hazards


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  • Created by: katiebarn
  • Created on: 10-05-18 10:13
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  • variety in effects of natural hazards is caused by...
    • risk and vulnerability
      • people put themslefs at risk from natural hazards becuase...
        • hazards events are unpredictable
        • lack of alternatives
        • level of risk is changing
        • coast/ benifit
        • perception
      • vulnerability to natural hazards means the potential for loss. vulnerability varies over time and space
      • risk is the exposure to a hazardous event presnting a thret to them selfs, possesions and the built environment
      • risk and vulnrabilty is differnt for differnt places and differnt people. this means same sized hazrad can affect differnt people and places differrntly
        • things that effect risk and vulnrabilty
          • wealth
          • education
          • physical envrionment
          • assess to technology
    • perception of hazards
      • perception depends on...
        • socio- economic status
          • in wealthier areas there is a sense of preparedness backed by capital to back technology. a sense of helplessness increases with levels of poverty
        • education
        • empolyment status
        • religion
        • family status
        • past experience
        • values, personality and expectations
      • people will view hazards in the following ways
        • fatalism- hazards are part of living in that area, they are 'Gods will' and losses are acepted as invitable
        • adaptation- people see they can prepare and survive events by prediction prevention and pretection
        • fear- people feel so vulnerable to an event that they can no longer face living in the area and move away
    • management of hazard
      • community resilience- sustained abilty of a comunity to utilise avalible resoirces to respond, withstand and recocer from the effects of natural hazardds
      • integrated risk management
        • identifcation of hazrad
        • anyslis of risks
        • establishing pirorties
        • treating risk and implementing risk reduction plans
        • development of public awareness and comunication
        • monitoring and reviewing
      • disaster risk management cycle
        • prediction
        • prevention
        • protection
        • atemps at mangment must be evaluated by their sucess
        • illustrates the ongoing process by which governments, buisnesses and society plan for and reduce impacts of disastors, react during and imediatly following an event and taking steps to recover after. apropriate action at all points can lead to greater preparndness, better warning and reduced vunrability or preverbntion of the hazard during the next cyle.
        • the main goal of disaster mangment is promotion of sustainable development. where this is achevieed people have a greater capsity to deal with disastors in the future with quicker and longer lasting recovery
      • disaster response curve
        • shows howhazrads have varring impacts over time
        • also can show how differtrn events can have differnt impacts
    • distubtion, frequency and magnitude
      • localised or global effect
      • spatial coverage
      • distibution through time
      • size of the impact
    • secondary imacts of the hazard
      • could worsen the

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