m_Kasten: Calculation of relative air mass based on Kasten parametrization
Description
Calculation of relative air mass based on Kasten parametrization
Usage
m_Kasten(Sun_elev, z)
Arguments
Sun_elev
Sun elevation angle (degrees) above horizon
z
Site elevation above sea level (m)
Value
Relative air mass based on Kasten parametrization
References
Kasten, F. A simple parameterization of the phyrheliometric formula for determining the Linke turbidity factor. Meteorol. Rdsch. 1980, 33, 124<U+2013>127.