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Authors: Casazza, M.* 
Piano, A.* 
Title: Intense events of rainfalls in Piemonte
Issue Date: 2003
Series/Report no.: 46 (2)
Keywords: precipitation
intense events
inorganic particulate matter
Subject Classification03. Hydrosphere::03.02. Hydrology::03.02.04. Measurements and monitoring 
Abstract: The possibility of studying the precipitations recorded in a large number of meteorological stations in Piemonte led us to analyse what has happened in the last century. A comparison between periods of 10-20 years, using an arbitrary index of rainfall, shows an increase in intense events in the last 20 years though we can observe a general reduction, in absolute value, of the quantity of rain. It is shown that, in the last 30 years, there has been a change in the granulometric distribution of Suspended Particulate Matter (SPM) which, in standard conditions, might become Condensation Nuclei (CN). This might have infl uenced condensation phenomenon, causing a greater frequency of intense events.
Appears in Collections:Annals of Geophysics

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