PROGNOSIS OF HIGH RAIN EROSIVITY PERIODS

In order to optimize the actions designed to prevent and reduce surface erosion effects on slope fields, having the prognosis of major rainfalls or knowing the years in which high erosivity rainfalls were present represent forefront useful factors. Rain erosivity, as a factor intervening in calculat...

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Bibliographic Details
Published inInternational Multidisciplinary Scientific GeoConference : SGEM Vol. 5; p. 627
Main Authors Cardei, Petru, Sfiru, Raluca, Muraru, Vergil
Format Conference Proceeding Journal Article
LanguageEnglish
Published Sofia Surveying Geology & Mining Ecology Management (SGEM) 01.01.2012
Subjects
Climate
Erosion
Fourier analysis
Mathematical analysis
Prognosis
Rain
Rainfall
Vineyards
Romania
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Summary:In order to optimize the actions designed to prevent and reduce surface erosion effects on slope fields, having the prognosis of major rainfalls or knowing the years in which high erosivity rainfalls were present represent forefront useful factors. Rain erosivity, as a factor intervening in calculation of slope field rain erosion, can be estimated by measures of Fournier index, Fournier modified index, or through rain concentration index. The article presents results concerning the setting up of some prognoses on rainfalls high erosivity, starting from the experience of the previous monthly average rainfalls during 1936-2011. In order to obtain these predictions, the Fourier analysis of rainfalls history and Fournier index history, Fournier modified index and rain concentration index history, are used. Personal observations on possible estimators of climate changes are formulated. All the considerations have been made on the concrete case of rainfalls in Valea Calugareasca vineyard, Prahova County, Romania.
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ISSN:1314-2704