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Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
Ch 24 3 solar energy & wind
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Ch 24 3 solar energy & wind

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  • 1. Solar Energy & Wind 24.3
  • 2. Energy in the Atmosphere <ul><li>Solar Energy = energy from the sun </li></ul><ul><li>Some solar energy that reaches the atmosphere is reflected back </li></ul><ul><li>Some is absorbed by atmosphere </li></ul><ul><li>Some is absorbed by Earth surface </li></ul>
  • 3. Energy Transfer & Atmosphere <ul><li>Energy is transferred in 3 ways </li></ul><ul><li>Radiation—Heat in all directions </li></ul><ul><li>Convection— currents of H & C air </li></ul><ul><li>Conduction—Heat </li></ul><ul><li>with direct contact </li></ul><ul><li>Greenhouse Effect = some energy in atmosphere is reflected back to Earth surface </li></ul>
  • 4.  
  • 5. Wind <ul><li>The Flow of air from High Pressure to Low Pressure </li></ul><ul><li>Winds are cause by differences in Air Pressure and Temperature </li></ul>
  • 6. Local Winds ( Sea Breeze ) <ul><li>Sea Breeze—Day—Air above land warms & rises, cool air from water moves in & replaces warm land air </li></ul>
  • 7.  
  • 8. Local Winds ( Land Breeze ) <ul><li>Land Breeze—Air above water warms and rises, cool air from land moves in & replaces rising warm water air </li></ul>
  • 9.  
  • 10. Global Winds <ul><li>GW = winds that blow over long distances from specific directions </li></ul><ul><li>Coriolis Effect = wind that are bent Because the Earth is spinning </li></ul>
  • 11.  
  • 12. Jet Stream—high speed air flow
  • 13. Prevailing winds <ul><li>Polar Easterlies: From 60-90 degrees latitude. </li></ul><ul><li>Prevailing Westerlies: From 30-60 degrees latitude </li></ul><ul><li>Tropical Easterlies: From 0-30 degrees latitude (aka Trade Winds). </li></ul>
  • 14. Monsoons <ul><li>Monsoon = Large Scale Land & Sea Breeze </li></ul><ul><li>(Summer (sb) = Rainy Season—air moves from Ocean to land) </li></ul><ul><li>(Winter (lb) = Dry Season—Air moves land onto water) </li></ul>
  • 15. Monsoon Pictures

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