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Distribution of mortality risk associated with floods

Disaster risk for floods has been calculated for large rural flood events. The risk calculations do not include flash floods or urban flooding from inadequate drainage. The map shows the geographic distribution of mortality risk for 10 km × 10 km squares of the Earth’s surface.

As with cyclones, absolute risk is the average annual expected mortality, while relative risk is measured as the average annual expected number of deaths as a proportion of national population. The geographical distribution of flood mortality risk mirrors that for exposure. It is heavily concentrated in Asia, especially in India, Bangladesh and China. Between them these countries concentrate 75% of the modeled annual global mortality. Viet Nam also has high absolute and relative flood risks. The top ten countries on the Mortality Risk Index for floods and their respective values are India (7.5), Bangladesh (6.5), China (6), Viet Nam(6), Cambodia (6), Myanmar (5.5) Sudan (5.5), Democratic People’s Republic of Korea (5.5), Afghanistan (5), Pakistan (5).

Keywords

  • Hazards:Flood
  • Countries/Regions:Africa, Americas, Asia, Europe, Oceania

  • Short URL:http://preventionweb.net/go/10561

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