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| Titel |
Review of recent advances in index flood estimation |
| VerfasserIn |
D. Bocchiola, C. Michele, R. Rosso |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1027-5606
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| Digitales Dokument |
URL |
| Erschienen |
In: Hydrology and Earth System Sciences ; 7, no. 3 ; Nr. 7, no. 3, S.283-296 |
| Datensatznummer |
250004631
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| Publikation (Nr.) |
 copernicus.org/hess-7-283-2003.pdf |
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| Zusammenfassung |
| Index flood estimation for regional flood frequency analysis needs to be based
on the information available. The most appropriate method depends on the specific
application and its choice requires a problem-oriented analysis. This paper presents a
simple theoretical framework to deal with index flood estimation for a specific river
site. The methodological approaches available for the purpose are reviewed. For each,
the information required is specified and the reliability of the estimate, particularly
desirable in risk analysis and management, is discussed. Where flood observations are
lacking, indirect estimation must be undertaken using scenarios including those commonly
met in hydrological practice; generally, these depend on the amount and type of information
available. For each scenario, the methodologies are outlined, in order of the expected
degree of complexity. After a guided analysis, an investigator can adopt the method
providing the best tradeoff between effort in collecting and handling data and the
resultant reliability which can be expected.
Keywords: direct and indirect methods, index flood estimation, reliability, scenarios. |
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