Estimation of expected annual damage, EAD

Abstract The sensitivity of expected annual damage, EAD, is analytically analysed by applying a log-linear relation between return periods and corresponding damages. It is found that the smallest return period for damage should be estimated as precisely as possible, that the percentage uncertainty in the damage estimate is transformed into the same percentage uncertainty in the EAD estimate, and that it is possible to extrapolate beyond the largest return period with corresponding damage assessment. The precision of the estimate of EAD is investigated in detail in the case of only few available data, and it is found that two different methods for numerical integration may result in strongly diverging results. By applying a piecewise log-linear damage function, it is shown that the log-linear model provides a trustworthy estimate of EAD, also in the case of few available data. Finally, the modifications needed in the special case of threshold exceedance data instead of annual maxima data are presented.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Estimation of expected annual damage, EAD ; volume:385 ; year:2024 ; pages:25-29 ; extent:5
Proceedings of the International Association of Hydrological Sciences / International Association of Hydrological Sciences ; 385 (2024), 25-29 (gesamt 5)

Creator
Rosbjerg, Dan

DOI
10.5194/piahs-385-25-2024
URN
urn:nbn:de:101:1-2404250451296.129040228995
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
14.08.2025, 10:45 AM CEST

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Associated

  • Rosbjerg, Dan

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