Search Results - "Neri, Augusto"

Large Eddy Simulation of gas–particle kinematic decoupling and turbulent entrainment in volcanic plumes by Cerminara, Matteo, Esposti Ongaro, Tomaso, Neri, Augusto

“…In the framework of the IAVCEI (International Association of Volcanology and Chemistry of the Earth Interior) intercomparison study on volcanic plume models,…”
Get full text

Modelling pyroclastic density currents from a subplinian eruption at La Soufrière de Guadeloupe (West Indies, France) by Esposti Ongaro, Tomaso, Komorowski, Jean-Christophe, Legendre, Yoann, Neri, Augusto

“…We have used a three-dimensional, non-equilibrium multiphase flow numerical model to simulate subplinian eruption scenarios at La Soufrière de Guadeloupe…”
Get full text

Radial interpolation of GPS and leveling data of ground deformation in a resurgent caldera: application to Campi Flegrei (Italy) by Bevilacqua, Andrea, Neri, Augusto, De Martino, Prospero, Isaia, Roberto, Novellino, Alessandro, Tramparulo, Francesco D’Assisi, Vitale, Stefano

“…This study presents a new method, called the Radial Interpolation Method, to interpolate data characterized by an approximately radial pattern around a…”
Get full text

Estimating eruptive parameters and related uncertainties for pyroclastic density currents deposits: worked examples from Somma-Vesuvius (Italy) by Cioni, Raffaello, Tadini, Alessandro, Gurioli, Lucia, Bertagnini, Antonella, Mulas, Maurizio, Bevilacqua, Andrea, Neri, Augusto

“…The quantification of the maximum runout, invaded area, volume, and total grain-size distribution (TGSD) of pyroclastic density currents (PDC) is a critically…”
Get full text

Data analysis of the unsteadily accelerating GPS and seismic records at Campi Flegrei caldera from 2000 to 2020 by Bevilacqua, Andrea, De Martino, Prospero, Giudicepietro, Flora, Ricciolino, Patrizia, Patra, Abani, Pitman, E. Bruce, Bursik, Marcus, Voight, Barry, Flandoli, Franco, Macedonio, Giovanni, Neri, Augusto

“…Ongoing resurgence affects Campi Flegrei caldera (Italy) via bradyseism, i.e. a series of ground deformation episodes accompanied by increases in shallow…”
Get full text

Conduit stability effects on intensity and steadiness of explosive eruptions by Aravena, Álvaro, Cioni, Raffaello, de’Michieli Vitturi, Mattia, Neri, Augusto

“…Conduit geometry affects magma ascent dynamics and, consequently, the style and evolution of volcanic eruptions. However, despite geological evidences support…”
Get full text

Effects of eruption source parameter variation and meteorological dataset on tephra fallout hazard assessment: example from Vesuvius (Italy) by Macedonio, Giovanni, Costa, Antonio, Scollo, Simona, Neri, Augusto

“…In this study, using the tephra dispersal model HAZMAP, we investigate the effect of using different meteorological datasets and eruption source parameters on…”
Get full text

ELICIPY 1.0: A Python online tool for expert elicitation by de’ Michieli Vitturi, Mattia, Bevilacqua, Andrea, Tadini, Alessandro, Neri, Augusto

“…Structured expert judgment is crucial when dealing with significant epistemic and aleatoric uncertainties, particularly in probabilistic hazard assessments,…”
Get full text

Eruption type probability and eruption source parameters at Cotopaxi and Guagua Pichincha volcanoes (Ecuador) with uncertainty quantification by Tadini, Alessandro, Roche, Olivier, Samaniego, Pablo, Azzaoui, Nourddine, Bevilacqua, Andrea, Guillin, Arnaud, Gouhier, Mathieu, Bernard, Benjamin, Aspinall, Willy, Hidalgo, Silvana, Eychenne, Julia, de’ Michieli Vitturi, Mattia, Neri, Augusto, Cioni, Raffaello, Pistolesi, Marco, Gaunt, Elizabeth, Vallejo, Silvia, Encalada, Marjorie, Yepes, Hugo, Proaño, Antonio, Pique, Mia

“…Future occurrence of explosive eruptive activity at Cotopaxi and Guagua Pichincha volcanoes, Ecuador, is assessed probabilistically, utilizing expert…”
Get full text

Influence of grain-size distribution on the dynamics of underexpanded volcanic jets by Carcano, Susanna, Esposti Ongaro, Tomaso, Bonaventura, Luca, Neri, Augusto

“…The dynamics of underexpanded volcanic jets is studied by means of a Eulerian multiphase flow model, accounting for kinetic and thermal non-equilibrium between…”
Get full text

The Effects of Vent Location, Event Scale, and Time Forecasts on Pyroclastic Density Current Hazard Maps at Campi Flegrei Caldera (Italy) by Bevilacqua, Andrea, Neri, Augusto, Bisson, Marina, Esposti Ongaro, Tomaso, Flandoli, Franco, Isaia, Roberto, Rosi, Mauro, Vitale, Stefano

“…This study presents a new method for producing long-term hazard maps for pyroclastic density currents (PDC) originating at Campi Flegrei caldera. Such method…”
Get full text

Ensemble-Based Data Assimilation of Volcanic Ash Clouds from Satellite Observations: Application to the 24 December 2018 Mt. Etna Explosive Eruption by Pardini, Federica, Corradini, Stefano, Costa, Antonio, Esposti Ongaro, Tomaso, Merucci, Luca, Neri, Augusto, Stelitano, Dario, de’ Michieli Vitturi, Mattia

“…Accurate tracking and forecasting of ash dispersal in the atmosphere and quantification of its uncertainty are of fundamental importance for volcanic risk…”
Get full text

Probabilistic Enhancement of the Failure Forecast Method Using a Stochastic Differential Equation and Application to Volcanic Eruption Forecasts by Bevilacqua, Andrea, Pitman, Eric Bruce, Patra, Abani, Neri, Augusto, Bursik, Marcus, Voight, Barry

“…We introduce a doubly stochastic method for performing material failure theory based forecasts of volcanic eruptions. The method enhances the well known…”
Get full text

Riser hydrodynamics: Simulation using kinetic theory by Neri, Augusto, Gidaspow, Dimitri

“…Computational fluid dynamics (CFD) for fluidization is reaching maturity (Roco, 1998). It has become common practice to compare time‐averaged solid velocities…”
Get full text

Forecasting lava flow paths by a stochastic approach by Favalli, Massimiliano, Pareschi, Maria Teresa, Neri, Augusto, Isola, Ilaria

“…A stochastic model, named DOWNFLOW, is presented to forecast possible lava flow paths with the aim of hazard assessment and mitigation. The model relies on the…”
Get full text

Eruptions and Social Media: Communication and Public Outreach About Volcanoes and Volcanic Activity in Italy by Todesco, Micol, De Lucia, Maddalena, Bagnato, Emanuela, Behncke, Boris, Bonforte, Alessandro, De Astis, Gianfilippo, Giammanco, Salvatore, Grassa, Fausto, Neri, Marco, Scarlato, Piergiorgio, Neri, Augusto

“…Italy is the land of iconic volcanoes, whose activity has been witnessed, described and portrayed for centuries. This legacy has greatly contributed to shaping…”
Get full text

Multiparticle simulation of collapsing volcanic columns and pyroclastic flow by Neri, Augusto, Esposti Ongaro, Tomaso, Macedonio, Giovanni, Gidaspow, Dimitri

“…A multiparticle thermofluid dynamic model was developed to assess the effect of a range of particle size on the transient two‐dimensional behavior of…”
Get full text

4D simulation of explosive eruption dynamics at Vesuvius by Neri, Augusto, Esposti Ongaro, Tomaso, Menconi, Gianluca, De'Michieli Vitturi, Mattia, Cavazzoni, Carlo, Erbacci, Giovanni, Baxter, Peter J.

“…We applied a new simulation model, based on multiphase transport laws, to describe the 4D (3D spatial coordinates plus time) dynamics of explosive eruptions…”
Get full text

Numerical study of deaeration of aeratable particles by Benyahia, Sofiane, Neri, Augusto

“…This study investigates, through numerical multiphase flow simulations, the deaeration (or defluidization) of aeratable glass particles of about 80 μm diameter…”
Get full text

Eruption early warning at Vesuvius: The A.D. 1631 lesson by Bertagnini, Antonella, Cioni, Raffaello, Guidoboni, Emanuela, Rosi, Mauro, Neri, Augusto, Boschi, Enzo

“…Knowledge of past precursor patterns is crucial for the correct interpretation of monitoring data and reliable volcano forecasting. In the case of Vesuvius,…”
Get full text