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Hi Yuqiang,
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<div>Thanks for the instructions, but the same problem occurred after changing the order.</div>
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<div>Here are the code.
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<div>load "$NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl"</div>
<div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"</div>
<div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"</div>
<div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" </div>
<div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl" </div>
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<div>begin</div>
<div>fili = "2000_MPI-ESM-MR.nc"</div>
<div>a = addfile (fili, "r")</div>
<div>t=a->y</div>
<div>t = lonFlip(t)</div>
<div>printVarSummary(t)</div>
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<div>newlat=fspan(-89.50,89.50,180) ;create a sequence for the new values of lat </div>
<div>newlon=fspan(-179.5,179.5,360) ;create a sequence for the new values of lon</div>
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<div>newlat@units = "degrees_north"</div>
<div>newlon@units = "degrees_east"</div>
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<div>opt = True</div>
<div>opt@DstGridLat = newlat</div>
<div>opt@DstGridLon = newlon</div>
<div>opt@ForceOverwrite = True</div>
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<div>;opt@InterpMethod = "bilinear"</div>
<div>;t_regrid_bilinear = ESMF_regrid(t,opt)</div>
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<div>;opt@InterpMethod = "neareststod"</div>
<div>;t_regrid_nearest = ESMF_regrid(t,opt)</div>
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<div>opt@InterpMethod = "conserve"</div>
<div>t_regrid_conserve = ESMF_regrid(t,opt)</div>
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<div>printMinMax(t,0)</div>
<div>;printMinMax(t_regrid_bilinear,0)</div>
<div>printMinMax(t_regrid_conserve,0)</div>
<div>;printMinMax(t_regrid_nearest,0)</div>
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<div>filo = "Regrid."+fili</div>
<div>system("/bin/rm -f "+filo)</div>
<div>fout=addfile(filo,"c")</div>
<div>fout@creation_date = systemfunc("date")</div>
<div>fout@title="Regrid_1*1 of "+fili</div>
<div>fout->regrid=t_regrid_conserve</div>
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<div>end</div>
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