Stochastic single-site generation of daily and monthly rainfall in the Middle East
โ 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
- DOI
- 10.1002/met.256
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โฆ 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 singleโsite model for simulations of daily and monthly rainfall in arid and semiโarid areas in the Middle East was developed. The rainfall generator is a MarkovโGamma model in which a firstโorder twoโstate Markov chain was used to determine the occurrence of rainfall and a twoโparameter 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 ThomasโFiering 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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