Radiation Fluxes in Natural Environments
Solar Zenith Angle (degrees)
FIGURE 11.2. Beam (Sb), diffuse (Sd), and total solar radiation (St) as a function
of zenith angle for a very clear sky.
0
10 20 30 40 50 60 70 80 90
Solar Zenith Angle (degrees)
FIGURE 11.3. Similar to Fig. 11.2, but for turbid or polluted air.
Solar Zenith Angle (degrees)
FIGURE 11.2. Beam (Sb), diffuse (Sd), and total solar radiation (St) as a function
of zenith angle for a very clear sky.
0
10 20 30 40 50 60 70 80 90
Solar Zenith Angle (degrees)
FIGURE 11.3. Similar to Fig. 11.2, but for turbid or polluted air.