Geography

Geography - Geography 2-11 Atmosphere97% of our atmosphere...

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Geography 2-11 Atmosphere- 97% of our atmosphere is within 18 miles of the earths surface 2-13-09 Structure of atmosphere -Gaseous Components of our atmosphere Nitrogen Oxygen *Argon *CO2—is the most abundant of our greenhouse gases *H2O vapor *Ozone (O3) * ALL NEGLIGIBLE AMOUNTS BUT VERY IMPORTANT NONETHELESS -- Rate of cooling is app. 3.5/1000 ft (environmental lapse rate) -- the earth is the primary heat source for the atmosphere ( radiation emmited from the surface) --Water vapor is invisible --Traposphere --Next is the Stratosphere - towards the end of the stratosphere it starts to warm instead of cool -- the Ozone at the top absorbs radiation and causes heat 2-16-09 Heat - Ways of heat transfer
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o Combustion o Convection The transfer of heat by fluid material that circulates o Radiation An electromagnetic transfer Anything with a temp above absolute zero will radiate Wavelength-the distance between successive wave crests o All move at the speed of light (300X10^8) Wave frequency- the number of wave crests
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Geography - Geography 2-11 Atmosphere97% of our atmosphere...

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