Disaster management its forms and effects


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Disaster management its forms and effects

  1. 1. What is a “Disaster”? • Disaster- dis·as·ter n. a. An occurrence causing widespread destruction and distress; a catastrophe. b. A grave misfortune. c. Informal- A total failure
  2. 2. D: Detection I: Incident Command S: Safety & Security A: Assess Hazards S: Support T: Triage & Treatment E: Evacuation R: Recovery DISASTER MANAGEMENT
  3. 3. • Natural disasters have been responsible for the deaths of millions of people • Earthquake • Landslides • Avalanche • Volcano • Tornado • Hurricanes, floods • Fires • Meteors • Etc… • Man-made disasters may be accidental or intentionally caused • Fires • Explosive devices • Firearms • Structural collapse • Transportation event – Air, Rail, Roadway, Water
  4. 4. Anand Patwardhan, IIT-Bombay 5 Mortality due to natural hazards 1990 - 2000
  5. 5. Anand Patwardhan, IIT-Bombay 6 Exposure to natural hazards • 40 million hectares flood prone (5% of area) • 54% area exposed to seismic activity • East coast of India and Gujarat (West coast) exposed to cyclone risk • A preliminary assessment of exposure to major hazard categories has been done in 1996-1998 (as a part of IDNDR) by the Building Materials Technology Promotion Council of the Ministry of Urban Development. Check: http://www.bmtpc.org/disaster.htm • Trying to put this information in a GIS format
  6. 6. Anand Patwardhan, IIT-Bombay 7 GOVERNMENT OF INDIA : NODAL MINISTRIES / DEPARTMENT FOR DISASTER MANAGEMENT DISASTERS NODAL MINISTRIES Natural Disasters Agriculture Air Accidents Civil Aviation Civil Strife Home Affairs Railway Accidents Railways Chemical Disasters Environment Biological Disasters Health & family Welfare Nuclear Accident Atomic Energy
  7. 7. 8 National response mechanism
  8. 8. Floods • Floods affect the lives of more than 65 million people per year • More than any other type of disaster, including war, drought and famine • In East and Southeast Asia, during the monsoon season, rivers swell to over 10 times the dry season flow • About 13% (of 45,000) of all large dams in the world – in more than 75 countries – have a flood management function
  9. 9. Flood Damage • Injuries and loss of life • Social disruption • Income loss • Emergency costs • Physical damage – Structures, utilities, autos, crops, etc. • Lost value of public agency services – Police & fire protection, hospitals, etc. • Tax loss – Property and sales www.ci.austin.tx.us
  10. 10. Floods and Water Hazards Elements at Risk • Everything in the flood plain. • Earthen or soluble structures • Buried services and utilities • Food stores • Crops and livestock Main Mitigation Strategies. • Land use control • Engineering of strictures • Elevation of structures • Flood control structures • Reforestation projects (watershed management)
  11. 11. Flood-Damage Reduction Measures Measures that reduce damage by reducing discharge Measures that reduce damage by reducing stage Measures that reduce damage by reducing existing damage susceptibility Measures that reduce damage by reducing future damage susceptibility Reservoir Channel improvement Levee or floodwall Land-use and construction regulation Diversion Floodproofing Acquisition Watershed management Relocation Flood warning and preparedness planning
  12. 12. Proactive Approach in Disaster Management