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Low efficiency of large volcanic eruptions in transporting very fine ash into the atmosphere

Mathieu Gouhier , Julia Eychenne , Nourddine Azzaoui , Arnaud Guillin , Mathieu Deslandes et al.
Scientific Reports, 2019, 9 (1), ⟨10.1038/s41598-019-38595-7⟩
Journal articles hal-02043523v1
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Long-runout pyroclastic density currents: Analysis and implications

Olivier Roche , Christopher Henry , Nourddine Azzaoui , Arnaud Guillin
Geology, 2022, 50 (10), pp.1172-1176. ⟨10.1130/G50215.1⟩
Journal articles hal-03792847v1
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Eruption type probability and eruption source parameters at Cotopaxi and Guagua Pichincha volcanoes (Ecuador) with uncertainty quantification

Alessandro Tadini , Olivier Roche , Pablo Samaniego , Nourddine Azzaoui , Andrea Bevilacqua et al.
Bulletin of Volcanology, 2021, 83 (5), ⟨10.1007/s00445-021-01458-z⟩
Journal articles hal-03208239v1

Corrigendum to "Discharge rate of explosive volcanic eruption controls runout distance of pyroclastic density currents" [Earth Planet. Sci. Lett. 568 (2021) 117017]

Olivier Roche , Nourddine Azzaoui , Arnaud Guillin
Earth and Planetary Science Letters, 2021, 571, ⟨10.1016/j.epsl.2021.117114⟩
Journal articles insu-03708920v1
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Experimental Measurement of the Solid Particle Concentration in Geophysical Turbulent Gas-Particle Mixtures

A. Weit , Olivier Roche , Thierry Dubois , M. Manga
Journal of Geophysical Research, 2018, 123 (5), pp.3747 - 3761. ⟨10.1029/2018JB015530⟩
Journal articles hal-01914237v1
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Pressure-dependent threshold in a granular flow: Numerical modeling and experimental validation

L. Chupin , T. Dubois , M. Phan , Olivier Roche
Journal of Non-Newtonian Fluid Mechanics, 2021, 291, pp.104529. ⟨10.1016/j.jnnfm.2021.104529⟩
Journal articles hal-03254021v1
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Effects of pore pressure in pyroclastic flows : numerical simulation and experimental validation

V. Gueugneau , K. Kelfoun , Olivier Roche , L. Chupin
Geophysical Research Letters, 2017, 44 (5), pp.2194-2202. ⟨10.1002/2017GL072591⟩
Journal articles hal-01625001v1
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Author Correction: Low efficiency of large volcanic eruptions in transporting very fine ash into the atmosphere

Mathieu Gouhier , Julia Eychenne , Nourddine Azzaoui , Arnaud Guillin , Mathieu Deslandes et al.
Scientific Reports, 2019, 9, 289, p. 75-89. ⟨10.1038/s41598-019-42489-z⟩
Journal articles insu-03708954v1
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Discharge rate of explosive volcanic eruption controls runout distance of pyroclastic density currents

Olivier Roche , Nourddine Azzaoui , Arnaud Guillin
Earth and Planetary Science Letters, 2021, 568, pp.117017. ⟨10.1016/j.epsl.2021.117017⟩
Journal articles hal-03254073v1
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Tephra Fallout Probabilistic Hazard Maps for Cotopaxi and Guagua Pichincha Volcanoes (Ecuador) With Uncertainty Quantification

Alessandro Tadini , N. Azzaoui , Olivier Roche , P. Samaniego , B. Bernard et al.
Journal of Geophysical Research : Solid Earth, 2022, 127 (2), ⟨10.1029/2021JB022780⟩
Journal articles hal-03603654v1
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Maximum Solid Phase Concentration in Geophysical Turbulent Gas‐Particle Flows: Insights From Laboratory Experiments

A. Weit , Olivier Roche , T. Dubois , M. Manga
Geophysical Research Letters, 2019, 46 (12), pp.6388-6396. ⟨10.1029/2019GL082658⟩
Journal articles hal-02277038v1
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Pressure-dependent threshold in a granular flow: numerical modelling and experimental validation

Laurent Chupin , Thierry Dubois , Minh Phan , Olivier Roche
Journal of Non-Newtonian Fluid Mechanics, 2021, ⟨10.1016/j.jnnfm.2021.104529⟩
Journal articles hal-02562000v2
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The influence of gas pore pressure in dense granular flows: numerical simulations versus experiments and implications for pyroclastic density currents

Alvaro Aravena , Laurent Chupin , Thierry Dubois , Olivier Roche
Bulletin of Volcanology, 2021, 83 (11), ⟨10.1007/s00445-021-01507-7⟩
Journal articles hal-03408294v1
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Sheared sheet intrusions as mechanism for lateral flank displacement on basaltic volcanoes: Applications to Réunion Island volcanoes

Valérie Cayol , Thibault Catry , Laurent Michon , Marie Chaput , Vincent Famin et al.
Journal of Geophysical Research, 2014, 119 (10), pp.7607-7635. ⟨10.1002/2014JB011139⟩
Journal articles hal-01133675v1

An analysis of the relationship between mass eruption rate and runout distance of pyroclastic density currents

Olivier Roche , N. Azzaoui , Arnaud Guillin
Joint JpGU-AGU meeting, Jul 2020, Chiba, Japan
Conference papers hal-03003795v1

Sedimentary responses to the Pleistocene climatic variations recorded in the South China Sea

S. Boulay , Christophe Colin , A. Trentesaux , Stéphane Clain , Z. F. Liu et al.
Quaternary Research, 2007, 68 (1), pp.162-172. ⟨10.1016/j.yqres.2007.03.004⟩
Journal articles istex hal-00404671v1
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Quantifying the Uncertainty of a Coupled Plume and Tephra Dispersal Model: PLUME‐MOM/HYSPLIT Simulations Applied to Andean Volcanoes

M. Alessandro Tadini , Olivier Roche , P. Samaniego , A. Guillin , N. Azzaoui et al.
Journal of Geophysical Research : Solid Earth, 2020, 125 (2), ⟨10.1029/2019JB018390⟩
Journal articles hal-02453781v1