earthkit.meteo.solar.xarray.cos_solar_zenith_angle¶
- earthkit.meteo.solar.xarray.cos_solar_zenith_angle(date, latitudes, longitudes)¶
Compute the cosine of the solar zenith angle.
- Parameters:
date (
datetime.datetime) – Date/time (typically a scalar applying to all latitude/longitude points).latitudes (
xarray.DataArray) – Latitude (degrees).longitudes (
xarray.DataArray) – Longitude (degrees).
- Returns:
Cosine of the solar zenith angle (clipped to be non-negative).
- Return type:
xarray.DataArray
Notes
The result is clipped to the [0, 1] range by setting negative values to 0.