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1 ; *********************************************** |
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2 ; interpolate into model grids (T42) |
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3 ; output: lat: S->N lon: 0->360 |
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4 ; input : lat: N->S lon: -180->180 |
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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 nclass = 20 |
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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 = "land_class_T42.nc" |
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19 filo = "land_class_T42_new.nc" |
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20 c = addfile(diro+filo,"c") |
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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 = "land_class_0.25deg.nc" |
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27 fili = "land_class_0.25deg_new.nc" |
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28 g = addfile (diri+fili,"r") |
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29 bi = g->LAND_CLASS |
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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 ;************************************************ |
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36 |
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37 yi = (/ yi(::-1) /) |
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38 bi = (/ bi(::-1,:) /) |
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39 printVarSummary(bi) |
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40 |
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41 b2 = bi |
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42 x2 = xi |
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43 |
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44 nx = dimsizes(xi) |
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45 nx2 = nx/2 |
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46 |
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47 do i= 0,nx-1 |
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48 if (i .lt. nx2) then |
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49 p = i + nx2 |
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50 xi(p) = x2(i) + 360. |
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51 else |
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52 p = i - nx2 |
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53 xi(p) = x2(i) |
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54 end if |
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55 bi(:,p)= b2(:,i) |
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56 end do |
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57 |
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58 bi&lat = yi |
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59 bi&lon = xi |
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60 |
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61 print (xi) |
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62 print (yi) |
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63 ;exit |
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64 |
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65 ;************************************************ |
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66 ; read in model data |
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67 ;************************************************ |
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68 diri2 = "/fis/cgd/cseg/people/jeff/clamp_data/model/" |
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69 fili2 = "i01.03cn_1545-1569_ANN_climo.nc" |
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70 f = addfile (diri2+fili2,"r") |
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71 |
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72 lon = f->lon |
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73 lat = f->lat |
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74 nlon = dimsizes(lon) |
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75 nlat = dimsizes(lat) |
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76 |
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77 ; print (xi) |
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78 ; print (yi) |
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79 ; print (xo) |
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80 ; print (yo) |
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81 |
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82 bo = new((/nlat,nlon/),integer) |
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83 count = new((/nclass/),integer) |
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84 |
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85 do j=0,nlat-1 |
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86 if (j.eq.0 .or. j.eq.nlat-1) then |
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87 if (j.eq.0) then |
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88 LATS = -90. |
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89 LATN = lat(j)+0.5*(lat(j+1)-lat(j)) |
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90 end if |
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91 if (j.eq.nlat-1) then |
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92 LATS = lat(j)-0.5*(lat(j)-lat(j-1)) |
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93 LATN = 90. |
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94 end if |
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95 else |
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96 LATS = lat(j)-0.5*(lat(j)-lat(j-1)) |
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97 LATN = lat(j)+0.5*(lat(j+1)-lat(j)) |
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98 end if |
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99 |
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100 do i=0,nlon-1 |
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101 if (i.eq.0 .or. i.eq.nlon-1) then |
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102 if (i.eq.0) then |
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103 LONL = 0. |
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104 LONR = lon(i)+0.5*(lon(i+1)-lon(i)) |
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105 end if |
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106 if (i.eq.nlon-1) then |
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107 LONL = lon(i)-0.5*(lon(i)-lon(i-1)) |
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108 LONR = 360. |
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109 end if |
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110 else |
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111 LONL = lon(i)-0.5*(lon(i)-lon(i-1)) |
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112 LONR = lon(i)+0.5*(lon(i+1)-lon(i)) |
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113 end if |
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114 |
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115 ;print (LATS) |
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116 ;print (LATN) |
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117 ;print (LONL) |
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118 ;print (LONR) |
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119 |
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120 count = 0 |
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121 |
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122 do n = 0,nclass-1 |
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123 count(n) = num (bi({LATS:LATN},{LONL:LONR}).eq.n) |
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124 end do |
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125 |
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126 bo(j,i) = maxind(count) |
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127 end do |
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128 end do |
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129 |
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130 bo!0 = "lat" |
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131 bo!1 = "lon" |
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132 bo&lat = lat |
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133 bo&lon = lon |
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134 bo@units = bi@units |
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135 bo@long_name = bi@long_name |
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136 bo@_FillValue = bi@_FillValue |
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137 |
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138 print (min(bo) + "/" + max(bo)) |
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139 |
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140 c->LAND_CLASS = bo |
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141 end |