GEOG 1350- Final Exam Guide - Comprehensive Notes for the exam ( 39 pages long!)
29 Mar 2018
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Document Summary
Hazards affect millions of people around the world each year. Within north america, every location is at risk from at least one hazardous process. Natural hazards can arise from three main processes: Internal forces within earth: driven by the internal energy of the earth, ex. Plate tectonics: external for(cid:272)es o(cid:374) earth"s surfa(cid:272)e, driven by the suns energy, ex. Atmospheric effects: gravitational attraction, driven by the force of gravity, ex. Natural hazard: a natural process that poses a potential threat to people and property. Risk: the probability of an event occurring multiplied by the impact on people and property. Disaster: a brief event that causes great damage or loss of life. Natural hazards differ in their potential to cause a catastrophe based on the size of the area affected. More likely to be catastrophic: : tsunamis, earthquakes, volcanoes, hurricanes, floods. Less likely to be catastrophic: landslides, avalanches, wildfire, tornadoes.
