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Chapter 6 Atmospheric and Oceanic Circulations
Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen
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Atmospheric and Oceanic Circulations
Wind Essentials Driving Forces Within the Atmosphere Atmospheric Patterns of Motion Oceanic Currents
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Wind Essentials Air Pressure and Its Measurement
Mercury barometer Aneroid barometer Wind: Description and Measurement Wind Anemometer Wind vane Global Winds
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Barometers Figure 6.2
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Air Pressure Readings Figure 6.3
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Wind Vane and Anemometer
Figure 6.4
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Wind Portrait of the Pacific Ocean
Figure 6.6
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Driving Forces Within the Atmosphere
Gravity Pressure Gradient Force Coriolis Force Friction Force
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Pressure Gradient Figure 6.7
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Pressure + Coriolis + Friction
Figure 6.8
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Coriolis Force Figure 6.9
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500 mb Pressure Map Figure 6.10
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Atmospheric Patterns of Motion
Primary High-Pressure and Low-Pressure Areas Upper Atmospheric Circulation Local Winds Monsoonal Winds
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Global Barometric Pressure
Figure 6.11
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Global Barometric Pressure
Figure 6.11
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Primary High-Pressure and Low-Pressure Areas
Equatorial low-pressure trough Polar high-pressure cells Subtropical high-pressure cells Subpolar low-pressure cells
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Equatorial Low-pressure Trough
Intertropical convergence zone (ITCZ) Trade winds
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Polar High-pressure Cells
Polar easterlies Antarctic high
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Subtropical High-pressure Cells
Westerlies Bermuda high Azores high Pacific high Figure 6.14
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Subpolar Low-pressure Cells
Aleutian low Icelandic low Polar front
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General Atmospheric Circulation
Figure 6.13
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General Atmospheric Circulation
Figure 6.13
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Constant Isobaric Surface
Figure 6.16
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Upper Atmospheric Circulation
Rossby waves Jet stream
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Rossby Waves Figure 6.17
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Jet Streams Figure 6.18
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Local Winds Land-sea breezes Mountain-valley breezes Katabatic winds
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Land-Sea Breezes Figure 6.19
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Mountain-Valley breeze
Figure 6.20
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Monsoonal Winds Figure 6.21
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Oceanic Currents Surface Currents Deep Currents
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Major Ocean Currents Figure 6.22
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Deep Currents Figure 6.23
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Geosystems 5e An Introduction to Physical Geography
End of Chapter 6 Geosystems 5e An Introduction to Physical Geography Robert W. Christopherson Charlie Thomsen
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