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Title: | Annual and seasonal mapping of peak intensity, magnitude and duration of extreme precipitation events across a climatic gradient, northeast Spain |
Authors: | Beguería, Santiago ![]() ![]() ![]() ![]() |
Keywords: | extreme precipitation daily precipitation precipitation events exponential distribution regression-based interpolation L-moments peak intensity magnitude northeast Spain duration Mediterranean |
Issue Date: | Oct-2009 |
Publisher: | John Wiley & Sons |
Citation: | International journal of climatology 29 (12): 1759-1779 |
Abstract: | Assessing the characteristics of extreme precipitation over large regions has a great interest, mainly due to its applications in hazard analysis. However, most of the analyses are reduced to daily rainfall intensity due to the fact that most long precipitation records were collected on a daily basis. Hazardous situations related to extreme precipitation events, however, can be originated either by very intense rainfall, or by large accumulated precipitation due to the persistence of the rainy conditions over a long period of time. In this paper, we show the use of a methodology based on the extreme-value theory to obtain continuous maps of quantiles of precipitation event parameters—peak intensity, magnitude and duration—for a large region with contrasted climatic characteristics in the northeastern Iberian Peninsula. Spatial models of the probability distributions parameters were calculated, which allowed constructing the regional probability models. The analysis was based on time series of precipitation events, which were obtained from the original daily series. In addition to the usual annual-based analysis, seasonal analyses were also performed. This allowed assessing the differences in the spatial distribution of the probability of extreme events at different times of the year. |
Description: | 50 Pag., 5 Tabl., 11 Fig. The definitive version is available at: http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1097-0088 |
Publisher version (URL): | http://dx.doi.org/10.1002/joc.1808 |
URI: | http://hdl.handle.net/10261/32880 |
DOI: | http://dx.doi.org/10.1002/joc.1808 |
ISSN: | 0899-8418 |
E-ISSN: | 1097-0088 |
Appears in Collections: | (EEAD) Artículos (IPE) Artículos |
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BegueriaS_JClimatol2009.pdf | 4,17 MB | Adobe PDF | ![]() View/Open |
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