nbp_lat) :: vartmp |
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227 | REAL, DIMENSION(nbp_lon) :: lon_src ! longitudes in file |
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228 | REAL, DIMENSION(nbp_lat) :: lat_src, lat_src_inv ! latitudes in file |
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229 | LOGICAL :: new_file ! true if new file format detected |
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230 | LOGICAL :: invert_lat ! true if the field has to be inverted for latitudes |
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231 | |
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232 | |
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233 | ! Deallocate pointers |
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234 | IF (ASSOCIATED(pt_ap)) DEALLOCATE(pt_ap) |
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235 | IF (ASSOCIATED(pt_b)) DEALLOCATE(pt_b) |
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236 | |
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237 | IF (is_mpi_root .AND. is_omp_root) THEN |
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238 | |
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239 | ! 1) Open file |
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240 | !**************************************************************************************** |
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241 | ! Add suffix to filename |
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242 | fname = trim(filename)//cyr//'.nc' |
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243 | |
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244 | WRITE(lunout,*) 'reading variable ',TRIM(varname),' in file ', TRIM(fname) |
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245 | CALL check_err( nf90_open(TRIM(fname), NF90_NOWRITE, ncid), "pb open "//trim(fname) ) |
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246 | |
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247 | ! Test for equal longitudes and latitudes in file and model |
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248 | !**************************************************************************************** |
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249 | ! Read and test longitudes |
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250 | CALL check_err( nf90_inq_varid(ncid, 'lon', varid),"pb inq lon" ) |
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251 | CALL check_err( nf90_get_var(ncid, varid, lon_src(:)),"pb get lon" ) |
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252 | |
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253 | IF (maxval(ABS(lon_src - io_lon)) > 0.001) THEN |
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254 | WRITE(lunout,*) 'Problem in longitudes read from file : ',TRIM(fname) |
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255 | WRITE(lunout,*) 'longitudes in file ', TRIM(fname),' : ', lon_src |
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256 | WRITE(lunout,*) 'longitudes in model :', io_lon |
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257 | |
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258 | CALL abort_physic('get_aero_fromfile', 'longitudes are not the same in file and model',1) |
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259 | END IF |
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260 | |
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261 | ! Read and test latitudes |
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262 | CALL check_err( nf90_inq_varid(ncid, 'lat', varid),"pb inq lat" ) |
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263 | CALL check_err( nf90_get_var(ncid, varid, lat_src(:)),"pb get lat" ) |
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264 | |
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265 | ! Invert source latitudes |
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266 | DO j = 1, nbp_lat |
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267 | lat_src_inv(j) = lat_src(nbp_lat +1 -j) |
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268 | END DO |
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269 | |
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270 | IF (maxval(ABS(lat_src - io_lat)) < 0.001) THEN |
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271 | ! Latitudes are the same |
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272 | invert_lat=.FALSE. |
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273 | ELSE IF (maxval(ABS(lat_src_inv - io_lat)) < 0.001) THEN |
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274 | ! Inverted source latitudes correspond to model latitudes |
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275 | WRITE(lunout,*) 'latitudes will be inverted for file : ',TRIM(fname) |
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276 | invert_lat=.TRUE. |
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277 | ELSE |
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278 | WRITE(lunout,*) 'Problem in latitudes read from file : ',TRIM(fname) |
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279 | WRITE(lunout,*) 'latitudes in file ', TRIM(fname),' : ', lat_src |
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280 | WRITE(lunout,*) 'latitudes in model :', io_lat |
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281 | CALL abort_physic('get_aero_fromfile', 'latitudes do not correspond between file and model',1) |
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282 | END IF |
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283 | |
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284 | |
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285 | ! 2) Check if old or new file is avalabale. |
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286 | ! New type of file should contain the dimension 'lev' |
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287 | ! Old type of file should contain the dimension 'PRESNIVS' |
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288 | !**************************************************************************************** |
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289 | ierr = nf90_inq_dimid(ncid, 'lev', dimid) |
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290 | IF (ierr /= NF90_NOERR) THEN |
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291 | ! Coordinate axe lev not found. Check for presnivs. |
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292 | ierr = nf90_inq_dimid(ncid, 'presnivs', dimid) |
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293 | IF (ierr /= NF90_NOERR) THEN |
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294 | ierr = nf90_inq_dimid(ncid, 'PRESNIVS', dimid) |
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295 | IF (ierr /= NF90_NOERR) THEN |
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296 | ! Dimension PRESNIVS not found either |
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297 | CALL abort_physic('get_aero_fromfile', 'dimension lev,PRESNIVS or presnivs not in file',1) |
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298 | ELSE |
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299 | ! Old file found |
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300 | new_file=.FALSE. |
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301 | WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will not be done' |
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302 | END IF |
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303 | ELSE |
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304 | ! New file found |
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305 | new_file=.TRUE. |
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306 | WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will be done' |
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307 | ENDIF |
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308 | ELSE |
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309 | ! New file found |
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310 | new_file=.TRUE. |
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311 | WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will be done' |
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312 | END IF |
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313 | |
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314 | ! 2) Find vertical dimension klev_src |
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315 | !**************************************************************************************** |
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316 | CALL check_err( nf90_inquire_dimension(ncid, dimid, len = klev_src),"pb inq dim for PRESNIVS or lev" ) |
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317 | |
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318 | ! Allocate variables depending on the number of vertical levels |
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319 | ALLOCATE(varmth(nbp_lon,nbp_lat, klev_src), varyear(nbp_lon,nbp_lat, klev_src, 12), stat=ierr) |
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320 | IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 1',1) |
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321 | |
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322 | ALLOCATE(pt_ap(klev_src), pt_b(klev_src), varktmp(klev_src), stat=ierr) |
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323 | IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 2',1) |
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324 | |
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325 | ! 3) Read all variables from file |
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326 | ! There is 2 options for the file structure : |
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327 | ! new_file=TRUE : read varyear, ps, pt_ap and pt_b |
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328 | ! new_file=FALSE : read varyear month by month |
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329 | !**************************************************************************************** |
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330 | |
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331 | IF (new_file) THEN |
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332 | ! ++) Check number of month in file opened |
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333 | !************************************************************************************************** |
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334 | ierr = nf90_inq_dimid(ncid, 'TIME',dimid) |
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335 | if (ierr /= NF90_NOERR) THEN |
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336 | ierr = nf90_inq_dimid(ncid, 'time_counter', dimid) |
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337 | ENDIF |
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338 | CALL check_err( nf90_inquire_dimension(ncid, dimid, len = nbr_tsteps),"pb inq dim TIME or time_counter" ) |
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339 | ! IF (nbr_tsteps /= 12 .AND. nbr_tsteps /= 14) THEN |
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340 | IF (nbr_tsteps /= 12 ) THEN |
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341 | CALL abort_physic('get_aero_fromfile', 'not the right number of months in aerosol file read (should be 12 for the moment)' & |
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342 | ,1) |
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343 | ENDIF |
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344 | |
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345 | ! ++) Read the aerosol concentration month by month and concatenate to total variable varyear |
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346 | !**************************************************************************************** |
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347 | ! Get variable id |
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348 | !CALL check_err( nf90_inq_varid(ncid, TRIM(varname), varid),"pb inq var "//TRIM(varname) ) |
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349 | print *,'readaerosol ', TRIM(varname) |
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350 | IF ( nf90_inq_varid(ncid, TRIM(varname), varid) /= NF90_NOERR ) THEN |
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351 | ! Variable is not there |
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352 | WRITE(lunout,*) 'Attention '//TRIM(varname)//' is not in aerosol input file' |
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353 | varyear(:,:,:,:)=0.0 |
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354 | ELSE |
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355 | ! Get the variable |
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356 | CALL check_err( nf90_get_var(ncid, varid, varyear(:,:,:,:)),"pb get var "//TRIM(varname) ) |
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357 | ENDIF |
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358 | |
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359 | ! ++) Read surface pression, 12 month in one variable |
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360 | !**************************************************************************************** |
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361 | ! Get variable id |
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362 | CALL check_err( nf90_inq_varid(ncid, "ps", varid),"pb inq var ps" ) |
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363 | ! Get the variable |
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364 | CALL check_err( nf90_get_var(ncid, varid, psurf_glo2D),"pb get var ps" ) |
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365 | |
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366 | ! ++) Read mass load, 12 month in one variable |
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367 | !**************************************************************************************** |
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368 | ! Get variable id |
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369 | !CALL check_err( nf90_inq_varid(ncid, "load_"//TRIM(varname), varid) ,"pb inq var load_"//TRIM(varname)) |
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370 | IF ( nf90_inq_varid(ncid, "load_"//TRIM(varname), varid) /= NF90_NOERR ) THEN |
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371 | WRITE(lunout,*) 'Attention load_'//TRIM(varname)//' is not in aerosol input file' |
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372 | load_glo2D(:,:,:)=0.0 |
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373 | ELSE |
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374 | ! Get the variable |
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375 | CALL check_err( nf90_get_var(ncid, varid, load_glo2D),"pb get var load_"//TRIM(varname) ) |
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376 | ENDIF |
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377 | |
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378 | ! ++) Read ap |
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379 | !**************************************************************************************** |
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380 | ! Get variable id |
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381 | CALL check_err( nf90_inq_varid(ncid, "ap", varid),"pb inq var ap" ) |
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382 | ! Get the variable |
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383 | CALL check_err( nf90_get_var(ncid, varid, pt_ap),"pb get var ap" ) |
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384 | |
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385 | ! ++) Read b |
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386 | !**************************************************************************************** |
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387 | ! Get variable id |
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388 | CALL check_err( nf90_inq_varid(ncid, "b", varid),"pb inq var b" ) |
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389 | ! Get the variable |
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390 | CALL check_err( nf90_get_var(ncid, varid, pt_b),"pb get var b" ) |
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391 | |
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392 | |
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393 | |
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394 | ELSE ! old file |
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395 | |
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396 | ! ++) Read the aerosol concentration month by month and concatenate to total variable varyear |
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397 | !**************************************************************************************** |
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398 | DO imth=1, 12 |
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399 | IF (imth.EQ.1) THEN |
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400 | cvar=TRIM(varname)//'JAN' |
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401 | ELSE IF (imth.EQ.2) THEN |
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402 | cvar=TRIM(varname)//'FEB' |
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403 | ELSE IF (imth.EQ.3) THEN |
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404 | cvar=TRIM(varname)//'MAR' |
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405 | ELSE IF (imth.EQ.4) THEN |
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406 | cvar=TRIM(varname)//'APR' |
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407 | ELSE IF (imth.EQ.5) THEN |
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408 | cvar=TRIM(varname)//'MAY' |
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409 | ELSE IF (imth.EQ.6) THEN |
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410 | cvar=TRIM(varname)//'JUN' |
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411 | ELSE IF (imth.EQ.7) THEN |
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412 | cvar=TRIM(varname)//'JUL' |
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413 | ELSE IF (imth.EQ.8) THEN |
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414 | cvar=TRIM(varname)//'AUG' |
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415 | ELSE IF (imth.EQ.9) THEN |
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416 | cvar=TRIM(varname)//'SEP' |
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417 | ELSE IF (imth.EQ.10) THEN |
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418 | cvar=TRIM(varname)//'OCT' |
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419 | ELSE IF (imth.EQ.11) THEN |
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420 | cvar=TRIM(varname)//'NOV' |
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421 | ELSE IF (imth.EQ.12) THEN |
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422 | cvar=TRIM(varname)//'DEC' |
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423 | END IF |
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424 | |
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425 | ! Get variable id |
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426 | CALL check_err( nf90_inq_varid(ncid, TRIM(cvar), varid),"pb inq var "//TRIM(cvar) ) |
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427 | |
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428 | ! Get the variable |
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429 | CALL check_err( nf90_get_var(ncid, varid, varmth),"pb get var "//TRIM(cvar) ) |
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430 | |
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431 | ! Store in variable for the whole year |
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432 | varyear(:,:,:,imth)=varmth(:,:,:) |
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433 | |
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434 | END DO |
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435 | |
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436 | ! Putting dummy |
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437 | psurf_glo2D(:,:,:) = not_valid |
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438 | load_glo2D(:,:,:) = not_valid |
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439 | pt_ap(:) = not_valid |
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440 | pt_b(:) = not_valid |
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441 | |
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442 | END IF |
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443 | |
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444 | ! 4) Close file |
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445 | !**************************************************************************************** |
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446 | CALL check_err( nf90_close(ncid),"pb in close" ) |
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447 | |
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448 | |
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449 | ! 5) Transform the global field from 2D(nbp_lon,nbp_lat) to 1D(klon_glo) |
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450 | !**************************************************************************************** |
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451 | ! Test if vertical levels have to be inversed |
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452 | |
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453 | IF ((pt_b(1) < pt_b(klev_src)) .OR. .NOT. new_file) THEN |
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454 | ! WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' needs to be inverted' |
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455 | ! WRITE(lunout,*) 'before pt_ap = ', pt_ap |
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456 | ! WRITE(lunout,*) 'before pt_b = ', pt_b |
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457 | |
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458 | ! Inverse vertical levels for varyear |
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459 | DO imth=1, 12 |
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460 | varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly |
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461 | DO k=1, klev_src |
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462 | DO j=1, nbp_lat |
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463 | DO i=1, nbp_lon |
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464 | varyear(i,j,k,imth) = varmth(i,j,klev_src+1-k) |
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465 | END DO |
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466 | END DO |
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467 | END DO |
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468 | END DO |
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469 | |
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470 | ! Inverte vertical axes for pt_ap and pt_b |
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471 | varktmp(:) = pt_ap(:) |
---|
472 | DO k=1, klev_src |
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473 | pt_ap(k) = varktmp(klev_src+1-k) |
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474 | END DO |
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475 | |
---|
476 | varktmp(:) = pt_b(:) |
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477 | DO k=1, klev_src |
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478 | pt_b(k) = varktmp(klev_src+1-k) |
---|
479 | END DO |
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480 | WRITE(lunout,*) 'after pt_ap = ', pt_ap |
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481 | WRITE(lunout,*) 'after pt_b = ', pt_b |
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482 | |
---|
483 | ELSE |
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484 | WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' is ok, no vertical inversion is done' |
---|
485 | WRITE(lunout,*) 'pt_ap = ', pt_ap |
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486 | WRITE(lunout,*) 'pt_b = ', pt_b |
---|
487 | END IF |
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488 | |
---|
489 | ! - Invert latitudes if necessary |
---|
490 | DO imth=1, 12 |
---|
491 | IF (invert_lat) THEN |
---|
492 | |
---|
493 | ! Invert latitudes for the variable |
---|
494 | varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly |
---|
495 | DO k=1,klev_src |
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496 | DO j=1,nbp_lat |
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497 | DO i=1,nbp_lon |
---|
498 | varyear(i,j,k,imth) = varmth(i,nbp_lat+1-j,k) |
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499 | END DO |
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500 | END DO |
---|
501 | END DO |
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502 | |
---|
503 | ! Invert latitudes for surface pressure |
---|
504 | vartmp(:,:) = psurf_glo2D(:,:,imth) |
---|
505 | DO j=1,nbp_lat |
---|
506 | DO i=1,nbp_lon |
---|
507 | psurf_glo2D(i,j,imth)= vartmp(i,nbp_lat+1-j) |
---|
508 | END DO |
---|
509 | END DO |
---|
510 | |
---|
511 | ! Invert latitudes for the load |
---|
512 | vartmp(:,:) = load_glo2D(:,:,imth) |
---|
513 | DO j=1,nbp_lat |
---|
514 | DO i=1,nbp_lon |
---|
515 | load_glo2D(i,j,imth)= vartmp(i,nbp_lat+1-j) |
---|
516 | END DO |
---|
517 | END DO |
---|
518 | END IF ! invert_lat |
---|
519 | |
---|
520 | ! Do zonal mead at poles and distribut at whole first and last latitude |
---|
521 | DO k=1, klev_src |
---|
522 | npole=0. ! North pole, j=1 |
---|
523 | spole=0. ! South pole, j=nbp_lat |
---|
524 | DO i=1,nbp_lon |
---|
525 | npole = npole + varyear(i,1,k,imth) |
---|
526 | spole = spole + varyear(i,nbp_lat,k,imth) |
---|
527 | END DO |
---|
528 | npole = npole/REAL(nbp_lon) |
---|
529 | spole = spole/REAL(nbp_lon) |
---|
530 | varyear(:,1, k,imth) = npole |
---|
531 | varyear(:,nbp_lat,k,imth) = spole |
---|
532 | END DO |
---|
533 | END DO ! imth |
---|
534 | |
---|
535 | ALLOCATE(varyear_glo1D(klon_glo, klev_src, 12), stat=ierr) |
---|
536 | IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 3',1) |
---|
537 | |
---|
538 | ! Transform from 2D to 1D field |
---|
539 | CALL grid2Dto1D_glo(varyear,varyear_glo1D) |
---|
540 | CALL grid2Dto1D_glo(psurf_glo2D,psurf_glo1D) |
---|
541 | CALL grid2Dto1D_glo(load_glo2D,load_glo1D) |
---|
542 | |
---|
543 | ELSE |
---|
544 | ALLOCATE(varyear_glo1D(0,0,0)) |
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545 | END IF ! is_mpi_root .AND. is_omp_root |
---|
546 | |
---|
547 | !$OMP BARRIER |
---|
548 | |
---|
549 | ! 6) Distribute to all processes |
---|
550 | ! Scatter global field(klon_glo) to local process domain(klon) |
---|
551 | ! and distribute klev_src to all processes |
---|
552 | !**************************************************************************************** |
---|
553 | |
---|
554 | ! Distribute klev_src |
---|
555 | CALL bcast(klev_src) |
---|
556 | |
---|
557 | ! Allocate and distribute pt_ap and pt_b |
---|
558 | IF (.NOT. ASSOCIATED(pt_ap)) THEN ! if pt_ap is allocated also pt_b is allocated |
---|
559 | ALLOCATE(pt_ap(klev_src), pt_b(klev_src), stat=ierr) |
---|
560 | IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 4',1) |
---|
561 | END IF |
---|
562 | CALL bcast(pt_ap) |
---|
563 | CALL bcast(pt_b) |
---|
564 | |
---|
565 | ! Allocate space for output pointer variable at local process |
---|
566 | IF (ASSOCIATED(pt_year)) DEALLOCATE(pt_year) |
---|
567 | ALLOCATE(pt_year(klon, klev_src, 12), stat=ierr) |
---|
568 | IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 5',1) |
---|
569 | |
---|
570 | ! Scatter global field to local domain at local process |
---|
571 | CALL scatter(varyear_glo1D, pt_year) |
---|
572 | CALL scatter(psurf_glo1D, psurf_out) |
---|
573 | CALL scatter(load_glo1D, load_out) |
---|
574 | |
---|
575 | ! 7) Test for negative values |
---|
576 | !**************************************************************************************** |
---|
577 | IF (MINVAL(pt_year) < 0.) THEN |
---|
578 | WRITE(lunout,*) 'Warning! Negative values read from file :', fname |
---|
579 | END IF |
---|
580 | |
---|
581 | END SUBROUTINE get_aero_fromfile |
---|
582 | |
---|
583 | |
---|
584 | SUBROUTINE check_err(status,text) |
---|
585 | USE netcdf |
---|
586 | USE print_control_mod, ONLY: lunout |
---|
587 | IMPLICIT NONE |
---|
588 | |
---|
589 | INTEGER, INTENT (IN) :: status |
---|
590 | CHARACTER(len=*), INTENT (IN), OPTIONAL :: text |
---|
591 | |
---|
592 | IF (status /= NF90_NOERR) THEN |
---|
593 | WRITE(lunout,*) 'Error in get_aero_fromfile, netcdf error code = ',status |
---|
594 | IF (PRESENT(text)) THEN |
---|
595 | WRITE(lunout,*) 'Error in get_aero_fromfile : ',text |
---|
596 | END IF |
---|
597 | CALL abort_physic('get_aero_fromfile',trim(nf90_strerror(status)),1) |
---|
598 | END IF |
---|
599 | |
---|
600 | END SUBROUTINE check_err |
---|
601 | |
---|
602 | |
---|
603 | END MODULE readaerosol_mod |
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