ENVIRSC 1A03 Lecture Notes - Aerosol, Thermosphere, Dobson Unit
23 Feb 2014
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Document Summary
Importance of weather: e. g. hurricane katrina cyclone, number of events proportional to damage costs, alberta most disruptive flood of canadian history, evacuation. 100k people, top weather story of 2013: toronto flooding - a lot of cement, thus ground could not absorb water. Impact of climate: climate is long term as opposed to present/specific conditions (weather, agriculture: types of crop is grown dictated by climate. Hazard planning adjust for potential for diff. types of catastrophes. Importance of the composition of the atmosphere: weather events and climate events, water vapour diagram dark areas are dry, water vapour ix the most abundant greenhouse gas in the atmosphere, rapid increase in the concentration of co2. With the use of fossil fuel, concentrations increased drastically. Size of north america: formation of ozone in the stratosphere one o atom reacts with. O2 molecule: size of ozone hole is not constant throughout the year.
