Articles | Volume 19, issue 1
Nat. Hazards Earth Syst. Sci., 19, 313–323, 2019
https://doi.org/10.5194/nhess-19-313-2019
Nat. Hazards Earth Syst. Sci., 19, 313–323, 2019
https://doi.org/10.5194/nhess-19-313-2019

Research article 01 Feb 2019

Research article | 01 Feb 2019

Communicating disaster risk? An evaluation of the availability and quality of flood maps

Daniel Henstra et al.

Related subject area

Dissemination, Education, Outreach and Teaching
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Revised manuscript accepted for NHESS
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Cited articles

Albano, R., Mancusi, L., and Abbate, A.: Improving flood risk analysis for effectively supporting the implementation of flood risk management plans: The case study of “Serio” Valley, Environ. Sci. Policy, 75, 158–172, https://doi.org/10.1016/j.envsci.2017.05.017, 2017. 
Alfieri, L., Bisselink, B., Dottori, F., Naumann, G., de Roo, A., Salamon, P., Wyser, K., and Feyen, L.: Global projections of river flood risk in a warmer world, Earth's Future, 5, 171–182, https://doi.org/10.1002/2016EF000485, 2016. 
Berghuijs, W. R., Aalbers, E. E., Larsen, J. R., Trancoso, R. ,and Woods, R. A.: Recent changes in extreme floods across multiple continents, Environ. Res. Lett., 12, 1–8, https://doi.org/10.1088/1748-9326/aa8847, 2017. 
Boyer, S.: Flood roundtable to help prepare Canadians for worsening flood risks, Insur. Bus. Can., available at: https://www.insurancebusinessmag.com/ca/news/flood/flood-roundtable-to-help (last access: 8 June 2018), 2017. 
Bruce, J. P.: The National Flood Damage Reduction Program, Can. Water Resour. J., 1, 5–13, 1976. 
Short summary
Flood maps can help stakeholders and the public understand their flood risk. We evaluated the quality of publicly accessible flood maps in Canadian communities designated as flood risk areas. We found that most maps (62 %) are low quality (meeting less than half of the criteria) and the highest score was 78 % (seven of nine criteria met). Canada must make a more concerted effort to produce high-quality flood maps to support its international commitment to disaster risk reduction.
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