earthkit.meteo.solar.array.cos_solar_zenith_angle

earthkit.meteo.solar.array.cos_solar_zenith_angle(date, latitudes, longitudes)

Compute cosine of the solar zenith angle.

Parameters:

• date (datetime.datetime) – Date.

• latitudes (array-like) – Latitude values in degrees.

• longitudes (array-like) – Longitude values in degrees.

Returns:

Cosine of the solar zenith angle. Negative values are clipped to 0. [Hogan_and_Hirahara2015]. See also: http://answers.google.com/answers/threadview/id/782886.html

Return type:

array-like