> Is this original data for 1950-1978 accessable from the Copernicus web site via the steps described at https://confluence.ecmwf.int/display/CKB/How+to+download+ERA5 under
> “Option B: Download ERA5 family data that is
NOT
listed in the
CDS
online catalogue –
SLOW
ACCESS”?
I do not know.
> If not, where to get this original data?
I also do not know, you may ask at DKRZ how they do it.
> Is it alternatively possible to use the interpolated data, available via the Copernicus web site, for the int2lm tool?
Yes, it would be, but you have to write a converter program on your own.
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> Is this original data for 1950-1978 accessable from the Copernicus web site via the steps described at https://confluence.ecmwf.int/display/CKB/How+to+download+ERA5 under
> “Option B: Download ERA5 family data that is NOT listed in the CDS online catalogue – SLOW ACCESS”?
I do not know.
> If not, where to get this original data?
I also do not know, you may ask at DKRZ how they do it.
> Is it alternatively possible to use the interpolated data, available via the Copernicus web site, for the int2lm tool?
Yes, it would be, but you have to write a converter program on your own.