earthkit.meteo.solar.fieldlist.cos_solar_zenith_angle

earthkit.meteo.solar.fieldlist.cos_solar_zenith_angle(date, data)

Compute the cosine of the solar zenith angle.

Parameters:

• date (datetime.datetime) – Date/time.

• data (FieldList|Field) – Field(s) whose geography provides latitude and longitude values.

Returns:

Cosine of the solar zenith angle (clipped to be non-negative). The result has the same type as the input (FieldList or Field).

Return type:

FieldList|Field