diff -r 000000000000 -r 0c6405ab2ff4 biomass/30.mask_to_T31-T42_1.9.ncl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/biomass/30.mask_to_T31-T42_1.9.ncl	Mon Jan 26 22:08:20 2009 -0500
@@ -0,0 +1,147 @@
+; ***********************************************
+; interpolate into model grids (T31)
+; ***********************************************
+load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
+load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
+load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
+;************************************************
+begin
+
+;************************************************
+; read model grid
+;************************************************
+
+ model_grid = "T31"
+;model_grid = "T42"
+;model_grid = "1.9"
+
+ diri   = "/fis/cgd/cseg/people/jeff/clamp_data/surface_model/"
+ fili   = "lnd_"+ model_grid +".nc"
+ f      = addfile (diri+fili,"r")
+
+ lon    = f->lon     
+ lat    = f->lat
+ nlon   = dimsizes(lon)
+ nlat   = dimsizes(lat)      
+
+;************************************************
+; output data
+;************************************************
+  diro  = "/fis/cgd/cseg/people/jeff/clamp_data/observed/biomass/"
+  filo  = "amazon_mask_"+model_grid + ".nc"
+  c = addfile(diro+filo,"c")
+
+;************************************************
+; read 1x1 amazon_mask data
+;************************************************
+  diri  = "/fis/cgd/cseg/people/jeff/clamp_data/observed/biomass/"
+  fili  = "amazon_mask_1x1.nc"
+  g = addfile(diri+fili,"r")
+
+  bi    = g->mask_amazon   
+  xi    = g->lon 
+  yi    = g->lat
+
+;************************************************
+; change from -180-180, 90N-90S into 0-360E, 90S-90N
+; Observed NPP*scale_factor
+;************************************************
+ 
+ yi    = (/ yi(::-1) /)
+ bi    =  (/ bi(::-1,:) /)
+ b2    = bi
+ x2    = xi   
+ 
+ nx = dimsizes(xi)
+ do i= 0,nx-1
+    if (i .lt. 180) then
+       p = i + 180
+       xi(p) = x2(i) + 360.      
+    else
+       p = i - 180
+       xi(p) = x2(i)
+    end if
+    bi(:,p)= b2(:,i) 
+ end do
+
+ bi&lat =  yi
+ bi&lon =  xi
+
+;print (xi)
+;print (yi)
+
+;(A)
+;bo = linint2_Wrap(xi,yi,bi,True,xo,yo,0)
+
+;(B)
+
+  rad   = 4.*atan(1.)/180.
+  clat  = lat
+  clat  = cos(lat*rad)
+
+  clat@long_name = "cos(latitude)"
+  delete(clat@units)
+; printVarSummary(clat)
+
+ bo = new ((/nlat,nlon/),"float")
+
+    do j=0,nlat-1
+       if (j.eq.0 .or. j.eq.nlat-1) then
+          if (j.eq.0) then
+             LATS = -90.          
+             LATN = lat(j)+0.5*(lat(j+1)-lat(j))
+          end if
+          if (j.eq.nlat-1) then
+             LATS = lat(j)-0.5*(lat(j)-lat(j-1))
+             LATN = 90.                  
+          end if
+       else
+          LATS = lat(j)-0.5*(lat(j)-lat(j-1))
+          LATN = lat(j)+0.5*(lat(j+1)-lat(j))
+       end if
+ 
+;      CLAT = clat({LATS:LATN})      ; do once for *slight* efficiency
+;      TEMP = bi({LATS:LATN},:)      ; 2D [lat,lon]
+ 
+      do i=0,nlon-1
+       if (i.eq.0 .or. i.eq.nlon-1) then
+          if (i.eq.0) then
+             LONL = 0.          
+             LONR = lon(i)+0.5*(lon(i+1)-lon(i))
+          end if
+          if (i.eq.nlon-1) then
+             LONL = lon(i)-0.5*(lon(i)-lon(i-1))
+             LONR = 360.                 
+          end if
+       else
+          LONL = lon(i)-0.5*(lon(i)-lon(i-1))
+          LONR = lon(i)+0.5*(lon(i+1)-lon(i))
+       end if
+
+;print (LATS)
+;print (LATN)
+;print (LONL)
+;print (LONR)
+
+         bo(j,i) = avg(bi({LATS:LATN},{LONL:LONR}))  
+;        bo(j,i) = wgt_areaave(TEMP(:,{LONL:LONR}), CLAT, 1.0, 0)
+
+      end do
+ 
+;     delete(CLAT)
+;     delete(TEMP) 
+    end do
+
+; bo = where(bo.ge.0.5, 1.0,0.)
+
+  bo!0   = "lat"
+  bo!1   = "lon"
+  bo&lat =  lat
+  bo&lon =  lon
+; bo@units      = bi@units
+  bo@long_name  = "amazon mask"
+; bo@_FillValue = bi@_FillValue
+  bo@_FillValue = 1.e+36
+
+  c->mask_amazon  = bo
+end
\ No newline at end of file