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)