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| Titel |
Flood maps in Europe – methods, availability and use |
| VerfasserIn |
H. Moel, J. Alphen, J. C. J. H. Aerts |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 9, no. 2 ; Nr. 9, no. 2 (2009-03-04), S.289-301 |
| Datensatznummer |
250006700
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| Publikation (Nr.) |
 copernicus.org/nhess-9-289-2009.pdf |
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| Zusammenfassung |
| To support the transition from traditional flood defence strategies to a
flood risk management approach at the basin scale in Europe, the EU has
adopted a new Directive (2007/60/EC) at the end of 2007. One of the major
tasks which member states must carry out in order to comply with this
Directive is to map flood hazards and risks in their territory, which will
form the basis of future flood risk management plans. This paper gives an
overview of existing flood mapping practices in 29 countries in Europe and
shows what maps are already available and how such maps are used. Roughly
half of the countries considered have maps covering as good as their entire
territory, and another third have maps covering significant parts of their
territory. Only five countries have very limited or no flood maps available
yet. Of the different flood maps distinguished, it appears that flood extent
maps are the most commonly produced floods maps (in 23 countries), but flood
depth maps are also regularly created (in seven countries). Very few
countries have developed flood risk maps that include information on the
consequences of flooding. The available flood maps are mostly developed by
governmental organizations and primarily used for emergency planning,
spatial planning, and awareness raising. In spatial planning, flood zones
delimited on flood maps mainly serve as guidelines and are not binding. Even
in the few countries (e.g. France, Poland) where there is a legal basis to
regulate floodplain developments using flood zones, practical problems are
often faced which reduce the mitigating effect of such binding legislation.
Flood maps, also mainly extent maps, are also created by the insurance
industry in Europe and used to determine insurability, differentiate
premiums, or to assess long-term financial solvency. Finally, flood maps are
also produced by international river commissions. With respect to the EU
Flood Directive, many countries already have a good starting point to map
their flood hazards. A flood risk based map that includes consequences,
however, has yet to be developed by most countries. |
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