[CDO] lowpass highpass bandpass filtering

references: lowpass, bandpass

 

For filtering more than 10 months using monthly data.

cdo lowpass,0.1 sst.anomaly.nc out.nc

 

For filtering between 30-60 days

cdo bandpass,365/60,365/30 sst.day.ano.nc out.nc

 

If there is some trouble with this message,

“(Abort): Missing value support for operators in module Filter not added yet”

then, do the following command, it is for set missing value (e.f. land).

 

cdo setmisstoc,0 ifile ofile   ref

 

So, Simple 🙂