Dimitri Lague

Directeur de recherche. Responsable DIMENV@risce. Responsable de la Plateforme Lidar Nantes-Rennes

Dimitri Lague

E-mail : 

Téléphone :  +31 223235653

Bureau :  208

  1. Adress
  2. Responsabilities
  3. Research topics
  4. Airborne topo-bathymetric lidar
  5. Recent Papers and news
  6. Recent Research Projects

Adress

Equipe DIMENV@risce
Géosciences Rennes
Bât.14B, Pièce 208, campus Beaulieu
Université de Rennes 1
35042 RENNES cedex

Research topics

  • Physics of erosion processes and sediment transport in mountain rivers.
  • Terrestrial and Airborne Laser Scanning applied to geomorphology
  • Topo-bathymetric airborne lidar for river monitoring
  • Impact of extreme events and on landscape dynamics (floods, earthquakes...)
  • Stochastic geomorphology
  • Biogeomorphological couplings in estuarine dynamics
  • Impact and signature of climate and tectonics in landscapes
  • Experimental and numerical modelling of landscape and channel evolution.

Airborne topo-bathymetric lidar

Recent Papers and news

(pdf available on request) Complete list of publication available on google scholar

  • Thomas Bernard has just started his Phd on "Multi-scale analysis of water and sediment fluxes in landscapes using high resolution LiDAR data and numerical modelling" (supervisors: D. Lague & P. Davy). A project funded by Brittany Region (50%), Topo-bathymetric Airborne LiDAR Platform (25%) and the Fractory (25%).
  • Following the completion of Ed Baynes's Marie-Curie Post-doc (now in New-Zealand as Post-Doc at Auckland University), here are a series of papers on knickpoint dynamics:
  • Baynes, E., Lague, D. and Kermarrec, J.-J., Supercritical river terraces generated by hydraulic and geomorphic interactions, Geology, 2018.

  • Baynes, E., Lague, D., Attal, M., Gangloff, A., Kirstein, L. and Dugmore, A., River self-organisation inhibits discharge control on waterfall migration, Scientific Reports, 2018
     
  • Claire Astrié has joined our team for a PhD supervised by Philippe Steer, myself and Philippe Davy. Her research topic : "Impact of fracturation on river incision processes and rates".
  • Following the completion of Thomas’s Croissant brillant PhD, a series of papers on the impact of landslide on river dynamics are coming out using the latest version of EROS developed by Philippe Davy. Here’s what you can do : (movie by Thomas Croissant. Reload the page if you want to restart)
    Landslide evacuation in bedrock valley and alluvial plain - © Dimitri Lague
  • Croissant, T., Lague, D., Steer, P. and Davy, P., Rapid post-seismic landslide evacuation boosted by dynamic channel width, Nature Geosciences, 2017.
  • CNRS/INSU news related to our Nature Geosciences paper on Landslide removal by rivers
  • Davy, P., T. Croissant, and D. Lague, A precipiton method to calculate river hydrodynamics, with applications to flood prediction, landscape evolution models, and braiding instabilities, J. Geophys. Res. Earth Surf., 2017.
  • Croissant, T., Lague, D., Davy, P., Davies, T., and Steer, P. A precipiton-based approach to model hydro-sedimentary hazards induced by large sediment supplies in alluvial fans. Earth Surf. Process. Landforms, 2017.
  • Elevation change and stability on a prograding delta, Wagner, W., Lague, D., Mohrig, D. Passalaqua, P., Shaw, J. and Moffett, K., Geophysical Research Letters, 2017
  • Extreme flood-driven fluvial bank erosion and sediment loads : direct process measurements using integrated Mobile Laser Scanning (MLS) and hydro-acoustic techniques, Leyland, J., Hackney, C., Darby, S., Parsons, D., Best, J., Nicholas, A., Aalto, R. and Lague, D., Earth Surface Processes and Landforms
  • Passalacqua, P., Belmont, P., Staley, D.M., Simley, J.D., Arrowsmith, J. R., Bode, C. A., Crosby, C., DeLong, S. B., Glenn, N., Kelly, S., Lague, D., Sangireddy, H., Schaffrath, K., Tarboton, D., Waskewicz, T., Wheaton, J., Analyzing high resolution topography for advancing the understanding of mass and energy transfer through landscapes : A review, Earth Science Reviews 2015
  • AGU 2014 invited talk : Lague, D., What’s the point of a raster ?:Advantages of 3D Point Cloud Processing over Raster Based Methods for Accurate Geomorphic Analysis of High Resolution Topography, 15-20 dec 2014.
  • qCANUPO and qM3C2 plugins for point cloud classification and comparison are now implemented in the Open Source software CloudCompare. Much faster and easier to use.
  • Lague, D., The stream power river incision model : evidence, theory and beyond, Earth Surface Processes and Landforms, State of Science paper, January, 2014.
  • Lague, D., Brodu, N. and Leroux, J., Accurate 3D comparison of complex topography with terrestrial laser scanner : application to the Rangitikei canyon (N-Z), 2013, ISPRS journal of Photogrammmetry and Remote Sensing (description and application of the M3C2 algorithm)
  • AGU 2012 invited talk : Lague, D., Brodu, and Leroux, J., Unlocking the scientific potential of complex 3D point cloud dataset : new classification and 3D point cloud comparison methods, 3-7 dec 2012.
  • Podcast (in French) of a seminar I gave at the Isterre Grenoble on : Floods, landslides and morphodynamics
  • Gordon Warwick Medal from the British Society for Geomorphology
  • Brodu, N. and Lague, D., 3D Terrestrial LiDAR data classification of complex natural scenes using a multi-scale dimensionality criterion : applications in geomorphology, ISPRS journal of Photogrammmetry and Remote Sensing, 2012.

Recent Research Projects

  • I'll contribute to Philippe Steer's ERC as senior staff: ERC FEASIBle
  • Projet INSU/SYSTER/EROFRACE (2018): rôle de la fracturation dans l'érosion (thèse C. Astrié)
  • ANR PICS (2018-2022): Prevision Immediate des Crues Soudaines (site web : http://pics.ifsttar.fr/)
  • Airborne Topo-Bathymetric lidar, funded by Regional Councils : Pays de la Loire, Brittanny, and FEDER european funds (2015)
  • CNRS/PEPS Terre-Mer : Modélisation numérique de l’impact de la végétation pionnière en Baie du Mt St Michel sur la sédimentation et comparaison avec données lidar terrestre, collab. Ifremer/dyneco, 2014
  • "SEDIQUAKE : hydrosedimentary hazards following an M8 earthquake on the Alpine Fault, New-Zealand", INSU/ALEAS, 2014.
  • "Biogeomorphological couplings in mega-tidal salt marshes", INSU/EC2CO/DRIL, 2012-2013
  • "EROSNZ - landslides, floods and erosion : new insights from event-based field measurements in the Southern Alps of New Zealand and stochastic 2D numerical modeling of long-term landscape evolution, funded by EEC MCIOF (2011-2012).