regridding problem

Hi all,

I am regridding a nc file data (data.nc) in 1x1 to a new data nc file (
regrid_data.nc) in 2x5. It seems the ncl script I used below works fine (no
error information etc.). But plots (attached) created by using these two
files look different. Could anyone tell me what is wrong?

I have uploaded the files data.nc and regrid_data.nc to the ftp site under
incoming.
Thanks,
Xiaoyan

==========================================
begin
f = addfile ("data.nc", "r")
var0=f->Deep_Blue_Aerosol_Optical_Depth_550_Land_QA_Mean
printVarSummary(var0)
printVarSummary(var0)
;create a sequence for the new values of lat
newlat=fspan(-85.0,85.0,85)
;create a sequence for the new values of lon
newlon=fspan(-180.0,180.0,72)
newlat@units = "degrees_north"
newlon@units = "degrees_east"
var=linint2(var0&lon,var0&lat,var0,True,newlon,newlat,0)
var!0 = "LAT"
var!1 = "LON"
var&LAT = newlat
var&LON = newlon
printVarSummary(var)
fout=addfile("regrid_data.nc","c")
fout@title="Regrid_85*72"
fout->var=var
end

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