Articles | Volume 22, issue 7
Hydrol. Earth Syst. Sci., 22, 3761–3775, 2018
Hydrol. Earth Syst. Sci., 22, 3761–3775, 2018

Research article 16 Jul 2018

Research article | 16 Jul 2018

Defining and analyzing the frequency and severity of flood events to improve risk management from a reinsurance standpoint

Elliott P. Morrill and Joseph F. Becker

Related subject area

Subject: Groundwater hydrology | Techniques and Approaches: Modelling approaches
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Cited articles

Bacova-Mitkova, V. and Onderka, M.: Analysis of extreme hydrologicqal events on the Danube using the peak over threshold method, J. Hydrol. Hydromech., 58, 88–101,, 2010. 
Barredo, J. I., Saurí, D., and Llasat, M. C.: Assessing trends in insured losses from floods in Spain 1971–2008, Nat. Hazards Earth Syst. Sci., 12, 1723–1729,, 2012. 
Black, A. R. and Werritty, A.: Seasonality of flooding: a case study of North Britain, J. Hydrol., 195, 1–25,, 1997. 
Dobour, J. C. and Noel, J.: A climiatological assessment of flood events in Georgia, National Oceanographic and Atmospheric Administration (NOAA), 2005. 
Doocy, S., Daniels, A., Murray, S., and Kirsch, T. D.: The Human Impact of Floods: a Historical Review of Events 1980–2009 and Systematic Literature Review, in: PLOS Currents Disasters, 1st Edn., PLOS,, 2013. 
Short summary
The goal of the paper was to develop a method to identify the length and severity of flood events for (re)insurance and risk management usage. We took publically available nationwide discharge data from the USGS to apply our method to. We were able to define a peak and a threshold for each individual site, which served as the basis of our method. The hope was that the method would help replace the current standard hours clause and hopefully improve how flood insurance is covered internationally.