John W. Molson, ing., professeur titulaire
Pavillon Adrien-Pouliot, local 4709
T. 418 656-5713
F. 418 656-7339
Champs d'intérêts
  • Hydrogéologie & eaux souterraines
  • Développement et application des modèles numériques et analytiques
  • Transport réactif des contaminants
  • Transport de chaleur dans les eaux souterraines, en milieux poreux et fissurés
  • Dissolution et biodégradation des hydrocarbures
  • Simulation des méthodes de restauration des aquifères contaminés


Cours - Automne

GGL-2609 Hydrogéologie Environnementale
GLG-7203 Hydrogéologie des Contaminants


Cours - Hiver

GLG-7202 Modélisation en Hydrogéologie
GLG-2600-7201 Hydrogéologie Avancée
GLG-7501 Hydrogéochimie


1.    Pehme, P., Parker, B.L., Cherry, J.A., Molson, J.W. and J.P. Greenhouse, Enhanced detection of hydraulically active fractures by temperature profiling in lined heated bedrock boreholes, Accepted Jan. 2013, in press: J. of Hydrology, 2013.

2.    Assima, G.P., Larachi, F., Beaudoin, G., Molson, J., Dynamics of carbon dioxide uptake in chrysotile mining residues - Effect of mineralogy and liquid saturation, Int. J. Greenhouse Gas Control,,2013.

3.    Molson, J., Aubertin, A., Bussière, B., Reactive transport modelling of acid mine drainage within discretely fractured porous media: Plume evolution from a surface source zone, Environmental Modelling & Software,, 2012.

4.    Doyon, B., Molson, J.W., Groundwater age in fractured porous media:  Analytical solution for parallel fractures, Adv. Water Resour.,, 2012.

5.    Vaezihir, A., Zare, M., Raeisi, E., Molson, J., Barker, J., Field scale modeling of BTEX released from multiple source zones, Bioremediation Jour.,, 2012.

6.    Palla Assima, G., Larachi, F., Beaudoin, G., Molson, J., CO2 sequestration in chrysotile mining residues - Implication of watering and passivation under environmental conditions, Industrial and Engineering Chemistry Research, 51, 8726?8734,, 2012.

7.    Pronost, J., Beaudoin, G., Lemieux, J-M., Hébert, J.R., Constantin, M., Marcouiller, S., Klein, M., Duchesne, J., Molson, J.W., Larachi, F., Maldague, X., CO2-depleted warm air venting from chrysotile milling waste (Thetford Mines, Québec, Canada): Evidence for in-situ carbon sequestration, Geology,, 2012.

8.     Fala, O., Molson, J.W., Aubertin, M., Dawood, I., Bussière, B., Chapuis, R.P., A numerical modelling approach to assess long term unsaturated flow and geochemical transport in a waste rock pile, International Jour. of Mining, Reclamation and Environment, doi:10.1080/17480930.2011.644473, 2012.

9.    Molson, J.W., E.O. Frind, On the use of mean groundwater age, life expectancy and capture probability for defining aquifer vulnerability and time-of-travel zones for source water protection, J. Contaminant  Hydrology, Vol. 127, p76–87, doi:10.1016/j.jconhyd.2011.06.001, 2012.

10.  Freitas, J.G., Doulatyari, B., Molson, J.W., and Barker, J.F., Oxygenated gasoline release in the unsaturated zone Part 2: Downgradient transport of ethanol and hydrocarbons, Journal of Contaminant Hydrology, doi:10.1016/j.jconhyd.2011.05.002, 2011.

11.  Cochand, M., J. Molson, J-M. Lemieux, Groundwater hydrogeochemistry in permafrost regions: A review, Accepted Jan 21, 2019 (in press), Permafrost and Periglacial Processes, 2019.

12.  Jamin, P., M. Cochand, S. Dagenais, R. Fortier, J. Molson, S. Brouyère and J-M. Lemieux, Direct measurement of groundwater flux below discontinuous permafrost: an application of the finite volume point dilution method in Umiujaq, Nunavik, Canada, Accepted Dec 20, 2018 (in press), Hydrogeology J., 2019.

13.  Ben Ali, H.E., Neculita, C.M., Molson, J.W., Maqsoud, A., and Zagury G.J., Efficiency of batch biochemical reactors for mine drainage treatment at low temperature and high salinity, Applied Geochemistry,, 2019.

14.  Ben Ali, H.E., Neculita, C.M., Molson, J.W., Janin, A., Maqsoud, A., and Zagury G.J., Performance of passive systems for mine drainage treatment at low temperature and high salinity: A review, Accepted Feb 3, 2019 (in press): Minerals Engineering, 2019.

15.  Domingue, C., J-M. Lemieux, M. Grenon, R. Therrien, J. Molson, P.-L. Lajoie and D. Blessent, Numerical evaluation of grouting scenarios for reducing water inflows in underground excavations – Goldcorp’s Éléonore mine study case, Mine Water and the Environment,, 2019.

16.  Shojae-Ghias, M., Therrien, R., Molson J., & Lemieux, J-M., Numerical simulations of shallow groundwater flow and heat transport in a continuous permafrost setting under the impact of climate warming, Canadian Geotechnical Journal,, 2019.

17.  Nowamooz, A., Dupuis, C., Beaudoin, G., Molson, J.W., Lemieux, J-M., Horswill, M., Fortier, R., Larachi, F., Maldague, X.,  Constantin, M., Duchesne, J., and Therrien, R., Atmospheric carbon dioxide sequestration by carbon mineralization in an industrial-scale chrysotile mining waste pile, Environmental Sci. & Tech., 52 (14), 8050-8057,, 2018.

18. Pabst, T., Bussière, B., Aubertin, M., and Molson, J., Comparative performance of cover systems to prevent acid mine drainage from pre-oxidized tailings: A numerical hydro-geochemical assessment, Jour. Contam. Hydrology, (214) 39–53,, 2018.

19.  Molson, J., Groundwater/Grundwasser/Eaux souterraines: Nothing is lost in translation, Editorial, Grundwasser, Elsevier,, 2018.

20.  Maghsoudy, S., Doulati Ardejani, F., Molson, J., Amini, M., Ebrahimi, L., Application of geo-electrical tomography in coupled hydro-mechanical-chemical (HMC) investigations in heap leaching: Mine Water and Environment,, 2018.

21.  Grenier, C., H. Anbergen, V. Bense, Q. Chanzy, E. Coon, N. Collier, F. Costard, M. Ferry, A. Frampton, J. Frederick, J. Holmen, A. Jost, S. Kokh, B. Kurylyk, J. McKenzie, J. Molson, E. Mouche, L. Orgogozo, R. Pannetier, A. Rivière, N. Roux, W. Rühaak, J. Scheidegger, J.-O. Selroos, R. Therrien, P. Vidstrand, C. Voss, Groundwater flow and heat transport for systems undergoing freeze-thaw: Intercomparison of numerical simulators for 2D test cases, Advances in Water Resources, vol. 114, p196–218,, 2018.

21.  Janos, D., Molson, J., Lefebvre, R., Regional groundwater flow dynamics and residence times in Chaudière-Appalaches, Québec, Canada: Insights from numerical simulations, Canadian Water Resources Journal, Special Issue : Quebec PACES Projects,, 2018.

22.  Frind, E.O., & Molson, J., Issues and options in the delineation of well capture zones under uncertainty, Groundwater, (Issue paper), doi:10.1111/gwat.12644, 2018.

23.  Havril, T., Tóth, A., Molson, J.W., Galsa A., Mádl-Szőnyi, J., Impacts of predicted climate change on groundwater flow systems: Can wetlands disappear due to recharge reduction?, Journal of Hydrology, Special Issue: Climate Change & Recharge,, 2017.

24.  Montcoudiol, N., J. Molson & J.-M. Lemieux, Numerical modelling in support of a conceptual model for groundwater flow and geochemical evolution in the southern Outaouais Region, Quebec, Canada,  Canadian Water Resources Journal, Special Issue : Quebec PACES Projects,, 2017.

25.  Beaudoin, G., Nowamooz, A., Assima, G.P., Lechat, K., Gras, A., , Entezari, A., Kandji, E.H.B., Awoh, A-S., Horswill, M., Turcotte, S., Larachi, F., Dupuis, C., Molson, J., Lemieux, J-M., Maldague, X., Plante, B., Bussière, B., Constantin, M., Duchesne J., Therrien, R. Fortier, R., Passive mineral carbonation of Mg-rich mine wastes by atmospheric CO2 , Energia Procedia, 114, p.6083-6086,, 2017.

26.  Gras, A., G. Beaudoin, J. Molson, B. Plante, B. Bussière, J.M. Lemieux, P.P. Dupont,  Isotopic evidence of passive mineral carbonation in mine wastes from the Dumont Nickel Project (Abitibi, Quebec), International Journal of Greenhouse Gas Control, (60) 10–23,, May 2017.

27.  Pabst, T., Aubertin, M., Bussière, B., and Molson, J., Experimental and numerical evaluation of single-layer covers placed on acid-generating tailings, Journal of Geotechnical and Geological Engineering,, February 2017.

28.  Pabst, T., Molson, J., Aubertin, M., and Bussière, B., Reactive transport modelling of the hydro-geochemical behaviour of partially oxidized acid-generating mine tailings with a monolayer cover, Applied Geochemistry, 78, 219-233,, 2017.

29.  Chow, R., E.O. Frind, M.E. Frind, J.P. Jones, M.R. Sousa, D.L. Rudolph, J.W. Molson, W. Nowak, Delineating baseflow contribution areas for streams – A model and methods comparison. Journal of Contaminant Hydrology, vol.195; p11-22,, 2016.

30.  Molson, J.W., E.O. Frind, HEATFLOW-SMOKER USER GUIDE, Density-dependent flow and advective-dispersive transport of mass, thermal energy or residence time in 3D fractured porous media, Version 5.0, Université Laval & University of Waterloo, 2019.

31.  Molson, J.W., BIONAPL/3D User Guide, A 3D coupled flow and multi-component NAPL dissolution and reactive transport model, Université Laval & University of Waterloo, 2019.

32.  Molson, J.W. and E.O. Frind, FLONET/TR2 User Guide, A Two-Dimensional Simulator for Groundwater Flownets, Contaminant Transport and Residence Time, Version 5, Université Laval & University of Waterloo, 57 pp, 2019.

33.  Molson, J.W., E.O. Frind, SALTFLOW, A 3D groundwater flow and density-dependent mass transport model, version 3.0, Université Laval & University of Waterloo, 2019.

34.  Molson, J.W., Aubertin, M., Frind, E.O., Blowes, D., POLYMIN, A 2D multi-component reactive transport model with geochemical speciation and kinetic sulphide oxidation, Dept. GGL, Université Laval and Dept. Civil, Geological and Mining Engineering, Ecole Polytechnique, Montreal, 2005.

35.  Molson, J.W., Beckers, J., Frind, E.O. and Martin, P.J., WATFLOW/3D v4.0, A 3D Groundwater Flow Model, Department of Earth Sciences, University of Waterloo, 2002.

36.  Molson, J.W., and Frind, E.O., WTC: Waterloo Transport Code, A 3D Advective-Dispersive Mass Transport Model, User Guide, Version 3.0, University of Waterloo, 2004.


  • Membre de l'Ordre des ingénieurs du Québec (OIQ)
  • Membre, Centre d'études nordiques, Université Laval
  • Membre, CentrEau, Université Laval
  • Membre, Centre E4M, Université Laval
  • Membre, International Assoc. of Hydrogeologists
  • Membre, American Geophysical Union
  • Associate Editor, Grundwasser, (Springer), 2010-2022
  • Associate Editor, Hydrogeology Journal (Springer), 2018-2022
  • Associate Editor, Canadian Geotechnical Journal, (NRC Research Press), 2012-2018

Formation et expériences professionnelles

  • Ph.D. (2000), Earth Sciences, (Hydrogeology), University of Waterloo
  • M.Sc. (1988), Earth Sciences, (Hydrogeology), University of Waterloo
  • Hon. B.Sc. (1985), (Geotech. Engineering), University of Waterloo


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