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1 ; *********************************************** |
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2 ; interpolate into 0.25degree |
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3 ; no change in lat and lon, to be in consistent with |
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4 ; land class data |
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5 ; *********************************************** |
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6 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl" |
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7 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl" |
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8 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" |
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9 ;************************************************ |
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10 begin |
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11 |
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12 year = 2003 |
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13 |
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14 ;************************************************ |
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15 ; output data |
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16 ;************************************************ |
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17 diro = "/fis/cgd/cseg/people/jeff/clamp_data/lai/" |
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18 filo = "LAI_2000-2005_mean_0.25.nc" |
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19 c = addfile(diro+filo,"c") |
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20 filedimdef(c,"time",-1,True) |
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21 |
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22 ;************************************************ |
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23 ; read in observed data |
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24 ;************************************************ |
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25 diri = "/fis/cgd/cseg/people/jeff/clamp_data/lai/" |
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26 ; fili = "LAI_2000-2005_mean_0.05deg.nc" |
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27 fili = "LAI_2000-2005_ensemble_0.05deg.nc" |
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28 g = addfile (diri+fili,"r") |
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29 bi = g->LAI |
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30 xi = g->lon |
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31 yi = g->lat |
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32 |
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33 ;************************************************ |
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34 ; change into 0-360E, 90S-90N |
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35 ; Observed NPP*scale_factor |
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36 ;************************************************ |
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37 |
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38 yi = (/ yi(::-1) /) |
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39 bi = (/ bi(:,::-1,:) /) |
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40 printVarSummary(bi) |
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41 |
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42 b2 = bi |
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43 x2 = xi |
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44 |
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45 nx = dimsizes(xi) |
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46 do i= 0,nx-1 |
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47 if (i .lt. 3600) then |
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48 p = i + 3600 |
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49 xi(p) = x2(i) + 360. |
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50 else |
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51 p = i - 3600 |
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52 xi(p) = x2(i) |
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53 end if |
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54 bi(:,:,p)= b2(:,:,i) |
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55 end do |
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56 |
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57 bi&lat = yi |
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58 bi&lon = xi |
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59 |
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60 ;print (xi) |
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61 ;print (yi) |
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62 ;exit |
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63 |
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64 ;************************************************ |
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65 ; read in model data |
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66 ;************************************************ |
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67 ;fili2 = "i01.03cn_1545-1569_ANN_climo.nc" |
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68 fili2 = "" |
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69 f = addfile (diri+fili2,"r") |
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70 |
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71 lon = f->lon |
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72 lat = f->lat |
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73 nlon = dimsizes(lon) |
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74 nlat = dimsizes(lat) |
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75 |
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76 ; print (xi) |
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77 ; print (yi) |
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78 ; print (xo) |
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79 ; print (yo) |
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80 |
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81 ;(A) |
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82 ;bo = linint2_Wrap(xi,yi,bi,True,xo,yo,0) |
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83 |
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84 ;(B) |
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85 |
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86 ; rad = 4.*atan(1.)/180. |
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87 ; clat = lat |
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88 ; clat = cos(lat*rad) |
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89 ; clat@long_name = "cos(latitude)" |
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90 ; delete(clat@units) |
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91 ; printVarSummary(clat) |
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92 |
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93 bo = new((/12,nlat,nlon/),float) |
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94 ;bo = new((/1,nlat,nlon/),float) |
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95 do m = 0,11 |
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96 do j=0,nlat-1 |
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97 if (j.eq.0 .or. j.eq.nlat-1) then |
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98 if (j.eq.0) then |
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99 LATS = -90. |
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100 LATN = lat(j)+0.5*(lat(j+1)-lat(j)) |
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101 end if |
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102 if (j.eq.nlat-1) then |
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103 LATS = lat(j)-0.5*(lat(j)-lat(j-1)) |
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104 LATN = 90. |
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105 end if |
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106 else |
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107 LATS = lat(j)-0.5*(lat(j)-lat(j-1)) |
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108 LATN = lat(j)+0.5*(lat(j+1)-lat(j)) |
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109 end if |
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110 |
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111 ; CLAT = clat({LATS:LATN}) ; do once for *slight* efficiency |
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112 ; TEMP = bi(:,{LATS:LATN},:) ; 2D [lat,lon] |
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113 |
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114 do i=0,nlon-1 |
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115 if (i.eq.0 .or. i.eq.nlon-1) then |
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116 if (i.eq.0) then |
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117 LONL = 0. |
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118 LONR = lon(i)+0.5*(lon(i+1)-lon(i)) |
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119 end if |
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120 if (i.eq.nlon-1) then |
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121 LONL = lon(i)-0.5*(lon(i)-lon(i-1)) |
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122 LONR = 360. |
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123 end if |
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124 else |
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125 LONL = lon(i)-0.5*(lon(i)-lon(i-1)) |
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126 LONR = lon(i)+0.5*(lon(i+1)-lon(i)) |
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127 end if |
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128 |
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129 ;print (LATS) |
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130 ;print (LATN) |
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131 ;print (LONL) |
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132 ;print (LONR) |
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133 ; bo(:,j,i) = avg(bi(:,{LATS:LATN},{LONL:LONR})) |
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134 bo(m,j,i) = avg(bi(m,{LATS:LATN},{LONL:LONR})) |
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135 ; bo(:,j,i) = wgt_areaave(TEMP(:,{LONL:LONR}), CLAT, 1.0, 0) |
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136 end do |
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137 |
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138 ; delete(CLAT) |
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139 ; delete(TEMP) |
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140 end do |
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141 end do |
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142 |
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143 bo!0 = "time" |
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144 bo!1 = "lat" |
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145 bo!2 = "lon" |
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146 bo&time= bi&time |
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147 ; bo&time= 1 |
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148 bo&lat = lat |
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149 bo&lon = lon |
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150 ; bo@units = bi@units |
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151 ; bo@long_name = bi@long_name |
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152 bo@units = "none" |
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153 bo@long_name = "Leaf Area Index" |
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154 bo@_FillValue = bi@_FillValue |
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155 |
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156 c->LAI = bo |
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157 end |