Geography 2152F/G Study Guide - Fall 2018, Comprehensive Midterm Notes - Snow, Mountain, Canada
12 Oct 2018
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In the artic region: ozone depletion, acid rain, an issue in our part of the world, pollutants mixed with raindrops. Infrastructure failure (aging, old bridges, etc. : shipwrecks, airplane crashes. Plate tectonics, earthquakes: driven by the sun"s energy, ex. Even a snow storm can get its energy from the sun: ex. Meteorites: gravitational attraction, driven by force of gravity, ex. Definitions: hazard: a process that poses a potential threat to people or the environment, potential: doesn"t mean it is necessarily going to play out. Magnitude & frequency: the impact of a hazard is a function of both its magnitude (i. e. energy released) and frequency. The geologic cycle: throughout earth"s (cid:886). 6 billion year history, the materials on or near the surface have been created and modified by physical and chemical processes. 3: collectively, these processes are called the geologic cycle, which encompasses the following, tectonic cycle, rock cycle, hydrologic cycle.
