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Quiz: The Atmosphere
Ans: aerosol (a.k.a. particulates)
rain, drile, fog, snow, ice crystals, cloud dropletszz
Quiz: Permanent gas
Ans: Nitrogen [N2]=78%
Oxygen [02]=21%
Others (Ar, Ne, He, Kr, H)=1%
Quiz: Variable gas
Ans: [H2O]
-0 to 4% (highly variable)
-Most abundant variable gas•
[CO2]
-0.039% and rising
[O3]
-Highly variable, reactive gas
-Upper atmosphere: protects life from UV light
-Occurs naturally, absorbs harmful ultraviolet light from sun
Quiz: Greenhouse gases
Ans: H2O, CO2, CH4, absorb infrared radiation emitted by the earth
•Re-radiate some of the infrared radiation back down
,
,Quiz: Ideal Gas Law
Ans: P=DT
Quiz: Celsius calculation
Ans: C= 5/9 (F - 32)
Quiz: Density
Ans: Density decreases w/ height
Quiz: Standard pressure
Ans: -14.7 lbs./in2
-29.92" Hg
-1013 hPa
Quiz: Layers of the atmosphere
Ans: Thermo(85k-100k)
Meso(50k-85k)
Strato(12k-50k)
Tropo(0-12k)
Quiz: Troposphere
Ans: •Between surface & about 36,000' (11 km)
-Where weather occurs (and most of the aviation takes place)
-Pressure ranges between 200 to 1030 mb
•Decreasing temperature with height
, -Heated from below because the ground absorbs more of the sun's rays than
air
•Has vertical air currents and turbulence
-Hazardous to aviators
Quiz: Stratosphere
Ans: •Between ~ 36,000 and 160,000 '(11-50 km)
-Pressures range from about 1 to 200 mb
-Temperature increases with height in the stratosphere due to the absorption
of UV radiation by ozone
Quiz: Tropopause
Ans: •Boundary between troposphere and stratosphere
•Altitude varies with latitude & with season
•Where and when is it highest & coldest? Summer in Tropical regions
•Lowest & warmest? Winter in Polar regions
•Location of lowest temp and max wind (near jet stream)
•Thunderstorm tops and high clouds extend to the tropopause
Quiz: Wind w/ height
Ans: •Wind speed generally increases with height
•Wind speeds near tropopause 50-200 kt
•Maximum wind speed at tropopause
•Strongest wind shear just above & below tropopause
Quiz: Isothermal layer