NATS 101

Lecture 6
Greenhouse Effect and Earth-Atmo Energy Balance
Review Items
New Business
Modes of Heat Transfer
Latent Heat Take 2
General Laws of Radiation
SunŐs Radiation Spectrum
Sun - Earth Radiation Spectra
What is Radiative Temperature of Sun if Max Emission Occurs at 0.5 mm?
How Much More Energy is Emitted by the Sun than the Earth?
Radiative Equilibrium
Radiative Equilibrium (cont.)
Why Selective, Discrete Absorption/Emission?
Energy States for Atoms
Energy States for Molecules
Selective Absorption
Absorption
Total Atmospheric Absorption
Simple Example of the Greenhouse Effect
(0% Solar absorbed, 100% IR absorbed)
Global Solar Radiation Balance     (Not all Solar Radiation SR reaches the surface)
Atmosphere Heated from Below
Global Atmo Energy Balance
Summary
Assignments for Next Lectures