EESA09H3 Lecture : Wind Notes.docx
13 Nov 2013
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Balance of wind based on equilibrium, input = output. Always should have a balance (dynamic system) Natural environment adjusts itself for its best needs. Life will automatically switch itself to whatever is happening in its environment. After 2. 3 billions year solar output increased and earth was becoming too warm, the switch to aerobic life, reduced the greenhouse gases (co2, ch4) and cooled the planet (suited itself based on its surroundings) Disrupt the environment (air) due to dumping of garbage, etc on grounds. Right side of composition of the atmosphere slide is all green house gases: they trap heat, retain the heat coming from the sun and keep the warmth (trap radiation) Natural greenhouse effect: is just there **same gases in both effects but emitting more co2 , Troposphere: temp decreases with height(altitude) 0-11km tropopause : transition zone stratosphere: temp increasing with height mesosphere: temp decreasing with height again thermosphere: temp increasing with height.
