Oceans, Atmosphere, Weather and Climate (Leaving Cert Geography): Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
Definition of atmospheric circulation
Definition of atmospheric circulation
Large-scale movement of air around the planet
Driving force behind atmospheric circulation
Driving force behind atmospheric circulation
Uneven heating by Sun due to Earth's spherical shape
Why equatorial regions are warmer than poles
Why equatorial regions are warmer than poles
Receive most direct sunlight/solar energy
What happens to warm air at the equator
What happens to warm air at the equator
Rises upward (less dense than cold air)
Pressure created when air rises
Pressure created when air rises
Low atmospheric pressure at surface
Pressure created when air descends
Pressure created when air descends
High atmospheric pressure at surface
Major wind system in tropical regions
Major wind system in tropical regions
Trade winds
Major wind system in mid-latitude regions
Major wind system in mid-latitude regions
Westerlies
Major wind system in polar regions
Major wind system in polar regions
Easterlies
Why atmospheric circulation is essential
Why atmospheric circulation is essential
Understanding climate & heat distribution globally
Weather phenomena linked to atmospheric circulation
Weather phenomena linked to atmospheric circulation
Movement of air masses, storm formation, rainfall patterns
Climate change impact on atmospheric circulation
Climate change impact on atmospheric circulation
Changing patterns due to global warming
IPCC 2021 finding on circulation changes
IPCC 2021 finding on circulation changes
Contributing to extreme weather: stronger hurricanes, droughts