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HomeHomework Helpearth-scienceAtmospheric Circulation Patterns

Atmospheric Circulation Patterns

Atmospheric circulation patterns refer to the large-scale movement of air in the Earth's atmosphere, driven by the uneven heating of the Earth's surface by the sun. These patterns influence weather and climate by distributing heat and moisture across different regions of the planet.

intermediate
3 hours
Earth Science
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Overview

Atmospheric circulation patterns are essential for understanding how air moves around the Earth, affecting weather and climate. These patterns include Hadley, Ferrel, and Polar cells, each playing a unique role in distributing heat and moisture. Jet streams, which are fast-moving air currents, furth...

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Key Terms

Hadley Cell
A large-scale atmospheric circulation pattern that occurs between the equator and 30 degrees latitude.

Example: Hadley cells are responsible for the trade winds.

Ferrel Cell
A mid-latitude atmospheric circulation pattern that exists between 30 and 60 degrees latitude.

Example: Ferrel cells help drive the westerlies.

Polar Cell
A circulation pattern that occurs at the poles, influencing cold air movement.

Example: Polar cells contribute to the polar easterlies.

Jet Stream
A narrow band of strong winds in the upper levels of the atmosphere that influences weather patterns.

Example: The polar jet stream can bring cold air southward.

Trade Winds
Winds that blow from east to west in the tropics, part of the Hadley cell circulation.

Example: Trade winds are crucial for sailing routes.

Climate Zone
Regions of the Earth classified by similar climate characteristics.

Example: Tropical, temperate, and polar are major climate zones.

Related Topics

Climate Change
Study of long-term changes in temperature and weather patterns due to human activities.
advanced
Ocean Currents
Understanding how ocean currents interact with atmospheric circulation and influence climate.
intermediate
Weather Systems
Exploration of different weather systems and their relationship with atmospheric circulation.
intermediate

Key Concepts

Hadley CellsFerrel CellsPolar CellsJet Streams