GLY 102 Lecture Notes - Lecture 23: Emission Intensity
26 Apr 2018
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Lecture 23 Precipitation Changes
If population doubles and everything else stays the same, then emissions
will double
If everyone in Africa were as wealthy as Americans, emissions would
increase
Which is the greater source of uncertainty in predictions of future
temperatures?
How much greenhouse gases human societies will emit
Which has the greatest carbon intensity? Coal
What is the most accurate way to make future climate predictions using
climate models? Use the average of all the climate model predictions
Mountains can create extreme precipitation
- Mountains force air upward
- Air cools
- Air loses its ability to hold moisture
- Clouds and rain form
- Windward sides of mountains tend to be rainy
Seasonal cycle of precipitation rates
Monsoon climates: rainy summers and dry winters
Precipitation patterns will become stronger as the earth warms
Why do wet regions get wetter?
- Warm air hodls more moisture
- As the atmosphere warms it wil evaporate more water
- When the air cools, it will rain
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