I would like to have elevation data associated with ERA5-Land dataset in Google Earth Engine. As far as I’m aware these data are not currently available in GEE, so I need to upload as a user asset.
I have downloaded the geopotential file supplied as netcdf by ECMWF, which has a size of 3600 x 1801 pixels, whereas the ERA5-Land image collections in Earth Engine are 3601 x 1801. In the netcdf, the longitude variable (length==3600) has values 0 to 359.9 spaced every 0.1 degrees.
How do I need to modify the geopotential data to conform to the GEE image collections so that elevations correctly align with the climate data?
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