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| Titel |
Regional flow duration curves for ungauged sites in Sicily |
| VerfasserIn |
F. Viola, L. V. Noto, M. Cannarozzo, G. Loggia |
| 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 ; 15, no. 1 ; Nr. 15, no. 1 (2011-01-25), S.323-331 |
| Datensatznummer |
250012605
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| Publikation (Nr.) |
 copernicus.org/hess-15-323-2011.pdf |
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| Zusammenfassung |
| Flow duration curves are simple and powerful tools to deal with many
hydrological and environmental problems related to water quality assessment,
water-use assessment and water allocation. Unfortunately the scarcity of
streamflow data enables the use of these instruments only for gauged basins.
A regional model is developed here for estimating flow duration curves at
ungauged basins in Sicily, Italy. Due to the complex ephemeral behavior of
the examined region, this study distinguishes dry periods, when flows are
zero, from wet periods using a three parameters power law to describe the
frequency distribution of flows. A large dataset of streamflows has been
analyzed and the parameters of flow duration curves have been derived for about
fifty basins. Regional regression equations have been developed to derive
flow duration curves starting from morphological basin characteristics. |
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