University:
Capital University
Course:
ENVS 250 | Environmental Science
Academic year:

2024
Views:

39

Pages:

2
Author:

Maddison Oconnor

Ch 11/12/13 Earth’s Atmosphere Study Guide Name: ______________________________ Date: ___________ Period: ____ Lesson 4 and Reinforcement (Air Mass/Wind System Map)… 1. Know the following terms – (Write brief phrases!) a. meteorology - Study of the Earth's atmosphere and its phenomena b. weather - The atmospheric conditions at a specific time and place, including temperature, humidity, precipitation, wind, and atmospheric pressure c. climate - Long-term patterns of temperature, humidity, precipitation, and other atmospheric conditions in a particular region d. air mass - Large bodies of air with relatively uniform temperature, humidity, and pressure characteristics 2. Know the location and characteristics of the 5 major air masses that affect the weather of the USA. (See chart.) a. Continental tropical Hot and dry air mass originating from deserts or hot, arid regions b. Maritime tropical Warm and humid air mass originating from tropical or subtropical oceanic regions. c. Continental polar Cold and dry air mass originating from polar or highlatitude land areas d. Continental tropical Hot and dry air mass originating from deserts or hot, arid regions e. Arctic Extremely cold and dry air mass originating from the Arctic region 3. Know the location and wind direction of the each of the global wind systems. Which wind system is responsible for the movement of weather across the USA? a. Polar easterlies - Winds that blow from the polar high-pressure areas towards the mid-latitudes, from the poles towards the equator b. Prevailing westerlies - Winds that blow from the subtropical high-pressure areas towards the mid-latitudes, from west to east c. Trade winds - Winds that blow from the subtropical high-pressure areas towards the equator, from east to west 4. What is a jet stream? A jet stream is a narrow, fast-flowing, meandering air current in the atmosphere Which direction do they come from? They come from the west Where are they located? They are located in the upper troposphere and lower stratosphere How fast do they move? They move at speeds of 120-240 kilometers per hour 5. What is the Intertropical Convergence Zone? The Intertropical Convergence Zone (ITCZ) is a belt of low pressure near the equator where the trade winds from the northern and southern hemispheres converge How did it get its name? It got its name because it marks the convergence of air masses from the tropics What is it also called? It is also called the doldrums What is usually missing in this zone? Rainfall is usually abundant in this zone 6. What are the horse latitudes? The horse latitudes are regions of subtropical high pressure located around 30 degrees north and south of the equator Why are they called that? They are called that because sailors historically believed ships often got stuck in these areas for long periods, leading to a lack of water and food for horses onboard

Earth’s Atmosphere: Lesson 4 and Reinforcement (Air Mass/Wind System Map)

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