Geography (Atmospheric Circulation and Weather System)
This Exam Covers the Following Topics
- Atmospheric Pressure
- Definition and measurement (using millibars)
- Vertical and horizontal variation of pressure
- Pressure Gradient Force
- Concept and impact on wind speed
- Influence of isobar patterns
- Coriolis Force
- Definition and effects on wind direction
- Differences in the Northern and Southern Hemispheres
- Forces Affecting Wind
- Pressure Gradient Force, Frictional Force, Coriolis Force
- Combined effect on wind velocity and direction
- Geostrophic Wind
- Winds in the upper atmosphere controlled by pressure gradient and Coriolis forces
- Cyclones and Anticyclones
- Characteristics and wind patterns
- Differences between cyclonic and anticyclonic circulations
- General Circulation of the Atmosphere
- Planetary wind systems
- Hadley Cell, Ferrel Cell, and Polar Cell
- Land and Sea Breezes
- Daytime and nighttime wind patterns near coastal areas
- Mountain and Valley Winds
- Wind patterns in mountainous regions (katabatic and anabatic winds)
- Air Masses
- Classification of air masses based on source regions
- Maritime and continental air masses
- Fronts
- Definition and types: cold front, warm front, occluded front, and stationary front
- Frontogenesis
- El Nino and Southern Oscillation (ENSO)
- Impact of El Nino on global weather patterns
- Interaction between oceanic currents and atmospheric pressure systems
- Tropical and Extra-tropical Cyclones
- Formation and characteristics of tropical cyclones
- Differences between tropical and extra-tropical cyclones
- Thunderstorms and Tornadoes
- Formation of thunderstorms and tornadoes
- Characteristics and associated hazards
- Ocean Currents and Atmospheric Circulation
- Influence of ocean currents on atmospheric systems (e.g., Gulf Stream, El Nino)
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