Construction of the Atmosphere Flashcards
What is the most abundant substance in the earth’s atmosphere?
Nitrogen
At what altitude is ozone primarily concentrated?
Between 33 000ft and 165 000ft being most concentrated around 80 000ft
Which of the following are the main greenhouse gasses in the earth’s atmosphere?
Carbon dioxide and Water vapour
What is the temperature at the Tropopause?
-56C
What is considered to be the average height of the Tropopause?
36 000ft
What are the 3 main properties that describe the atmosphere?
Mobility, Expansion and Compression.
What altitude would you need to be at to be above 50% of the atmosphere?
18 000ft
It is possible to have completely saturated air and not have visible moisture (ie clouds).
True
Condensation Nuclei is required
The amount of water vapour in the air compared to that which the air can actually hold expressed as a percentage is called __________.
Relative Humidity
What is the composition of the atmosphere?
78% Nitrogen
21% Oxygen
1% Argon
What are the 4 main “spheres” of the Earth’s atmosphere?
Troposphere, Stratosphere, Mesosphere, and Thermosphere.
Where is the Jet Stream found?
Near the Tropopause
Which layer of the atmosphere contains the Ozone Layer?
Stratosphere
What is the thickness of the ozone layer over the poles and equator?
Thicker over the poles.
Thinner over the equator.
What layer do most of the weather occur in?
Troposphere
