Fuzzy set approach to calibrating distributed flood inundation models using remote sensing observations

F. Pappenberger*, K. Frodsham, K. Beven, R. Romanowicz, P. Matgen

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

94 Citations (Scopus)

Abstract

The paper presents a methodology for the estimation of uncertainty of inundation extent, which takes account of the uncertainty in the observed spatially distributed information and implements a fuzzy evaluation methodology. The Generalised Likelihood Uncertainty Estimation (GLUE) technique and the 2-D LISFLOOD-FP model were applied to derive the set of uncertain inundation realisations and resulting flood inundation maps. Conditioning of the inundation maps on fuzzified Synthetic Aperture Radar (SAR) images results in much more realistic inundation risk maps which can better depict the variable pattern of inundation extent than previously used methods. It has been shown that the evaluation methodology compares well to traditional approaches and can produce flood hazard maps that reflect the uncertainties in model evaluation.

Original languageEnglish
Pages (from-to)739-752
Number of pages14
JournalHydrology and Earth System Sciences
Volume11
Issue number2
Publication statusPublished - 26 Jan 2007

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