Combine files with AppendAttributes

You can combine files with matching grids and time steps with the AppendAttributes filter of Paraview.

Note

If you want to add a topography, you first need to make it time dependent, e.g. with cdo:

cdo -settaxis,2020-02-01,00:00:00,1month -cat bc_land_sso_1976.nc bc_land_sso_1976.nc land_cat.nc

(note that your new time axis should cover your visualisation). Then you can use the TemporalInterpolator filter with its default settings in the same pipeline to make it match all time points of the actual data, and use that as a source for the AppendAttributes filter.