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Using satellite data to enhance
flood-risk management

Photo: Manoj Jayasuriya/IWMI

Giriraj Amarnath
January 17, 2014
Col...
Flood events in the last 10 years
• 23 flood occurrences
• 500 lives lost
• 9 million people affected
• economic loss of U...
What can be done to reduce impact?
If we can predict more accurately where
and when floods will occur, and how big
they wi...
Space technology can help manage flooding
Flood Risk Products

• Satellite data has been used to estimate flood
frequency ...
ස ස ස ස
ස ස ස ස
Thank you
Applying technology to
water management
A water-secure world
www.iwmi.org
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Using satellite data to enhance flood risk management

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Giriraj Amarnath
January 17, 2014
Colombo, Sri Lanka
International Water Management Institute (IWMI)

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Transcript of "Using satellite data to enhance flood risk management"

  1. 1. Using satellite data to enhance flood-risk management Photo: Manoj Jayasuriya/IWMI Giriraj Amarnath January 17, 2014 Colombo, Sri Lanka A water-secure world www.iwmi.org
  2. 2. Flood events in the last 10 years • 23 flood occurrences • 500 lives lost • 9 million people affected • economic loss of USD 1 billion A water-secure world www.iwmi.org
  3. 3. What can be done to reduce impact? If we can predict more accurately where and when floods will occur, and how big they will be, opportunities for mitigation will be enhanced. Digital geospatial flood inundation mapping is a powerful new approach for flood response and control that shows floodwater extent and depth on the land surface. A water-secure world www.iwmi.org
  4. 4. Space technology can help manage flooding Flood Risk Products • Satellite data has been used to estimate flood frequency and extent covering entire Sri Lanka. • Flood impact on agriculture studied at different scales. Agri. flooding in Polonnaruwa • Knowledge generated here will support Disaster Management Centre and the Irrigation Department for mitigation, preparedness and flood insurance index product A water-secure world www.iwmi.org
  5. 5. ස ස ස ස ස ස ස ස Thank you Applying technology to water management A water-secure world www.iwmi.org
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