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Chapter 4 Atmospheric and Oceanic Circulation

Chapter 4 Atmospheric and Oceanic Circulation. Effects of the Eruption of Mount Pinatubo. Figure 4.1. Atmospheric and Oceanic Circulation. Wind Essentials   Driving Forces Within the Atmosphere   Atmospheric Patterns of Motion   Oceanic Currents  . Wind Essentials.

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Chapter 4 Atmospheric and Oceanic Circulation

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  1. Chapter 4Atmospheric and Oceanic Circulation

  2. Effects of the Eruption of Mount Pinatubo Figure 4.1

  3. Atmospheric and Oceanic Circulation • Wind Essentials   • Driving Forces Within the Atmosphere   • Atmospheric Patterns of Motion   • Oceanic Currents  

  4. Wind Essentials • Air Pressure and Its Measurement   • Mercury barometer • Aneroid barometer • Wind: Description and Measurement   • Wind • Anemometer • Wind vane • Global Winds  

  5. Barometers Figure 4.2

  6. Air Pressure Figure 4.3

  7. Driving Forces Within the Atmosphere   • Gravity • Pressure Gradient Force   • Coriolis Force   • Friction Force  

  8. Pressure Gradient Figure 4.7

  9. Coriolis Force Figure 4.9

  10. Pressure + Coriolis + Friction Figure 4.8

  11. 500 mb Pressure Map Figure 4.10

  12. Atmospheric Patterns of Motion   • Primary High-Pressure and Low-Pressure Areas   • Upper Atmospheric Circulation  • Jet Streams  • Local Winds   • Monsoonal Winds • Intertropical convergence zone (ITCZ) • Trade winds

  13. Global Barometric Pressure Figure 4.11

  14. Global Barometric Pressure Figure 4.11

  15. Subtropical high-pressure cells • Westerlies • Bermuda high • Azores high • Pacific high Figure 4.14

  16. Subpolar low-pressure cells • Aleutian low • Icelandic low • Polar front

  17. General Atmospheric Circulation Figure 4.13

  18. General Atmospheric Circulation Figure 4.13

  19. General Atmospheric Circulation Figure 4.6

  20. Polar and Subpolar Circulation Figure 4.15

  21. Rossby Waves Figure 4.16

  22. Jet Streams Figure 4.17

  23. Land-Sea Breezes Figure 4.18

  24. Mountain-Valley Breeze Figure 4.19

  25. Monsoonal Winds Figure 4.20

  26. Major Ocean Currents Figure 4.21

  27. Pacific Ocean Currents Figure 1

  28. Deep Currents Figure 4.22

  29. End of Chapter 4 Elemental Geosystems 4e Robert W. Christopherson Charlie Thomsen Modified by Jim Speer

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