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Initial soil moisture effects on flash flood generation – A comparison between basins of contrasting hydro-climatic conditions

Gryllakis Emmanouil, Koutroulis Aristeidis, Komma Jürgen, Tsanis Giannis, Wagner Wolfgang, Blöschl, Günter, 1961-

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/831ECAA4-3469-430A-8236-DDD8A3189351-
Αναγνωριστικόhttps://www.sciencedirect.com/science/article/pii/S0022169416301123?via%3Dihub-
Αναγνωριστικόhttps://doi.org/10.1016/j.jhydrol.2016.03.007-
Γλώσσαen-
Μέγεθος12 pagesen
ΤίτλοςInitial soil moisture effects on flash flood generation – A comparison between basins of contrasting hydro-climatic conditionsen
ΔημιουργόςGryllakis Emmanouilen
ΔημιουργόςΓρυλλακης Εμμανουηλel
ΔημιουργόςKoutroulis Aristeidisen
ΔημιουργόςΚουτρουλης Αριστειδηςel
ΔημιουργόςKomma Jürgenen
ΔημιουργόςTsanis Giannisen
ΔημιουργόςΤσανης Γιαννηςel
ΔημιουργόςWagner Wolfgangen
ΔημιουργόςBlöschl, Günter, 1961-en
ΕκδότηςElsevieren
ΠερίληψηThe purpose of this paper is to contribute to the understanding of the importance of the initial soil moisture state for flash flood magnitudes. Four extreme events that occurred in different case study regions were analysed, one winter and one autumn flash flood in the Giofiros and Almirida catchments in Crete, and two summer floods in the Rastenberg catchment in Austria. The hydrological processes were simulated by the spatially distributed flash flood model Kampus. For the Crete cases Kampus model was calibrated against remotely sensed soil moisture while for the Austrian case the model was calibrated against observed runoff. Kampus model was then used to estimate the sensitivity of the stream flow peak to initial soil moisture. The largest of the events analysed (in terms of specific peak discharge) was found to have a sensitivity of less than 0.2% flood peak change per % soil moisture change while the smallest event had a sensitivity of more than 3% flood peak change per % soil moisture change. This suggests that initial soil moisture effects on the flash flood response probably depend on event magnitude rather than on the climate or region. Moreover, the Austrian catchment was found to exhibit a more nonlinear relationship between antecedent soil moisture and the peak discharge than the Cretan catchments which was explained by differences in the soil type.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2018-10-08-
Ημερομηνία Δημοσίευσης2016-
Θεματική ΚατηγορίαAustriaen
Θεματική ΚατηγορίαCreteen
Θεματική ΚατηγορίαFlood generationen
Θεματική ΚατηγορίαInitial soil moistureen
Θεματική ΚατηγορίαSoil water indexen
Βιβλιογραφική ΑναφοράM. G. Grillakis, A. G. Koutroulis, J. Komma, I. K. Tsanis, W. Wagner and G. Blöschl, "Initial soil moisture effects on flash flood generation – A comparison between basins of contrasting hydro-climatic conditions," J. Hydrol., vol. 541, pp. 206-217, Oct. 2016. doi: 10.1016/j.jhydrol.2016.03.007en

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