pvlib.location.Location.get_airmass#

Location.get_airmass(times=None, solar_position=None, model='kastenyoung1989')[source]#

Calculate the relative and absolute airmass.

Automatically chooses zenith or apparant zenith depending on the selected model.

Parameters

  • times (None or DatetimeIndex, default None) – Only used if solar_position is not provided.

  • solar_position (None or DataFrame, default None) – DataFrame with columns ‘apparent_zenith’, ‘zenith’.

  • model (str, default 'kastenyoung1989') – Relative airmass model. See pvlib.atmosphere.get_relative_airmass() for a list of available models.

Returns

airmass (DataFrame) – Columns are ‘airmass_relative’, ‘airmass_absolute’

See also

pvlib.atmosphere.get_relative_airmass

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