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Questions and Answers
Which of the following is the most abundant gas in Earth's atmosphere?
Which of the following is the most abundant gas in Earth's atmosphere?
- Argon
- Carbon Dioxide
- Oxygen
- Nitrogen (correct)
Which of the following lists the layers of Earth's atmosphere in the correct order, starting from the surface?
Which of the following lists the layers of Earth's atmosphere in the correct order, starting from the surface?
- Troposphere, Mesosphere, Stratosphere, Thermosphere, Exosphere
- Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere
- Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere
- Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere (correct)
Unequal heating of the Earth's surface leads to the formation of convection cells. Which of the following is a direct result of these convection cells?
Unequal heating of the Earth's surface leads to the formation of convection cells. Which of the following is a direct result of these convection cells?
- Global wind patterns (correct)
- Variations in solar intensity
- Ocean acidification
- Formation of sedimentary rock
The Earth is tilted on its axis at approximately 23.5 degrees. What is the primary effect of this tilt?
The Earth is tilted on its axis at approximately 23.5 degrees. What is the primary effect of this tilt?
During the summer solstice in the Northern Hemisphere, which way is the Earth tilted?
During the summer solstice in the Northern Hemisphere, which way is the Earth tilted?
Consistent radiation received at each latitude is a major factor in determining which of the following?
Consistent radiation received at each latitude is a major factor in determining which of the following?
Which of the following best describes the phenomenon known as El Niño?
Which of the following best describes the phenomenon known as El Niño?
Which of the following is a typical condition during an El Niño event off the western coast of South America?
Which of the following is a typical condition during an El Niño event off the western coast of South America?
What is the most accurate definition of weather?
What is the most accurate definition of weather?
Which of the following best describes an air mass?
Which of the following best describes an air mass?
What is the general direction of rotation in a high-pressure system in the Northern Hemisphere?
What is the general direction of rotation in a high-pressure system in the Northern Hemisphere?
A 'continental tropical' (cT) air mass is best characterized by which temperature and moisture conditions?
A 'continental tropical' (cT) air mass is best characterized by which temperature and moisture conditions?
Which type of air mass is typically described as cold and dry?
Which type of air mass is typically described as cold and dry?
What type of air mass would likely form over the Gulf of Mexico?
What type of air mass would likely form over the Gulf of Mexico?
How does albedo affect the heating of the globe?
How does albedo affect the heating of the globe?
What are the two major global wind patterns?
What are the two major global wind patterns?
Which of the following best describes the air movement in a low-pressure system?
Which of the following best describes the air movement in a low-pressure system?
Which of the following best describes maritime polar (mP) air masses?
Which of the following best describes maritime polar (mP) air masses?
Which of the following is not a level of the atmosphere?
Which of the following is not a level of the atmosphere?
High albedo of a surface such as ice primarily affects the Earth's energy budget by?
High albedo of a surface such as ice primarily affects the Earth's energy budget by?
Flashcards
Weather
Weather
The state of the air and atmosphere at a given time and place, including temperature and precipitation.
Air mass
Air mass
A large body of air with uniform temperature and moisture characteristics.
El Niño
El Niño
An El Niño event is a climate pattern characterized by warmer than average sea surface temperatures in the central and eastern Pacific Ocean.
Atmosphere composition
Atmosphere composition
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Levels of the Atmosphere
Levels of the Atmosphere
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Unequal global heating causes
Unequal global heating causes
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Major wind patterns
Major wind patterns
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Tilt of the Earth
Tilt of the Earth
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Climate
Climate
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Conditions for El Niño
Conditions for El Niño
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High pressure systems
High pressure systems
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Low pressure systems
Low pressure systems
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Study Notes
- Study notes for Unit 4: Atmosphere Study Guide
Structure of Atmosphere
- The gases that make up the most of the atmosphere are 21% oxygen, 78% Nitrogen, and trace gases
- The levels of the atmosphere in order are: Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere, Earth
Radiation from the Sun
- The globe is heated unequally due to tilt, albedo (reflection), and angle of radiation
- Unequal heating leads to convection cells, which cause wind patterns
- Two major wind patterns are trade winds, polar easterlies and westerlies
- The radiation and position of the globe give seasons, and the tilt of the Earth is 23.5 degrees
- In the summer the Earth is tilted toward the sun; in the winter it's tilted away from the sun
- Consistent radiation at each latitude gives climates and biomes
- Climate is long-term weather
El Nino
- Some long-term changes in climate result in a warming phase, called El Nino
- Conditions that change for El Nino in the Pacific Ocean near the West Coast of South America include: increased rainfall, upwelling, and coastal flooding; less fish; warmer water, which leads to bleaching of corals
Weather
- Weather is the state of air and atmosphere at a time/place with temporary precipitation
- Air masses are defined as a large body of air
Pressure Systems
- High pressure systems have descending air with clockwise rotation
- Low pressure systems have ascending air with counter-clockwise rotation
Air Mass types
- cT (continental tropical): warm and dry
- mT (maritime tropical): warm and wet
- cA (continental polar): cold and dry
- mP (maritime polar): cold and wet
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