EES 108 Class 22_1

EES 108 Class 22_1 - Planetary waves Outline Rossby waves...

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Outline Planetary waves Rossby waves and weather prediction Ocean currents Patterns of currents Upwelling Fast variations in climate: ENSO What is it? How does it work? Effects on climate, weather Climatic patterns around the world Distribution of precipitation Atmospheric circulation Effects of continents
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The Jet Stream and Rossby Waves  
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Rossby waves and heat flow
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Ocean Currents
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Upwelling Equatorward currents along eastern shores (west coasts) Coriolis: bend currents to west Divergence at sea surface Upwelling: cold water with nutrients Littoral deserts
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Climate patterns: Precipitation January July
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Influence of polar jet
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Subtropical Highs
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Subtropical highs Winter: Move to eastern side of oceans Summer: Move to west East: Stable Subsidence Divergence West: Less stable (unstable) Some uplift Some convergence January July
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Summary Meridional (North/South) patterns: Precipitation, storms: equatorial, subpolar lows Dry, desert, calm: subtropical, polar highs
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EES 108 Class 22_1 - Planetary waves Outline Rossby waves...

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