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Flood risk mapping worldwide : a flexible methodology and toolbox

(2019) WATER. 11(11).
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Abstract
Flood risk assessments predict the potential consequences of flooding, leading to more effective risk management and strengthening resilience. However, adequate assessments rely on large quantities of high-quality input data. Developing regions lack reliable data or funds to acquire them. Therefore, this research has developed a flexible, low-cost methodology for mapping flood hazard, vulnerability and risk. A generic methodology was developed and customized for freely available data with global coverage, enabling risk assessment worldwide. The default workflow can be enriched with region-specific information when available. The practical application is assured by a modular toolbox developed on GDAL and PCRASTER. This toolbox was tested for the catchment of the river Moustiques, Haiti, for which several flood hazard maps were developed. Then, the toolbox was used to create social, economic and physical vulnerability maps. These were combined with the hazard maps to create the three corresponding flood risk maps. After creating these with the default data, more detailed information, gathered during field work, was added to verify the results of the basic workflow. These first tests of the developed toolbox show promising results. The toolbox allows policy makers in developing countries to perform reliable flood risk assessments and generate the necessary maps.
Keywords
flood hazard map, vulnerability, flood risk, open source, Haiti, MODEL, SENSITIVITY, MANAGEMENT

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Citation

Please use this url to cite or link to this publication:

MLA
Glas, Hanne, et al. “Flood Risk Mapping Worldwide : A Flexible Methodology and Toolbox.” WATER, vol. 11, no. 11, 2019.
APA
Glas, H., Rocabado, I., Huysentruyt, S., Maroy, E., Salazar Cortez, D., Coorevits, K., … Deruyter, G. (2019). Flood risk mapping worldwide : a flexible methodology and toolbox. WATER, 11(11).
Chicago author-date
Glas, Hanne, Ivan Rocabado, Steven Huysentruyt, Edith Maroy, Danitza Salazar Cortez, Kobe Coorevits, Philippe De Maeyer, and Greet Deruyter. 2019. “Flood Risk Mapping Worldwide : A Flexible Methodology and Toolbox.” WATER 11 (11).
Chicago author-date (all authors)
Glas, Hanne, Ivan Rocabado, Steven Huysentruyt, Edith Maroy, Danitza Salazar Cortez, Kobe Coorevits, Philippe De Maeyer, and Greet Deruyter. 2019. “Flood Risk Mapping Worldwide : A Flexible Methodology and Toolbox.” WATER 11 (11).
Vancouver
1.
Glas H, Rocabado I, Huysentruyt S, Maroy E, Salazar Cortez D, Coorevits K, et al. Flood risk mapping worldwide : a flexible methodology and toolbox. WATER. 2019;11(11).
IEEE
[1]
H. Glas et al., “Flood risk mapping worldwide : a flexible methodology and toolbox,” WATER, vol. 11, no. 11, 2019.
@article{8635111,
  abstract     = {Flood risk assessments predict the potential consequences of flooding, leading to more effective risk management and strengthening resilience. However, adequate assessments rely on large quantities of high-quality input data. Developing regions lack reliable data or funds to acquire them. Therefore, this research has developed a flexible, low-cost methodology for mapping flood hazard, vulnerability and risk. A generic methodology was developed and customized for freely available data with global coverage, enabling risk assessment worldwide. The default workflow can be enriched with region-specific information when available. The practical application is assured by a modular toolbox developed on GDAL and PCRASTER. This toolbox was tested for the catchment of the river Moustiques, Haiti, for which several flood hazard maps were developed. Then, the toolbox was used to create social, economic and physical vulnerability maps. These were combined with the hazard maps to create the three corresponding flood risk maps. After creating these with the default data, more detailed information, gathered during field work, was added to verify the results of the basic workflow. These first tests of the developed toolbox show promising results. The toolbox allows policy makers in developing countries to perform reliable flood risk assessments and generate the necessary maps.},
  articleno    = {2371},
  author       = {Glas, Hanne and Rocabado, Ivan and Huysentruyt, Steven and Maroy, Edith and Salazar Cortez, Danitza and Coorevits, Kobe and De Maeyer, Philippe and Deruyter, Greet},
  issn         = {2073-4441},
  journal      = {WATER},
  keywords     = {flood hazard map,vulnerability,flood risk,open source,Haiti,MODEL,SENSITIVITY,MANAGEMENT},
  language     = {eng},
  number       = {11},
  pages        = {20},
  title        = {Flood risk mapping worldwide : a flexible methodology and toolbox},
  url          = {http://dx.doi.org/10.3390/w11112371},
  volume       = {11},
  year         = {2019},
}

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