Raoul-Marie Couture

• Centre d'études nordiques

Financements des 2 dernières années

• Félix Cloutier-Artiwat, Maîtrise en chimie - avec mémoire
• Florence Mercier, Doctorat en chimie
• Florence Mercier, Maîtrise en chimie - avec mémoire
• Ilias Hani, Stage postdoctoral en génie des eaux
• Kimia Motevalli, Doctorat en chimie
• Méliane Renaud, Maîtrise en chimie - avec mémoire
• Pedro Antonio Faria Freitas, Stage postdoctoral en biochimie
• Santiago Mareque, Maîtrise en chimie - avec mémoire
• Thomas Bossé-Demers, Doctorat en chimie

Encadrements des 5 dernières années

• Allyson Dalpé, Maîtrise en chimie - avec mémoire
• Audrey Laberge-Carignan, Doctorat en chimie
• Bruno Nicolas Cremella Palmerini, Stage postdoctoral en écologie
• Catherine Gagnon, Maîtrise en chimie - avec mémoire
• Chloé Rivest, Maîtrise en chimie - avec mémoire
• Daniel Fillion, Maîtrise en chimie - avec mémoire
• Gabriel St-Pierre, Maîtrise en chimie - avec mémoire
• Laurie Martin, Maîtrise en chimie - avec mémoire
• Louis-Marc Bruneau-Dumoulin, Maîtrise en sciences géographiques - avec mémoire
• Marianne Côté, Maîtrise en chimie - avec mémoire

Travaux de recherche des 5 dernières années

Seasonal organic matter dynamics in thermokarst lakes of a degrading palsa-rich sporadic permafrost zone (Nunavik, Canada) Organic Geochemistry, 2026. Diogo Folhas, Pedro Freitas, Audrey Laberge-Carignan, Isabelle Laurion, Warwick F. Vincent, Raoul-Marie Couture, João Canário. DOI 10.1016/j.orggeochem.2026.105186

Geochemical response and benthic recolonization following a sensitive-clay landslide in a subarctic river Environmental Research, 2026. Gabriel St-Pierre, João Canário, Rute Cesarío, Thomas Bossé-Demers, Audrey Laberge-Carignan, Philippe Archambault, Raoul-Marie Couture. DOI 10.1016/j.envres.2026.124400

Emerging thermokarst lakes amplify benthic activity and carbon mobilization in a continuous permafrost landscape Environmental Research Communications, 2026. Diogo Folhas, Beatriz Malcata Martins, Raoul-Marie Couture, Torben R Christensen, João Canário. DOI 10.1088/2515-7620/ae5513

Interannual Variability in Fall Ecosystem Metabolism Using CO2: O2 Stoichiometry Ecosystems, 2026. Brandon Blanchette, Morgan Botrel, Raoul-Marie Couture, Alice H. Parkes, Roxane Maranger. DOI 10.1007/s10021-025-01033-z

Seasonal Contrast in Rare Earth Elements Concentration in Sediment of the Mackenzie Delta 2026. Thomas Bossé-Demers, Bennet Juhls, Martine Lizotte, Santiago Mareque, Audrey Gaudy, Raoul-Marie Couture. DOI 10.5194/egusphere-2026-266

Bacterial divergence among the interconnected habitats of a High Arctic Lake FEMS Microbiology Ecology, 2025. Pénélope Blackburn-Desbiens, Maxime Larose, Raoul-Marie Couture, Warwick F Vincent, Alexander I Culley, Catherine Girard. DOI 10.1093/femsec/fiaf115

Influence of temperature on selenium mobility under contrasting redox conditions: a sediment flow-through reactor experiment Biogeochemistry, 2025. Audrey Laberge-Carignan, Florence Mercier, Dominic Larivière, Raoul-Marie Couture. DOI 10.1007/s10533-025-01256-1

Interannual surface water CO2 and O2 dynamics during fall in a small headwater lake 2025. Brandon Blanchette, Morgan Botrel, Raoul-Marie Couture, Paul del Giorgio, Alice H. Parkes, Roxane Maranger. DOI 10.1101/2025.06.30.659355

Distribution of rare earth elements and their signatures from the Mackenzie River delta to the abyssal Arctic Ocean Continental Shelf Research, 2025. Thomas Bossé-Demers, Charles Gobeil, Bennet Juhls, Martine Lizotte, Michael Fritz, Lisa Bröder, Atsushi Matsuoka, Santiago Mareque, Raoul-Marie Couture. DOI 10.1016/j.csr.2025.105464

Diversity of lakes and ponds in the forest-tundra ecozone: from limnicity to limnodiversity GIScience & Remote Sensing, 2024. Pedro Freitas, Gonçalo Vieira, Diana Martins, João Canário, Pedro Pina, Birgit Heim, Bennet Juhls, Raoul-Marie Couture, Warwick F. Vincent. DOI 10.1080/15481603.2024.2427309

Increasing warm-season evaporation rates across European lakes under climate change Climatic Change, 2024. Sofia La Fuente, Eleanor Jennings, John D. Lenters, Piet Verburg, Georgiy Kirillin, Tom Shatwell, Raoul-Marie Couture, Marianne Côté, C. Love Råman Vinnå, R. Iestyn Woolway. DOI 10.1007/s10584-024-03830-2

Influence of temperature on selenium mobility under contrasting redox conditions: a sediment flow-through reactor experiment 2024. Audrey Laberge-Carignan, Florence Mercier, Dominic Larivière, Raoul-Marie Couture. DOI 10.26434/chemrxiv-2024-1w0d2

Seasonal Contrasts in Dissolved Selenium Dynamics in Subarctic Thaw Lakes ACS Earth and Space Chemistry, 2024. Audrey Laberge-Carignan, Martin Pilote, Dominic Larivière, Florence Mercier, Diogo Folhas, Raoul-Marie Couture. DOI 10.1021/acsearthspacechem.4c00041

Emission of Volatile Organic Compounds to the Atmosphere from Photochemistry in Thermokarst Ponds in Subarctic Canada ACS Earth and Space Chemistry, 2024. Daniel Fillion, Sébastien Perrier, Matthieu Riva, Christian George, Florent Domine, Raoul-Marie Couture. DOI 10.1021/acsearthspacechem.3c00336

Nickel and copper complexation by natural dissolved organic matter – titration of two contrasting lake waters and comparison of measured and modelled free metal ion concentrations Environmental Chemistry, 2024. Kristin K. Mueller, Raoul-Marie Couture, Claude Fortin, Peter G. C. Campbell. DOI 10.1071/EN23021

Longevity and efficacy of lanthanum-based P remediation under changing dissolved oxygen availability in a small eutrophic lake Environmental Science: Processes & Impacts, 2024. Wessam Neweshy, Dolors Planas, Nicole Sanderson, Raoul-Marie Couture. DOI 10.1039/D3EM00572K

Deepwater dissolved oxygen shows little ecological memory between lake phenological seasons Inland Waters, 2023. Rachel M. Pilla, Craig E. Williamson, Erin P. Overholt, Kevin C. Rose, Stella A. Berger, Raoul-Marie Couture, Heleen A. de Wit, Ignacio Granados, Hans-Peter F. Grossart, Georgiy B. Kirillin, Alo Laas, Jens C. Nejstgaard, James A. Rusak, Mark W. Swinton, Manuel Toro, Huaxia Yao. DOI 10.1080/20442041.2023.2265802

Towards modeling data-poor lakes at the regional scale using parameters from data-rich lakes and relationships to lake characteristics Inland Waters, 2023. Marianne Côté, Göran Englund, Tom Andersen, Dag O. Hessen, Anders G. Finstad, Claude Bélanger, Raoul-Marie Couture. DOI 10.1080/20442041.2023.2265798

Oxygen Depletion in Arctic Lakes: Circumpolar Trends, Biogeochemical Processes, and Implications of Climate Change Global Biogeochemical Cycles, 2023. Y. Klanten, R.‐M. Couture, K. S. Christoffersen, W. F. Vincent, D. Antoniades. DOI 10.1029/2022GB007616

Co-Extraction of Uranium and Mercury Using Ion Exchange from Cemented Radioactive Waste Sulfuric Leachate in Iodide Media Minerals, 2023. Maxime Courchesne, Raoul-Marie Couture, Justine Basque, Nicolas Reynier, Dominic Larivière. DOI 10.3390/min13030405

Floating solar panels on reservoirs impact phytoplankton populations: A modelling experiment Journal of Environmental Management, 2022. Giles Exley, Trevor Page, Stephen J. Thackeray, Andrew M. Folkard, Raoul-Marie Couture, Rebecca R. Hernandez, Alexander E. Cagle, Kateri R. Salk, Lucie Clous, Peet Whittaker, Michael Chipps, Alona Armstrong. DOI 10.1016/j.jenvman.2022.116410

Response of sediment phosphorus partitioning to lanthanum-modified clay amendment and porewater chemistry in a small eutrophic lake. 2022. Wessam Neweshy, Dolors Planas, Elisabeth Tellier, Rémi Marsac, Marie Demers, Raoul-Marie Couture. DOI 10.26434/chemrxiv-2022-3n2t2

Land Use Change to Reduce Freshwater Nitrogen and Phosphorus will Be Effective Even with Projected Climate Change Water, 2022. Andrew J. Wade, Richard A. Skeffington, Raoul-Marie Couture, Martin Erlandsson Lampa, Simon Groot, Sarah J. Halliday, Valesca Harezlak, Josef Hejzlar, Leah A. Jackson-Blake, Ahti Lepistö, Eva Papastergiadou, Joan Lluís Riera, Katri Rankinen, Maria Shahgedanova, Dennis Trolle, Paul G. Whitehead, Demetris Psaltopoulos, Dimitris Skuras. DOI 10.3390/w14050829

Response of sediment phosphorus partitioning to lanthanum-modified clay amendment and porewater chemistry in a small eutrophic lake Environmental Science: Processes & Impacts, 2022. Wessam Neweshy, Dolors Planas, Elisabeth Tellier, Marie Demers, Remi Marsac, Raoul-Marie Couture. DOI 10.1039/D1EM00544H

A framework for ensemble modelling of climate change impacts on lakes worldwide: the ISIMIP Lake Sector Geoscientific Model Development, 2022. Golub, Malgorzata, Thiery, Wim, Marce, Rafael, Pierson, Don, Vanderkelen, Inne, Mercado-Bettin, Daniel, Woolway, R. Iestyn, Grant, Luke, Jennings, Eleanor, Kraemer, Benjamin M., Schewe, Jacob, Zhao, Fang, Frieler, Katja, Mengel, Matthias, Bogomolov, Vasiliy Y., Bouffard, Damien, Cote, Marianne, Couture, Raoul-Marie, Debolskiy, Andrey, V, Droppers, Bram, Gal, Gideon, Guo, Mingyang, Janssen, Annette B. G., Kirillin, Georgiy, Ladwig, Robert, Magee, Madeline, Moore, Tadhg, Perroud, Marjorie, Piccolroaz, Sebastiano, Vinnaa, Love Raaman, Schmid, Martin, Shatwell, Tom, Stepanenko, Victor M., Tan, Zeli, Woodward, Bronwyn, Yao, Huaxia, Adrian, Rita, Allan, Mathew, Anneville, Orlane, Arvola, Lauri, Atkins, Karen, Boegman, Leon, Carey, Cayelan, Christianson, Kyle, de Eyto, Elvira, DeGasperi, Curtis, Grechushnikova, Maria, Hejzlar, Josef, Joehnk, Klaus, Jones, Ian D., Laas, Alo, Mackay, Eleanor B., Mammarella, Ivan, Markensten, Hampus, McBride, Chris, Ozkundakci, Deniz, Potes, Miguel, Rinke, Karsten, Robertson, Dale, Rusak, James A., Salgado, Rui, van der Linden, Leon, Verburg, Piet, Wain, Danielle, Ward, Nicole K., Wollrab, Sabine, Zdorovennova, Galina. DOI 10.5194/GMD-15-4597-2022

Warming combined with experimental eutrophication intensifies lake phytoplankton blooms Limnology and Oceanography, 2022. Kateri R. Salk, Jason J. Venkiteswaran, Raoul‐Marie Couture, Scott N. Higgins, Michael J. Paterson, Sherry L. Schiff. DOI 10.1002/lno.11982

Genomic evidence for sulfur intermediates as new biogeochemical hubs in a model aquatic microbial ecosystem Microbiome, 2021. Adrien Vigneron, Perrine Cruaud, Alexander I. Culley, Raoul-Marie Couture, Connie Lovejoy, Warwick F. Vincent. DOI 10.1186/s40168-021-00999-x

Quantifying arsenic post-depositional mobility in lake sediments impacted by gold ore roasting in sub-arctic Canada using inverse diagenetic modelling Environmental Pollution, 2021. Émilie Leclerc, Jason J. Venkiteswaran, Izabela Jasiak, James V. Telford, Mackenzie D.J. Schultz, Brent B. Wolfe, Roland I. Hall, Raoul-Marie Couture. DOI 10.1016/j.envpol.2021.117723

An empirical model to predict methane production in inland water sediment from particular organic matter supply and reactivity Limnology and Oceanography, 2021. Charlotte Grasset, Simone Moras, Anastasija Isidorova, Raoul‐Marie Couture, Annika Linkhorst, Sebastian Sobek. DOI 10.1002/lno.11905

Attenuation of photosynthetically active radiation and ultraviolet radiation in response to changing dissolved organic carbon in browning lakes: Modeling and parametrization Limnology and Oceanography, 2021. Rachel M. Pilla, Raoul‐Marie Couture. DOI 10.1002/lno.11753

Evaluating spatiotemporal patterns of arsenic, antimony, and lead deposition from legacy gold mine emissions using lake sediment records Applied Geochemistry, 2021. Jasiak, Izabela, Wiklund, J. A., Leclerc, E., Telford, J., V, Couture, R. M., Venkiteswaran, J. J., Hall, R., I, Wolfe, B. B.. DOI 10.1016/J.APGEOCHEM.2021.105053