AGRY 335 Week 12

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Author:
Anonymous
ID:
212013
Filename:
AGRY 335 Week 12
Updated:
2013-04-07 17:46:13
Tags:
climate change
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Description:
class notes
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  1. how to prove climate change
    • Can it be explained by seasonal weather
    • Can it be explained by climate variablity
    • look at long term patterns
  2. old Computer model scenarios
    • A1- economically regional
    • A2- economically global
    • B1- environment regional
    • B2- environment global
  3. Stern Review
    • Economic assesment of climate ∆
    • know how much to invest
    • got ~trill $
    • have to increase drainage, etc.
  4. ENSO
    • Nin- thresholds .5 degrees over 3 months
    • El Nino- jet stream moves south
    • La Nina: wet stormy springs in mid-west
    • dry and hot S. US
    • flooding in MI
    • Jet stream north
    • Artic Oscillaion: +/- phase
    • +AO w/ la nina = extremely cold
    • -AO w/ la nina = cold and rain
  5. Radiative forcing
    • Climate sensitiveiy
    • how do ∆ in sources affect globe
    • watts/m2 +1.5-1.6 now
  6. CO2 Sink
    Ocean biggest = acidficaiton = reefs down

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