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Flood Risk Distribution Print E-mail
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Global Flood Mortality Risks and Distribution is a 2.5 by 2.5 minute grid of global flood mortality risks.

Map description and dataset provided by: Columbia University

DescriptionFlood Risk Distribution

In order to more accurately reflect the confidence associated with the data and the procedures, the potential mortality estimate range is classified into deciles, 10 classes of increasing hazard with an approximately equal number of grid cells per class, producing a relative estimate of flood-based mortality risks.

Interpretation

Gridded Population of the World (GPW) Version 3.0 (beta) data provided a baseline population per grid cell from which to estimate potential mortality risks due to flood hazard. Mortality loss estimates per flood event are calculated using regional, hazard-specific mortality records of the Emergency Events Database (EM-DAT) that span the 20 years between 1981 and 2000. Data regarding the frequency and distribution of flood hazard are obtained from the Global Flood Hazard Frequency and Distribution dataset.

Source

The dataset for this map was provided by: CHRR User Service, Columbia University

Background

Gridded Population of the World (GPW) Version 3.0 (beta) data provided a baseline population per grid cell from which to estimate potential mortality risks due to flood hazard. Mortality loss estimates per flood event are calculated using regional, hazard-specific mortality records of the Emergency Events Database (EM-DAT) that span the 20 years between 1981 and 2000. Data regarding the frequency and distribution of flood hazard are obtained from the Global Flood Hazard Frequency and Distribution dataset.

Citation

Please cite this map as: "GWSP Digital Water Atlas (2008). Map 78: Flood Risk Distribution (V1.0). Available online at http://atlas.gwsp.org."

Contact Information

Socioeconomic Data and Applications Center (SEDAC) User Services, http://www.ldeo.columbia.edu/chrr/research/hotspots/

 
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