beta/03.biome.ncl
changeset 0 0c6405ab2ff4
equal deleted inserted replaced
-1:000000000000 0:441818022cbd
       
     1 ;********************************************************
       
     2 ; histogram normalized by rain and compute correleration
       
     3 ;********************************************************
       
     4 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl.test"
       
     5 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl.test"
       
     6 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
       
     7 
       
     8 procedure pminmax(data:numeric,name:string)
       
     9 begin
       
    10   print ("min/max " + name + " = " + min(data) + "/" + max(data))
       
    11   if(isatt(data,"units")) then
       
    12     print (name + " units = " + data@units)
       
    13   end if
       
    14 end
       
    15 
       
    16 ; Main code.
       
    17 begin
       
    18  
       
    19  nclass = 20
       
    20 
       
    21  plot_type     = "ps"
       
    22  plot_type_new = "png"
       
    23 
       
    24 ;************************************************
       
    25 ; read data: model       
       
    26 ;************************************************
       
    27  co2_i = 283.1878
       
    28  co2_f = 364.1252
       
    29 
       
    30  model_grid = "T42"
       
    31 
       
    32 ;model_name_i = "i01.07cn"
       
    33 ;model_name_f = "i01.10cn"
       
    34 
       
    35  model_name_i = "i01.07casa"
       
    36  model_name_f = "i01.10casa"
       
    37 
       
    38  dirm = "/fis/cgd/cseg/people/jeff/clamp_data/model/"
       
    39  film_i = model_name_i + "_1990-2004_ANN_climo.nc"
       
    40  film_f = model_name_f + "_1990-2004_ANN_climo.nc"
       
    41 
       
    42  fm_i   = addfile (dirm+film_i,"r")
       
    43  fm_f   = addfile (dirm+film_f,"r")
       
    44   
       
    45  npp_i  = fm_i->NPP
       
    46  npp_f  = fm_f->NPP
       
    47  
       
    48 ;************************************************
       
    49 ; read data: observed
       
    50 ;************************************************
       
    51 
       
    52  ob_name = "MODIS MOD 15A2 2000-2005"
       
    53 
       
    54  diro  = "/fis/cgd/cseg/people/jeff/clamp_data/lai/ob/"
       
    55  filo  = "land_class_"+model_grid+".nc"
       
    56 
       
    57  fo = addfile(diro+filo,"r")
       
    58  
       
    59  classob    = tofloat(fo->LAND_CLASS)
       
    60 
       
    61  class_name = (/"Water Bodies" \
       
    62                ,"Evergreen Needleleaf Forests" \
       
    63                ,"Evergreen Broadleaf Forests" \
       
    64                ,"Deciduous Needleleaf Forest" \
       
    65                ,"Deciduous Broadleaf Forests" \
       
    66                ,"Mixed Forests" \                      
       
    67                ,"Closed Bushlands" \                   
       
    68                ,"Open Bushlands" \                     
       
    69                ,"Woody Savannas (S. Hem.)" \           
       
    70                ,"Savannas (S. Hem.)" \                 
       
    71                ,"Grasslands" \                         
       
    72                ,"Permanent Wetlands" \                 
       
    73                ,"Croplands" \                         
       
    74                ,"Urban and Built-Up" \                 
       
    75                ,"Cropland/Natural Vegetation Mosaic" \ 
       
    76                ,"Permanent Snow and Ice" \             
       
    77                ,"Barren or Sparsely Vegetated" \       
       
    78                ,"Unclassified" \                       
       
    79                ,"Woody Savannas (N. Hem.)" \           
       
    80                ,"Savannas (N. Hem.)" \                
       
    81                /)  
       
    82                
       
    83 ;*******************************************************************
       
    84 ; Calculate "nice" bins for binning the data in equally spaced ranges
       
    85 ;********************************************************************
       
    86   nclassn     = nclass + 1
       
    87   range       = fspan(0,nclassn-1,nclassn)
       
    88 ; print (range)
       
    89 
       
    90 ; Use this range information to grab all the values in a
       
    91 ; particular range, and then take an average.
       
    92 
       
    93   nr           = dimsizes(range)
       
    94   nx           = nr-1
       
    95   xvalues      = new((/2,nx/),float)
       
    96   xvalues(0,:) = range(0:nr-2) + (range(1:)-range(0:nr-2))/2.
       
    97   dx           = xvalues(0,1) - xvalues(0,0)       ; range width
       
    98   dx4          = dx/4                              ; 1/4 of the range
       
    99   xvalues(1,:) = xvalues(0,:) - dx/5.
       
   100 
       
   101 ; get data
       
   102 
       
   103   DATA11_1D = ndtooned(classob)
       
   104   DATA12_1D = ndtooned(npp_i)
       
   105   DATA22_1D = ndtooned(npp_f)
       
   106 
       
   107   yvalues      = new((/2,nx/),float)
       
   108   mn_yvalues   = new((/2,nx/),float)
       
   109   mx_yvalues   = new((/2,nx/),float)
       
   110 
       
   111   do nd=0,1
       
   112 
       
   113 ; See if we are doing model or observational data.
       
   114 
       
   115     if(nd.eq.0) then
       
   116       data_ob  = DATA11_1D
       
   117       data_mod = DATA12_1D
       
   118     else
       
   119       data_ob  = DATA11_1D
       
   120       data_mod = DATA22_1D
       
   121     end if
       
   122 
       
   123 ; Loop through each range and check for values.
       
   124 
       
   125     do i=0,nr-2
       
   126       if (i.ne.(nr-2)) then
       
   127 ;        print("")
       
   128 ;        print("In range ["+range(i)+","+range(i+1)+")")
       
   129          idx = ind((data_ob.ge.range(i)).and.(data_ob.lt.range(i+1)))
       
   130       else
       
   131 ;        print("")
       
   132 ;        print("In range ["+range(i)+",)")
       
   133          idx = ind(data_ob.ge.range(i))
       
   134       end if
       
   135 
       
   136 ; Calculate average, and get min and max.
       
   137 
       
   138       if(.not.any(ismissing(idx))) then
       
   139         yvalues(nd,i)    = avg(data_mod(idx))
       
   140         mn_yvalues(nd,i) = min(data_mod(idx))
       
   141         mx_yvalues(nd,i) = max(data_mod(idx))
       
   142         count = dimsizes(idx)
       
   143       else
       
   144         count            = 0
       
   145         yvalues(nd,i)    = yvalues@_FillValue
       
   146         mn_yvalues(nd,i) = yvalues@_FillValue
       
   147         mx_yvalues(nd,i) = yvalues@_FillValue
       
   148       end if
       
   149 
       
   150 ;     print(nd + ": " + count + " points, avg = " + yvalues(nd,i))
       
   151 ;     print("Min/Max:  " + mn_yvalues(nd,i) + "/" + mx_yvalues(nd,i))
       
   152 
       
   153 ; Clean up for next time in loop.
       
   154 
       
   155       delete(idx)
       
   156     end do
       
   157     delete(data_ob)
       
   158     delete(data_mod)
       
   159   end do
       
   160 
       
   161 ;============================
       
   162 ;compute beta
       
   163 ;============================
       
   164 
       
   165  u = yvalues(0,:)
       
   166  v = yvalues(1,:)
       
   167 
       
   168  good = ind(.not.ismissing(u) .and. .not.ismissing(v))
       
   169  uu = u(good)
       
   170  vv = v(good)
       
   171  ww = class_name(good)
       
   172 
       
   173  n_biome = dimsizes(uu)
       
   174 
       
   175  beta_biome = new((/n_biome/),float)
       
   176 
       
   177  beta_biome = ((vv/uu) - 1.)/log(co2_f/co2_i)
       
   178 
       
   179  beta_biome_avg = avg(beta_biome)
       
   180 
       
   181  print("class/beta:  " + ww + "/" + beta_biome)
       
   182  print (beta_biome_avg)
       
   183 
       
   184 end
       
   185