forrest@0: ; ***********************************************
forrest@0: ; interpolate into model grids (T31)
forrest@0: ; ***********************************************
forrest@0: load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
forrest@0: load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
forrest@0: load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
forrest@0: ;************************************************
forrest@0: begin
forrest@0: 
forrest@0: 
forrest@0: ;************************************************
forrest@0: ; read in observed data
forrest@0: ;************************************************
forrest@0:   diri  = "/fis/cgd/cseg/people/jeff/clamp_data/biomass/ob/"
forrest@0:   fili  = "amazon_biomass.nc"
forrest@0:   g     = addfile (diri+fili,"r")
forrest@0:   bi    = g->BIOMASS   
forrest@0:   xi    = g->lon 
forrest@0:   yi    = g->lat
forrest@0: 
forrest@0: 
forrest@0: ;************************************************
forrest@0: ; read in model data
forrest@0: ;************************************************
forrest@0:  diri2  = "/fis/cgd/cseg/people/jeff/clamp_data/model/"
forrest@0:  fili2  = "b30.061n_1995-2004_ANN_climo_lnd.nc"
forrest@0:  f      = addfile (diri2+fili2,"r")
forrest@0: 
forrest@0:  lon    = f->lon     
forrest@0:  lat    = f->lat
forrest@0:  nlon   = dimsizes(lon)
forrest@0:  nlat   = dimsizes(lat)      
forrest@0: 
forrest@0: ; print (xi)
forrest@0: ; print (yi)
forrest@0: 
forrest@0:  ind_lonL = min(ind(lon .ge. xi(0)))
forrest@0:  ind_lonR = max(ind(lon .le. xi(dimsizes(xi)-1)))
forrest@0: 
forrest@0: print (ind_lonL)
forrest@0: print (xi(0))
forrest@0: print (lon(ind_lonL))
forrest@0: 
forrest@0: print (ind_lonR)
forrest@0: print (xi(dimsizes(xi)-1))
forrest@0: print (lon(ind_lonR))
forrest@0: 
forrest@0:  ind_latS = min(ind(lat .ge. yi(0)))
forrest@0:  ind_latN = max(ind(lat .le. yi(dimsizes(yi)-1)))
forrest@0: 
forrest@0: print (ind_latS)
forrest@0: print (yi(0))
forrest@0: print (lat(ind_latS))
forrest@0: 
forrest@0: print (ind_latN)
forrest@0: print (yi(dimsizes(yi)-1))
forrest@0: print (lat(ind_latN))
forrest@0: exit
forrest@0:  bo = new((/nlat,nlon/),float)
forrest@0:     do j=0,nlat-1
forrest@0:        if (j.eq.0 .or. j.eq.nlat-1) then
forrest@0:           if (j.eq.0) then
forrest@0:              LATS = -90.          
forrest@0:              LATN = lat(j)+0.5*(lat(j+1)-lat(j))
forrest@0:           end if
forrest@0:           if (j.eq.nlat-1) then
forrest@0:              LATS = lat(j)-0.5*(lat(j)-lat(j-1))
forrest@0:              LATN = 90.                  
forrest@0:           end if
forrest@0:        else
forrest@0:           LATS = lat(j)-0.5*(lat(j)-lat(j-1))
forrest@0:           LATN = lat(j)+0.5*(lat(j+1)-lat(j))
forrest@0:        end if
forrest@0:  
forrest@0: ;      CLAT = clat({LATS:LATN})      ; do once for *slight* efficiency
forrest@0: ;      TEMP = bi({LATS:LATN},:)      ; 2D [lat,lon]
forrest@0:  
forrest@0:       do i=0,nlon-1
forrest@0:        if (i.eq.0 .or. i.eq.nlon-1) then
forrest@0:           if (i.eq.0) then
forrest@0:              LONL = 0.          
forrest@0:              LONR = lon(i)+0.5*(lon(i+1)-lon(i))
forrest@0:           end if
forrest@0:           if (i.eq.nlon-1) then
forrest@0:              LONL = lon(i)-0.5*(lon(i)-lon(i-1))
forrest@0:              LONR = 360.                 
forrest@0:           end if
forrest@0:        else
forrest@0:           LONL = lon(i)-0.5*(lon(i)-lon(i-1))
forrest@0:           LONR = lon(i)+0.5*(lon(i+1)-lon(i))
forrest@0:        end if
forrest@0: 
forrest@0: ;print (LATS)
forrest@0: ;print (LATN)
forrest@0: ;print (LONL)
forrest@0: ;print (LONR)
forrest@0:          bo(j,i) = avg(bi({LATS:LATN},{LONL:LONR}))  
forrest@0: ;        bo(j,i) = wgt_areaave(TEMP(:,{LONL:LONR}), CLAT, 1.0, 0)
forrest@0:       end do
forrest@0:  
forrest@0: ;     delete(CLAT)
forrest@0: ;     delete(TEMP) 
forrest@0:     end do
forrest@0: 
forrest@0:   bo!0   = "lat"
forrest@0:   bo!1   = "lon"
forrest@0:   bo&lat =  lat
forrest@0:   bo&lon =  lon
forrest@0:   bo@units      = bi@units
forrest@0:   bo@long_name  = bi@long_name
forrest@0: ; bo@_FillValue = bi@_FillValue
forrest@0:   bo@_FillValue = 1.e+36
forrest@0: 
forrest@0:   c->NPP  = bo
forrest@0: end