pvlib.atmosphere.angstrom_alpha¶
-
pvlib.atmosphere.
angstrom_alpha
(aod1, lambda1, aod2, lambda2)[source]¶ Calculate Angstrom alpha exponent.
Parameters: - aod1 (numeric) – first aerosol optical depth
- lambda1 (numeric) – wavelength in nanometers corresponding to
aod1
- aod2 (numeric) – second aerosol optical depth
- lambda2 (numeric) – wavelength in nanometers corresponding to
aod2
Returns: alpha (numeric) – Angstrom \(\alpha\) exponent for AOD in
(lambda1, lambda2)
See also