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Authors: Costa, A.* 
Macedonio, G.* 
Chiodini, G.* 
Title: Numerical model of gas dispersion emitted from volcanic sources
Issue Date: 2005
Series/Report no.: 4-5/48 (2005)
Keywords: gas dispersion
volcanic gas
computer model
Subject Classification04. Solid Earth::04.08. Volcanology::04.08.01. Gases 
Abstract: An Eulerian model for passive gas dispersion based on the K-theory for turbulent diffusion, coupled with a mass consistent wind model is presented. The procedure can be used to forecast gas concentration over large and complex terrains. The input to the model includes the topography, wind measurements from meteorological stations, atmospheric stability information and gas flow rate from the ground sources. Here, this model is applied to study the distribution of the CO2 discharged from the hot sources of the Solfatara Volcano, Naples, Italy, where the input data were measured during a 15 day campaign in June 2001 carried out to test an Eddy Covariance (EC) station by Osservatorio Vesuviano-INGV, Naples.
Appears in Collections:Annals of Geophysics

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