Azimuth angle of the sun (0 to 360 degrees).
phi0 value
Sun in the South    0 degrees
Sun in the West    90 degrees
Sun in the North  180 degrees
Sun in the East   270 degrees

For all one-dimensional solvers the absolute azimuth does not matter, but only the relative azimuth phi-phi0.





Arve Kylling 2010-03-10