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Relationships between statistics of rainfall extremes and mean annual precipitation: an application for design-storm estimation in northern central Italy
Univ Bologna, Fac Civil Engn, DISTART, Bologna, Italy.ORCID-id: 0000-0002-8180-4996
2006 (Engelska)Ingår i: Hydrology and Earth System Sciences, ISSN 1027-5606, E-ISSN 1607-7938, Vol. 10, nr 4, s. 589-601Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Several hydrological analyses need to be founded on a reliable estimate of the design storm, which is the expected rainfall depth corresponding to a given duration and probability of occurrence, usually expressed in terms of return period. The annual series of precipitation maxima for storm duration ranging from 15 min to 1 day, observed at a dense network of raingauges sited in northern central Italy, are analyzed using an approach based on L-moments. The analysis investigates the statistical properties of rainfall extremes and detects significant relationships between these properties and the mean annual precipitation (MAP). On the basis of these relationships, we developed a regional model for estimating the rainfall depth for a given storm duration and recurrence interval in any location of the study region. The applicability of the regional model was assessed through Monte Carlo simulations. The uncertainty of the model for ungauged sites was quantified through an extensive crossvalidation.

Ort, förlag, år, upplaga, sidor
2006. Vol. 10, nr 4, s. 589-601
Nationell ämneskategori
Oceanografi, hydrologi och vattenresurser
Identifikatorer
URN: urn:nbn:se:uu:diva-219804ISI: 000241044900010OAI: oai:DiVA.org:uu-219804DiVA, id: diva2:703206
Tillgänglig från: 2014-03-05 Skapad: 2014-03-05 Senast uppdaterad: 2018-01-11Bibliografiskt granskad

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Di Baldassarre, Giuliano

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