1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/lai/03.lai_ob_to_0.25deg.ncl.0 Mon Jan 26 22:08:20 2009 -0500
1.3 @@ -0,0 +1,157 @@
1.4 +; ***********************************************
1.5 +; interpolate into 0.25degree
1.6 +; no change in lat and lon, to be in consistent with
1.7 +; land class data
1.8 +; ***********************************************
1.9 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
1.10 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
1.11 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
1.12 +;************************************************
1.13 +begin
1.14 +
1.15 + year = 2003
1.16 +
1.17 +;************************************************
1.18 +; output data
1.19 +;************************************************
1.20 + diro = "/fis/cgd/cseg/people/jeff/clamp_data/lai/"
1.21 + filo = "LAI_2000-2005_mean_0.25.nc"
1.22 + c = addfile(diro+filo,"c")
1.23 + filedimdef(c,"time",-1,True)
1.24 +
1.25 +;************************************************
1.26 +; read in observed data
1.27 +;************************************************
1.28 + diri = "/fis/cgd/cseg/people/jeff/clamp_data/lai/"
1.29 +; fili = "LAI_2000-2005_mean_0.05deg.nc"
1.30 + fili = "LAI_2000-2005_ensemble_0.05deg.nc"
1.31 + g = addfile (diri+fili,"r")
1.32 + bi = g->LAI
1.33 + xi = g->lon
1.34 + yi = g->lat
1.35 +
1.36 +;************************************************
1.37 +; change into 0-360E, 90S-90N
1.38 +; Observed NPP*scale_factor
1.39 +;************************************************
1.40 +
1.41 + yi = (/ yi(::-1) /)
1.42 + bi = (/ bi(:,::-1,:) /)
1.43 + printVarSummary(bi)
1.44 +
1.45 + b2 = bi
1.46 + x2 = xi
1.47 +
1.48 + nx = dimsizes(xi)
1.49 + do i= 0,nx-1
1.50 + if (i .lt. 3600) then
1.51 + p = i + 3600
1.52 + xi(p) = x2(i) + 360.
1.53 + else
1.54 + p = i - 3600
1.55 + xi(p) = x2(i)
1.56 + end if
1.57 + bi(:,:,p)= b2(:,:,i)
1.58 + end do
1.59 +
1.60 + bi&lat = yi
1.61 + bi&lon = xi
1.62 +
1.63 +;print (xi)
1.64 +;print (yi)
1.65 +;exit
1.66 +
1.67 +;************************************************
1.68 +; read in model data
1.69 +;************************************************
1.70 +;fili2 = "i01.03cn_1545-1569_ANN_climo.nc"
1.71 + fili2 = ""
1.72 + f = addfile (diri+fili2,"r")
1.73 +
1.74 + lon = f->lon
1.75 + lat = f->lat
1.76 + nlon = dimsizes(lon)
1.77 + nlat = dimsizes(lat)
1.78 +
1.79 +; print (xi)
1.80 +; print (yi)
1.81 +; print (xo)
1.82 +; print (yo)
1.83 +
1.84 +;(A)
1.85 +;bo = linint2_Wrap(xi,yi,bi,True,xo,yo,0)
1.86 +
1.87 +;(B)
1.88 +
1.89 +; rad = 4.*atan(1.)/180.
1.90 +; clat = lat
1.91 +; clat = cos(lat*rad)
1.92 +; clat@long_name = "cos(latitude)"
1.93 +; delete(clat@units)
1.94 +; printVarSummary(clat)
1.95 +
1.96 + bo = new((/12,nlat,nlon/),float)
1.97 +;bo = new((/1,nlat,nlon/),float)
1.98 + do m = 0,11
1.99 + do j=0,nlat-1
1.100 + if (j.eq.0 .or. j.eq.nlat-1) then
1.101 + if (j.eq.0) then
1.102 + LATS = -90.
1.103 + LATN = lat(j)+0.5*(lat(j+1)-lat(j))
1.104 + end if
1.105 + if (j.eq.nlat-1) then
1.106 + LATS = lat(j)-0.5*(lat(j)-lat(j-1))
1.107 + LATN = 90.
1.108 + end if
1.109 + else
1.110 + LATS = lat(j)-0.5*(lat(j)-lat(j-1))
1.111 + LATN = lat(j)+0.5*(lat(j+1)-lat(j))
1.112 + end if
1.113 +
1.114 +; CLAT = clat({LATS:LATN}) ; do once for *slight* efficiency
1.115 +; TEMP = bi(:,{LATS:LATN},:) ; 2D [lat,lon]
1.116 +
1.117 + do i=0,nlon-1
1.118 + if (i.eq.0 .or. i.eq.nlon-1) then
1.119 + if (i.eq.0) then
1.120 + LONL = 0.
1.121 + LONR = lon(i)+0.5*(lon(i+1)-lon(i))
1.122 + end if
1.123 + if (i.eq.nlon-1) then
1.124 + LONL = lon(i)-0.5*(lon(i)-lon(i-1))
1.125 + LONR = 360.
1.126 + end if
1.127 + else
1.128 + LONL = lon(i)-0.5*(lon(i)-lon(i-1))
1.129 + LONR = lon(i)+0.5*(lon(i+1)-lon(i))
1.130 + end if
1.131 +
1.132 +;print (LATS)
1.133 +;print (LATN)
1.134 +;print (LONL)
1.135 +;print (LONR)
1.136 +; bo(:,j,i) = avg(bi(:,{LATS:LATN},{LONL:LONR}))
1.137 + bo(m,j,i) = avg(bi(m,{LATS:LATN},{LONL:LONR}))
1.138 +; bo(:,j,i) = wgt_areaave(TEMP(:,{LONL:LONR}), CLAT, 1.0, 0)
1.139 + end do
1.140 +
1.141 +; delete(CLAT)
1.142 +; delete(TEMP)
1.143 + end do
1.144 + end do
1.145 +
1.146 + bo!0 = "time"
1.147 + bo!1 = "lat"
1.148 + bo!2 = "lon"
1.149 + bo&time= bi&time
1.150 +; bo&time= 1
1.151 + bo&lat = lat
1.152 + bo&lon = lon
1.153 +; bo@units = bi@units
1.154 +; bo@long_name = bi@long_name
1.155 + bo@units = "none"
1.156 + bo@long_name = "Leaf Area Index"
1.157 + bo@_FillValue = bi@_FillValue
1.158 +
1.159 + c->LAI = bo
1.160 +end
1.161 \ No newline at end of file