Search - Archive ouverte HAL Access content directly

Filter your results

59 Results

A debris avalanche at Süphan stratovolcano (Turkey) and implications for hazard evaluation

Yavuz Özdemir , İsmail Akkaya , Vural Oyan , Karim Kelfoun
Bulletin of Volcanology, 2016, 78 (2), ⟨10.1007/s00445-016-1007-6⟩
Journal articles hal-01637527v1

Pyroclastic flow erosion and bulking processes: comparing field-based vs. modeling results at Tungurahua volcano, Ecuador

Julien Bernard , Karim Kelfoun , Jean-Luc Le Pennec , Silvia Vallejo Vargas
Bulletin of Volcanology, 2014, 76, pp.858. ⟨10.1007/s00445-014-0858-y⟩
Journal articles hal-01170138v1
Image document

Insights into the evolution of the Yenkahe resurgent dome (Siwi caldera, Tanna Island, Vanuatu) inferred from aerial high-resolution photogrammetry

Élodie Brothelande , Jean-François Lénat , A. Normier , C. Bacri , Aline Peltier , et al.
Journal of Volcanology and Geothermal Research, 2016, Understanding volcanoes in the Vanuatu arc, 322, pp.212--224. ⟨10.1016/j.jvolgeores.2015.07.001⟩
Journal articles hal-01448826v1
Image document

Simulation of block-and-ash flows and ash-cloud surges of the 2010 eruption of Merapi volcano with a two-layer model

Karim Kelfoun , Valentin Gueugneau , J. C. Komorowski , Nurnaning Aisyah , Noer Cholik , et al.
Journal of Geophysical Research : Solid Earth, 2017, 122 (6), pp.4277-4292. ⟨10.1002/2017JB013981⟩
Journal articles hal-03958497v1
Image document

VIGIA: A Thermal and Visible Imagery System to Track Volcanic Explosions

Freddy Vásconez , Yves Moussallam , Andrew J.L. Harris , Thierry Latchimy , Karim Kelfoun , et al.
Remote Sensing, 2022, 14 (14), pp.3355. ⟨10.3390/rs14143355⟩
Journal articles hal-03874851v1

New Methodology for Initial Volume Estimation of Martian Landslides from DTM and Imagery

A. Lucas , Anne Mangeney , D. Mège , K. Kelfoun
Martian Gullies: Theories and Tests, Workshop, Feb 2008, Houston, United States. pp.A-8023
Conference papers hal-00324330v1
Image document

MAC protocol for volcano monitoring using a wireless sensor network

Loïc Le Guennec , Nancy El Rachkidy , Alexandre Guitton , Michel Misson , Karim Kelfoun
Network of the Future (NoF), 2015, Montreal, Canada. pp.1 - 5, ⟨10.1109/NOF.2015.7333310⟩
Conference papers hal-01471667v1
Image document

Numerical modelling of the emplacement of the 7500 BP Socompa rock avalanche, Chile

Karim Kelfoun , T. H. H Druitt
Journal of Geophysical Research, 2005, 110 (B12), ⟨10.1029/2005JB003758⟩
Journal articles istex hal-01684837v1
Image document

VolcFlow capabilities and potential development for the simulation of lava

Karim Kelfoun , Silvia Vallejo Vargas
The Geological Society, London, Special Publications, 2016, 426 (1), pp.337-343. ⟨10.1144/SP426.8⟩
Journal articles hal-01684855v1
Image document

Combining numerical and experimental modelling to constrain the surge formation mechanism

Valentin Gueugneau , Karim Kelfoun
Cities On Volcanoes 10, Sep 2018, Naples, Italy
Poster communications hal-02077432v1

Three-dimensional textural analysis of products from the 1997 Vulcanian explosions of Soufrière Hills Volcano, using X-ray computed microtomography

Thomas Giachetti , Alain Burgisser , Laurent Arbaret , Timothy H. Druitt , Karim Kelfoun
EGU General Assembly, May 2010, Vienne, Austria
Conference papers insu-00839303v1
Image document

Landslide-generated tsunamis at Réunion Island

Karim Kelfoun , Thomas Giachetti , Philippe Labazuy
Journal of Geophysical Research : Solid Earth, 2010, 115 (F4), ⟨10.1029/2009JF001381⟩
Journal articles hal-01684840v1
Image document

Bridging Legends and Science: Field Evidence of a Large Tsunami that Affected the Kingdom of Tonga in the 15th Century

Franck Lavigne , Julie Morin , Patrick Wassmer , Olivier Weller , Taaniel Kula , et al.
Frontiers in Earth Science, 2021, ⟨10.3389/feart.2021.748755⟩
Journal articles hal-03465054v2
Image document

Dynamics and Impacts of the May 8th, 1902 Pyroclastic Current at Mount Pelée (Martinique): New Insights From Numerical Modeling

Valentin Gueugneau , Karim Kelfoun , Sylvain Charbonnier , Aurelie Germa , Guillaume Carazzo
Frontiers in Earth Science, 2020, 8, ⟨10.3389/feart.2020.00279⟩
Journal articles hal-03100350v1
Image document

Mesure de la croissance 3D du dôme de lave du Merapi par stéréophotogrammétrie

T Latchimy , Karim Kelfoun , - Bontemps
3ème école technologique du Réseaux des é lectroniciens du CNRS, Nov 2021, Saint-Malo, France
Poster communications hal-03585167v1
Image document

Explosive eruption, flank collapse and megatsunami at Tenerife ca. 170 ka

Raphael Paris , Juan J. Coello Bravo , María E. Martín González , Karim Kelfoun , François Nauret
Nature Communications, 2017, 8, pp.15246. ⟨10.1038/ncomms15246⟩
Journal articles hal-01636809v1

Investigation of surge-derived pyroclastic flow formation by numerical modelling of the 25 June 1997 dome collapse at Soufrière Hills Volcano, Montserrat

Valentin Gueugneau , Karim Kelfoun , Timothy H. Druitt
Bulletin of Volcanology, 2019, 81, ⟨10.1007/s00445-019-1284-y⟩
Journal articles insu-03708959v1
Image document

Geochemical insights into the internal dynamics of debris avalanches. A case study: The Socompa avalanche, Chile

Régis Doucelance , Karim Kelfoun , Philippe Labazuy , Chantal Bosq
Geochemistry, Geophysics, Geosystems, 2014, 15 (6), pp.2282-2300. ⟨10.1002/2014GC005235⟩
Journal articles istex hal-01133672v1
Image document

Suitability of simple rheological laws for the numerical simulation of dense pyroclastic flows and long-runout volcanic avalanches

Karim Kelfoun
Journal of Geophysical Research : Solid Earth, 2011, 116, pp.B08209. ⟨10.1029/2010JB007622⟩
Journal articles hal-00682509v1
Image document

A method for 3D reconstruction of volcanic bomb trajectories

Karim Kelfoun , Andrew Harris , Martial Bontemps , Philippe Labazuy , Frédéric Chausse , et al.
Bulletin of Volcanology, 2020, 82 (4), pp.34. ⟨10.1007/s00445-020-1372-z⟩
Journal articles hal-02517099v1
Image document

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
Image document

A unifying model for pyroclastic surge genesis and pyroclastic flow fluidization

Karim Kelfoun , Valentin Gueugneau
Geophysical Research Letters, 2022, ⟨10.1029/2021GL096517⟩
Journal articles hal-03584350v1

Toward a Revised Hazard Assessment at Merapi Volcano, Central Java

Jean-Claude Thouret , F. Lavigne , K. Kelfoun , S. Bronto
Journal of Volcanology and Geothermal Research, 2000, 100 (1-4), pp.479--502. ⟨10.1016/S0377-0273(00)00152-9⟩
Journal articles istex hal-02477304v1
Image document

Cascading Effects of Extreme Geohazards on Tenerife (Canary Islands)

Marta López‐saavedra , Joan Martí , Jose Luis Rubio , Karim Kelfoun
Journal of Geophysical Research : Solid Earth, 2021, 126 (9), ⟨10.1029/2021JB022294⟩
Journal articles hal-03524228v1
Image document

Post-eruptive flooding of Santorini caldera and implications for tsunami generation

P. Nomikou , T. H. Druitt , C. Hübscher , T. A. Mather , M. Paulatto , et al.
Nature Communications, 2016, 7, ⟨10.1038/ncomms13332⟩
Journal articles hal-01637444v1
Image document

Modeling tsunami propagation and the emplacement of thumbprint in an early Mars ocean

F. Costard , A. Séjourné , Karim Kelfoun , Stephen M. Clifford , F. Lavigne , et al.
Journal of Geophysical Research. Planets, 2017, 122 (3), pp.122(3):633-649 (IF 3,11). ⟨10.1002/2016JE005230⟩
Journal articles hal-01520508v1
Image document

Growth and collapse of the 2018–2019 lava dome of Merapi volcano

Karim Kelfoun , Agus Budi Santoso , Thierry Latchimy , Martial Bontemps , Ilham Nurdien , et al.
Bulletin of Volcanology, 2021, 83 (2), ⟨10.1007/s00445-020-01428-x⟩
Journal articles hal-03118291v1

Influence of landslide geometry on the dynamics of large debris-avalanches: a comparative study on Tenerife and Tahiti volcanic islands

T. Boulesteix , A. Hildenbrand , K. Kelfoun , V. Soler , P.Y. Gillot
EGU, Apr 2008, vienne, Austria
Conference papers hal-00408100v1

Influence of landslide geometry on the dynamics of large debris-avalanches: a comparative study on Tenerife and Tahiti volcanic islands

T. Boulesteix , A. Hildenbrand , K. Kelfoun , V. Soler , P.Y. Gillot
EGU, Apr 2008, vienne, Austria. pp.1607-7962
Conference papers hal-00407223v1
Image document

Quantitative textural analysis of Vulcanian pyroclasts (Montserrat) using multi-scale X-ray computed microtomography: comparison with results from 2D image analysis

Thomas Giachetti , Alain Burgisser , Laurent Arbaret , Timothy H. Druitt , Karim Kelfoun
Bulletin of Volcanology, 2011, 73 (9), pp.1295-1309. ⟨10.1007/s00445-011-0472-1⟩
Journal articles insu-00597327v1