npp/03.0.05deg_to_T42.ncl
changeset 0 0c6405ab2ff4
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/npp/03.0.05deg_to_T42.ncl	Mon Jan 26 22:08:20 2009 -0500
     1.3 @@ -0,0 +1,142 @@
     1.4 +; ***********************************************
     1.5 +; interpolate into model grids (T31)
     1.6 +; ***********************************************
     1.7 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
     1.8 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
     1.9 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
    1.10 +;************************************************
    1.11 +begin
    1.12 +;************************************************
    1.13 +; output data
    1.14 +;************************************************
    1.15 +  diro  = "/fis/cgd/cseg/people/jeff/clamp_data/"
    1.16 +  filo  = "Npp_T42_mean.nc"
    1.17 +  c = addfile(diro+filo,"c")
    1.18 +
    1.19 +;************************************************
    1.20 +; read in observed data
    1.21 +;************************************************
    1.22 +  diri  = "/fis/cgd/cseg/people/jeff/clamp_data/"
    1.23 +  fili  = "Npp_0.05deg_mean.nc"
    1.24 +  g     = addfile (diri+fili,"r")
    1.25 +  bi    = g->NPP   
    1.26 +  xi    = g->lon 
    1.27 +  yi    = g->lat
    1.28 +
    1.29 +;************************************************
    1.30 +; change into 0-360E, 90S-90N
    1.31 +; Observed NPP*scale_factor
    1.32 +;************************************************
    1.33 +
    1.34 + scale_factor = 0.1
    1.35 + 
    1.36 + yi    = (/ yi(::-1) /)
    1.37 + bi    =  (/ bi(::-1,:) /)
    1.38 + b2    = bi
    1.39 + x2    = xi   
    1.40 + 
    1.41 + nx = dimsizes(xi)
    1.42 + do i= 0,nx-1
    1.43 +    if (i .lt. 3600) then
    1.44 +       p = i + 3600
    1.45 +       xi(p) = x2(i) + 360.      
    1.46 +    else
    1.47 +       p = i - 3600
    1.48 +       xi(p) = x2(i)
    1.49 +    end if
    1.50 +    bi(:,p)= b2(:,i) * scale_factor
    1.51 + end do
    1.52 +
    1.53 + bi&lat =  yi
    1.54 + bi&lon =  xi
    1.55 +
    1.56 +;print (xi)
    1.57 +;print (yi)
    1.58 +;exit
    1.59 +
    1.60 +;************************************************
    1.61 +; read in model data
    1.62 +;************************************************
    1.63 +;fili2  = "i01.04casa_1605-1629_ANN_climo.nc"
    1.64 + fili2  = "i01.03cn_1545-1569_ANN_climo.nc"
    1.65 + f     = addfile (diri+fili2,"r")
    1.66 +
    1.67 + lon    = f->lon     
    1.68 + lat    = f->lat
    1.69 + nlon   = dimsizes(lon)
    1.70 + nlat   = dimsizes(lat)      
    1.71 +
    1.72 +; print (xi)
    1.73 +; print (yi)
    1.74 +; print (xo)
    1.75 +; print (yo)
    1.76 +
    1.77 +;(A)
    1.78 +;bo = linint2_Wrap(xi,yi,bi,True,xo,yo,0)
    1.79 +
    1.80 +;(B)
    1.81 +
    1.82 +  rad   = 4.*atan(1.)/180.
    1.83 +  clat  = lat
    1.84 +  clat  = cos(lat*rad)
    1.85 +  clat@long_name = "cos(latitude)"
    1.86 +  delete(clat@units)
    1.87 +  printVarSummary(clat)
    1.88 +
    1.89 + bo = new((/nlat,nlon/),float)
    1.90 +    do j=0,nlat-1
    1.91 +       if (j.eq.0 .or. j.eq.nlat-1) then
    1.92 +          if (j.eq.0) then
    1.93 +             LATS = -90.          
    1.94 +             LATN = lat(j)+0.5*(lat(j+1)-lat(j))
    1.95 +          end if
    1.96 +          if (j.eq.nlat-1) then
    1.97 +             LATS = lat(j)-0.5*(lat(j)-lat(j-1))
    1.98 +             LATN = 90.                  
    1.99 +          end if
   1.100 +       else
   1.101 +          LATS = lat(j)-0.5*(lat(j)-lat(j-1))
   1.102 +          LATN = lat(j)+0.5*(lat(j+1)-lat(j))
   1.103 +       end if
   1.104 + 
   1.105 +;      CLAT = clat({LATS:LATN})      ; do once for *slight* efficiency
   1.106 +;      TEMP = bi({LATS:LATN},:)      ; 2D [lat,lon]
   1.107 + 
   1.108 +      do i=0,nlon-1
   1.109 +       if (i.eq.0 .or. i.eq.nlon-1) then
   1.110 +          if (i.eq.0) then
   1.111 +             LONL = 0.          
   1.112 +             LONR = lon(i)+0.5*(lon(i+1)-lon(i))
   1.113 +          end if
   1.114 +          if (i.eq.nlon-1) then
   1.115 +             LONL = lon(i)-0.5*(lon(i)-lon(i-1))
   1.116 +             LONR = 360.                 
   1.117 +          end if
   1.118 +       else
   1.119 +          LONL = lon(i)-0.5*(lon(i)-lon(i-1))
   1.120 +          LONR = lon(i)+0.5*(lon(i+1)-lon(i))
   1.121 +       end if
   1.122 +
   1.123 +;print (LATS)
   1.124 +;print (LATN)
   1.125 +;print (LONL)
   1.126 +;print (LONR)
   1.127 +         bo(j,i) = avg(bi({LATS:LATN},{LONL:LONR}))  
   1.128 +;        bo(j,i) = wgt_areaave(TEMP(:,{LONL:LONR}), CLAT, 1.0, 0)
   1.129 +      end do
   1.130 + 
   1.131 +;     delete(CLAT)
   1.132 +;     delete(TEMP) 
   1.133 +    end do
   1.134 +
   1.135 +  bo!0   = "lat"
   1.136 +  bo!1   = "lon"
   1.137 +  bo&lat =  lat
   1.138 +  bo&lon =  lon
   1.139 +  bo@units      = bi@units
   1.140 +  bo@long_name  = bi@long_name
   1.141 +; bo@_FillValue = bi@_FillValue
   1.142 +  bo@_FillValue = 1.e+36
   1.143 +
   1.144 +  c->NPP  = bo
   1.145 +end
   1.146 \ No newline at end of file