earthkit.data.utils.meteo

Attributes

DAYS_PER_YEAR

Functions

cos_solar_zenith_angle(date, latitudes, longitudes)	Cosine of solar zenith angle.
incoming_solar_radiation(date)
julian_day(date)
solar_declination_angle(date)
toa_incident_solar_radiation(begin_date, end_date, ...)

Module Contents

earthkit.data.utils.meteo.DAYS_PER_YEAR = 365.25

earthkit.data.utils.meteo.cos_solar_zenith_angle(date, latitudes, longitudes)

Cosine of solar zenith angle.

Parameters:

• date (datetime.datetime) – Date

• latitudes (array-like) – Latitude [degrees]

• longitudes (array-like) – Longitude [degrees]

Returns:

Cosine of the solar zenith angle (all values, including negatives) [Hogan_and_Hirahara2015]. See also: http://answers.google.com/answers/threadview/id/782886.html

Return type:

float array

earthkit.data.utils.meteo.incoming_solar_radiation(date)

earthkit.data.utils.meteo.julian_day(date)

earthkit.data.utils.meteo.solar_declination_angle(date)

earthkit.data.utils.meteo.toa_incident_solar_radiation(begin_date, end_date, latitudes, longitudes, *, intervals_per_hour=1, integration_order=3)