robert w. christopherson charlie thomsen chapter 6 atmospheric and oceanic circulations
TRANSCRIPT
Robert W. ChristophersonCharlie Thomsen
Chapter 6Atmospheric and
Oceanic Circulations
Atmospheric and Oceanic Circulations
Wind Essentials
Driving Forces within the Atmosphere
Atmospheric Patterns of Motion
Oceanic Currents
Wind EssentialsAir Pressure and Its Measurement
Mercury barometer
Aneroid barometer
Wind: Description and Measurement Wind
Anemometer
Wind vane
Global Winds
Barometers
Figure 6.2
Air Pressure Readings
Figure 6.3
Wind Vane and Anemometer
Figure 6.4
Wind Portrait of the Pacific Ocean
Figure 6.6
Driving Forces within the Atmosphere
Gravity
Pressure Gradient Force
Coriolis Force
Friction Force
Pressure Gradient
Figure 6.7
Pressure + Coriolis + Friction
Figure 6.8
Coriolis Force
Figure 6.9
Atmospheric Patterns of Motion Primary High-Pressure and Low-Pressure Areas
Upper Atmospheric Circulation
Local Winds
Monsoonal Winds
Global Barometric Pressure
Figure 6.10
Global Barometric Pressure
Figure 6.10
Primary High-Pressure and Low-Pressure Areas
Equatorial low-pressure trough
Polar high-pressure cells
Subtropical high-pressure cells
Subpolar low-pressure cells
Equatorial Low-Pressure TroughIntertropical convergence zone (ITCZ)
Trade winds
June–July ITCZ
Figure 6.11
Polar High-Pressure CellsPolar easterlies
Antarctic high
Subtropical High-Pressure Cells
Westerlies
Bermuda high
Azores high
Pacific high
Figure 6.13
Subpolar Low-Pressure CellsAleutian low
Icelandic low
Polar front
General Atmospheric Circulation
Figure 6.12
General Atmospheric Circulation
Figure 6.12
Constant Isobaric Surface
Figure 6.15
Upper Atmospheric CirculationRossby waves
Jet stream
Rossby Waves
Figure 6.16
Jet Streams
Figure 6.17
Local WindsLand-sea breezes
Mountain-valley breezes
Katabatic winds
Land-Sea Breezes
Figure 6.18
Mountain-Valley Breezes
Figure 6.19
Monsoonal Winds
Figure 6.20
Oceanic CurrentsSurface Currents
Deep Currents
Major Ocean Currents
Figure 6.21
Deep-Ocean Thermohaline Circulation
Figure 6.22
Robert W. ChristophersonCharlie Thomsen
Geosystems 7eAn Introduction to Physical Geography
End of Chapter 6