ensaio.v1.fetch_earth_geoid

ensaio.v1.fetch_earth_geoid()[source]

Geoid height of the Earth at 10 arc-minute resolution

The grid is global with node spacing of 10 arc-minutes (grid-node registered) and stored in netCDF with CF-compliant metadata.

The geoid height is derived from the EIGEN-6C4 spherical harmonic model of the Earth’s gravity field.

There are 1081 x 2161 grid points in total. Coordinates are longitude and latitude (geodetic).

Format: netCDF4 with zlib compression

Load with: xarray.load_dataarray (requires the netcdf4 library)

Datum: WGS84

Original source: EIGEN-6C4 model

Original license: CC-BY

Returns

fname (pathlib.Path) – Path to the downloaded file on disk.

Examples using ensaio.v1.fetch_earth_geoid