Concept Of A Hazard Flashcards
(31 cards)
Hazard Definition?
An event perceived to threaten people, buildings and the natural environment
Hazard Risk Definition?
The probability that a natural hazard may take place
Geophysical Meaning?
Driven by earth’s own internal energy sources
Geophysical Hazard Examples
Tectonics - volcanoes and earthquakes
Atmospheric Meaning?
Driven by the atmosphere/ climate
Atmospheric Hazard Examples
Tropical storms
Drought
Wildfire
Hydrological Meaning?
Driven by water bodies
Hydrological Hazard Examples
Floods
Tsunamis
Hazard Perception Definition?
The way in which a group or individual view the threat of a hazard, determining the course of action they take
Factors affecting hazard perception?
Level of education Sociology-economic status Past experience Occupation Religion Personality
3 main ways to perceive a hazard?
Fear - vulnerable
Adaptation - 3Ps
Fatalism - acceptance that they will die, Gods will
Fatalism Meaning?
Losses are accepted as inevitable
‘Gods will’
Prediction Definition?
Warnings given, so that action can be taken to reduce death toll
Adaptation Definition?
Change behaviours so losses are kept to a minimum
Mitigation Definition?
Reducing/preventing the effects of a hazard
Risk Sharing Meaning?
Spread the risk (not just one affected)
Cheaper
Management Definition?
Reduce the chance of damage
Degreee varies:
Japan (billions on tsunami warnings)
Phillipines (valuables wrapped in cling film in typhoons)
Features of the Park Model - Pre-Disaster Phase?
Reduce / prevent impact
Education, land zoning, warning systems, insurance
Features of the Park Model - Relief Phase?
Immediate
Focus is to save lives and properties
Charities help
Features of the Park Model - Rehabilitation?
- Try to restore a sense of normality
2. Insurance claims, shelter, temporary infrastructure
Features of the Park Model - Reconstruction?
- Use experience of the event to improve
2. Rebuild homes, regrow crops, mitigate
Park Model - What can recovery depend on?
- Type of hazard
- Degree of preparation
- Speed of relief
- Nature of the rebuild
Hazard Management Cycle - Preparation
Actions prior to event to activate necessary resources
Minimises impact by adjusting behaviour
Features of the Hazard Management Cycle - Response stage?
Efforts to minimise the hazards created
Speed of response depends on effectiveness of emergency plan