Articles | Volume 17, issue 5
https://doi.org/10.5194/nhess-17-765-2017
https://doi.org/10.5194/nhess-17-765-2017
Research article
 | 
29 May 2017
Research article |  | 29 May 2017

Costs of sea dikes – regressions and uncertainty estimates

Stephan Lenk, Diego Rybski, Oliver Heidrich, Richard J. Dawson, and Jürgen P. Kropp

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Short summary
We plot the dike costs divided by their length as a function of height and test four different regression models. Our analysis shows that a linear function without intercept is sufficient to model the costs, i.e. fixed costs and higher-order contributions are less significant. We employ log-normal distributions and calculate that the range between 3x and x/3 contains 95% of the data, where x represents the regression value. We compare estimates from Canada, the Netherlands, US, UK, and Vietnam.
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