Geography 311 – Climatology Geography Major Global Environmental Change Cluster. Questions to think about:. What is climate? How is climate different from weather? Are they related? What controls the climate? Does climate change – do we care? Can climate be predicted?
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Geography 311 – Climatology
Global Environmental Change Cluster
Meteorology: National Weather Service
Mission: Protect Human Life and Property
Portland Weather Service Office
Seattle Weather Service Office
Datastreme – 0nline Meteorology Course
Unisys Weather Page
Climatology: National Climate Data Center (NOAA)
Mission: Archive and provide historical data
Western Regional Climate Center
Oregon Climate Service
(Note: First Web Assignment)
Energy In = Energy Out
But the observed Ts is about 15° C
(Ts – surface temperature)
Vertical structure of the Atmosphere and the composition of the atmosphere.
The “greenhouse effect”
Energy storage and transport
The “general circulation” of the atmosphere and oceans
Hence: The Climate System
W-E flow in tropics
How are these known? Effects on poleward energy transport?
“Climate is what you expect
… weather is what you get!”
Climate is an “envelope of possibilities” within which the weather bounces around.
Climate is determined by the properties of the Earth system itself (the boundary conditions), whereas weather depends very sensitively on the evolution of the system from one moment to the next.
“If they can’t predict the weather, how can they possibly hope to predict the climate?”
(Snow? Sunshine? -10 C? +20 C?)