DISGAS-2.0: A model for passive DISpersion of GAS | Rapporti Tecnici INGV

366 DISGAS-2.0: A model for passive DISpersion of GAS | Rapporti Tecnici INGV

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Pubblicato: 15-10-2021

aaaaaaaaa DOI: https://doi.org/10.13127/rpt/332

Parole chiave:

Antonio Costa

Istituto Nazionale di Geofisica e Vulcanologia (INGV)

0000-0002-4987-6471

Giovanni Macedonio

Istituto Nazionale di Geofisica e Vulcanologia (INGV)

0000-0001-6604-1479

Abstract

The code DISGAS (model for passive DISpersion of GASes) is a Eulerian model for passive dispersion of diluted gas and fine dust particles. Turbulent diffusion is based on the K-theory and the wind field can be evaluated assuming either a uniform wind profile based on the Similarity Theory or using a terrain-following mass-consistent wind model. DISGAS can be used to forecast concentration of gas (or dust) over complex terrains. The inputs to the model are topography, wind observations from meteorological stations, atmospheric stability information, and gas flow rate from a discrete number of point sources. DISGAS is written in fortran 90. Here we describe the model and an application example.

Fascicolo

V. 332 (2016): DISGAS-2.0: A model for passive DISpersion of GAS

Sezione

Articoli

Creative Commons License

Questo volume è pubblicato con la licenza Creative Commons Attribuzione 4.0 Internazionale.

Come citare

Costa, A., & Macedonio, G. (2021). DISGAS-2.0: A model for passive DISpersion of GAS. Rapporti Tecnici INGV, 332, 34. https://doi.org/10.13127/rpt/332

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