What this deck covers
This deck focuses on Global Wind Patterns, giving you a quick way to review the definitions, rules, and examples that matter most for AP Environmental Science.
AP Environmental Science Flashcards: Global Wind Patterns
Study Global Wind Patterns in AP Environmental Science with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.
AP Environmental Science
Global Wind Patterns
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QUESTION
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What is the primary effect of the polar front on weather?
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ANSWER
It creates stormy conditions where cold and warm air meet. Boundary zone where contrasting air masses create unstable weather conditions.
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Flashcard 1: What is the primary effect of the polar front on weather?
Answer: It creates stormy conditions where cold and warm air meet. Boundary zone where contrasting air masses create unstable weather conditions.
Flashcard 2: What is the main function of the Ferrel Cell?
Answer: To circulate air between 30° and 60° latitude. Mid-latitude circulation cell that transfers energy between tropical and polar regions.
Flashcard 3: What type of global wind pattern is found at high latitudes?
Answer: Polar easterlies. Cold winds from polar regions flowing eastward toward lower latitudes.
Flashcard 4: What is the direction of the movement of air in the Ferrel Cell?
Answer: Air moves poleward and eastward. Mid-latitude circulation driven by interaction between Hadley and Polar cells.
Flashcard 5: Why do global wind patterns shift seasonally?
Answer: Due to Earth's axial tilt and orbit. Earth's orbital position changes solar heating patterns throughout the year.
Flashcard 6: State the primary cause of global wind patterns.
Answer: Uneven heating of Earth's surface by the sun. Solar radiation creates temperature differences that drive air circulation patterns.
Flashcard 7: Which global wind pattern is found near the equator?
Answer: The trade winds. Easterly winds between 0° and 30° latitude on both sides of the equator.
Flashcard 8: What is the primary role of global wind patterns in Earth's climate?
Answer: Distributing heat and moisture around the planet. Transport thermal energy from warm equatorial regions to cooler polar areas.
Flashcard 9: Which global wind pattern affects the weather in North America most?
Answer: The prevailing westerlies. Mid-latitude winds that carry weather systems across the continent from west to east.
Flashcard 10: What is the primary characteristic of the horse latitudes?
Answer: A region of high pressure and calm winds. Subtropical belt around 30° latitude where descending air creates stable conditions.
Flashcard 11: What are the prevailing westerlies?
Answer: Winds that blow from the west to the east in mid-latitudes. Located between 30° and 60° latitude, deflected eastward by Coriolis effect.
Flashcard 12: Which global wind pattern affects the weather in North America most?
Answer: The prevailing westerlies. Mid-latitude winds that carry weather systems across the continent from west to east.
Flashcard 13: How does the Coriolis effect influence the direction of cyclones?
Answer: Cyclones rotate counterclockwise in the Northern Hemisphere. Coriolis deflection creates rotational motion in low-pressure storm systems.
Flashcard 14: What is the primary role of the subtropical jet stream?
Answer: To separate tropical and subtropical air masses. High-altitude wind current marking the boundary between tropical and temperate zones.
Flashcard 15: How do global wind patterns influence global precipitation patterns?
Answer: They determine regions of high and low rainfall. Rising and sinking air patterns control where deserts and rainforests form.
Flashcard 16: Identify the latitude range of the prevailing westerlies.
Answer: Between 30° and 60° latitude. Mid-latitude zone where Ferrel Cell circulation creates westerly wind flow.
Flashcard 17: What is the main characteristic of the doldrums?
Answer: A region of calm winds near the equator. Also called ITCZ, where converging trade winds create light variable winds.
Flashcard 18: What is the main function of the Ferrel Cell?
Answer: To circulate air between 30° and 60° latitude. Mid-latitude circulation cell that transfers energy between tropical and polar regions.
Flashcard 19: What happens to air at the equator due to solar heating?
Answer: It rises, creating low pressure. Intense solar heating causes thermal expansion and upward air movement.
Flashcard 20: What happens to air at the equator due to solar heating?
Answer: It rises, creating low pressure. Intense solar heating causes thermal expansion and upward air movement.
Flashcard 21: What atmospheric layer do global winds primarily occur in?
Answer: The troposphere. Lowest atmospheric layer where weather and wind circulation occur.
Flashcard 22: Which winds are most affected by the Coriolis effect?
Answer: Winds moving over long distances. Coriolis effect is strongest when winds travel great distances across latitudes.
Flashcard 23: Identify the main characteristic of polar easterlies.
Answer: Cold, dry winds blowing from the east near the poles. High-latitude winds flowing from polar high-pressure areas toward lower latitudes.
Flashcard 24: What are the prevailing westerlies?
Answer: Winds that blow from the west to the east in mid-latitudes. Located between 30° and 60° latitude, deflected eastward by Coriolis effect.
Flashcard 25: What causes the variability of the polar jet stream?
Answer: Temperature differences between cold polar air and warmer air. Temperature gradients between air masses determine jet stream strength and position.
Flashcard 26: Which winds are most affected by the Coriolis effect?
Answer: Winds moving over long distances. Coriolis effect is strongest when winds travel great distances across latitudes.
Flashcard 27: What is the primary characteristic of the horse latitudes?
Answer: A region of high pressure and calm winds. Subtropical belt around 30° latitude where descending air creates stable conditions.
Flashcard 28: What is the approximate latitude range of the trade winds?
Answer: Between 0° and 30° latitude. Tropical belt where Hadley Cell circulation creates consistent easterly winds.
Flashcard 29: What is the primary direction of the polar jet stream?
Answer: From west to east in the upper atmosphere. High-altitude wind current flowing along the boundary between polar and warmer air.
Flashcard 30: Name the cell that circulates air between the equator and 30° latitude.
Answer: The Hadley Cell. Tropical circulation pattern extending from equatorial heating to subtropical highs.
Flashcard 31: What is the impact of global wind patterns on ocean currents?
Answer: They help drive surface ocean currents. Wind friction drags surface water, creating circulation patterns in ocean basins.
Flashcard 32: What is the significance of the polar cell in global wind patterns?
Answer: It circulates cold air from the poles toward lower latitudes. High-latitude circulation that transports cold polar air toward warmer regions.
Flashcard 33: What defines the boundaries of the ITCZ?
Answer: The convergence of trade winds from both hemispheres. Meeting point of northeast and southeast trade winds creates convergence zone.
Flashcard 34: What causes the seasonal shift of the ITCZ?
Answer: The tilt of Earth's axis and its orbit around the sun. Seasonal solar angle changes move the zone of maximum heating north and south.
Flashcard 35: How does the Coriolis effect influence the direction of cyclones?
Answer: Cyclones rotate counterclockwise in the Northern Hemisphere. Coriolis deflection creates rotational motion in low-pressure storm systems.
Flashcard 36: What is the Coriolis effect?
Answer: The deflection of moving air due to Earth's rotation. Caused by Earth's rotation deflecting moving objects to the right in the Northern Hemisphere.
Flashcard 37: Which global wind pattern is responsible for the Sahara Desert's dry conditions?
Answer: The descending limb of the Hadley Cell. High-pressure zone at 30°N creates dry, sinking air over desert regions.
Flashcard 38: What is the main effect of the Coriolis effect on global winds?
Answer: It causes winds to curve rather than move straight. Earth's rotation deflects moving air masses, creating curved wind patterns.
Flashcard 39: Which direction do the trade winds blow in the Southern Hemisphere?
Answer: From the southeast to the northwest. Coriolis effect deflects easterly winds toward the left in the Southern Hemisphere.
Flashcard 40: What is the primary cause of monsoon winds?
Answer: Differential heating of land and sea. Seasonal temperature contrasts between continents and oceans drive wind reversals.
Flashcard 41: What type of global wind pattern is found at high latitudes?
Answer: Polar easterlies. Cold winds from polar regions flowing eastward toward lower latitudes.
Flashcard 42: What is the primary cause of the Coriolis effect?
Answer: Earth's rotation. Spinning planet deflects moving objects, including air masses and winds.
Flashcard 43: What is the primary cause of monsoon winds?
Answer: Differential heating of land and sea. Seasonal temperature contrasts between continents and oceans drive wind reversals.
Flashcard 44: What is the main effect of the Coriolis effect on global winds?
Answer: It causes winds to curve rather than move straight. Earth's rotation deflects moving air masses, creating curved wind patterns.
Flashcard 45: What is the relationship between global winds and the jet stream?
Answer: The jet stream is a band of strong winds in the upper atmosphere. High-altitude rivers of fast-moving air that steer surface weather systems.
Flashcard 46: Identify the main characteristic of polar easterlies.
Answer: Cold, dry winds blowing from the east near the poles. High-latitude winds flowing from polar high-pressure areas toward lower latitudes.
Flashcard 47: What is the primary role of global wind patterns in Earth's climate?
Answer: Distributing heat and moisture around the planet. Transport thermal energy from warm equatorial regions to cooler polar areas.
Flashcard 48: Which direction do the trade winds blow in the Northern Hemisphere?
Answer: From the northeast to the southwest. Coriolis effect deflects easterly winds toward the right in the Northern Hemisphere.
Flashcard 49: What atmospheric layer do global winds primarily occur in?
Answer: The troposphere. Lowest atmospheric layer where weather and wind circulation occur.
Flashcard 50: What is the primary mechanism causing the Hadley Cell circulation?
Answer: Convection from solar heating at the equator. Tropical circulation cell driven by equatorial heating and Coriolis deflection.
Flashcard 51: What is the main characteristic of the doldrums?
Answer: A region of calm winds near the equator. Also called ITCZ, where converging trade winds create light variable winds.
Flashcard 52: Which global wind pattern is responsible for the Sahara Desert's dry conditions?
Answer: The descending limb of the Hadley Cell. High-pressure zone at 30°N creates dry, sinking air over desert regions.
Flashcard 53: Why do global wind patterns shift seasonally?
Answer: Due to Earth's axial tilt and orbit. Earth's orbital position changes solar heating patterns throughout the year.
Flashcard 54: What is the Coriolis effect?
Answer: The deflection of moving air due to Earth's rotation. Caused by Earth's rotation deflecting moving objects to the right in the Northern Hemisphere.
Flashcard 55: What is the approximate latitude range of the trade winds?
Answer: Between 0° and 30° latitude. Tropical belt where Hadley Cell circulation creates consistent easterly winds.
Flashcard 56: What is the primary cause of the Coriolis effect?
Answer: Earth's rotation. Spinning planet deflects moving objects, including air masses and winds.
Flashcard 57: What is the impact of global wind patterns on ocean currents?
Answer: They help drive surface ocean currents. Wind friction drags surface water, creating circulation patterns in ocean basins.
Flashcard 58: What occurs at the ITCZ?
Answer: Rising air and frequent thunderstorms. Convergence zone where warm, moist air rises and creates tropical weather.
Flashcard 59: What causes the seasonal shift of the ITCZ?
Answer: The tilt of Earth's axis and its orbit around the sun. Seasonal solar angle changes move the zone of maximum heating north and south.
Flashcard 60: What is the primary effect of the polar front on weather?
Answer: It creates stormy conditions where cold and warm air meet. Boundary zone where contrasting air masses create unstable weather conditions.
Flashcard 61: What is the direction of the movement of air in the Ferrel Cell?
Answer: Air moves poleward and eastward. Mid-latitude circulation driven by interaction between Hadley and Polar cells.
Flashcard 62: What is the Intertropical Convergence Zone (ITCZ)?
Answer: A region where the trade winds converge near the equator. Low-pressure zone where rising air creates clouds and precipitation.
Flashcard 63: What is the primary mechanism causing the Hadley Cell circulation?
Answer: Convection from solar heating at the equator. Tropical circulation cell driven by equatorial heating and Coriolis deflection.
Flashcard 64: What causes the variability of the polar jet stream?
Answer: Temperature differences between cold polar air and warmer air. Temperature gradients between air masses determine jet stream strength and position.
Flashcard 65: Identify the latitude range of the prevailing westerlies.
Answer: Between 30° and 60° latitude. Mid-latitude zone where Ferrel Cell circulation creates westerly wind flow.