Download Climate Change Part 3.2 Theory

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Transcript 
3. Climate Change
3.1 Observations
3.2 Theory of Climate Change
3.3 Climate Change Prediction
3.4 The IPCC Process
3.2 Theory of Climate Change - The Greenhouse Effect
The Greenhouse Effect is a fundamental physical effect
that is NOT controversial.
It is an important effect that keeps our planet
considerably warmer than if it did not operate.
This is because water vapor is a strong greenhouse
gas.
Solar Radiation
Received at TOA
Solar absorbed
Northward transport
by atmosphere
3
Outgoing
radiation
Northward transport
of energy
Incoming and Outgoing Radiation
Incoming Solar
radiation
OutgoingTerrestrial
radiation
Visible
radiation
Solar radiation is shortwave
Terrestrial radiation is longwave (infrared)
4
Earth’s Energy Budget
5
Short Wave Radiation reflected from surface:
Annual Long Term Mean
6
Monthly Mean OLR
7
Net Radiation at the top of the atmosphere
8
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