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1 ; *********************************************** |
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2 ; interpolate into model grids (T31) |
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3 ; *********************************************** |
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4 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl" |
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5 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl" |
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6 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" |
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7 ;************************************************ |
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8 begin |
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9 |
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10 ;************************************************ |
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11 ; read model grid |
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12 ;************************************************ |
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13 |
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14 model_grid = "T31" |
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15 ;model_grid = "T42" |
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16 ;model_grid = "1.9" |
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17 |
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18 diri = "/fis/cgd/cseg/people/jeff/clamp_data/surface_model/" |
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19 fili = "lnd_"+ model_grid +".nc" |
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20 f = addfile (diri+fili,"r") |
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21 |
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22 lon = f->lon |
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23 lat = f->lat |
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24 nlon = dimsizes(lon) |
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25 nlat = dimsizes(lat) |
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26 |
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27 ;************************************************ |
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28 ; output data |
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29 ;************************************************ |
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30 diro = "/fis/cgd/cseg/people/jeff/clamp_data/observed/biomass/" |
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31 filo = "amazon_mask_"+model_grid + ".nc" |
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32 c = addfile(diro+filo,"c") |
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33 |
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34 ;************************************************ |
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35 ; read 1x1 amazon_mask data |
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36 ;************************************************ |
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37 diri = "/fis/cgd/cseg/people/jeff/clamp_data/observed/biomass/" |
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38 fili = "amazon_mask_1x1.nc" |
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39 g = addfile(diri+fili,"r") |
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40 |
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41 bi = g->mask_amazon |
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42 xi = g->lon |
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43 yi = g->lat |
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44 |
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45 ;************************************************ |
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46 ; change from -180-180, 90N-90S into 0-360E, 90S-90N |
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47 ; Observed NPP*scale_factor |
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48 ;************************************************ |
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49 |
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50 yi = (/ yi(::-1) /) |
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51 bi = (/ bi(::-1,:) /) |
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52 b2 = bi |
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53 x2 = xi |
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54 |
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55 nx = dimsizes(xi) |
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56 do i= 0,nx-1 |
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57 if (i .lt. 180) then |
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58 p = i + 180 |
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59 xi(p) = x2(i) + 360. |
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60 else |
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61 p = i - 180 |
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62 xi(p) = x2(i) |
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63 end if |
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64 bi(:,p)= b2(:,i) |
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65 end do |
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66 |
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67 bi&lat = yi |
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68 bi&lon = xi |
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69 |
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70 ;print (xi) |
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71 ;print (yi) |
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72 |
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73 ;(A) |
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74 ;bo = linint2_Wrap(xi,yi,bi,True,xo,yo,0) |
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75 |
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76 ;(B) |
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77 |
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78 rad = 4.*atan(1.)/180. |
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79 clat = lat |
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80 clat = cos(lat*rad) |
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81 |
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82 clat@long_name = "cos(latitude)" |
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83 delete(clat@units) |
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84 ; printVarSummary(clat) |
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85 |
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86 bo = new ((/nlat,nlon/),"float") |
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87 |
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88 do j=0,nlat-1 |
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89 if (j.eq.0 .or. j.eq.nlat-1) then |
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90 if (j.eq.0) then |
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91 LATS = -90. |
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92 LATN = lat(j)+0.5*(lat(j+1)-lat(j)) |
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93 end if |
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94 if (j.eq.nlat-1) then |
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95 LATS = lat(j)-0.5*(lat(j)-lat(j-1)) |
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96 LATN = 90. |
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97 end if |
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98 else |
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99 LATS = lat(j)-0.5*(lat(j)-lat(j-1)) |
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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 |
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103 ; CLAT = clat({LATS:LATN}) ; do once for *slight* efficiency |
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104 ; TEMP = bi({LATS:LATN},:) ; 2D [lat,lon] |
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105 |
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106 do i=0,nlon-1 |
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107 if (i.eq.0 .or. i.eq.nlon-1) then |
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108 if (i.eq.0) then |
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109 LONL = 0. |
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110 LONR = lon(i)+0.5*(lon(i+1)-lon(i)) |
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111 end if |
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112 if (i.eq.nlon-1) then |
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113 LONL = lon(i)-0.5*(lon(i)-lon(i-1)) |
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114 LONR = 360. |
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115 end if |
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116 else |
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117 LONL = lon(i)-0.5*(lon(i)-lon(i-1)) |
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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 |
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121 ;print (LATS) |
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122 ;print (LATN) |
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123 ;print (LONL) |
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124 ;print (LONR) |
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125 |
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126 bo(j,i) = avg(bi({LATS:LATN},{LONL:LONR})) |
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127 ; bo(j,i) = wgt_areaave(TEMP(:,{LONL:LONR}), CLAT, 1.0, 0) |
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128 |
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129 end do |
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130 |
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131 ; delete(CLAT) |
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132 ; delete(TEMP) |
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133 end do |
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134 |
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135 ; bo = where(bo.ge.0.5, 1.0,0.) |
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136 |
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137 bo!0 = "lat" |
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138 bo!1 = "lon" |
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139 bo&lat = lat |
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140 bo&lon = lon |
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141 ; bo@units = bi@units |
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142 bo@long_name = "amazon mask" |
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143 ; bo@_FillValue = bi@_FillValue |
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144 bo@_FillValue = 1.e+36 |
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145 |
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146 c->mask_amazon = bo |
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147 end |