아세안
연구정보
ESTIMATION AND MAPPING OF EXTREME RAINFALL IN THE CATCHMENT AREA OF BATNA (ALGERIA)
알제리 국외연구자료 기타 Guellouh SAMI (Doctorant, Laboratoire LRNAT, University of Batna, 05 Avenue Chahid Boukhlouf 05000, Algeria e-mail: guellouhsami@gmail.com) Editura Universitatii din Oradea 발간일 : 2016-08-10 등록일 : 2016-08-10 원문링크
Statistical estimation of rainfall associated with extreme events is of major interest for hydrologists in terms of risk prevention. Comprehending the spatial distribution of extreme rainfalls that cover the entire catchment area, the impluvium, of Batna, requires as a first step a frequency analysis of annual maximum daily rainfall time series with the application of empirical distributions, namely the GEV distribution, the Gumbel distribution and the log-normal distribution. This has allowed us to estimate the quantiles of extreme rainfall with return periods of 5, 10, 20, 50 and 100 years for ten rainfall stations. Subsequently, this has allowed us to map the quantiles matching the centennial return period using three types of interpolations.
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