1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/lai/03.lai_ob_to_T31.ncl Mon Jan 26 22:08:20 2009 -0500
1.3 @@ -0,0 +1,133 @@
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 + year = 2000
1.14 +
1.15 +;************************************************
1.16 +; output data
1.17 +;************************************************
1.18 + diro = "/fis/cgd/cseg/people/jeff/clamp_data/lai/ob/"
1.19 + filo = "LAI_" + year + "_monthly_T31.nc"
1.20 +
1.21 + c = addfile(diro+filo,"c")
1.22 + filedimdef(c,"time",-1,True)
1.23 +
1.24 +;************************************************
1.25 +; read in observed data
1.26 +;************************************************
1.27 + diri = "/fis/cgd/cseg/people/jeff/clamp_data/lai/ob/"
1.28 + fili = "LAI_" + year + "_monthly.nc"
1.29 +
1.30 + g = addfile (diri+fili,"r")
1.31 + bi = g->LAI
1.32 + xi = g->lon
1.33 + yi = g->lat
1.34 +
1.35 +;************************************************
1.36 +; change into 0-360E, 90S-90N
1.37 +; Observed NPP*scale_factor
1.38 +;************************************************
1.39 +
1.40 + yi = (/ yi(::-1) /)
1.41 + bi = (/ bi(:,::-1,:) /)
1.42 + printVarSummary(bi)
1.43 +
1.44 + b2 = bi
1.45 + x2 = xi
1.46 +
1.47 + nx = dimsizes(xi)
1.48 + do i= 0,nx-1
1.49 + if (i .lt. 3600) then
1.50 + p = i + 3600
1.51 + xi(p) = x2(i) + 360.
1.52 + else
1.53 + p = i - 3600
1.54 + xi(p) = x2(i)
1.55 + end if
1.56 + bi(:,:,p)= b2(:,:,i)
1.57 + end do
1.58 +
1.59 + bi&lat = yi
1.60 + bi&lon = xi
1.61 +
1.62 +;print (xi)
1.63 +;print (yi)
1.64 +
1.65 +;************************************************
1.66 +; read in model data
1.67 +;************************************************
1.68 + diri2 = "/fis/cgd/cseg/people/jeff/clamp_data/model/"
1.69 + fili2 = "b30.061n_1995-2004_MONS_climo_lnd.nc"
1.70 + f = addfile (diri2+fili2,"r")
1.71 +
1.72 + lon = f->lon
1.73 + lat = f->lat
1.74 + nlon = dimsizes(lon)
1.75 + nlat = dimsizes(lat)
1.76 +
1.77 +; print (xi)
1.78 +; print (yi)
1.79 +; print (xo)
1.80 +; print (yo)
1.81 +
1.82 + bo = new((/12,nlat,nlon/),float)
1.83 +
1.84 + do m = 0,11
1.85 + do j=0,nlat-1
1.86 + if (j.eq.0 .or. j.eq.nlat-1) then
1.87 + if (j.eq.0) then
1.88 + LATS = -90.
1.89 + LATN = lat(j)+0.5*(lat(j+1)-lat(j))
1.90 + end if
1.91 + if (j.eq.nlat-1) then
1.92 + LATS = lat(j)-0.5*(lat(j)-lat(j-1))
1.93 + LATN = 90.
1.94 + end if
1.95 + else
1.96 + LATS = lat(j)-0.5*(lat(j)-lat(j-1))
1.97 + LATN = lat(j)+0.5*(lat(j+1)-lat(j))
1.98 + end if
1.99 +
1.100 + do i=0,nlon-1
1.101 + if (i.eq.0 .or. i.eq.nlon-1) then
1.102 + if (i.eq.0) then
1.103 + LONL = 0.
1.104 + LONR = lon(i)+0.5*(lon(i+1)-lon(i))
1.105 + end if
1.106 + if (i.eq.nlon-1) then
1.107 + LONL = lon(i)-0.5*(lon(i)-lon(i-1))
1.108 + LONR = 360.
1.109 + end if
1.110 + else
1.111 + LONL = lon(i)-0.5*(lon(i)-lon(i-1))
1.112 + LONR = lon(i)+0.5*(lon(i+1)-lon(i))
1.113 + end if
1.114 +
1.115 +;print (LATS)
1.116 +;print (LATN)
1.117 +;print (LONL)
1.118 +;print (LONR)
1.119 +
1.120 + bo(m,j,i) = avg(bi(m,{LATS:LATN},{LONL:LONR}))
1.121 + end do
1.122 + end do
1.123 + end do
1.124 +
1.125 + bo!0 = "time"
1.126 + bo!1 = "lat"
1.127 + bo!2 = "lon"
1.128 + bo&time= bi&time
1.129 + bo&lat = lat
1.130 + bo&lon = lon
1.131 + bo@units = bi@units
1.132 + bo@long_name = bi@long_name
1.133 + bo@_FillValue = bi@_FillValue
1.134 +
1.135 + c->LAI = bo
1.136 +end
1.137 \ No newline at end of file