Biochemistry 2280A Midterm: Geo of hazards midterm notes

• School: Western University
• Department: Biochemistry
• Course: Biochemistry 2280A
• Professor: Beth Mac Dougall- Shackleton

Document Summary

Mid-continent: severe weather hazards tornadoes, blizzards. Hazards that pose a human and environment risk. Three main processes that natural hazards arise from: internal forces within the earth. Earth"s internal heat convection currents in the mantle drive the plates to move: external forces on earth"s surface. Driven by sun"s energy atmospheric effects (hurricanes and snowstorms get energy from the sun: gravitational attraction. Hazard: a process that poses a potential threat to people or the environment. Risk: the probability of an event occurring x the impact on people or the environment. Disaster: a brief event that causes great property damage or loss of life think of disaster as carrying out a hazard. Magnitude and frequency determines the impact of a hazard. Impact can also be affected by other factors (land use, pop. density, etc. ) The history of an area can provide insight on its risk of hazard.