Absorption
¥Visible (0.4-0.7 mm)
is absorbed very little
¥O2 an O3 absorb UV (shorter
than 0.3 mm)
¥Infrared
(5-20 mm)
is selectively absorbed
¥H2O
& CO2 are strong absorbers
of IR
¥Little
absorption of IR around 10 mm
– atmospheric
window
¥
Ahrens,
Fig. 2.9
