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WIND: GLOBAL SYSTEMS Chapter 10 General Circulation of the ...

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3435363738394041Atmosphere Ocean Interactions Pacific Decadal Oscillation Reversal in Pacific Ocean temperatures Warm = more Pacific storms Cool = cool, wet NW North America, wetter over <strong>the</strong> GreatLakes, salmon fisheries declineAtmosphere Ocean Interactions North Atlantic Oscillation Reversal <strong>of</strong> pressure in North Atlantic Ocean affectingwea<strong>the</strong>r in Europe and eastern coast <strong>of</strong> North America Positive = strong Westerlies, storms in N Europe, wet andmild in eastern US Negative = wet sou<strong>the</strong>rn Europe and Mediterranean, coldand dry in eastern US3/22/114243444546Atmosphere Ocean Interaction Arctic Oscillation Closely related to NAO Pressure changes between Arctic and adjacent sou<strong>the</strong>rnareas causes changes upper-level winds Positive = mild winter in US and W Europe Negative = cold US, cold dry Europe, wet MediterraneanHomework for <strong>Chapter</strong> <strong>10</strong> <strong>Chapter</strong> <strong>10</strong> Questions for Review, p. 284 #3-5, 7, 15, 18 <strong>Chapter</strong> <strong>10</strong> Questions for Thought, p. 284 #4, 6 <strong>Chapter</strong> <strong>10</strong> Problems and Exercises, p. 284 NoneProject for <strong>Chapter</strong> 9 None4

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