Key pluvial parameters in assessing rainfall erosivity in the south-west development region,Romania |
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| Authors: | Monica Dumitra?cu Carmen-Sofia Dragot? Ines Grigorescu Costin Dumitra?cu Alina Vl?du? |
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| Institution: | 1.Institute of Geography,Romanian Academy,Bucharest,Romania;2.Department of Geography,Spiru Haret University,Bucharest,Romania;3.Department of Geography,University of Craiova,Craiova,Romania |
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| Abstract: | Located in the south-western part of Romania, the south-west development region overlaps the main relief forms: the Carpathians mountains, the Getic Subcarpathians, the Getic piedmont, the Romanian plain and the Danube valley. The study aims at providing an overview on the main pluvial parameters and their role in assessing rainfall erosivity in the study area. The authors assessed the occurrence, frequency and magnitude of some of the most significant pluvial parameters and their impact on the climatic aggressiveness in the study area. Thus, the monthly and annual mean and extreme climatic values for different rainfall related parameters (e.g., maximum amounts of precipitation/24 hr, heavy rainfall), as well as relevant indices and indicators for pluvial aggressiveness (Fournier, Fournier Modified, Angot) were calculated. The rainfall erosivity was assessed in order to provide both the spatial distribution of the triggering extreme weather phenomena and the resulted intensity classes for the analysed indices and indicators. The authors used long-term precipitation records (1961–2010) for the selected relevant meteorological stations distributed throughout all analysed relief units. |
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