Search Results - "Gouhier, Mathieu"

Low efficiency of large volcanic eruptions in transporting very fine ash into the atmosphere by Gouhier, Mathieu, Eychenne, Julia, Azzaoui, Nourddine, Guillin, Arnaud, Deslandes, Mathieu, Poret, Matthieu, Costa, Antonio, Husson, Philippe

“…Volcanic ash clouds are common, often unpredictable, phenomena generated during explosive eruptions. Mainly composed of very fine ash particles, they can be…”
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New Insights Into the Relationship Between Mass Eruption Rate and Volcanic Column Height Based On the IVESPA Data Set by Aubry, Thomas J., Engwell, Samantha L., Bonadonna, Costanza, Mastin, Larry G., Carazzo, Guillaume, Eaton, Alexa R., Jessop, David E., Grainger, Roy G., Scollo, Simona, Taylor, Isabelle A., Jellinek, A. Mark, Schmidt, Anja, Biass, Sébastien, Gouhier, Mathieu

“…Rapid and simple estimation of the mass eruption rate (MER) from column height is essential for real‐time volcanic hazard management and reconstruction of past…”
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Evidences of Plug Pressurization Enhancing Magma Fragmentation During the September 2016 Basaltic Eruption at Piton de la Fournaise (La Réunion Island, France) by Simon Thivet, Lucia Gurioli, Andrea Di Muro, Allan Derrien, Valérie Ferrazzini, Mathieu Gouhier, Diego Coppola, Bo Galle, Santiago Arellano

“…Abstract In September 2016, Piton de la Fournaise volcano, well known for its effusive and Hawaiian fountaining activity, produced, at the end of the eruption,…”
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Mass estimations of ejecta from Strombolian explosions by inversion of Doppler radar measurements by Gouhier, Mathieu, Donnadieu, Franck

“…We present a new method for estimating particle loading parameters (mass, number, volume) of eruptive jets by inversion of echo power data measured using a…”
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Causes and consequences of bimodal grain-size distribution of tephra fall deposited during the August 2006 Tungurahua eruption (Ecuador) by Eychenne, Julia, Le Pennec, Jean-Luc, Troncoso, Liliana, Gouhier, Mathieu, Nedelec, Jean-Marie

“…The violent August 16–17, 2006 Tungurahua eruption in Ecuador witnessed the emplacement of numerous scoria flows and the deposition of a widespread tephra…”
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A Spectra Classification Methodology of Hyperspectral Infrared Images for Near Real-Time Estimation of the SO2 Emission Flux from Mount Etna with LARA Radiative Transfer Retrieval Model by Segonne, Charlotte, Huret, Nathalie, Payan, Sébastien, Gouhier, Mathieu, Catoire, Valéry

“…Fast and accurate quantification of gas fluxes emitted by volcanoes is essential for the risk mitigation of explosive eruption, and for the fundamental…”
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Author Correction: Low efficiency of large volcanic eruptions in transporting very fine ash into the atmosphere by Gouhier, Mathieu, Eychenne, Julia, Azzaoui, Nourddine, Guillin, Arnaud, Deslandes, Mathieu, Poret, Matthieu, Costa, Antonio, Husson, Philippe

“…A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper…”
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Operational Response to Volcanic Ash Risks Using HOTVOLC Satellite-Based System and MOCAGE-Accident Model at the Toulouse VAAC by Gouhier, Mathieu, Deslandes, Mathieu, Guéhenneux, Yannick, Hereil, Philippe, Cacault, Philippe, Josse, Béatrice

“…In 2010, the Eyjafjallajökull volcano erupted, generating an ash cloud causing unprecedented disruption of European airspace. Despite an exceptional situation,…”
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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…”
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The geometry of Strombolian explosions: insights from Doppler radar measurements by Gouhier, Mathieu, Donnadieu, Franck

“…Observations of Strombolian volcanic explosions were carried out at Etna's southeast crater on 2001 July 4 using a ground-based pulsed Doppler radar…”
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SO2 and tephra emissions during the December 22, 2018 Anak Krakatau eruption by Gouhier, Mathieu, Paris, Raphaël

“…On December 22, 2018 the south-western flank of Anak Krakatau collapsed into the sea, removing 93.8 × 106 m3 of subaerial lavas, and generated a tsunami…”
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Systematic retrieval of ejecta velocities and gas fluxes at Etna volcano using L-Band Doppler radar by Gouhier, Mathieu, Donnadieu, Franck

“…Strombolian-type volcanic activity is characterized by a series of gas bubbles bursting at the top of a magma column and leading to the ejection of lava clots…”
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Particle Sedimentation in Numerical Modelling: A Case Study from the Puyehue-Cordón Caulle 2011 Eruption with the PLUME-MoM/HYSPLIT Models by Tadini, Alessandro, Gouhier, Mathieu, Donnadieu, Franck, de’ Michieli Vitturi, Mattia, Pardini, Federica

“…Numerical modelling of tephra fallout is a fast-developing research area in volcanology. Several models are currently available both to forecast the dispersion…”
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The Effect of Using a New Parameterization of Nucleation in the WRF-Chem Model on New Particle Formation in a Passive Volcanic Plume by Arghavani, Somayeh, Rose, Clémence, Banson, Sandra, Lupascu, Aurelia, Gouhier, Mathieu, Sellegri, Karine, Planche, Céline

“…We investigated the role of the passive volcanic plume of Mount Etna (Italy) in the formation of new particles in the size range of 2.5–10 nm through the…”
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Volcanic crisis management supported by near real-time lava flow hazard assessment at Piton de la Fournaise, La Réunion by Chevrel, Magdalena Oryaëlle, Harris, Andrew, Peltier, Aline, Villeneuve, Nicolas, Coppola, Diego, Gouhier, Mathieu, Drenne, Stéphane

“…Since 1979, Piton de la Fournaise (La Réunion) has erupted on average two times per year, with 95 % of these eruptions occurring within an uninhabited caldera…”
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CNES-ESA satellite contribution to the operational monitoring of volcanic activity: The 2021 Icelandic eruption of Mt. Fagradalsfjall by Gouhier, Mathieu, Pinel, Virginie, Belart, Joaquín M. C., De Michele, Marcello, Proy, Catherine, Tinel, Claire, Berthier, Etienne, Guéhenneux, Yannick, Gudmundsson, Magnus Tumi, Óskarsson, Birgir V., Gremion, Shan, Raucoules, Daniel, Valade, Sébastien, Massimetti, Francesco, Oddsson, Bjorn

“…Within the framework of the CIEST 2 (Cellule d'Intervention d'Expertise Scientifique et Technique new generation) and thanks to the support of CNES, the French…”
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Elevated gas flux and trace metal degassing from the 2014–2015 fissure eruption at the Bárðarbunga volcanic system, Iceland by Gauthier, Pierre‐Jean, Sigmarsson, Olgeir, Gouhier, Mathieu, Haddadi, Baptiste, Moune, Séverine

“…The 2014 Bárðarbunga rifting event in Iceland resulted in a 6‐month long eruption at Holuhraun. This eruption was characterized by high lava discharge rate and…”
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HOTVOLC: the official French satellite-based service for operational monitoring and early warning of volcanic ash plumes by Guéhenneux, Yannick, Gouhier, Mathieu

“…Early detection of volcanic ash clouds is crucial to aviation safety and airspace surveillance. With the increase in air traffic and the frequency of volcanic…”
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Observation of SO 2 degassing at Stromboli volcano using a hyperspectral thermal infrared imager by Smekens, Jean-François, Gouhier, Mathieu

“…Thermal infrared (TIR) imaging is a common tool for the monitoring of volcanic activity. Broadband cameras with increasing sampling frequency give great…”
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SO2 and tephra emissions during the December 22, 2018 Anak Krakatau flank-collapse eruption by Gouhier, Mathieu, Paris, Raphael

“…On December 22, 2018 the south-western flank of Anak Krakatau collapsed into the sea, removing 93.8×106m3of subaerial lavas, and generated a tsunami…”
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