chapter 6 cont'd - Chapter 6 Atmospheric and Oceanic...

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Unformatted text preview: Chapter 6 Atmospheric and Oceanic Circulations Topics Primary High-Pressure and Low-Pressure Areas Upper Atmospheric Circulation Ocean Circulation Patterns Four Primary Atmospheric Pressure Areas Equatorial low-pressure trough (intertropical convergence zone) Subtropical high-pressure cells Subpolar low-pressure cells Polar high-pressure cells Global Barometric Pressure Figure 6.11 1. Equatorial low-pressure trough (Intertropical convergence zone ) 3. Subpolar low pressure cells 2. Subtropical high pressure cells 4. Polar high pressure cells (not shown) Barometric Pressure Along a Meridian L L L H H H H S u b t r o p i c a l h i g h- p r e s s u r e c e l l I n t e r t r o p i c a l c o n v e r g e n c e z o n e S u b p o l a r l o w- p r e s s u r e c e l l P o l a r h i g h- p r e s s u r e c e l l 90 ° N 30 ° S ° 60 ° S 90 ° S 60 ° N 30 ° N General Troposphere Circulation Figure 6.13 Troposphere Circulation (1) Figure 6.13 1. Equatorial low-pressure trough • Warm, converging, ascending air • Lots of moisture—clouds Troposphere Circulation (2)...
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This note was uploaded on 10/16/2008 for the course PHYSICAL G 101 taught by Professor F during the Spring '08 term at E. Stroudsburg.

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chapter 6 cont'd - Chapter 6 Atmospheric and Oceanic...

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