diff -r 000000000000 -r 0c6405ab2ff4 npp/03.0.05deg_to_T42.ncl --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/npp/03.0.05deg_to_T42.ncl Mon Jan 26 22:08:20 2009 -0500 @@ -0,0 +1,142 @@ +; *********************************************** +; interpolate into model grids (T31) +; *********************************************** +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl" +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl" +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" +;************************************************ +begin +;************************************************ +; output data +;************************************************ + diro = "/fis/cgd/cseg/people/jeff/clamp_data/" + filo = "Npp_T42_mean.nc" + c = addfile(diro+filo,"c") + +;************************************************ +; read in observed data +;************************************************ + diri = "/fis/cgd/cseg/people/jeff/clamp_data/" + fili = "Npp_0.05deg_mean.nc" + g = addfile (diri+fili,"r") + bi = g->NPP + xi = g->lon + yi = g->lat + +;************************************************ +; change into 0-360E, 90S-90N +; Observed NPP*scale_factor +;************************************************ + + scale_factor = 0.1 + + yi = (/ yi(::-1) /) + bi = (/ bi(::-1,:) /) + b2 = bi + x2 = xi + + nx = dimsizes(xi) + do i= 0,nx-1 + if (i .lt. 3600) then + p = i + 3600 + xi(p) = x2(i) + 360. + else + p = i - 3600 + xi(p) = x2(i) + end if + bi(:,p)= b2(:,i) * scale_factor + end do + + bi&lat = yi + bi&lon = xi + +;print (xi) +;print (yi) +;exit + +;************************************************ +; read in model data +;************************************************ +;fili2 = "i01.04casa_1605-1629_ANN_climo.nc" + fili2 = "i01.03cn_1545-1569_ANN_climo.nc" + f = addfile (diri+fili2,"r") + + lon = f->lon + lat = f->lat + nlon = dimsizes(lon) + nlat = dimsizes(lat) + +; print (xi) +; print (yi) +; print (xo) +; print (yo) + +;(A) +;bo = linint2_Wrap(xi,yi,bi,True,xo,yo,0) + +;(B) + + rad = 4.*atan(1.)/180. + clat = lat + clat = cos(lat*rad) + clat@long_name = "cos(latitude)" + delete(clat@units) + printVarSummary(clat) + + bo = new((/nlat,nlon/),float) + do j=0,nlat-1 + if (j.eq.0 .or. j.eq.nlat-1) then + if (j.eq.0) then + LATS = -90. + LATN = lat(j)+0.5*(lat(j+1)-lat(j)) + end if + if (j.eq.nlat-1) then + LATS = lat(j)-0.5*(lat(j)-lat(j-1)) + LATN = 90. + end if + else + LATS = lat(j)-0.5*(lat(j)-lat(j-1)) + LATN = lat(j)+0.5*(lat(j+1)-lat(j)) + end if + +; CLAT = clat({LATS:LATN}) ; do once for *slight* efficiency +; TEMP = bi({LATS:LATN},:) ; 2D [lat,lon] + + do i=0,nlon-1 + if (i.eq.0 .or. i.eq.nlon-1) then + if (i.eq.0) then + LONL = 0. + LONR = lon(i)+0.5*(lon(i+1)-lon(i)) + end if + if (i.eq.nlon-1) then + LONL = lon(i)-0.5*(lon(i)-lon(i-1)) + LONR = 360. + end if + else + LONL = lon(i)-0.5*(lon(i)-lon(i-1)) + LONR = lon(i)+0.5*(lon(i+1)-lon(i)) + end if + +;print (LATS) +;print (LATN) +;print (LONL) +;print (LONR) + bo(j,i) = avg(bi({LATS:LATN},{LONL:LONR})) +; bo(j,i) = wgt_areaave(TEMP(:,{LONL:LONR}), CLAT, 1.0, 0) + end do + +; delete(CLAT) +; delete(TEMP) + end do + + bo!0 = "lat" + bo!1 = "lon" + bo&lat = lat + bo&lon = lon + bo@units = bi@units + bo@long_name = bi@long_name +; bo@_FillValue = bi@_FillValue + bo@_FillValue = 1.e+36 + + c->NPP = bo +end \ No newline at end of file