1 | %
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2 |
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3 | %%%%%%%%%%%%%%% FICHIER pluie IRD
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4 | % ouverture / lecture du fichier
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5 | clear;
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6 | close all;
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7 | cd('Pluie_ird');
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8 |
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9 | % on selectionne les mois d ete (attention aux annees bixestiles!)
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10 |
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11 | siz1=31+28+31+30+31+1;
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12 | siz1bis=31+28+31+30+31+30+31+31+30;
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13 | pluie=zeros(47,24,122,12);
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14 |
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15 | clear v fid; fid=fopen('daily1.79.rain','r'); siz=47*24*365;
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16 | v=fread(fid,siz,'float'); fclose(fid);
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17 | v=reshape(v,47,24,365);
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18 | clear a b c;
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19 | for a=1:47;
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20 | for b=1:24;
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21 | for c=1:365;
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22 | if v(a,b,c)>99;
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23 | v(a,b,c)=NaN;
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24 | elseif v(a,b,c)<0;
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25 | v(a,b,c)=NaN;
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26 | end;
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27 | end;
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28 | end;
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29 | end;
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30 | pluie(:,:,:,1)=v(:,:,siz1:siz1bis); % 1979
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31 |
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32 | clear v fid; fid=fopen('daily1.80.rain','r'); siz=47*24*366;
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33 | v=fread(fid,siz,'float'); fclose(fid);
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34 | v=reshape(v,47,24,366);
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35 | clear a b c;
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36 | for a=1:47;
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37 | for b=1:24;
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38 | for c=1:366;
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39 | if v(a,b,c)>99;
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40 | v(a,b,c)=NaN;
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41 | elseif v(a,b,c)<0;
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42 | v(a,b,c)=NaN;
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43 | end;
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44 | end;
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45 | end;
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46 | end;
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47 | pluie(:,:,:,2)=v(:,:,siz1+1:siz1bis+1); % 1980
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48 |
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49 | clear v fid; fid=fopen('daily1.81.rain','r'); siz=47*24*365;
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50 | v=fread(fid,siz,'float'); fclose(fid);
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51 | v=reshape(v,47,24,365);
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52 | clear a b c;
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53 | for a=1:47;
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54 | for b=1:24;
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55 | for c=1:365;
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56 | if v(a,b,c)>99;
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57 | v(a,b,c)=NaN;
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58 | elseif v(a,b,c)<0;
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59 | v(a,b,c)=NaN;
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60 | end;
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61 | end;
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62 | end;
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63 | end;
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64 | pluie(:,:,:,3)=v(:,:,siz1:siz1bis); % 1981
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65 |
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66 | clear v fid; fid=fopen('daily1.82.rain','r'); siz=47*24*365;
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67 | v=fread(fid,siz,'float'); fclose(fid);
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68 | v=reshape(v,47,24,365);
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69 | clear a b c;
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70 | for a=1:47;
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71 | for b=1:24;
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72 | for c=1:365;
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73 | if v(a,b,c)>99;
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74 | v(a,b,c)=NaN;
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75 | elseif v(a,b,c)<0;
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76 | v(a,b,c)=NaN;
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77 | end;
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78 | end;
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79 | end;
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80 | end;
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81 | pluie(:,:,:,4)=v(:,:,siz1:siz1bis); % 1982
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82 |
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83 | clear v fid; fid=fopen('daily1.83.rain','r'); siz=47*24*365;
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84 | v=fread(fid,siz,'float'); fclose(fid);
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85 | v=reshape(v,47,24,365);
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86 | clear a b c;
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87 | for a=1:47;
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88 | for b=1:24;
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89 | for c=1:365;
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90 | if v(a,b,c)>99;
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91 | v(a,b,c)=NaN;
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92 | elseif v(a,b,c)<0;
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93 | v(a,b,c)=NaN;
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94 | end;
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95 | end;
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96 | end;
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97 | end;
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98 |
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99 |
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100 | pluie(:,:,:,5)=v(:,:,siz1:siz1bis); % 1983
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101 |
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102 | clear v fid; fid=fopen('daily1.84.rain','r'); siz=47*24*366;
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103 | v=fread(fid,siz,'float'); fclose(fid);
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104 | v=reshape(v,47,24,366);
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105 | clear a b c;
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106 | for a=1:47;
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107 | for b=1:24;
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108 | for c=1:366;
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109 | if v(a,b,c)==999.99;
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110 | v(a,b,c)=NaN;
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111 | elseif v(a,b,c)<0;
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112 | v(a,b,c)=NaN;
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113 | end;
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114 | end;
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115 | end;
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116 | end;
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117 | pluie(:,:,:,6)=v(:,:,siz1+1:siz1bis+1); % 1984
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118 |
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119 | clear v fid; fid=fopen('daily1.85.rain','r'); siz=47*24*365;
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120 | v=fread(fid,siz,'float'); fclose(fid);
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121 | v=reshape(v,47,24,365);
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122 | clear a b c;
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123 | for a=1:47;
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124 | for b=1:24;
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125 | for c=1:366;
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126 | if v(a,b,c)==999.99;
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127 | v(a,b,c)=NaN;
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128 | elseif v(a,b,c)<0;
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129 | v(a,b,c)=NaN;
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130 | end;
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131 | end;
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132 | end;
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133 | end;
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134 | pluie(:,:,:,7)=v(:,:,siz1:siz1bis); % 1985
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135 |
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136 | clear v fid; fid=fopen('daily1.86.rain','r'); siz=47*24*365;
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137 | v=fread(fid,siz,'float'); fclose(fid);
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138 | v=reshape(v,47,24,365);
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139 | clear a b c;
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140 | for a=1:47;
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141 | for b=1:24;
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142 | for c=1:365;
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143 | if v(a,b,c)==999.99;
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144 | v(a,b,c)=NaN;
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145 | elseif v(a,b,c)<0;
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146 | v(a,b,c)=NaN;
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147 | end;
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148 | end;
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149 | end;
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150 | end;
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151 | pluie(:,:,:,8)=v(:,:,siz1:siz1bis); % 1986
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152 |
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153 | clear v fid; fid=fopen('daily1.87.rain','r'); siz=47*24*365;
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154 | v=fread(fid,siz,'float'); fclose(fid);
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155 | v=reshape(v,47,24,365);
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156 | clear a b c;
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157 | for a=1:47;
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158 | for b=1:24;
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159 | for c=1:365;
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160 | if v(a,b,c)==999.99;
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161 | v(a,b,c)=NaN;
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162 | elseif v(a,b,c)<0;
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163 | v(a,b,c)=NaN;
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164 | end;
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165 | end;
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166 | end;
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167 | end;
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168 | pluie(:,:,:,9)=v(:,:,siz1:siz1bis); % 1987
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169 |
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170 | clear v fid; fid=fopen('daily1.88.rain','r'); siz=47*24*366;
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171 | v=fread(fid,siz,'float'); fclose(fid);
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172 | v=reshape(v,47,24,366);
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173 | clear a b c;
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174 | for a=1:47;
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175 | for b=1:24;
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176 | for c=1:366;
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177 | if v(a,b,c)==999.99;
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178 | v(a,b,c)=NaN;
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179 | elseif v(a,b,c)<0;
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180 | v(a,b,c)=NaN;
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181 | end;
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182 | end;
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183 | end;
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184 | end;
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185 | pluie(:,:,:,10)=v(:,:,siz1:siz1bis); % 1988
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186 |
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187 | clear v fid; fid=fopen('daily1.89.rain','r'); siz=47*24*365;
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188 | v=fread(fid,siz,'float'); fclose(fid);
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189 | v=reshape(v,47,24,365);
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190 | clear a b c;
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191 | for a=1:47;
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192 | for b=1:24;
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193 | for c=1:365;
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194 | if v(a,b,c)==999.99;
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195 | v(a,b,c)=NaN;
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196 | elseif v(a,b,c)<0;
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197 | v(a,b,c)=NaN;
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198 | end;
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199 | end;
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200 | end;
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201 | end;
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202 | pluie(:,:,:,11)=v(:,:,siz1:siz1bis); % 1989
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203 |
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204 | clear v fid; fid=fopen('daily1.90.rain','r'); siz=47*24*365;
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205 | v=fread(fid,siz,'float'); fclose(fid);
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206 | v=reshape(v,47,24,365);
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207 | clear a b c;
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208 | for a=1:47;
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209 | for b=1:24;
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210 | for c=1:365;
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211 | if v(a,b,c)==999.99;
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212 | v(a,b,c)=NaN;
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213 | elseif v(a,b,c)<0;
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214 | v(a,b,c)=NaN;
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215 | end;
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216 | end;
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217 | end;
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218 | end;
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219 | pluie(:,:,:,12)=v(:,:,siz1:siz1bis); % 1990
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220 |
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221 | clear siz sizbis;
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222 | clear v;
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223 | cd('..');
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224 | % essai de visualisation d'une carte de pluie annuelle
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225 | orient('landscape');
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226 | lat=[0:23];
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227 | lon=[-20:26]';
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228 | for a=1:12;
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229 | subplot(3,4,a);
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230 | clear v;
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231 | v(:,:,:)=pluie(:,:,:,a);
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232 | v=permute(v,[3 2 1]);
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233 | v1(:,:)=nansum(v);
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234 | contourf(lon,lat,v1);
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235 | colorbar;
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236 | hold on;
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237 | cartemonde;
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238 | axis([-20 26 0 23]);
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239 | end;
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