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Stochastic single-site generation of daily and monthly rainfall in the Middle East

โœ Scribed by Muamaraldin Mhanna; Willy Bauwens


Book ID
102510074
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
253 KB
Volume
19
Category
Article
ISSN
1350-4827

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โœฆ Synopsis


Abstract

An important limitation of commonly used single site daily rainfall models is their inability to represent monthly characteristics of observed rainfall, whereas impact studies often demand the accommodation of such statistics of rainfall. In this study, a singleโ€site model for simulations of daily and monthly rainfall in arid and semiโ€arid areas in the Middle East was developed. The rainfall generator is a Markovโ€Gamma model in which a firstโ€order twoโ€state Markov chain was used to determine the occurrence of rainfall and a twoโ€parameter Gamma distribution was applied to simulate the rainfall amount on wet days. The basic structure of the generation process comprises the generation of a sequence of daily rainfall amounts and the adjustment of this daily rainfall by implementing the Thomasโ€Fiering monthly model. This procedure guarantees that important statistical characteristics of the daily and monthly rainfall are reproduced. Copyright ยฉ 2011 Royal Meteorological Society


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