Výsledky vyhľadávania - "Laurion, Isabelle"

Dissolved organic matter photolysis in Canadian arctic thaw ponds Autor Laurion, Isabelle, Mladenov, Natalie

“…The abundant thaw lakes and ponds in the circumarctic receive a new pool of organic carbon as permafrost peat soils degrade, which can be exposed to…”
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Water column gradients beneath the summer ice of a High Arctic freshwater lake as indicators of sensitivity to climate change Autor Bégin, Paschale N., Tanabe, Yukiko, Rautio, Milla, Wauthy, Maxime, Laurion, Isabelle, Uchida, Masaki, Culley, Alexander I., Vincent, Warwick F.

“…Ice cover persists throughout summer over many lakes at extreme polar latitudes but is likely to become increasingly rare with ongoing climate change. Here we…”
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Seasonal patterns in greenhouse gas emissions from lakes and ponds in a High Arctic polygonal landscape Autor Preskienis, Vilmantas, Laurion, Isabelle, Bouchard, Frédéric, Douglas, Peter M. J., Billett, Michael F., Fortier, Daniel, Xu, Xiaomei

“…Lakes and ponds can be hotspots for CO₂ and CH₄ emissions, but Arctic studies remain scarce. Here we present diffusive and ebullition fluxes collected over…”
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Lakes and Reservoirs as Regulators of Carbon Cycling and Climate Autor Tranvik, Lars J., Downing, John A., Cotner, James B., Loiselle, Steven A., Striegl, Robert G., Ballatore, Thomas J., Dillon, Peter, Finlay, Kerri, Fortino, Kenneth, Knoll, Lesley B., Kortelainen, Pirkko L., Kutser, Tiit, Larsen, Soren, Laurion, Isabelle, Leech, Dina M., McCallister, S. Leigh, McKnight, Diane M., Melack, John M., Overholt, Erin, Porter, Jason A., Prairie, Yves, Renwick, William H., Roland, Fabio, Sherman, Bradford S., Schindler, David W., Sobek, Sebastian, Tremblay, Alain, Vanni, Michael J., Verschoor, Antonie M., von Wachenfeldt, Eddie, Weyhenmeyer, Gesa A.

“…We explore the role of lakes in carbon cycling and global climate, examine the mechanisms influencing carbon pools and transformations in lakes, and discuss…”
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Permafrost degradation and soil erosion as drivers of greenhouse gas emissions from tundra ponds Autor Prėskienis, Vilmantas, Fortier, Daniel, Douglas, Peter M J, Rautio, Milla, Laurion, Isabelle

“…Climate change poses a serious threat to permafrost integrity, with expected warmer winters and increased precipitation, both raising permafrost temperatures…”
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The NSERC Canadian Lake Pulse Network: A national assessment of lake health providing science for water management in a changing climate Autor Huot, Yannick, Brown, Catherine A., Potvin, Geneviève, Antoniades, Dermot, Baulch, Helen M., Beisner, Beatrix E., Bélanger, Simon, Brazeau, Stéphanie, Cabana, Hubert, Cardille, Jeffrey A., del Giorgio, Paul A., Gregory-Eaves, Irene, Fortin, Marie-Josée, Lang, Andrew S., Laurion, Isabelle, Maranger, Roxane, Prairie, Yves T., Rusak, James A., Segura, Pedro A., Siron, Robert, Smol, John P., Vinebrooke, Rolf D., Walsh, David A.

“…The distribution and quality of water resources vary dramatically across Canada, and human impacts such as land-use and climate changes are exacerbating…”
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High Methylmercury in Arctic and Subarctic Ponds is Related to Nutrient Levels in the Warming Eastern Canadian Arctic Autor MacMillan, Gwyneth A, Girard, Catherine, Chételat, John, Laurion, Isabelle, Amyot, Marc

“…Permafrost thaw ponds are ubiquitous in the eastern Canadian Arctic, yet little information exists on their potential as sources of methylmercury (MeHg) to…”
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Increasing dominance of terrigenous organic matter in circumpolar freshwaters due to permafrost thaw Autor Wauthy, Maxime, Rautio, Milla, Christoffersen, Kirsten S., Forsström, Laura, Laurion, Isabelle, Mariash, Heather L., Peura, Sari, Vincent, Warwick F.

“…Climate change and permafrost thaw are unlocking the vast storage of organic carbon held in northern frozen soils. Here, we evaluated the effects of thawing…”
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Hot tops, cold bottoms: Synergistic climate warming and shielding effects increase carbon burial in lakes Autor Bartosiewicz, Maciej, Przytulska, Anna, Lapierre, Jean‐François, Laurion, Isabelle, Lehmann, Moritz F., Maranger, Roxane

“…In this article, we challenge the notion that global warming stimulates organic matter mineralization and increases greenhouse gas emissions in lakes via…”
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Variability in Greenhouse Gas Emissions from Permafrost Thaw Ponds Autor Laurion, Isabelle, Vincent, Warwick F., MacIntyre, Sally, Retamal, Leira, Dupont, Christiane, Francus, Pierre, Pienitz, Reinhard

“…Arctic climate change is leading to accelerated melting of permafrost and the mobilization of soil organic carbon pools that have accumulated over thousands of…”
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Sedimentology and geochemistry of thermokarst ponds in discontinuous permafrost, subarctic Quebec, Canada Autor Bouchard, Frédéric, Francus, Pierre, Pienitz, Reinhard, Laurion, Isabelle

“…Thermokarst (thaw) ponds and lakes are distributed throughout arctic and subarctic regions; however their natural variability and temporal evolution recorded…”
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Small Thaw Ponds: An Unaccounted Source of Methane in the Canadian High Arctic Autor Negandhi, Karita, Laurion, Isabelle, Whiticar, Michael J., Galand, Pierre E., Xu, Xiaomei, Lovejoy, Connie

“…Thawing permafrost in the Canadian Arctic tundra leads to peat erosion and slumping in narrow and shallow runnel ponds that surround more commonly studied…”
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Shifts in dissolved organic matter and nutrients in tundra ponds along a gradient of permafrost erosion Autor Pacoureau, Thomas, Mazoyer, Flora, Maranger, Roxane, Rautio, Milla, Laurion, Isabelle

“…The accelerated thawing of permafrost in ice-wedge polygonal landscapes results in the formation of shallow ponds, where nutrients and dissolved organic matter…”
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Shallow Freshwater Ecosystems of the Circumpolar Arctic Autor Rautio, Milla, Dufresne, France, Laurion, Isabelle, Bonilla, Sylvia, Vincent, Warwick F., Christoffersen, Kirsten S.

“…This review provides a synthesis of limnological data and conclusions from studies on ponds and small lakes at our research sites in Subarctic and Arctic…”
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Sentinel responses of Arctic freshwater systems to climate: linkages, evidence, and a roadmap for future research Autor Saros, Jasmine E., Arp, Christopher D., Bouchard, Frédéric, Comte, Jérôme, Couture, Raoul-Marie, Dean, Joshua F., Lafrenière, Melissa, MacIntyre, Sally, McGowan, Suzanne, Rautio, Milla, Prater, Clay, Tank, Suzanne E., Walvoord, Michelle, Wickland, Kimberly P., Antoniades, Dermot, Ayala-Borda, Paola, Canario, Joao, Drake, Travis W., Folhas, Diogo, Hazuková, Václava, Kivilä, Henriikka, Klanten, Yohanna, Lamoureux, Scott, Laurion, Isabelle, Pilla, Rachel M., Vonk, Jorien E., Zolkos, Scott, Vincent, Warwick F.

“…While the sentinel nature of freshwater systems is now well recognized, widespread integration of freshwater processes and patterns into our understanding of…”
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Control and Surveillance Operations to Prevent Chronic Wasting Disease Establishment in Free-Ranging White-Tailed Deer in Québec, Canada Autor Gagnier, Marianne, Laurion, Isabelle, DeNicola, Anthony J.

“…Chronic wasting disease (CWD), a degenerative and fatal prion disease affecting cervids, was detected for the first time in the province of Québec, Canada, in…”
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Methane and carbon dioxide emissions from thermokarst lakes on mineral soils Autor Matveev, Alex, Laurion, Isabelle, Vincent, Warwick F.

“…Thermokarst lakes are known to emit methane (CH 4 ) and carbon dioxide (CO 2 ), but little attention has been given to those formed from the thawing and…”
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Characterization of anadromous Arctic char winter habitat and egg incubation areas in collaboration with Inuit fishers Autor Dubos, Véronique, St-Hilaire, André, Laurion, Isabelle, Bergeron, Normand E.

“…In Nunavik, anadromous Arctic char spend more than 6 months under ice-covered habitats, mainly in lakes. Their winter habitats in this region have been…”
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Comparative Analysis of Four Models to Estimate Chlorophyll-a Concentration in Case-2 Waters Using MODerate Resolution Imaging Spectroradiometer (MODIS) Imagery Autor El-Alem, Anas, Chokmani, Karem, Laurion, Isabelle, El-Adlouni, Sallah E.

“…The occurrence and extent of intense harmful algal blooms (HABs) have increased in inland waters during recent decades. Standard monitor networks, based on…”
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Expert elicitation of state shifts and divergent sensitivities to climate warming across northern ecosystems Autor Saulnier-Talbot, Émilie, Duchesne, Éliane, Antoniades, Dermot, Arseneault, Dominique, Barnard, Christine, Berteaux, Dominique, Bhiry, Najat, Bouchard, Frédéric, Boudreau, Stéphane, Cazelles, Kevin, Comte, Jérôme, Corbeil-Robitaille, Madeleine-Zoé, Côté, Steeve D., Couture, Raoul-Marie, de Lafontaine, Guillaume, Domine, Florent, Fauteux, Dominique, Fortier, Daniel, Garneau, Michelle, Gauthier, Gilles, Gravel, Dominique, Laurion, Isabelle, Lavoie, Martin, Lecomte, Nicolas, Legagneux, Pierre, Lévesque, Esther, Naud, Marie-José, Paquette, Michel, Payette, Serge, Pienitz, Reinhard, Rautio, Milla, Roy, Alexandre, Royer, Alain, Simard, Martin, Vincent, Warwick F., Bêty, Joël

“…Northern regions are warming faster than the rest of the globe. It is difficult to predict ecosystem responses to warming because the thermal sensitivity of…”
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