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‘ " Fall 2009 Energy Balance and Temperature
' Chapter 3 This chapter is a continuation of the material in Chapter 2. We’re going to look at other factors
that control the temperature of the air. I. Processes Affecting Radiation 1. Absorption \ ' ‘ . . ‘ -
a. When a substance absorbs radiation it energy.
b. When a substance emits radiation it | Q Sf L8 energy. 2. Scattering/Reflection a. Scattering is the rm [TOO/1101A O? CHE m%
b. Ne enema \s absorbed c. Reﬂection is a special case of scattering. We’ll use reﬂection when referring to
visible light from the sun being reflected from cloud tops or the earth's surface One type of scattering is called g5 Ella lE ) l/l scattering: Size of object doing scattering is small compared to the WﬂVClCrlQHFl OF ﬁner-w
Most eﬁ‘ective for Shgrfer wavelm What effect does Rayleigh scattering have in the atmosphere? It causes. nae blue (Elev of- the 8M. 3. ‘l‘ransmission Transmission is the movement of radiation through the atmosphere uithout dbSOYbﬁow OP. smrrcczqu ...
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- Fall '08