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Unformatted text preview: -Where most of our weather originates Troposphere:-temp decrease with increasing altitude- heated by the earth (which is heated by the sun) Heated from below by earth’s surface Troposphere- thicker near equator (about 16km) and progressively thinner towards poles (`8km) Tropopause -Stratosphere – tropopause to ~ 50km aboce earth-Air much less dense Stratosphere Ozone layer 03 Only .00006% Absorbs UV and converts to heat Temperature generally increases with increasing altitude Typically no clouds Mesosphere-50 to 80km above earths surface Temp decreases as altitude increases Low temperatures Mesopause -90 degrees Thermosphere-top layer in the atmosphere 80 m + above the eather Temp increase with incea alt Very warm but tem has lil meaning 900 at 350 km...
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This note was uploaded on 04/06/2012 for the course GEOG 1600 taught by Professor Roger during the Fall '12 term at York University.
- Fall '12