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;********************************************************
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; histogram normalized by rain and compute correleration
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;********************************************************
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl.test"
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl.test"
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
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procedure pminmax(data:numeric,name:string)
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begin
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print ("min/max " + name + " = " + min(data) + "/" + max(data))
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if(isatt(data,"units")) then
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print (name + " units = " + data@units)
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end if
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end
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; Main code.
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begin
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nclass = 20
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plot_type = "ps"
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plot_type_new = "png"
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;************************************************
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; read data: model
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;************************************************
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co2_i = 283.1878
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co2_f = 364.1252
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model_grid = "T42"
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;model_name_i = "i01.07cn"
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;model_name_f = "i01.10cn"
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model_name_i = "i01.07casa"
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model_name_f = "i01.10casa"
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dirm = "/fis/cgd/cseg/people/jeff/clamp_data/model/"
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film_i = model_name_i + "_1990-2004_ANN_climo.nc"
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film_f = model_name_f + "_1990-2004_ANN_climo.nc"
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fm_i = addfile (dirm+film_i,"r")
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fm_f = addfile (dirm+film_f,"r")
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npp_i = fm_i->NPP
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npp_f = fm_f->NPP
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;************************************************
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; read data: observed
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;************************************************
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ob_name = "MODIS MOD 15A2 2000-2005"
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diro = "/fis/cgd/cseg/people/jeff/clamp_data/lai/ob/"
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filo = "land_class_"+model_grid+".nc"
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fo = addfile(diro+filo,"r")
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classob = tofloat(fo->LAND_CLASS)
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class_name = (/"Water Bodies" \
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,"Evergreen Needleleaf Forests" \
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,"Evergreen Broadleaf Forests" \
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,"Deciduous Needleleaf Forest" \
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,"Deciduous Broadleaf Forests" \
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,"Mixed Forests" \
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,"Closed Bushlands" \
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,"Open Bushlands" \
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,"Woody Savannas (S. Hem.)" \
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,"Savannas (S. Hem.)" \
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,"Grasslands" \
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,"Permanent Wetlands" \
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,"Croplands" \
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,"Urban and Built-Up" \
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,"Cropland/Natural Vegetation Mosaic" \
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,"Permanent Snow and Ice" \
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,"Barren or Sparsely Vegetated" \
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,"Unclassified" \
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,"Woody Savannas (N. Hem.)" \
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,"Savannas (N. Hem.)" \
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/)
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;*******************************************************************
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; Calculate "nice" bins for binning the data in equally spaced ranges
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;********************************************************************
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nclassn = nclass + 1
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range = fspan(0,nclassn-1,nclassn)
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; print (range)
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; Use this range information to grab all the values in a
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; particular range, and then take an average.
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nr = dimsizes(range)
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nx = nr-1
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xvalues = new((/2,nx/),float)
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xvalues(0,:) = range(0:nr-2) + (range(1:)-range(0:nr-2))/2.
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dx = xvalues(0,1) - xvalues(0,0) ; range width
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dx4 = dx/4 ; 1/4 of the range
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xvalues(1,:) = xvalues(0,:) - dx/5.
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; get data
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DATA11_1D = ndtooned(classob)
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DATA12_1D = ndtooned(npp_i)
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DATA22_1D = ndtooned(npp_f)
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yvalues = new((/2,nx/),float)
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mn_yvalues = new((/2,nx/),float)
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mx_yvalues = new((/2,nx/),float)
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do nd=0,1
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; See if we are doing model or observational data.
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if(nd.eq.0) then
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data_ob = DATA11_1D
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data_mod = DATA12_1D
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else
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data_ob = DATA11_1D
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data_mod = DATA22_1D
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end if
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; Loop through each range and check for values.
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do i=0,nr-2
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if (i.ne.(nr-2)) then
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; print("")
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; print("In range ["+range(i)+","+range(i+1)+")")
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idx = ind((data_ob.ge.range(i)).and.(data_ob.lt.range(i+1)))
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else
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; print("")
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; print("In range ["+range(i)+",)")
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idx = ind(data_ob.ge.range(i))
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end if
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; Calculate average, and get min and max.
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if(.not.any(ismissing(idx))) then
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yvalues(nd,i) = avg(data_mod(idx))
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mn_yvalues(nd,i) = min(data_mod(idx))
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mx_yvalues(nd,i) = max(data_mod(idx))
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count = dimsizes(idx)
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else
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count = 0
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yvalues(nd,i) = yvalues@_FillValue
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mn_yvalues(nd,i) = yvalues@_FillValue
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mx_yvalues(nd,i) = yvalues@_FillValue
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end if
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; print(nd + ": " + count + " points, avg = " + yvalues(nd,i))
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; print("Min/Max: " + mn_yvalues(nd,i) + "/" + mx_yvalues(nd,i))
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; Clean up for next time in loop.
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delete(idx)
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end do
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delete(data_ob)
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delete(data_mod)
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end do
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;============================
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;compute beta
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;============================
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u = yvalues(0,:)
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v = yvalues(1,:)
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good = ind(.not.ismissing(u) .and. .not.ismissing(v))
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uu = u(good)
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vv = v(good)
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ww = class_name(good)
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n_biome = dimsizes(uu)
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beta_biome = new((/n_biome/),float)
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beta_biome = ((vv/uu) - 1.)/log(co2_f/co2_i)
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beta_biome_avg = avg(beta_biome)
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print("class/beta: " + ww + "/" + beta_biome)
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print (beta_biome_avg)
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end
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