SPU25_Sp17_section3.pptx - ENVR E103 ENERGY AND CLIMATE VISION FOR THE FUTURE Plan for the section today 1 Discuss the mid term paper 2 Overview of

SPU25_Sp17_section3.pptx - ENVR E103 ENERGY AND CLIMATE...

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ENVR E103 ENERGY AND CLIMATE: VISION FOR THE FUTURE
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Plan for the section today 1. Discuss the mid term paper 2. Overview of ocean 3. Introduction of electricity
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Mid-term paper: Discuss your exposure to climate issues either in your country or in your business or with your friends. What arguments would you use to convince skeptics that this issue should be taken seriously? How does climate issues impact your country or your business? Discuss each other with your mid-term paper topic.
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Oceanic Circulation Winds drive oceanic surface currents Exchange energy with atmosphere…weather Gyres: rotational currents West sides of Basins: warm (from equator) East sides of Basins: cold (from poles)
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Deep Ocean Circulation “Conveyor Belt” Driven by temperature and salinity (density) Cold, salty water sinks Warm, less salty water rises
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ENSO (El Niño-Southern Oscillation) Normal conditions: trade winds push water near the equator westward Water actually piles up (sea level is 1.5 m higher on the western side) Cold water upwelling west coast of South America Warm Phase (El Niño) : trade winds weaken Warm surface waters flow towards N,S America Warm water on west coast of South America Droughts, floods NOAA A. Quick (HTF)—DO NOT DISTRIBUTE
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ENSO (El Niño-Southern Oscillation) Cool Phase (La Niña):
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