the earth/atmosphere system equilibrium & extreme events
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The Earth/Atmosphere
System
The Earth/Atmosphere
System
Equilibrium & Extreme Events
©2004 P. Samson - University of Michigan
6378 km
About 80% the the atmosphere exists in the first 10 km.
That represents less than one pixel in this image.
©2004 P. Samson - University of Michigan
Systems
SourceSource
units
ReceptorReceptorReceptorReceptor
units
units/timeunits/time
©2004 P. Samson - University of Michigan
Blackbody
A blackbody is a hypothetical object capable of absorbing all the electromagnetic radiation falling on it.
©2004 P. Samson - University of Michigan
DaisyWorld
©2004 P. Samson - University of Michigan
DaisyWorld
©2004 P. Samson - University of Michigan
DaisyWorld
©2004 P. Samson - University of Michigan
DaisyWorld
©2004 P. Samson - University of Michigan
DaisyWorld
©2004 P. Samson - University of Michigan
Negative Feedback Loop
DaisyWorld
©2004 P. Samson - University of Michigan
DaisyWorld
©2004 P. Samson - University of Michigan
System Stability
©2004 P. Samson - University of Michigan
System Stability
©2004 P. Samson - University of Michigan
Positive Feedbacks
CO2Increases
Warmer Atmosphere
Warmer Ocean
Less CO2
Uptake
©2004 P. Samson - University of Michigan
Compound Feedbacks
CO2Increases
Warmer Atmosphere
More Moisture in Atmosphere
More Air Conditioning
Demand
Increased Infrared
Absorption
©2004 P. Samson - University of Michigan
Positive Feedbacks
Higher Albedo
CO2Increases
Warmer Atmosphere
More Moisture in Atmosphere
More Air Conditioning
Demand
Increased Infrared
Absorption
More Clouds
Low Clouds
Cooler Atmosphere
High Clouds
©2004 P. Samson - University of Michigan
Dimethyl Sulfide [(CH3)2S]
Phytoplankton Increase
(CH3)2S
SO2
SO4
Phytoplankton Decrease
©2004 P. Samson - University of Michigan
Feedbacks
©2004 P. Samson - University of Michigan
Changes in Extreme Events:
©2004 P. Samson - University of Michigan
Changes in Extreme Events:
©2004 P. Samson - University of Michigan
Changes in Extreme Events:
Global ChangeGlobal Change
in the Big Housein the Big House
Saturday, September 24 12:00 p.m.
Saturday, September 24 12:00 p.m.