basic concept of disaster and disaster risk pdf

Basic Concept Of Disaster And Disaster Risk Pdf

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How a hazard becomes a disaster? Disaster risk refers to the expectation value of deaths, injuries, and property losses that would be caused by a hazard. Impacts of Disasters. Loss of life Loss of livelihoods Damage to property Destruction of infrastructure Damage to the environment Financial loss Diversion of resources Epidemics Migration Displaced people or refugees Food shortages Insecurity. Open navigation menu.

Disaster Risk Management

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It aims to reduce socio-economic vulnerabilities to disaster as well as dealing with the environmental and other hazards that trigger them. Here it has been strongly influenced by the mass of research on vulnerability that has appeared in print since the mids. It should be an integral part of the way such organizations do their work, not an add-on or one-off action. There is potential for DRR initiatives in just about every sector of development and humanitarian work. There are steps that we can do to ensure reduction of risks. DRR actions can be political, technical, social and economic.

1.2 Disaster risk reduction key concepts

When a hazard event such as a drought, flood, cyclone, earthquake or tsunami occurs, triggering a loss of life and damage to infrastructure, it highlights the reality that society and its assets are vulnerable to such events. When discussing disaster risk management, a disaster can highlight the following in a community:. In the technical sense, it is defined through the combination of three terms: hazard, exposure and vulnerability. In some countries, such hazard areas outline the geographic extent of floods that have a year period of possible return. Any people, assets, infrastructure, and ecosystems located inside the area are all exposed to potential damage from floods. The degree of potential damage is then characterised by the area's vulnerability.


Disaster Risk Disaster Risk is defined as “the potential loss of life, injury, or destroyed or damaged assets which could occur to a system, society or a community in a specific period of time, determined probabilistically as a function of hazard, exposure, and capacity”(UNDRR)  In the technical sense, it is.


Basic Concept of Disaster and Disaster Risk

In other words, a disaster reflects the nature, intensity and magnitude of one or more hazards and the vulnerability of the affected people to these hazards. This risk is a function of: the nature, probability and intensity of hazards; the vulnerability of the people to these hazards; and, inversely, of their capacities to withstand or cope with these hazards:. Skip to content.

Disaster Risk Management
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3 Comments

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