Laboratoire d'Hydraulique Environnementale LHE

Les articles de Christophe Ancey sont également disponibles depuis sa page personnelle (à partir de 1996).

Articles scientifiques du LHE dans des revues internationales 2001-2025

2025

• P. Bohorquez, D. Vito Papa, and C. Ancey, ``Multi-train roll waves, antidunes and bars in inclined flumes,'' Earth-Science Reviews, in press.

2024

• R. Miazza, I. Pascal and C. Ancey, ``Automated grain sizing from UAV imagery of a gravel-bed river: benchmarking of three object-based methods,'' Earth Surface Processes and Landforms, 49, 1503-1514, 2024.

2023

• Z. Meng, J. Zhang, Y. Hu, and C. Ancey, ``Temporal prediction of landslide-generated waves using a theoretical-statistical combined method,'' Journal of Marine Science and Engineering, 11, 1151, 2023
• C. Ancey and A. Recking, Scaling behavior of bedload transport---What if Bagnold was right?. Earth-Science Reviews, 246, 104571, 2023 . Electronic Supplement
• M. Kiani and C. Ancey, ``Bed topography inference from velocity field using deep learning,'' Water, 15, 4055, 2023.

2022

• G. Rousseau and C. Ancey, An experimental investigation of turbulent free-surface flows over a steep permeable bed, Journal of Fluid Mechanics, 941, A51, 2022.
• M. Kyburz, J. Gaume, B. Sovilla, and C. Ancey, Physics-based estimates of drag coefficients for the impact pressure calculation of dense snow avalanches, Engineering Structures, 254, 113478, 2022.
• M. Kyburz, J. Gaume, B. Sovilla, and C. Ancey, The concept of the mobilized domain: how it can explain and predict the forces exerted by a cohesive granular avalanche on an obstacle, Granular Matter, 22, 45, 2022.

2021

• T. Trewhela and C. Ancey, A conveyor belt experimental setup to study the internal dynamics of granular avalanches, Experiments in Fluids 62, 207, 2021.
• I. Pascal, C. Ancey, P. Bohorquez, The variability of antidune morphodynamics on steep slopes, Earth Surface Processes and Landforms, 46, 1750-1765, 2021. doi.org/10.1002/esp.5110
• T. Trewhela, J.M.N.T. Gray and C. Ancey, An experimental scaling law for particle-size segregation in dense granular flows, Journal of Fluid Mechanics, 916, A55, 2021.
• T. Trewhela, J.M.N.T. Gray and C. Ancey, Large particle segregation in sheared dense granular flows, Physical Review Fluids, 6, 054302 (2021)

2020

• C. Ancey and I. Pascal, Estimating mean bedload transport rates and their uncertainties, Journal of Geophysical Research, 2020
• C. Ancey, Bedload transport: a walk between randomness and determinism. Part 1: State of the art, Journal of Hydraulic Research, 58, 1-17, 2020
• C. Ancey, Bedload transport: a walk between randomness and determinism. Part 2: Challenges and prospects, Journal of Hydraulic Research, 58, 18-33, 2020
• M. Kyburz, J. Gaume, B. Sovilla, and C. Ancey, Decoupling the role of inertia, friction and cohesion in dense granular avalanche pressure build-up on obstacles, Journal of Geophysical Research: Earth Surface, 2020.
• G. Rousseau and C. Ancey, Refractive index-matched scanning of turbulent flows over rough permeable beds, Experiments in Fluids

2019

• C. Ancey, E. Bardou, M. Funk, M. Huss, M.A. Werder et T. Trewhela, Hydraulic reconstruction of the 1818 Giétro glacial lake outburst flood, soumis à Water Resources Research. simulation 3D
• B. Dhont and C. Ancey, Effect of sediment feed rate on bedload pulses in a gravel-bed flume, soumis à Earth Surface Processes and Landforms
• C. Ancey, E. Bardou, et T. Trewhela, Reconstruction hydraulique de la débâcle glaciaire du Giétro de 1818, soumis à Annales Valaisannes (actes du colloque de juin 2018 au Châble)

2018

• B. Dhont and C. Ancey, Are Bedload Transport Pulses in Gravel-Bed Rivers Created by Bar Migration or Sediment Waves?, Geophysical Research Letters 45, 5501-5508 (2018)
• van der Vaart, K., M.P. van Schrojenstein Lantman, T. Weinhart, S. Luding, C. Ancey, and A.R. Thornton,Segregation of large particles in dense granular flows suggests a granular Saffman effect, Phys. Rev. Fluids 3, 074303.
• van der Vaart, K., A.R. Thornton, C.G. Johnson, T. Weinhart, T. Jing, P. Gajjar, J.M.N.T. Gray, and C. Ancey, Breaking size-segregation waves and mobility feedback in dense granular avalanches, Granular Matter 20, 46 2018.

2017

• C. Ancey and B. M. Bates,Stokes third problem for Herschel-Bulkley fluids, Journal of Non-Newtonian Fluid Mechanics 243 (2017) 27-37.
• Zitti, G., C. Ancey, M. Postacchini, and M. Brocchini, Snow avalanches striking water basins: behaviour of the avalanche's centre of mass and front, Natural Hazards 88 (2017) 1297-1323.
• B. M. Bates and C. Ancey, The dambreak problem for eroding viscoplastic fluids, Journal of Non-Newtonian Fluid Mechanics 243 (2017) 64-78.
• B. Dhont, G. Rousseau and C. Ancey, Continuous monitoring of bedload transport in a laboratory flume using an impact sensor, Journal of Hydraulic Engineering 143 (2017) 04017005.

2016

• J. Heyman, P. Bohórquez and C. Ancey, Entrainment, motion, and deposition of coarse particles transported by water over a sloping mobile bed, Journal of Geophysical Research: Earth Surface 121 (2016) 1931-1952
• Ancey, C., Snow Avalanches, in Natural Hazard Science, edited by S.L. Cutter, DOI:10.1093/acrefore/9780199389407.013.17, Oxford University Press, Oxford, 2016.
• G. Zitti, C. Ancey, M. Postachini, and M. Brocchini Impulse waves generated by snow avalanches: Momentum and energy transfer to the water body, Journal of Geophysical Research: Earth Surface 121 (2016) 2399-2423.
• P. Gajjar, K. van der Vaart, A. Thornton, C. Johnson, C. Ancey, et J.M.N.T. Gray Asymmetric breaking size-segregation waves in dense granular free-surface flow, dans Journal of Fluid Mechanics 794 (2016) 460-505
• P. Bohórquez and C. Ancey Particle diffusion in non-equilibrium bedload transport simulations, Applied Mathematical Modelling 40 (2016) 7474-7492.
• B. Bates, N. Andreini, C. Ancey Basal entrainment by Newtonian gravity-driven flows, Physics of Fluids 28 (2016) 053101.

2015

• J.M.N.T. Gray et C. Ancey Particle size and density segregation in granular free-surface flows, Journal of Fluid Mechanics 779, 622-668.
• C. Ancey, P. Bohórquez, and J. Heyman, Stochastic interpretation of the advection diffusion equation and its relevance to bed load transport, Journal of Geophysical Research: Earth Surface, 120, 2529-2551, 2015. Supplément électronique
• P. Bohórquez and C. Ancey Stochastic-deterministic modeling of bed load transport in shallow water flow over erodible slope: linear stability analysis and numerical simulation, Advances in Water Resources 83, 36–54.
• K. van der Vaart, P. Gajjar, G. Epely-Chauvin, N. Andreini, J.M.N.T. Gray, et C. Ancey An underlying asymmetry within particle-size segregation, Physical Review Letters, 114, 238001, 2015.
• Christophe Ancey et Vincent Bain, Dynamics of snow gliding and glide avalanches, Reviews of Geophysics 53, 745–784. ( supplément électronique). Article mis en lumière par Science Now et EOS.
• H.B. Ma, J. Heyman, X. Fu, F. Mettra, C. Ancey and G. Parker, Bedload transport over a broad range of time scales: determination of three regimes of fluctuations, Journal of Geophysical Research 119, 2653-2673, 2015.

2014

• Christophe Ancey, Patricio Bohorquez, et Eric Bardou, Sediment transport in mountain rivers, Ercoftac 100, 37-52.
• J. Heyman, F. Mettra, H.B. Ma, C. Ancey, Spatial correlations in bed load transport: Evidence, importance, and modeling, Journal of Geophysical Research: Earth Surface 119, 1751-1767, 2014.
• Christophe Ancey and Joris Heyman A microstructural approach to bed load transport: mean behaviour and fluctuations of particle transport rates, Journal of Fluid Mechanics 744, 129-168, 2014. Il y a malheureusement trois fautes de frappe qui ont échappé à notre attention. Voir l'erratum.
• Belinda Bates, Christophe Ancey, Jean Busson Visualization of the internal flow properties and the material exchange interface in an entraining viscous Newtonian gravity current, Environmental Fluid Mechanics. 14, 501-518, 2014.

2013

• Christophe Ancey, Nicolas Andreini, Gaël Épely-Chauvin, The dam-break problem for concentrated suspensions of neutrally buoyant particles, Journal of Fluid Mechanics 724, 95-122, 2013.
• J. Heyman, F. Mettra, H.B. Ma, C. Ancey, Statistics of bedload transport over steep slopes: Separation of time scales and collective motion, Geophysical Research Letters, 40, 128-133, 2013.
• Christophe Ancey, Nicolas Andreini, Gaël Épely-Chauvin, Granular suspension avalanches. I. Macro-viscous behavior, Physics of Fluids 25, 033301
• Nicolas Andreini, Christophe Ancey, and Gaël Épely-Chauvin , Granular suspension avalanches. II. Plastic behavior, Physics of Fluids 25, 033302
• K. van der Vaart, Yasser Rahmani, Rojman Zargar, Zhibing Hu, Daniel Bonn et al. Rheology of concentrated soft and hard-sphere suspensions, Journal of Rheology 57, 1195 (2013).

2012

• Nicolas Andreini, Gaël Épely-Chauvin, and Christophe Ancey Internal dynamics of Newtonian and viscoplastic fluid avalanches down a sloping bed, Physics of Fluids 24, 053101 (2012)
• Christophe Ancey Are extreme avalanches genuine outliers?, Eur. Phys. J. Special Topics 205, 117-129 (2012)
• C. Ancey, Nicolas Andreini, Gaël Épely-Chauvin, Viscoplastic dambreak waves: review of simple computational approaches and comparison with experiments Advances in Water Resources 48 (2012) 79–91

2011

• N. Gray & C. Ancey, Multi-component particle size segregation in shallow granular avalanches, Journal of Fluid Mechanics 678 (2011) 535–588.
• Sébastien Wiederseiner, Nicolas Andreini, Gaël Épely-Chauvin, Gaudenz Moser, Mathieu Monnereau, Nico Gray, and Christophe Ancey Experimental investigation into segregating granular flows down chutes, Physics of Fluids, 23, 013301.
• Sébastien Wiederseiner, Nicolas Andreini, Gaël Épely-Chauvin, and Christophe Ancey Refractive-index and density matching in concentrated particle suspensions: a review, Experiments in Fluids (2011) 50:1183–1206
• Bohorquez, P., Rentschler, M. (2011). Hydrodynamic Instabilities in Well-Balanced Finite Volume Schemes for Frictional Shallow Water Equations. The Kinematic Wave Case. Journal of Scientific Computing, 48(1-3), 3-15.

2010

• Virginie Hergault, Philippe Frey, François Métivier, Cécile Barat, Christophe Ducottet, Tobias Böhm and Christophe Ancey Refractive-index and density matching in concentrated particle suspensions: a review, Experiments in Fluids, 49, 1095-1107, 2010.
• C. Ancey, Stochastic modeling in sediment dynamics: Exner equation for planar bed incipient bed load transport conditions, Journal of Geophysical Research 115, F00A11, 2010.
• S. A. Padoan, M. Ribatet and S. A. Sisson Likelihood-Based Inference for Max-Stable Processes, in Journal of the American Statistical Association 105 263-277, 2010.
• Bohorquez, P., Competition between kinematic and dynamic waves in floods on steep slopes, Journal of Fluid Mechanics, 645, 375-409, 2010.

2009

• C. Ancey, Stochastic modelling in sediment dynamics: the Exner equation for planar-bed incipient-bedload-transport conditions, Journal of Geophysical Research.
• C. Ancey, S. Cochard & N. Andreini, The dam-break problem for viscous fluids in the high-capillary-number limit, Journal of Fluid Mechanics 624 (2009) 1-22.
• N. Gray & C. Ancey. Segregation, recirculation and deposition of coarse particles near two-dimensional avalanche fronts, Journal of Fluid Mechanics 629 (2009) 387–423.
• S. Cochard & C. Ancey, Experimental investigation of the spreading of viscoplastic fluids on inclined planes, Journal of Non-Newtonian Fluid Mechanics 158 (2009) 18-35.
• C. Ancey & S. Cochard, The dam-break problem for Herschel-Bulkley fluids down steep flumes, Journal of Non-Newtonian Fluid Mechanics 158 (2009) 73-84.
• J. Fang, A. Parriaux, M. Rentschler, C. Ancey Improved SPH methods for simulating free surface flows of viscous fluids, Applied Numerical Mathematics 59 (2009) 251–271.

2008

• C. Ancey et al., Determining the bulk rheological behavior of gravity-driven flow down a flume. Application to granular flows, rejeté par Journal of Non-Newtonian Fluid Mechanics.
• S. Cochard & C. Ancey, Tracking the free surface of time-dependent flows: Image processing for the dam-break problemExperiments in Fluids 44 (2008) 59-71.
• Ancey, C., A. Davison, T. Böhm, M. Jodeau, and P. Frey, Entrainment and motion of coarse particles in a shallow stream down a steep slope Journal of Fluid Mechanics595 (2007) 83-114.
• C. Ancey et al. "The dam-break problem for sloping beds", Water Resources Research 44 (2008) W01430.Additional material: Mathematica notebook.

2007

• B. Turnbull, J. McElwaine, C. Ancey, The Kulikovskiy--Sveshnikova--Beghin Model of Powder Snow Avalanches: Development and Application, Journal of Geophysical Research , 112, F01004, 2007.
• Ancey, C., S. Cochard, S. Wiederseiner, and M. Rentschler, Existence and features of similarity solutions for non-Boussinesq gravity currentsPhysica D
  226, 32-54, 2007.
• Ancey, C., "Plasticity and geophysical flows: A review", Journal of Non-Newtonian Fluid Mechanics, 2007 (142) 4-35.

2006

• Ancey, C., S. Cochard, S. Wiederseiner, and M. Rentschler , Front dynamics of supercritical non-Boussinesq gravity currents, Water Resources Research, 42, W08424, 2006.
• Ancey, C., T. Böhm, M. Jodeau, and P. Frey, Statistical description of sediment transport experiments, Physical Review E, 74, 011302, 2006.

2005

• Ancey, C. "Monte Carlo calibration of avalanches described as Coulomb fluid flows." Philosophical Transactions of the Royal Society of London, 363, 1529-1550, 2005.
• Ancey, C. "Solving the Couette inverse problem by using a wavelet-vaguelette decomposition." Journal of Rheology,49, 441-460, 2005. Electronic supplement and Mathematica package
• Remaître, A., J.-P. Malet, O. Maquaire, C. Ancey, and J. Locat, Flow behaviour and runout modelling of a complex debris flow in a clay-shale basin, Earth Surface Processes and Landforms, 30, 479-488, 2005.
• Blanckaert, K., and de Vriend, H. J. "Turbulence structure in sharp open-channel bends." Journal of Fluid Mechanics, 356, 27-48, 2005.
• Blanckaert, K., and H.J. de Vriend, Turbulence characteristics in sharp open-channel bends, Physics of Fluids, 17 (4), 055102, 2005.
• Blanckaert, K., Discussion on: Investigation on the suitability of two-dimensional depth-averaged models for bend-flow simulation, by Hsieh, T.Y. & Yang, J.C., Journal of Hydraulic Engineering, 131 (7), 625-628, 2005.
• Franca M.J. and Lemmin U., (2005). "Eliminating velocity aliasing in acoustic Doppler velocity profiler data". Measurements and Science Technology, Vol.17 (2006) pp. 313-322.
• Franca, M., and A.B. Almeida, Discussion of the paper "Modeling of washout of dams" from A. Rozov, Journal of Hydraulic Research, 43 (4), 439-444, 2005.

2004

• Ancey, C. (2004). "Powder-snow avalanches: approximation as non-Boussinesq clouds with a Richardson-number-dependent entrainment function." Journal of Geophysical Research, 109, F01005.
• Ancey, C., Gervasoni, C., and Meunier, M. (2004). "Computing extreme avalanches." Cold Regions Science and Technology,39, 161-180.
• Ancey, C., and Meunier, M. (2004). "Estimating bulk rheological properties of flowing snow avalanches from field data." Journal of Geophysical Research, 109, F01004.
• Blanckaert, K., and Lemmin, U. (2004). "Means of noise reduction in acoustic turbulence measurements." Journal of hydraulic Research - IAHR, (in press).
• Blanckaert, K., and de Vriend, H. J. (2004). "Secondary flow in sharp open-channel bends." Journal of Fluid Mechanics, 498.
• Blanckaert, K., and Graf, W. H. (2004). "Momentum transport in sharp open-channel bends." Journal of Hydraulic Engeering - ASCE, 130(3).
• Boehm, T., Ancey, C., Frey, P., Reboud, J.-L., and Duccotet, C. (2004). "Fluctuations of the solid discharge of gravity-driven particle flows in a turbulent stream." Physical Review E,69, 06 1307.
• Meunier, M., and Ancey, C. (2004). "Towards a conceptual approach to predetermining high-return-period avalanche run-out distances." Journal of Glaciology, 50, 268-278, 2004.
• Meunier, M., Ancey, C., and Taillandier, J.-M. (2004). "Fitting avalanche-dynamics models with documented with documented events from the Col du Lautaret site (France) using the conceptual approach." Cold Regions Science and Technology,39, 55-66.

2003

• Blanckaert, K., and de Vriend, H. J. (2003). "Non-linear modeling of mean flow redistribution in curved open channels." Water Resources Research - AGU, 39(12).
• Hurther, D., and Lemmin, U. (2003). "Turbulent particle flux and momentum statistics in suspension flow." Water Resources Research, 39(1139, doi: 10.1029/2001WR001113, ESG), 2.1-2.11.
• Kurniawan, A., Altinakar, M. S., and Graf, W. H. (2003). "Scour depth and flow pattern or eroding plane jets." International Journal of Sediment Research, 18.
• Ulmann, M., Wildi, W., and Lemmin, U. (2003). "Sediment distribution in a current dominated lake delta (Versoix delta, Lake Geneva, Switzerland)." Swiss Journal of Geosciences, Suppl. 1, 91-98.
• Umlauf, L., and Burchard, H. (2003). "A generic length-scale equation for geophysical turbulence models." Journal of Marine Research, 61, 235-265.
• Umlauf, L., Burchard, H., and Hutter, K. (2003). "Extending the k-omega turbulence model towards oceanic applications." Ocean Modelling, 5, 195-218.

2002

• Blanckaert, K. "Secondary currents measured in sharp open-channel bends." River Flow 2002, Louvain (B).
• Cellino, M., and Graf, W. H. (2002). "Suspension Flow in open Channels; experimental Study." Journal of Hydraulic Research - IAHR, 40(4).
• Fer, I., Lemmin, U., and Thorpe, S. A. (2002). "Contribution of entrainment and vertical plumes to the winter cascading of cold shelf waters in a deep lake." Limnol. Oceanogr., 47(576-580).
• Fer, I., Lemmin, U., and Thorpe, S. A. (2002). "Winter cascading of cold water in Lake Geneva." Journal of Geophysical Research, 107(C6), 13.1-13.16.
• Fer, I., Lemmin, U., and Thorpe, S. A. (2002). "Observations of mixing near the sides of a deep lake in winter." Limnol. Oceanogr., 47, 535-544.
• Istiarto, I., and Graf, W. H. (2002). "Flow Pattern in the Scour Hole around a Cylinder." Journal of hydraulic Research - IAHR, 40(1).
• Lorke, A., Umlauf, L., Jonas, T., and Wüst, A. (2002). "Dynamics of turbulence in low-speed oscillating bottom-boundary layers of stratified basins." Environmental Fluid Mechanics, 2, 291-313.
• Thorpe, S. A., and Umlauf, L. (2002). "Internal gravity wave frequencies and wave numbers from single point measurements over a slope." Journal of Marine Research, 60, 669-723.