WX 201 Exam 1 Study Guide
Variable gasses in the atmosphere - Answer- CO2 , Water Vapor , O3 (ozone) , CH4(methane)
Permanent gasses in the atmosphere - Answer- Oxygen (O2) , Nitrogen (N2) , Nobel Gasses
Characteristics of a variable gas - Answer- Concentration is changing ; so...
WX 201 Exam 1 Study Guide
Variable gasses in the atmosphere - Answer- CO2 , Water Vapor , O3 (ozone) ,
CH4(methane)
Permanent gasses in the atmosphere - Answer- Oxygen (O2) , Nitrogen (N2) , Nobel Gasses
Characteristics of a variable gas - Answer- Concentration is changing ; sources and sinks are
not consistent
Characteristics of a permanent gas - Answer- Concentration in atmosphere remains
constant ; sources and sinks consistent
Examples of green house gasses - Answer- CH4 , CO2 , CFCs , O3
Why are scientists predicting global warming? - Answer- The concentration of greenhouse
gasses in the atmosphere has been rising significantly since industrial revolution
What causes the ozone hole? - Answer- CFCs (chlorofluorocarbons) ; found in aerosols
What are the implications of ozone depletion? - Answer- Decreased absorption of harmful UV
radiation
Density - Answer- mass/volume
Pressure - Answer- force / area
What equation relates density, pressure, and temperature - Answer- Ideal gas law ; P∝ DT
What is used to measure density, pressure, and temperature? - Answer- Weather balloons
How do altimeters work? - Answer- Aneroid barometer inside measures pressure and infers
your altitude
Standard lapse rate - Answer- Temperature decreases 2°C for every 1000ft up to 36000ft
What causes indicated altitude to differ from the true altitude? - Answer- Changes in surface
air pressure, temperature, elevation
What are the four layers of the atmosphere? - Answer- troposphere, stratosphere,
mesosphere, thermosphere
What layer does most weather occur in ? - Answer- Troposphere
What layer of the atmosphere contains the ozone layer? - Answer- Stratosphere
In the troposphere temperature (increases/decreases) with altitude. Why? - Answer-
Decreases ; heat comes from ground
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