npp/18.scatter_bias.ncl
changeset 0 0c6405ab2ff4
equal deleted inserted replaced
-1:000000000000 0:0914cc5b93ed
       
     1 ; ****************************************************
       
     2 ; combine  scatter, histogram, global and zonal plots
       
     3 ; ****************************************************
       
     4 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
       
     5 load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
       
     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  plot_type     = "ps"
       
    20  plot_type_new = "png"
       
    21 
       
    22 ;************************************************
       
    23 ; read in ob data
       
    24 ;************************************************
       
    25 ;(1)
       
    26  dir81 = "/fis/cgd/cseg/people/jeff/clamp_data/npp/ob/"
       
    27  fil81 = "data.81.nc"
       
    28  f81   = addfile (dir81+fil81,"r")
       
    29 
       
    30  id81   = f81->SITE_ID  
       
    31  npp81  = f81->TNPP_C
       
    32  rain81 = tofloat(f81->PREC_ANN)
       
    33  x81    = f81->LONG_DD  
       
    34  y81    = f81->LAT_DD
       
    35 
       
    36  id81@long_name  = "SITE_ID"
       
    37 
       
    38 ;change longitude from (-180,180) to (0,360)
       
    39 ;for model data interpolation
       
    40 
       
    41  do i= 0,dimsizes(x81)-1
       
    42     if (x81(i) .lt. 0.) then
       
    43         x81(i) = x81(i)+ 360.
       
    44     end if
       
    45  end do
       
    46 ;print (x81)
       
    47 ;-------------------------------------
       
    48 ;(2)
       
    49  dir933 = "/fis/cgd/cseg/people/jeff/clamp_data/npp/ob/"
       
    50  fil933 = "data.933.nc"
       
    51  f933   = addfile (dir933+fil933,"r")
       
    52 
       
    53  id933   = f933->SITE_ID  
       
    54  npp933  = f933->TNPP_C
       
    55  rain933 = f933->PREC
       
    56  x933    = f933->LONG_DD  
       
    57  y933    = f933->LAT_DD 
       
    58 
       
    59  id933@long_name  = "SITE_ID"
       
    60 
       
    61 ;change longitude from (-180,180) to (0,360)
       
    62 ;for model data interpolation
       
    63 
       
    64  do i= 0,dimsizes(x933)-1
       
    65     if (x933(i) .lt. 0.) then
       
    66         x933(i) = x933(i)+ 360.
       
    67     end if
       
    68  end do
       
    69 ;print (x933)
       
    70 ;----------------------------------------
       
    71 ;(3)
       
    72  dirglobe = "/fis/cgd/cseg/people/jeff/clamp_data/npp/ob/"
       
    73  filglobe = "Npp_T31_mean.nc"
       
    74  fglobe   = addfile (dirglobe+filglobe,"r")
       
    75  
       
    76  nppglobe0 = fglobe->NPP
       
    77  nppglobe  = nppglobe0
       
    78 ;************************************************
       
    79 ; read in model data
       
    80 ;************************************************
       
    81  model_name = "b30.061n"
       
    82 
       
    83  dirm = "/fis/cgd/cseg/people/jeff/clamp_data/model/"
       
    84  film = "b30.061n_1995-2004_ANN_climo_lnd.nc"
       
    85  fm   = addfile (dirm+film,"r")
       
    86   
       
    87  nppmod0  = fm->NPP
       
    88  rainmod0 = fm->RAIN
       
    89  xm       = fm->lon  
       
    90  ym       = fm->lat
       
    91 
       
    92  nppmod   = nppmod0(0,:,:)
       
    93  rainmod  = rainmod0(0,:,:)
       
    94  delete (nppmod0)
       
    95  delete (rainmod0)
       
    96 
       
    97  nppmod81  =linint2_points(xm,ym,nppmod,True,x81,y81,0)
       
    98 
       
    99  nppmod933 =linint2_points(xm,ym,nppmod,True,x933,y933,0)
       
   100 
       
   101  rainmod81 =linint2_points(xm,ym,rainmod,True,x81,y81,0)
       
   102 
       
   103  rainmod933=linint2_points(xm,ym,rainmod,True,x933,y933,0)
       
   104 
       
   105 ;************************************************
       
   106 ; Units for these variables are:
       
   107 ;
       
   108 ; rain81  : mm/year
       
   109 ; rainmod : mm/s
       
   110 ; npp81   : g C/m^2/year
       
   111 ; nppmod81: g C/m^2/s
       
   112 ; nppglobe: g C/m^2/year
       
   113 ;
       
   114 ; We want to convert these to "m/year" and "g C/m^2/year".
       
   115 ;
       
   116   nsec_per_year = 60*60*24*365                 
       
   117 
       
   118   rain81    = rain81 / 1000.
       
   119   rainmod81 = (rainmod81/ 1000.) * nsec_per_year
       
   120   nppmod81  = nppmod81 * nsec_per_year
       
   121 
       
   122   rain933    = rain933 / 1000.
       
   123   rainmod933 = (rainmod933/ 1000.) * nsec_per_year
       
   124   nppmod933  = nppmod933 * nsec_per_year
       
   125 
       
   126   nppmod  = nppmod * nsec_per_year
       
   127 
       
   128   npp81@units      = "gC/m^2/yr"
       
   129   nppmod81@units   = "gC/m^2/yr"
       
   130   npp933@units     = "gC/m^2/yr"
       
   131   nppmod933@units  = "gC/m^2/yr"
       
   132   nppmod@units     = "gC/m^2/yr"
       
   133   nppglobe@units   = "gC/m^2/yr"
       
   134   rain81@units     = "m/yr"
       
   135   rainmod81@units  = "m/yr"
       
   136   rain933@units    = "m/yr"
       
   137   rainmod933@units = "m/yr"
       
   138 
       
   139   npp81@long_name      = "NPP (gC/m2/year)"
       
   140   npp933@long_name     = "NPP (gC/m2/year)"
       
   141   nppmod81@long_name   = "NPP (gC/m2/year)"
       
   142   nppmod933@long_name  = "NPP (gC/m2/year)"
       
   143   nppmod@long_name     = "NPP (gC/m2/year)"
       
   144   nppglobe@long_name   = "NPP (gC/m2/year)"
       
   145   rain81@long_name     = "PREC (m/year)"
       
   146   rain933@long_name    = "PREC (m/year)"
       
   147   rainmod81@long_name  = "PREC (m/year)"
       
   148   rainmod933@long_name = "PREC (m/year)"
       
   149 
       
   150 ;(A) plot scatter ob 81
       
   151    
       
   152  plot_name = "scatter_ob_81"
       
   153  title     = "Observed 81 sites"
       
   154 
       
   155  wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   156  res                   = True                  ; plot mods desired
       
   157  res@tiMainString      = title                 ; add title
       
   158  res@xyMarkLineModes   = "Markers"             ; choose which have markers
       
   159  res@xyMarkers         =  16                   ; choose type of marker  
       
   160  res@xyMarkerColor     = "red"                 ; Marker color
       
   161  res@xyMarkerSizeF     = 0.01                  ; Marker size (default 0.01)
       
   162  res@tmLabelAutoStride = True                  ; nice tick mark labels
       
   163 
       
   164  plot  = gsn_csm_xy (wks,id81,npp81,res)       ; create plot
       
   165  frame(wks)
       
   166 
       
   167  system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   168  system("rm "+plot_name+"."+plot_type)
       
   169  system("rm "+plot_name+"-1."+plot_type_new)
       
   170  system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   171 
       
   172  clear (wks)
       
   173  
       
   174 ;(B) plot scatter ob 933
       
   175 
       
   176  plot_name = "scatter_ob_933"
       
   177  title     = "Observed 933 sites"
       
   178 
       
   179  wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   180  res                   = True                  ; plot mods desired
       
   181  res@tiMainString      = title                 ; add title
       
   182  res@xyMarkLineModes   = "Markers"             ; choose which have markers
       
   183  res@xyMarkers         =  16                   ; choose type of marker  
       
   184  res@xyMarkerColor     = "red"                 ; Marker color
       
   185  res@xyMarkerSizeF     = 0.01                  ; Marker size (default 0.01)
       
   186  res@tmLabelAutoStride = True                  ; nice tick mark labels
       
   187 
       
   188  plot  = gsn_csm_xy (wks,id933,npp933,res)     ; create plot
       
   189  frame(wks)
       
   190 
       
   191  system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   192  system("rm "+plot_name+"."+plot_type)
       
   193  system("rm "+plot_name+"-1."+plot_type_new)
       
   194  system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   195 
       
   196  clear (wks)
       
   197 
       
   198 ;(C) plot scatter model 81
       
   199   
       
   200  plot_name = "scatter_model_81"
       
   201  title     = "Model "+ model_name +" 81 sites"
       
   202 
       
   203  wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   204  res                   = True                  ; plot mods desired
       
   205  res@tiMainString      = title                 ; add title
       
   206  res@xyMarkLineModes   = "Markers"             ; choose which have markers
       
   207  res@xyMarkers         =  16                   ; choose type of marker  
       
   208  res@xyMarkerColor     = "red"                 ; Marker color
       
   209  res@xyMarkerSizeF     = 0.01                  ; Marker size (default 0.01)
       
   210  res@tmLabelAutoStride = True                  ; nice tick mark labels
       
   211 
       
   212  plot  = gsn_csm_xy (wks,id81,nppmod81,res)    ; create plot
       
   213  frame(wks)
       
   214 
       
   215  system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   216  system("rm "+plot_name+"."+plot_type)
       
   217  system("rm "+plot_name+"-1."+plot_type_new)
       
   218  system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   219 
       
   220  clear (wks)
       
   221  
       
   222 ;(D) plot scatter model 933
       
   223 
       
   224  plot_name = "scatter_model_933"
       
   225  title     = "Model "+ model_name +" 933 sites"
       
   226 
       
   227  wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   228  res                   = True                  ; plot mods desired
       
   229  res@tiMainString      = title                 ; add title
       
   230  res@xyMarkLineModes   = "Markers"             ; choose which have markers
       
   231  res@xyMarkers         =  16                   ; choose type of marker  
       
   232  res@xyMarkerColor     = "red"                 ; Marker color
       
   233  res@xyMarkerSizeF     = 0.01                  ; Marker size (default 0.01)
       
   234  res@tmLabelAutoStride = True                  ; nice tick mark labels
       
   235 
       
   236  plot  = gsn_csm_xy (wks,id933,nppmod933,res)    ; create plot
       
   237  frame(wks)
       
   238 
       
   239  system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   240  system("rm "+plot_name+"."+plot_type)
       
   241  system("rm "+plot_name+"-1."+plot_type_new)
       
   242  system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   243 
       
   244  clear (wks)
       
   245 
       
   246 ;(E) scatter model vs ob 81
       
   247   
       
   248  plot_name = "scatter_model_vs_ob_81"
       
   249  title     = model_name +" vs ob 81 sites"
       
   250 
       
   251  wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   252  res                   = True                  ; plot mods desired
       
   253  res@tiMainString      = title                 ; add title
       
   254  res@xyMarkLineModes   = "Markers"             ; choose which have markers
       
   255  res@xyMarkers         =  16                   ; choose type of marker  
       
   256  res@xyMarkerColor     = "red"                 ; Marker color
       
   257  res@xyMarkerSizeF     = 0.01                  ; Marker size (default 0.01)
       
   258  res@tmLabelAutoStride = True                  ; nice tick mark labels
       
   259 ;-------------------------------
       
   260 ;compute correlation coef. and M
       
   261  ccr81 = esccr(nppmod81,npp81,0)
       
   262  print (ccr81)
       
   263 
       
   264 ;new eq
       
   265  bias = sum(abs(nppmod81-npp81)/(nppmod81+npp81))
       
   266  M81  = (1. - (bias/dimsizes(y81)))*5.
       
   267  print (M81)
       
   268 
       
   269  tRes  = True
       
   270  tRes@txFontHeightF = 0.025
       
   271 
       
   272  correlation_text = "(correlation coef = "+sprintf("%5.2f", ccr81)+")"
       
   273 
       
   274  gsn_text_ndc(wks,correlation_text,0.5,0.95,tRes)
       
   275 ;--------------------------------
       
   276  plot  = gsn_csm_xy (wks,npp81,nppmod81,res)       ; create plot
       
   277  frame(wks)
       
   278 
       
   279  system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   280  system("rm "+plot_name+"."+plot_type)
       
   281  system("rm "+plot_name+"-1."+plot_type_new)
       
   282  system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   283 
       
   284  clear (wks)
       
   285  
       
   286 ;(F) scatter model vs ob 933
       
   287   
       
   288  plot_name = "scatter_model_vs_ob_933"
       
   289  title     = model_name +" vs ob 933 sites"
       
   290 
       
   291  wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   292  res                   = True                  ; plot mods desired
       
   293  res@tiMainString      = title                 ; add title
       
   294  res@xyMarkLineModes   = "Markers"             ; choose which have markers
       
   295  res@xyMarkers         =  16                   ; choose type of marker  
       
   296  res@xyMarkerColor     = "red"                 ; Marker color
       
   297  res@xyMarkerSizeF     = 0.01                  ; Marker size (default 0.01)
       
   298  res@tmLabelAutoStride = True                  ; nice tick mark labels
       
   299 ;-------------------------------
       
   300 ;compute correlation coef. and M
       
   301  ccr933 = esccr(nppmod933,npp933,0)
       
   302  print (ccr933)
       
   303 
       
   304 ;new eq
       
   305  bias = sum(abs(nppmod933-npp933)/(nppmod933+npp933))
       
   306  M933 = (1. - (bias/dimsizes(y933)))*5.
       
   307  print (M933)
       
   308 
       
   309  tRes  = True
       
   310  tRes@txFontHeightF = 0.025
       
   311 
       
   312  correlation_text = "(correlation coef = "+sprintf("%5.2f", ccr933)+")"
       
   313 
       
   314  gsn_text_ndc(wks,correlation_text,0.5,0.95,tRes)
       
   315 ;--------------------------------
       
   316  plot  = gsn_csm_xy (wks,npp933,nppmod933,res)    ; create plot
       
   317  frame(wks)
       
   318 
       
   319  system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   320  system("rm "+plot_name+"."+plot_type)
       
   321  system("rm "+plot_name+"-1."+plot_type_new)
       
   322  system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   323 
       
   324  clear (wks)
       
   325 ;**************************************************************************
       
   326 ;(G) histogram 81
       
   327 
       
   328 ;--------------------------------------------------------------------
       
   329 ;get data
       
   330 
       
   331   RAIN1_1D = ndtooned(rain81)
       
   332   RAIN2_1D = ndtooned(rainmod81)
       
   333   NPP1_1D  = ndtooned(npp81)
       
   334   NPP2_1D  = ndtooned(nppmod81)
       
   335 
       
   336 ; Calculaee "nice" bins for binning the data in equally spaced ranges.
       
   337 
       
   338   nbins       = 15     ; Number of bins to use.
       
   339 
       
   340   nicevals    = nice_mnmxintvl(min(RAIN1_1D),max(RAIN1_1D),nbins,True)
       
   341   nvals       = floattoint((nicevals(1) - nicevals(0))/nicevals(2) + 1)
       
   342   range       = fspan(nicevals(0),nicevals(1),nvals)
       
   343 
       
   344 ; Use this range information to grab all the values in a
       
   345 ; particular range, and then take an average.
       
   346 
       
   347   nr           = dimsizes(range)
       
   348   nx           = nr-1
       
   349   xvalues      = new((/2,nx/),typeof(RAIN1_1D))
       
   350   xvalues(0,:) = range(0:nr-2) + (range(1:)-range(0:nr-2))/2.
       
   351   dx           = xvalues(0,1) - xvalues(0,0)       ; range width
       
   352   dx4          = dx/4                              ; 1/4 of the range
       
   353   xvalues(1,:) = xvalues(0,:) - dx/5.
       
   354   yvalues      = new((/2,nx/),typeof(RAIN1_1D))
       
   355   mn_yvalues   = new((/2,nx/),typeof(RAIN1_1D))
       
   356   mx_yvalues   = new((/2,nx/),typeof(RAIN1_1D))
       
   357 
       
   358   do nd=0,1
       
   359 
       
   360 ; See if we are doing model or observational data.
       
   361 
       
   362     if(nd.eq.0) then
       
   363       data     = RAIN1_1D
       
   364       npp_data = NPP1_1D
       
   365     else
       
   366       data     = RAIN2_1D
       
   367       npp_data = NPP2_1D
       
   368     end if
       
   369 
       
   370 ; Loop through each range and check for values.
       
   371 
       
   372     do i=0,nr-2
       
   373       if (i.ne.(nr-2)) then
       
   374 ;        print("")
       
   375 ;        print("In range ["+range(i)+","+range(i+1)+")")
       
   376         idx = ind((range(i).le.data).and.(data.lt.range(i+1)))
       
   377       else
       
   378 ;        print("")
       
   379 ;        print("In range ["+range(i)+",)")
       
   380         idx = ind(range(i).le.data)
       
   381       end if
       
   382 
       
   383 ; Calculate average, and get min and max.
       
   384 
       
   385       if(.not.any(ismissing(idx))) then
       
   386         yvalues(nd,i)    = avg(npp_data(idx))
       
   387         mn_yvalues(nd,i) = min(npp_data(idx))
       
   388         mx_yvalues(nd,i) = max(npp_data(idx))
       
   389         count = dimsizes(idx)
       
   390       else
       
   391         count            = 0
       
   392         yvalues(nd,i)    = yvalues@_FillValue
       
   393         mn_yvalues(nd,i) = yvalues@_FillValue
       
   394         mx_yvalues(nd,i) = yvalues@_FillValue
       
   395       end if
       
   396 
       
   397 ; Print out information.
       
   398 
       
   399 ;      print(data_types(nd) + ": " + count + " points, avg = " + yvalues(nd,i))
       
   400 ;      print("Min/Max:  " + mn_yvalues(nd,i) + "/" + mx_yvalues(nd,i))
       
   401 
       
   402 
       
   403 ; Clean up for next time in loop.
       
   404 
       
   405       delete(idx)
       
   406     end do
       
   407     delete(data)
       
   408     delete(npp_data)
       
   409   end do
       
   410 ;----------------------------------------
       
   411 ;compute correlation coeff and M score
       
   412  
       
   413  u = yvalues(0,:)
       
   414  v = yvalues(1,:)
       
   415 
       
   416  good = ind(.not.ismissing(u) .and. .not.ismissing(v))
       
   417  uu = u(good)
       
   418  vv = v(good)
       
   419 
       
   420  ccr81h = esccr(uu,vv,0)
       
   421  print (ccr81h)
       
   422 
       
   423 ;new eq
       
   424  bias = sum(abs(vv-uu)/(vv+uu))
       
   425  M81h = (1.- (bias/dimsizes(uu)))*5.
       
   426  print (M81h)
       
   427 
       
   428  delete (u)
       
   429  delete (v)
       
   430  delete (uu)
       
   431  delete (vv)
       
   432 ;----------------------------------------------------------------------
       
   433 ; histogram res
       
   434 
       
   435   resh                = True
       
   436   resh@gsnMaximize    = True
       
   437   resh@gsnDraw        = False
       
   438   resh@gsnFrame       = False
       
   439   resh@xyMarkLineMode = "Markers"
       
   440   resh@xyMarkerSizeF  = 0.014
       
   441   resh@xyMarker       = 16
       
   442   resh@xyMarkerColors = (/"Brown","Blue"/)
       
   443   resh@trYMinF        = min(mn_yvalues) - 10.
       
   444   resh@trYMaxF        = max(mx_yvalues) + 10.
       
   445 
       
   446   resh@tiYAxisString  = "NPP (g C/m2/year)"
       
   447   resh@tiXAxisString  = "Precipitation (m/year)"
       
   448 
       
   449   max_bar = new((/2,nx/),graphic)
       
   450   min_bar = new((/2,nx/),graphic)
       
   451   max_cap = new((/2,nx/),graphic)
       
   452   min_cap = new((/2,nx/),graphic)
       
   453 
       
   454   lnres = True
       
   455   line_colors = (/"brown","blue"/)
       
   456 ;=================================================================
       
   457 ; histogram ob 81 site only
       
   458 ;
       
   459   plot_name = "histogram_ob_81"
       
   460   title     = "Observed 81 site"
       
   461   resh@tiMainString  = title
       
   462 
       
   463   wks   = gsn_open_wks (plot_type,plot_name)    
       
   464 
       
   465   xy = gsn_csm_xy(wks,xvalues(0,:),yvalues(0,:),resh)
       
   466 
       
   467 ;-------------------------------
       
   468 ;Attach the vertical bar and the horizontal cap line 
       
   469 
       
   470   do nd=0,0
       
   471     lnres@gsLineColor = line_colors(nd)
       
   472     do i=0,nx-1
       
   473      
       
   474       if(.not.ismissing(mn_yvalues(nd,i)).and. \
       
   475          .not.ismissing(mx_yvalues(nd,i))) then
       
   476 ;
       
   477 ; Attach the vertical bar, both above and below the marker.
       
   478 ;
       
   479         x1 = xvalues(nd,i)
       
   480         y1 = yvalues(nd,i)
       
   481         y2 = mn_yvalues(nd,i)
       
   482         min_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   483 
       
   484         y2 = mx_yvalues(nd,i)
       
   485         max_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   486 ;
       
   487 ; Attach the horizontal cap line, both above and below the marker.
       
   488 ;
       
   489         x1 = xvalues(nd,i) - dx4
       
   490         x2 = xvalues(nd,i) + dx4
       
   491         y1 = mn_yvalues(nd,i)
       
   492         min_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   493 
       
   494         y1 = mx_yvalues(nd,i)
       
   495         max_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   496       end if
       
   497     end do
       
   498   end do
       
   499 
       
   500   draw(xy)
       
   501   frame(wks)
       
   502 
       
   503   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   504   system("rm "+plot_name+"."+plot_type)
       
   505 ; system("rm "+plot_name+"-1."+plot_type_new)
       
   506 ; system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   507 
       
   508   clear (wks)
       
   509 ;===========================================================================
       
   510 ; histogram model vs ob 81 site 
       
   511 
       
   512   plot_name = "histogram_mod-ob_81"
       
   513   title     = model_name+ " vs Observed 81 site"
       
   514   resh@tiMainString  = title
       
   515 
       
   516   wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   517 
       
   518 ;-----------------------------
       
   519 ; Add a boxed legend using the more simple method, which won't have
       
   520 ; vertical lines going through the markers.
       
   521 
       
   522   resh@pmLegendDisplayMode    = "Always"
       
   523 ; resh@pmLegendWidthF         = 0.1
       
   524   resh@pmLegendWidthF         = 0.08
       
   525   resh@pmLegendHeightF        = 0.05
       
   526   resh@pmLegendOrthogonalPosF = -1.17
       
   527 ; resh@pmLegendOrthogonalPosF = -1.00  ;(downward)
       
   528 ; resh@pmLegendParallelPosF   =  0.18
       
   529   resh@pmLegendParallelPosF   =  0.88  ;(rightward)
       
   530 
       
   531 ; resh@lgPerimOn              = False
       
   532   resh@lgLabelFontHeightF     = 0.015
       
   533   resh@xyExplicitLegendLabels = (/"observed",model_name/)
       
   534 ;-----------------------------
       
   535   tRes  = True
       
   536   tRes@txFontHeightF = 0.025
       
   537 
       
   538   correlation_text = "(correlation coef = "+sprintf("%5.2f", ccr81h)+")"
       
   539 
       
   540   gsn_text_ndc(wks,correlation_text,0.56,0.85,tRes)
       
   541 
       
   542   xy = gsn_csm_xy(wks,xvalues,yvalues,resh)
       
   543 ;-------------------------------
       
   544 ;Attach the vertical bar and the horizontal cap line 
       
   545 
       
   546   do nd=0,1
       
   547     lnres@gsLineColor = line_colors(nd)
       
   548     do i=0,nx-1
       
   549      
       
   550       if(.not.ismissing(mn_yvalues(nd,i)).and. \
       
   551          .not.ismissing(mx_yvalues(nd,i))) then
       
   552 ;
       
   553 ; Attach the vertical bar, both above and below the marker.
       
   554 ;
       
   555         x1 = xvalues(nd,i)
       
   556         y1 = yvalues(nd,i)
       
   557         y2 = mn_yvalues(nd,i)
       
   558         min_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   559 
       
   560         y2 = mx_yvalues(nd,i)
       
   561         max_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   562 ;
       
   563 ; Attach the horizontal cap line, both above and below the marker.
       
   564 ;
       
   565         x1 = xvalues(nd,i) - dx4
       
   566         x2 = xvalues(nd,i) + dx4
       
   567         y1 = mn_yvalues(nd,i)
       
   568         min_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   569 
       
   570         y1 = mx_yvalues(nd,i)
       
   571         max_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   572       end if
       
   573     end do
       
   574   end do
       
   575   draw(xy)
       
   576   frame(wks)
       
   577 
       
   578   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   579   system("rm "+plot_name+"."+plot_type)
       
   580 ; system("rm "+plot_name+"-1."+plot_type_new)
       
   581 ; system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   582 
       
   583  clear (wks)
       
   584 
       
   585  delete (RAIN1_1D)
       
   586  delete (RAIN2_1D)
       
   587  delete (NPP1_1D)
       
   588  delete (NPP2_1D)
       
   589  delete (range)
       
   590  delete (xvalues) 
       
   591  delete (yvalues)
       
   592  delete (mn_yvalues)
       
   593  delete (mx_yvalues)
       
   594  delete (good)
       
   595  delete (max_bar)
       
   596  delete (min_bar)
       
   597  delete (max_cap)
       
   598  delete (min_cap)   
       
   599 ;**************************************************************************
       
   600 ;(H) histogram 933
       
   601 
       
   602 ;--------------------------------------------------------------------
       
   603 ;get data
       
   604 
       
   605   RAIN1_1D = ndtooned(rain933)
       
   606   RAIN2_1D = ndtooned(rainmod933)
       
   607   NPP1_1D  = ndtooned(npp933)
       
   608   NPP2_1D  = ndtooned(nppmod933)
       
   609  
       
   610 ; Calculate "nice" bins for binning the data in equally spaced ranges.
       
   611  
       
   612   nbins       = 15     ; Number of bins to use.
       
   613 
       
   614   nicevals    = nice_mnmxintvl(min(RAIN1_1D),max(RAIN1_1D),nbins,True)
       
   615   nvals       = floattoint((nicevals(1) - nicevals(0))/nicevals(2) + 1)
       
   616   range       = fspan(nicevals(0),nicevals(1),nvals)
       
   617  
       
   618 ; Use this range information to grab all the values in a
       
   619 ; particular range, and then take an average.
       
   620  
       
   621   nr           = dimsizes(range)
       
   622   nx           = nr-1
       
   623   xvalues      = new((/2,nx/),typeof(RAIN1_1D))
       
   624   xvalues(0,:) = range(0:nr-2) + (range(1:)-range(0:nr-2))/2.
       
   625   dx           = xvalues(0,1) - xvalues(0,0)       ; range width
       
   626   dx4          = dx/4                              ; 1/4 of the range
       
   627   xvalues(1,:) = xvalues(0,:) - dx/5.
       
   628   yvalues      = new((/2,nx/),typeof(RAIN1_1D))
       
   629   mn_yvalues   = new((/2,nx/),typeof(RAIN1_1D))
       
   630   mx_yvalues   = new((/2,nx/),typeof(RAIN1_1D))
       
   631 
       
   632   do nd=0,1
       
   633  
       
   634 ; See if we are doing model or observational data.
       
   635 
       
   636     if(nd.eq.0) then
       
   637       data     = RAIN1_1D
       
   638       npp_data = NPP1_1D
       
   639     else
       
   640       data     = RAIN2_1D
       
   641       npp_data = NPP2_1D
       
   642     end if
       
   643 
       
   644 ; Loop through each range and check for values.
       
   645 
       
   646     do i=0,nr-2
       
   647       if (i.ne.(nr-2)) then
       
   648 ;        print("")
       
   649 ;        print("In range ["+range(i)+","+range(i+1)+")")
       
   650         idx = ind((range(i).le.data).and.(data.lt.range(i+1)))
       
   651       else
       
   652 ;        print("")
       
   653 ;        print("In range ["+range(i)+",)")
       
   654         idx = ind(range(i).le.data)
       
   655       end if
       
   656  
       
   657 ; Calculate average, and get min and max.
       
   658 
       
   659       if(.not.any(ismissing(idx))) then
       
   660         yvalues(nd,i)    = avg(npp_data(idx))
       
   661         mn_yvalues(nd,i) = min(npp_data(idx))
       
   662         mx_yvalues(nd,i) = max(npp_data(idx))
       
   663         count = dimsizes(idx)
       
   664       else
       
   665         count            = 0
       
   666         yvalues(nd,i)    = yvalues@_FillValue
       
   667         mn_yvalues(nd,i) = yvalues@_FillValue
       
   668         mx_yvalues(nd,i) = yvalues@_FillValue
       
   669       end if
       
   670 
       
   671 ; Print out information.
       
   672 
       
   673 ;      print(data_types(nd) + ": " + count + " points, avg = " + yvalues(nd,i))
       
   674 ;      print("Min/Max:  " + mn_yvalues(nd,i) + "/" + mx_yvalues(nd,i))
       
   675 
       
   676 ; Clean up for next time in loop.
       
   677 
       
   678       delete(idx)
       
   679     end do
       
   680     delete(data)
       
   681     delete(npp_data)
       
   682   end do
       
   683 ;----------------------------------------
       
   684 ;compute correlation coeff and M score
       
   685  
       
   686  u = yvalues(0,:)
       
   687  v = yvalues(1,:)
       
   688 
       
   689  good = ind(.not.ismissing(u) .and. .not.ismissing(v))
       
   690  uu = u(good)
       
   691  vv = v(good)
       
   692 
       
   693  ccr933h = esccr(uu,vv,0)
       
   694  print (ccr933h)
       
   695 
       
   696 ;new eq
       
   697  bias  = sum(abs(vv-uu)/(vv+uu))
       
   698  M933h = (1.- (bias/dimsizes(uu)))*5.
       
   699  print (M933h)
       
   700 
       
   701  delete (u)
       
   702  delete (v)
       
   703  delete (uu)
       
   704  delete (vv)
       
   705 ;----------------------------------------------------------------------
       
   706 ; histogram res
       
   707 
       
   708   delete (resh)
       
   709   resh                = True
       
   710   resh@gsnMaximize    = True
       
   711   resh@gsnDraw        = False
       
   712   resh@gsnFrame       = False
       
   713   resh@xyMarkLineMode = "Markers"
       
   714   resh@xyMarkerSizeF  = 0.014
       
   715   resh@xyMarker       = 16
       
   716   resh@xyMarkerColors = (/"Brown","Blue"/)
       
   717   resh@trYMinF        = min(mn_yvalues) - 10.
       
   718   resh@trYMaxF        = max(mx_yvalues) + 10.
       
   719 
       
   720   resh@tiYAxisString  = "NPP (g C/m2/year)"
       
   721   resh@tiXAxisString  = "Precipitation (m/year)"
       
   722 
       
   723   max_bar = new((/2,nx/),graphic)
       
   724   min_bar = new((/2,nx/),graphic)
       
   725   max_cap = new((/2,nx/),graphic)
       
   726   min_cap = new((/2,nx/),graphic)
       
   727 
       
   728   lnres = True
       
   729   line_colors = (/"brown","blue"/)
       
   730 ;=================================================================
       
   731 ; histogram ob 933 site only
       
   732  
       
   733   plot_name = "histogram_ob_933"
       
   734   title     = "Observed 933 site"
       
   735   resh@tiMainString  = title
       
   736 
       
   737   wks   = gsn_open_wks (plot_type,plot_name)    
       
   738 
       
   739   xy = gsn_csm_xy(wks,xvalues(0,:),yvalues(0,:),resh)
       
   740 
       
   741 ;-------------------------------
       
   742 ;Attach the vertical bar and the horizontal cap line 
       
   743 
       
   744   do nd=0,0
       
   745     lnres@gsLineColor = line_colors(nd)
       
   746     do i=0,nx-1
       
   747      
       
   748       if(.not.ismissing(mn_yvalues(nd,i)).and. \
       
   749          .not.ismissing(mx_yvalues(nd,i))) then
       
   750 
       
   751 ; Attach the vertical bar, both above and below the marker.
       
   752 
       
   753         x1 = xvalues(nd,i)
       
   754         y1 = yvalues(nd,i)
       
   755         y2 = mn_yvalues(nd,i)
       
   756         min_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   757 
       
   758         y2 = mx_yvalues(nd,i)
       
   759         max_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   760 
       
   761 ; Attach the horizontal cap line, both above and below the marker.
       
   762 
       
   763         x1 = xvalues(nd,i) - dx4
       
   764         x2 = xvalues(nd,i) + dx4
       
   765         y1 = mn_yvalues(nd,i)
       
   766         min_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   767 
       
   768         y1 = mx_yvalues(nd,i)
       
   769         max_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   770       end if
       
   771     end do
       
   772   end do
       
   773 
       
   774   draw(xy)
       
   775   frame(wks)
       
   776 
       
   777   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   778   system("rm "+plot_name+"."+plot_type)
       
   779 ; system("rm "+plot_name+"-1."+plot_type_new)
       
   780 ; system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   781 
       
   782   delete (xy)
       
   783   clear (wks)
       
   784 
       
   785 ;===========================================================================
       
   786 ; histogram model vs ob 933 site 
       
   787 
       
   788   plot_name = "histogram_mod-ob_933"
       
   789   title     = model_name+ " vs Observed 933 site"
       
   790   resh@tiMainString  = title
       
   791 
       
   792   wks   = gsn_open_wks (plot_type,plot_name)    ; open workstation
       
   793 
       
   794 ;-----------------------------
       
   795 ; Add a boxed legend using the more simple method, which won't have
       
   796 ; vertical lines going through the markers.
       
   797 
       
   798   resh@pmLegendDisplayMode    = "Always"
       
   799 ; resh@pmLegendWidthF         = 0.1
       
   800   resh@pmLegendWidthF         = 0.08
       
   801   resh@pmLegendHeightF        = 0.05
       
   802   resh@pmLegendOrthogonalPosF = -1.17
       
   803 ; resh@pmLegendOrthogonalPosF = -1.00  ;(downward)
       
   804 ; resh@pmLegendParallelPosF   =  0.18
       
   805   resh@pmLegendParallelPosF   =  0.88  ;(rightward)
       
   806 
       
   807 ; resh@lgPerimOn              = False
       
   808   resh@lgLabelFontHeightF     = 0.015
       
   809   resh@xyExplicitLegendLabels = (/"observed",model_name/)
       
   810 ;-----------------------------
       
   811   tRes  = True
       
   812   tRes@txFontHeightF = 0.025
       
   813 
       
   814   correlation_text = "(correlation coef = "+sprintf("%5.2f", ccr933h)+")"
       
   815 
       
   816   gsn_text_ndc(wks,correlation_text,0.56,0.85,tRes)
       
   817 
       
   818   xy = gsn_csm_xy(wks,xvalues,yvalues,resh)
       
   819 ;-------------------------------
       
   820 ;Attach the vertical bar and the horizontal cap line 
       
   821 
       
   822   do nd=0,1
       
   823     lnres@gsLineColor = line_colors(nd)
       
   824     do i=0,nx-1
       
   825      
       
   826       if(.not.ismissing(mn_yvalues(nd,i)).and. \
       
   827          .not.ismissing(mx_yvalues(nd,i))) then
       
   828 ;
       
   829 ; Attach the vertical bar, both above and below the marker.
       
   830 ;
       
   831         x1 = xvalues(nd,i)
       
   832         y1 = yvalues(nd,i)
       
   833         y2 = mn_yvalues(nd,i)
       
   834         min_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   835 
       
   836         y2 = mx_yvalues(nd,i)
       
   837         max_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
       
   838 ;
       
   839 ; Attach the horizontal cap line, both above and below the marker.
       
   840 ;
       
   841         x1 = xvalues(nd,i) - dx4
       
   842         x2 = xvalues(nd,i) + dx4
       
   843         y1 = mn_yvalues(nd,i)
       
   844         min_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   845 
       
   846         y1 = mx_yvalues(nd,i)
       
   847         max_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
       
   848       end if
       
   849     end do
       
   850   end do
       
   851   draw(xy)
       
   852   frame(wks)
       
   853 
       
   854   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   855   system("rm "+plot_name+"."+plot_type)
       
   856 ; system("rm "+plot_name+"-1."+plot_type_new)
       
   857 ; system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   858 
       
   859   delete (xy)
       
   860   clear (wks)
       
   861 ;------------------------------------------------------------------------
       
   862 ; global contour 
       
   863 
       
   864 ;res
       
   865   resg                     = True             ; Use plot options
       
   866   resg@cnFillOn            = True             ; Turn on color fill
       
   867   resg@gsnSpreadColors     = True             ; use full colormap
       
   868 ; resg@cnFillMode          = "RasterFill"     ; Turn on raster color
       
   869 ; resg@lbLabelAutoStride   = True
       
   870   resg@cnLinesOn           = False            ; Turn off contourn lines
       
   871   resg@mpFillOn            = False            ; Turn off map fill
       
   872 
       
   873   resg@gsnSpreadColors      = True            ; use full colormap
       
   874   resg@cnLevelSelectionMode = "ManualLevels"  ; Manual contour invtervals
       
   875   resg@cnMinLevelValF       = 0.              ; Min level
       
   876   resg@cnMaxLevelValF       = 2200.           ; Max level
       
   877   resg@cnLevelSpacingF      = 200.            ; interval
       
   878 ;------------------------------------------------------------------------
       
   879 ;global contour ob
       
   880 
       
   881   delta = 0.00000000001
       
   882   nppglobe = where(ismissing(nppglobe).and.(ismissing(nppmod).or.(nppmod.lt.delta)),0.,nppglobe)
       
   883   
       
   884   plot_name = "global_ob"
       
   885   title     = "Observed MODIS MOD 17"
       
   886   resg@tiMainString  = title
       
   887 
       
   888   wks = gsn_open_wks (plot_type,plot_name)   ; open workstation
       
   889   gsn_define_colormap(wks,"gui_default")     ; choose colormap
       
   890 
       
   891   plot = gsn_csm_contour_map_ce(wks,nppglobe,resg)   
       
   892   frame(wks)
       
   893 
       
   894   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   895   system("rm "+plot_name+"."+plot_type)
       
   896   system("rm "+plot_name+"-1."+plot_type_new)
       
   897   system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   898 
       
   899   clear (wks)
       
   900 ;------------------------------------------------------------------------
       
   901 ;global contour model
       
   902 
       
   903   plot_name = "global_model"
       
   904   title     = "Model "+ model_name
       
   905   resg@tiMainString  = title
       
   906 
       
   907   wks = gsn_open_wks (plot_type,plot_name)   ; open workstation
       
   908   gsn_define_colormap(wks,"gui_default")     ; choose colormap
       
   909 
       
   910   plot = gsn_csm_contour_map_ce(wks,nppmod,resg)   
       
   911   frame(wks)
       
   912 
       
   913   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   914   system("rm "+plot_name+"."+plot_type)
       
   915   system("rm "+plot_name+"-1."+plot_type_new)
       
   916   system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   917 
       
   918   clear (wks)
       
   919 ;------------------------------------------------------------------------
       
   920 ;global contour model vs ob
       
   921 
       
   922   plot_name = "global_model_vs_ob"
       
   923 
       
   924   wks = gsn_open_wks (plot_type,plot_name)   ; open workstation
       
   925   gsn_define_colormap(wks,"gui_default")     ; choose colormap
       
   926 
       
   927   delete (plot)
       
   928   plot=new(3,graphic)                        ; create graphic array
       
   929 
       
   930   resg@gsnFrame             = False          ; Do not draw plot 
       
   931   resg@gsnDraw              = False          ; Do not advance frame
       
   932 
       
   933 ;(d) compute correlation coef and M score
       
   934 
       
   935   uu1 = ndtooned(nppmod)
       
   936   vv1 = ndtooned(nppglobe)
       
   937 
       
   938   delete (good) 
       
   939   good = ind(.not.ismissing(uu1) .and. .not.ismissing(vv1))
       
   940 
       
   941   ug = uu1(good)
       
   942   vg = vv1(good)
       
   943 
       
   944   ccrG = esccr(ug,vg,0)
       
   945   print (ccrG)
       
   946 
       
   947   MG   = (ccrG*ccrG)* 5.0
       
   948   print (MG)
       
   949 
       
   950 ; plot correlation coef
       
   951 
       
   952   gRes  = True
       
   953   gRes@txFontHeightF = 0.02
       
   954   gRes@txAngleF = 90
       
   955 
       
   956   correlation_text = "(correlation coef = "+sprintf("%5.2f", ccrG)+")"
       
   957 
       
   958   gsn_text_ndc(wks,correlation_text,0.20,0.50,gRes)
       
   959 ;--------------------------------------------------------------------
       
   960   
       
   961 ;(a) ob
       
   962 
       
   963   title     = "Observed MODIS MOD 17"
       
   964   resg@tiMainString  = title
       
   965 
       
   966   plot(0) = gsn_csm_contour_map_ce(wks,nppglobe,resg)       
       
   967 
       
   968 ;(b) model
       
   969 
       
   970   title     = "Model "+ model_name
       
   971   resg@tiMainString  = title
       
   972 
       
   973   plot(1) = gsn_csm_contour_map_ce(wks,nppmod,resg) 
       
   974 
       
   975 ;(c) model-ob
       
   976 
       
   977   zz = nppmod
       
   978   zz = nppmod - nppglobe
       
   979   title = "Model_"+model_name+" - Observed"
       
   980 
       
   981   resg@cnMinLevelValF  = -500           ; Min level
       
   982   resg@cnMaxLevelValF  =  500.          ; Max level
       
   983   resg@cnLevelSpacingF =  50.           ; interval
       
   984   resg@tiMainString    = title
       
   985 
       
   986   plot(2) = gsn_csm_contour_map_ce(wks,zz,resg) 
       
   987 
       
   988   pres                            = True        ; panel plot mods desired
       
   989   pres@gsnPanelYWhiteSpacePercent = 5           ; increase white space around
       
   990                                                 ; indiv. plots in panel
       
   991   pres@gsnMaximize                = True        ; fill the page
       
   992 
       
   993   gsn_panel(wks,plot,(/3,1/),pres)              ; create panel plot
       
   994 
       
   995   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
   996 ; system("rm "+plot_name+"."+plot_type)
       
   997 ; system("rm "+plot_name+"-1."+plot_type_new)
       
   998 ; system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
   999 
       
  1000   frame (wks)
       
  1001   clear (wks)
       
  1002 
       
  1003   delete (plot)
       
  1004 ;---------------------------------------------------------------------
       
  1005 ; zonal line plot ob
       
  1006 
       
  1007   resz = True
       
  1008   
       
  1009   vv     = zonalAve(nppglobe)
       
  1010   vv@long_name = nppglobe@long_name
       
  1011 
       
  1012   plot_name = "zonal_ob"
       
  1013   title     = "Observed MODIS MOD 17"
       
  1014   resz@tiMainString  = title
       
  1015 
       
  1016   wks = gsn_open_wks (plot_type,plot_name)   ; open workstation
       
  1017 
       
  1018   plot  = gsn_csm_xy (wks,ym,vv,resz)   
       
  1019   frame(wks)
       
  1020 
       
  1021   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
  1022   system("rm "+plot_name+"."+plot_type)
       
  1023   system("rm "+plot_name+"-1."+plot_type_new)
       
  1024   system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
  1025 
       
  1026   clear (wks)
       
  1027 ;---------------------------------------------------------------------
       
  1028 ; zonal line plot model vs ob
       
  1029 
       
  1030   s  = new ((/2,dimsizes(ym)/), float)  
       
  1031 
       
  1032   s(0,:) = zonalAve(nppglobe) 
       
  1033   s(1,:) = zonalAve(nppmod)
       
  1034 
       
  1035   s@long_name = nppglobe@long_name
       
  1036 ;-------------------------------------------
       
  1037 ;(d) compute correlation coef and M score
       
  1038 
       
  1039   ccrZ = esccr(s(1,:), s(0,:),0)
       
  1040   print (ccrZ)
       
  1041 
       
  1042   MZ   = (ccrZ*ccrZ)* 5.0
       
  1043   print (MZ)
       
  1044 ;-------------------------------------------
       
  1045   plot_name = "zonal_model_vs_ob"
       
  1046   title     = "Zonal Average"
       
  1047   resz@tiMainString  = title
       
  1048 
       
  1049   wks = gsn_open_wks (plot_type,plot_name)   ; open workstation
       
  1050 
       
  1051 ; resz@vpHeightF          = 0.4               ; change aspect ratio of plot
       
  1052 ; resz@vpWidthF           = 0.7
       
  1053 
       
  1054   resz@xyMonoLineColor    = "False"           ; want colored lines
       
  1055   resz@xyLineColors       = (/"black","red"/) ; colors chosen
       
  1056 ; resz@xyLineThicknesses  = (/3.,3./)      ; line thicknesses
       
  1057   resz@xyLineThicknesses  = (/2.,2./)      ; line thicknesses
       
  1058   resz@xyDashPatterns     = (/0.,0./)      ; make all lines solid
       
  1059 
       
  1060   resz@tiYAxisString      = s@long_name      ; add a axis title    
       
  1061   resz@txFontHeightF      = 0.0195            ; change title font heights
       
  1062 
       
  1063 ; Legent
       
  1064   resz@pmLegendDisplayMode    = "Always"            ; turn on legend
       
  1065   resz@pmLegendSide           = "Top"               ; Change location of 
       
  1066 ; resz@pmLegendParallelPosF   = .45                 ; move units right
       
  1067   resz@pmLegendParallelPosF   = .82                 ; move units right
       
  1068   resz@pmLegendOrthogonalPosF = -0.4                ; move units down
       
  1069 
       
  1070   resz@pmLegendWidthF         = 0.10                ; Change width and
       
  1071   resz@pmLegendHeightF        = 0.10                ; height of legend.
       
  1072   resz@lgLabelFontHeightF     = .02                 ; change font height
       
  1073 ; resz@lgTitleOn              = True                ; turn on legend title
       
  1074 ; resz@lgTitleString          = "Example"           ; create legend title
       
  1075 ; resz@lgTitleFontHeightF     = .025                ; font of legend title
       
  1076   resz@xyExplicitLegendLabels = (/"Observed",model_name/) ; explicit labels
       
  1077 ;--------------------------------------------------------------------
       
  1078   zRes  = True
       
  1079   zRes@txFontHeightF = 0.025
       
  1080 
       
  1081   correlation_text = "(correlation coef = "+sprintf("%5.2f", ccrZ)+")"
       
  1082 
       
  1083   gsn_text_ndc(wks,correlation_text,0.50,0.77,zRes)
       
  1084 ;--------------------------------------------------------------------
       
  1085   
       
  1086   plot  = gsn_csm_xy (wks,ym,s,resz)       ; create plot
       
  1087 
       
  1088   frame(wks)                                            ; advance frame
       
  1089 
       
  1090   system("convert "+plot_name+"."+plot_type+" "+plot_name+"."+plot_type_new)
       
  1091   system("rm "+plot_name+"."+plot_type)
       
  1092   system("rm "+plot_name+"-1."+plot_type_new)
       
  1093   system("mv "+plot_name+"-0."+plot_type_new+" "+plot_name+"."+plot_type_new)
       
  1094 
       
  1095   clear (wks)
       
  1096 end