1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/lai/03.land_class_to_1.9.ncl Mon Jan 26 22:08:20 2009 -0500
1.3 @@ -0,0 +1,139 @@
1.4 +; ***********************************************
1.5 +; interpolate into model grids (T42)
1.6 +; output: lat: S->N lon: 0->360
1.7 +; input : lat: N->S lon: -180->180
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 + nclass = 20
1.16 +
1.17 +;************************************************
1.18 +; output data
1.19 +;************************************************
1.20 + diro = "/fis/cgd/cseg/people/jeff/clamp_data/lai/ob/"
1.21 + filo = "land_class_1.9.nc"
1.22 + c = addfile(diro+filo,"c")
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 = "land_class_0.25deg_new.nc"
1.29 + g = addfile (diri+fili,"r")
1.30 + bi = g->LAND_CLASS
1.31 + xi = g->lon
1.32 + yi = g->lat
1.33 +
1.34 +;************************************************
1.35 +; change into 0-360E, 90S-90N
1.36 +;************************************************
1.37 +
1.38 + yi = (/ yi(::-1) /)
1.39 + bi = (/ bi(::-1,:) /)
1.40 + printVarSummary(bi)
1.41 +
1.42 + b2 = bi
1.43 + x2 = xi
1.44 +
1.45 + nx = dimsizes(xi)
1.46 + nx2 = nx/2
1.47 +
1.48 + do i= 0,nx-1
1.49 + if (i .lt. nx2) then
1.50 + p = i + nx2
1.51 + xi(p) = x2(i) + 360.
1.52 + else
1.53 + p = i - nx2
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 +;exit
1.65 +
1.66 +;************************************************
1.67 +; read in model data
1.68 +;************************************************
1.69 + diri2 = "/fis/cgd/cseg/people/jeff/clamp_data/model/"
1.70 + fili2 = "newcn05_ncep_1i_MONS_climo_lnd.nc"
1.71 + f = addfile (diri2+fili2,"r")
1.72 +
1.73 + lon = f->lon
1.74 + lat = f->lat
1.75 + nlon = dimsizes(lon)
1.76 + nlat = dimsizes(lat)
1.77 +
1.78 +; print (xi)
1.79 +; print (yi)
1.80 +; print (xo)
1.81 +; print (yo)
1.82 +
1.83 + bo = new((/nlat,nlon/),integer)
1.84 + count = new((/nclass/),integer)
1.85 +
1.86 + do j=0,nlat-1
1.87 + if (j.eq.0 .or. j.eq.nlat-1) then
1.88 + if (j.eq.0) then
1.89 + LATS = -90.
1.90 + LATN = lat(j)+0.5*(lat(j+1)-lat(j))
1.91 + end if
1.92 + if (j.eq.nlat-1) then
1.93 + LATS = lat(j)-0.5*(lat(j)-lat(j-1))
1.94 + LATN = 90.
1.95 + end if
1.96 + else
1.97 + LATS = lat(j)-0.5*(lat(j)-lat(j-1))
1.98 + LATN = lat(j)+0.5*(lat(j+1)-lat(j))
1.99 + end if
1.100 +
1.101 + do i=0,nlon-1
1.102 + if (i.eq.0 .or. i.eq.nlon-1) then
1.103 + if (i.eq.0) then
1.104 + LONL = 0.
1.105 + LONR = lon(i)+0.5*(lon(i+1)-lon(i))
1.106 + end if
1.107 + if (i.eq.nlon-1) then
1.108 + LONL = lon(i)-0.5*(lon(i)-lon(i-1))
1.109 + LONR = 360.
1.110 + end if
1.111 + else
1.112 + LONL = lon(i)-0.5*(lon(i)-lon(i-1))
1.113 + LONR = lon(i)+0.5*(lon(i+1)-lon(i))
1.114 + end if
1.115 +
1.116 +;print (LATS)
1.117 +;print (LATN)
1.118 +;print (LONL)
1.119 +;print (LONR)
1.120 +
1.121 + count = 0
1.122 +
1.123 + do n = 0,nclass-1
1.124 + count(n) = num (bi({LATS:LATN},{LONL:LONR}).eq.n)
1.125 + end do
1.126 +
1.127 + bo(j,i) = maxind(count)
1.128 + end do
1.129 + end do
1.130 +
1.131 + bo!0 = "lat"
1.132 + bo!1 = "lon"
1.133 + bo&lat = lat
1.134 + bo&lon = lon
1.135 + bo@units = bi@units
1.136 + bo@long_name = bi@long_name
1.137 + bo@_FillValue = bi@_FillValue
1.138 +
1.139 + print (min(bo) + "/" + max(bo))
1.140 +
1.141 + c->LAND_CLASS = bo
1.142 +end
1.143 \ No newline at end of file