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Pascale Biron, PhD

Professor, Geography, Planning and Environment

Pascale Biron, PhD
Office: S-H 1255-19 
Henry F. Hall Building,
1455 De Maisonneuve Blvd. W.
Phone: (514) 848-2424 ext. 2061

Dr. Biron has studied at the Université de Montréal and at Leeds University during her doctoral research on fluvial geomorphology. She has joined Concordia in 1998. Her research involves river dynamics, stream restoration for fish habitat, sustainable management of agricultural streams, climate change impacts on rivers, three-dimensional computational fluid dynamics and river management. Dr. Biron works in collaboration with researchers in Biology and Earth Science departments.

Professional affiliations

Canadian Geomorphology Research Group
Canadian Association of Geographers
American Geophysical Union
Member of CIRSA (Centre Interuniversitaire de Recherche sur le Saumon Atlantique)
Member of GRIL (Groupe de Recherche Interuniversitare en Limnologie et en environnement aquatique)

Research activities


River dynamics and fish habitat in perturbed environments
River corridors: a sustainable river management approach in the context of climate change
Numerical modelling of river dynamics
Impacts of bank stabilization on fish habitat

Selected publications

Refereed contributions (last 5 years)

  1. Foote, K., Biron, P.M., Grant, J.W.A. (2020) Impact of in-stream restoration structures on salmonid abundance and biomass: an updated meta-analysis. Canadian Journal of Fisheries and Aquatic Sciences, 77, 1574-1591.
  2. Mazgareanu, I, Biron, P.M., Buffin-Bélanger, T (2020) A fuzzy GIS model to determine confluence morphological sensitivity to tributary inputs at the watershed scale Geomorphology In press.
  3. Massé, S, Demers, S, Buffin-Bélanger, T, Biron, P.M., Choné, G, Massey W. (2020) Development of a mapping approach encompassing most fluvial processes: Lessons learned from the freedom space for rivers concept in Quebec (Canada). River Research and Applications, 36, 947-959.
  4. Biron, P.M., Buffin-Bélanger, T., Martel, N. (2019) Three-dimensional turbulent structures at a medium-sized confluence with and without an ice cover Earth Surface Processes and Landforms, 44, 3042-3056.
  5. Bulat, M., Biron, P.M., Lacey, R.W.J., Botrel, M., Hudon, C., Maranger, R. (2019) A 3D numerical model investigation of the impact of submerged macrophytes on flow dynamics in a large fluvial lake. Freshwater Biology, 64,1627-1642.
  6. Poulin, M, Evette, A, Tisserant, M, Keita, N, Breton, V, Biron, P., Raymond, P., Charbonneau, G., Falardeau, I. (2019) Le génie végétal pour la protection des berges de cours d'eau au Québec: état des lieux et perspectives pours les Basses-terres du Saint-Laurent. Sciences Eaux & Territoires. Article hors-série No 57, 7 p. (
  7. Hurson, M, Biron, P.M. (2019) Quantifying hydrodynamic changes associated with bioengineered stabilization measures using numerical modelling. Ecological Engineering. 136, 118-124.
  8. Baril, A.-M, Biron, P.M., Grant, J.W.A. (2019) An assessment of an unsuccessful restoration project for lake sturgeon using 3D numerical modelling. North American Journal of Fisheries Management. 39(1), 69-81.
  9. Massé, S., Buffin-Bélanger, T., Biron, P.M., Ruiz, J. (2018) La portée et les limites des approches perspectives pour la gestion intégrée des inondations. Revue des Sciences de l'Eau, 31, 4, 341-362.
  10. Biron, P.M., Buffin-Bélanger, T., Martel, N. (2018) Mixing processes at an ice-covered river confluence. River Flow 2018, International Conference on Fluvial Hydraulics, Lyon, France,
  11. Choné, G., Biron, P.M., Buffin-Bélanger, T. (2018) Flood hazard mapping techniques with LiDAR in the absence of bathymetry data. River Flow 2018, International Conference on Fluvial Hydraulics, Lyon, France,
  12. Biron, P.M., Buffin-Bélanger, T., Massé, S. (2018) The need for river management and stream restoration practices to integrate hydrogeomorphology. The Canadian Geographer, 62, 2, 288-295.
  13. Baril, A.-M., Buszkiewicz, J.T., Biron, P.M., Phelps, Q.E. and Grant, J.W.A. (2018) Lake sturgeon (Acipenser fulvescens) spawning habitat: A quantitative review. Canadian Journal of Fisheries and Aquatic Sciences. 75, 925-933.
  14. Rousseau, Y.Y., Biron, P.M., Van de Wiel, M.J. (2018) Comparing the sensitivity of bank retreat to changes in biophysical conditions between two contrasting river reaches using a coupled morphodynamic model. Water, 10, 4, 518.
  15. Rousseau, Y.Y., Van De Wiel, M., Biron, P.M. (2017) Simulating bank erosion over an extended natural sinuous river reach using a universal slope stability algorithm coupled with a morphodynamic model. Geomorphology. 295, 690-704.
  16. Massey, W., Biron, P.M., Choné, G. (2017) Impacts of river bank stabilization using riprap on fish habitat in two contrasting environments. Earth Surface Processes and Landforms, 42, 635-646.
  17. Paradis, A., Biron, P.M. (2017) Integrating hydrogeomorphological concepts in management approaches of lowland agricultural streams: Perspectives, problems and prospects based on case studies in Quebec. Canadian Water Resources Journal, 42, 1, 54-69.
  18. Rousseau., Y. Y., Biron, P.M. and Van De Wiel, M.J. (2016) Sensitivity of simulated flow fields and bathymetries in meandering channels to the choice of a morphodynamic model. Earth Surface Processes and Landforms, 41, 9, 1169-1184.
  19. Larocque, M., Biron, P.M., Buffin-Bélanger, T., Needelman, M., Cloutier, C.-A., McKenzie, J. (2016) Role of the geomorphic setting in controlling groundwater-surface water exchanges in riverine wetlands - a case study from two southern Québec rivers (Canada). Canadian Water Resources Journal, 41, 4, 528-542.
  20. Choné, G. and Biron, P.M. (2016) Assessing the relationship between river mobility and habitat. River Research and Applications. 32, 528-539.
  21. Buffin-Bélanger, T., Biron, P.M., Larocque, M., Demers, S., Olsen, T. Choné, G., Ouellet, M.-A.,Cloutier, C.-A., Desjarlais, C., Eyquem, J. (2015) Freedom space for rivers: and economically viable river management concept in a changing climate. Geomorphology, 251, 137-148.
  22. Biron, P.M., Buffin-Bélanger, T., Larocque, M., Choné, G., Cloutier, C.-A., Ouellet, M.-A., Demers, S., Olsen, T., Desjarlais, C. and Eyquem, J. (2014) Freedom space for rivers: a sustainable management approach to enhance river resilience. Environmental Management, 54, 5, 1056-1073.
  23. Rousseau, Y.Y., Van De Wiel, M. and Biron, P.M. (2014) Implementation of geotechnical and vegetation modules in TELEMAC to simulate the dynamics of vegetated alluvial floodplains. In: Bertrand, O. and Coulet, C. (eds) Proceedings of the 21st Telemac-Mascaret User Conference, Grenoble, France, ARTELIA Eau & Environnement, 169-177.
  24. Rousseau, Y.Y., Van De Wiel, M.J. and Biron, P.M. (2014) Integration of a geotechnical model within a morphodynamic model to investigate river meandering processes. River Flow 2014 International Conference on Fluvial Hydraulics, Schleiss, A.J., De Cesare, G., Franca, J.J. and Pfister, M. (Eds), CRC Press, 1127-1133
  25. Demers, S., Olsen, T., Buffin-Bélanger, T., Marchand, J.-P., Biron, P.M. and Morneau. F. (2014) L'hydrogéomorphologie appliquée à la gestion de l'aléa d'inondation en climat tempéré froid : l'exemple de la rivière Matane (Québec). Physio-Géo, 8, 67-88.

Non-refereed reports and papers

Biron, P.M., Thomas, I. (2019) Mieux vivre avec l'eau, pour être plus résilient face aux inondations. La Conversation, August,  

Biron, P.M. (2019) Qui est en charge de la gestion des inondations au Québec? Options Politiques, August,

Biron,P.M. (2017) La restauration de l’habitat du poisson en rivière : une recension des écrits. Rapport scientifique présenté à la Fondation de la Faune du Québec, 70 pp.

Teaching activities

GEOG 375 Hydrology
GEOG 377 Landform Evolution
GEOG 463 Advanced GIS
HENV 655 Environmental Modelling

Graduate Student Supervision (last 5 years)

  1. Needelman, M., M.Sc. Assessing the contribution of groundwater flow linked to wetlands in river corridors. Started: 2011, Completed 2014 (Co-supervisor: Dr. Marie Larocque, Dept of Earth and Atmosphere Science, UQAM)
  2. Paradis, A., M.Sc. Assessing the use of alternative methods for artificial drainage in agricultural watersheds to provide more freedom space for rivers. Started: 2013. Completed 2015.
  3. Massey, W., M.Sc. Impact of bank stabilization on fish habitat. Started: 2013. Completed 2017.
  4. Baril, A.-M., M.Sc. An assessment of a stream restoration project for yellow sturgeon in the Ouareau River, Quebec. Started 2014. Completed 2017 (Co-supervisor: Dr. J. Grant, Dept. of Biology, Concordia University)
  5. Rousseau, Y., Ph.D. A novel, generic approach to simulate bank retreat in alluvial river channels. Started: 2010. Completed 2018 (Co-supervisor: Dr. M. Van De Wiel)
  6. Volmar, E., M.Sc. An assessment of agricultural stream designs used in maintenance operations in Quebec. Started: 2014. In progress (Co-supervisor: Dr. S. Gaskin, Dept. of Civil Engineering, McGill University)
  7. Martel, N., M.Sc. Effet de la morphologie du chenal et de la structure de l’écoulement sur la mise en place et l’évolution d’un couvert de glace à une confluence. Started 2014. Completed 2018 (Co-supervisor: Dr. T. Buffin-Bélanger, Dept de biologie, chimie et géographie, UQAR)
  8. Massé, S., Ph.D. Le rôle de l'intégration des connaissances scientifiques dans la prise de décision quant à la gestion des cours par l’approche d’espace de liberté. Started 2014. In progress (Co-supervisors: Dr. T. Buffin-Bélanger, Dept de biologie, chimie et géographie, UQAR and Dr. J. Ruiz, Sciences de l'environnement, UQTR)
  9. Botrel, M., Ph.D. Rôle de la dynamique des courants dans la capacité de rétention et de transformation du phosphore et de l'azote dans les herbiers aquatiques. (co-supervisors: Dr. R. Maranger, Dept de biologie, Université de Montréal and Dr. C. Hudon, Environment Canada). Started 2015. In progress.
  10. Bulat, M., M.Sc, Three-dimensional hydrodynamic modelling of the impact of macrophytes in Lake St-Pierre. Started 2016. Completed 2018. (co-supervisor: Dr. J. Lacey, Université de Sherbrooke)
  11. Marchand, J.-P., Ph.D. Restoration of riparian wetlands in highly degraded agricultural environments. Started: 2017. In progress. (co-supervisor: Dr. T. Buffin-Bélanger, UQAR)
  12. Hugue, F. Post-doctoral fellow. Development of semi-automated tool to determine freedom space of rivers. Started: 2017. Completed 2018.
  13. Mazgareanu, I., M.Sc. Impact of tributaries on channel mobility downstream of confluences. Started: 2017. Completed 2019. (co-supervisor: Dr. T. Buffin-Bélanger, UQAR)
  14. Foote, K., Ph.D. Hydrogeomorphology and fish habitat restoration. Started: 2018. In progress. (co-supervisor: Dr. J. Grant, Biology, Concordia University)
  15. Stampfli, N., PhD. Hydrogeomorphological approaches for agricultural stream restoration. Started: 2019. In progress

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