ECN 510 Chapter 1&4: Chapter 1 & 4 notes
Document Summary
Many hazards are caused by people (pandemics, warfare, etc. ) Disaster/catastrophe: events that cause serious injury, ,loss of life, Hazard: any natural process that threatens human life or property. The process itself is not a hazard; rather it becomes a hazard only when threatening human interests risk: the probable severity that a destructive event will occur multiplied by the event"s likely impact on people and property. The ofda/cred international disaster database & the centre for. Mitigation: used by scientists, planners, and policy makers when describing efforts to prepare for disasters and to minimize their harmful effects. Ex. after floors, water supplies may be contaminated by bacteria, causing disease to spread. To mitigate the effects of this contamination, a relief agency or govt may arrange for portable water treatment plants, disinfect water well, and distribute bottled water. Geologic cycle: the four associated sequences of earth processes: the tectonic cycle, the rock cycle, the hydrologic cycle, biogeochemical cycles.
