Ch 28 Flashcards
A layer extending an average of 12 km above Earth’s surface
Troposphere
Occurs when air temperature increases with altitude and the air becomes stable
Temperature Inversion
A natural process in which certain gases in the atmosphere warm a planet as they absorb and emit infrared radiation
Greenhouse Effect
How are the atmospheric layers divided?
The difference in composition and temperature
What gas makes up the majority of the atmosphere?
Nitrogen, 78%
What gas makes up 21% in the atmosphere?
Oxygen
What is the remaining 1% of the atmosphere made up of?
Trace Gases (majority is Argon)
Within the Troposphere, does temperature increase or decrease with altitude?
Temperature Decreases
How many layers are there in the Atmosphere?
5 Layers
What are the names of the atmosphere layers, starting from Earth’s surface, then going up?
Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere
Which layer is the Ozone Layer found in?
Stratosphere
Within the Stratosphere, does temperature increase or decrease with altitude?
Increases
Does the temperature increase or decrease with altitude in the Mesosphere?
Lower Level, Decreases, Higher Level, Increases
Do the Thermosphere and Exosphere impact the weather?
No
Where does 100% of solar radiation come from?
The Sun
What percent of solar radiation is absorbed by Earth’s surface?
50%
What percent of solar radiation is reflected off of Earth’s surface?
5%
What percent of solar radiation is absorbed by particles in the atmosphere?
20%
What percentage of solar radiation, is reflected by particles in the atmosphere?
25%
What are the three basic cloud types?
Stratus, Cumulus, and Cirrus
Describe Stratus Clouds
Layered, sheet-like clouds
Describe Cumulus Clouds
Puffy clouds
Describe Cirrus Clouds
Wispy clouds in high altitude
What is the process called where water leaves the Earth, and comes back into land
The Water Cycle
What are all the steps of the Water Cycle?
Evaporation, Transpiration, Infiltration, Runoff, Precipitation, and Condensation
A narrow band of fast-moving, high altitude air
Jet Streams
The apparent deflection of an object due to Earth’s rotation
Coriolis Effect
A large volume of air with uniform moisture and temperature throughout
Air Mass
Air masses that interact with zones
Weather Fronts
How many jet streams are there in the world?
4
How many Pressure Systems are there?
2
What is a Low Pressure System also called?
A Low (L)
Which direction does a Low rotate?
Counterclockwise
What are some results of a Low-Pressure System?
Air rises, causing cloud formation and precipitation