Search Results - "St Pierre, Kyra"

Fate and Transport of Perfluoroalkyl Substances from Snowpacks into a Lake in the High Arctic of Canada by MacInnis, John J, Lehnherr, Igor, Muir, Derek C. G, St. Pierre, Kyra A, St. Louis, Vincent L, Spencer, Christine, De Silva, Amila O

“…The delivery of perfluoroalkyl substances (PFAS) from snowpacks into Lake Hazen, located on Ellesmere Island (Nunavut, Canada, 82° N) indicates that annual…”
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Unprecedented Increases in Total and Methyl Mercury Concentrations Downstream of Retrogressive Thaw Slumps in the Western Canadian Arctic by St. Pierre, Kyra A, Zolkos, Scott, Shakil, Sarah, Tank, Suzanne E, St. Louis, Vincent L, Kokelj, Steven V

“…Retrogressive thaw slumps (RTSs) are thermokarst features created by the rapid thaw of ice-rich permafrost, and can mobilize vast quantities of sediments and…”
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Methylmercury Transport and Fate Shows Strong Seasonal and Spatial Variability along a High Arctic Freshwater Hydrologic Continuum by Varty, Stephanie, Lehnherr, Igor, St Pierre, Kyra, Kirk, Jane, Wisniewski, Victoria

“…The presence of toxic methylmercury (MeHg) in Arctic freshwater ecosystems and foodwebs is a potential health concern for northern Indigenous people…”
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The world’s largest High Arctic lake responds rapidly to climate warming by Lehnherr, Igor, St. Louis, Vincent L., Sharp, Martin, Gardner, Alex S., Smol, John P., Schiff, Sherry L., Muir, Derek C. G., Mortimer, Colleen A., Michelutti, Neil, Tarnocai, Charles, St. Pierre, Kyra A., Emmerton, Craig A., Wiklund, Johan A., Köck, Günter, Lamoureux, Scott F., Talbot, Charles H.

“…Using a whole-watershed approach and a combination of historical, contemporary, modeled and paleolimnological datasets, we show that the High Arctic’s largest…”
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Atmospheric Concentrations and Wet/Dry Loadings of Mercury at the Remote Experimental Lakes Area, Northwestern Ontario, Canada by St. Louis, Vincent L, Graydon, Jennifer A, Lehnherr, Igor, Amos, Helen M, Sunderland, Elsie M, St. Pierre, Kyra A, Emmerton, Craig A, Sandilands, Ken, Tate, Michael, Steffen, Alexandra, Humphreys, Elyn R

“…Mercury (Hg) is a global pollutant released from both natural and human sources. Here we compare long-term records of wet deposition loadings of total Hg (THg)…”
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Freshwater microbial community diversity in a rapidly changing High Arctic watershed by Cavaco, Maria Antonia, St Louis, Vincent Lawrence, Engel, Katja, St Pierre, Kyra Alexandra, Schiff, Sherry Lin, Stibal, Marek, Neufeld, Josh David

“…Current models predict increases in High Arctic temperatures and precipitation that will have profound impacts on the Arctic hydrological cycle, including…”
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Proglacial freshwaters are significant and previously unrecognized sinks of atmospheric CO2 by St Pierre, Kyra A, St Louis, Vincent L, Schiff, Sherry L, Lehnherr, Igor, Dainard, Paul G, Gardner, Alex S, Aukes, Pieter J K, Sharp, Martin J

“…Carbon dioxide (CO2) emissions from freshwater ecosystems are almost universally predicted to increase with climate warming. Glacier-fed rivers and lakes,…”
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The use of hair as a proxy for total and methylmercury burdens in polar bear muscle tissue by Bechshoft, Thea, Dyck, Markus, St. Pierre, Kyra A., Derocher, Andrew E., St. Louis, Vincent

“…Polar bears (Ursus maritimus) are an ecologically important species in the Arctic, whose health, and that of the people whose livelihoods depend on them, are…”
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Physicochemical Drivers of Microbial Community Structure in Sediments of Lake Hazen, Nunavut, Canada by Ruuskanen, Matti O, St Pierre, Kyra A, St Louis, Vincent L, Aris-Brosou, Stéphane, Poulain, Alexandre J

“…The Arctic is undergoing rapid environmental change, potentially affecting the physicochemical constraints of microbial communities that play a large role in…”
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Tailings ponds of the Athabasca Oil Sands Region, Alberta, Canada, are likely not significant sources of total mercury and methylmercury to nearby ground and surface waters by Willis, Chelsea E., St. Louis, Vincent L., Kirk, Jane L., St. Pierre, Kyra A., Dodge, Crystal

“…Tailings ponds created during industrial bitumen extraction from the Athabasca Oil Sands Region (AOSR), Alberta, Canada, have been shown to contain numerous…”
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Arctic mercury cycling by Dastoor, Ashu, Angot, Hélène, Bieser, Johannes, Christensen, Jesper H., Douglas, Thomas A., Heimbürger-Boavida, Lars-Eric, Jiskra, Martin, Mason, Robert P., McLagan, David S., Obrist, Daniel, Outridge, Peter M., Petrova, Mariia V., Ryjkov, Andrei, St. Pierre, Kyra A., Schartup, Amina T., Soerensen, Anne L., Toyota, Kenjiro, Travnikov, Oleg, Wilson, Simon J., Zdanowicz, Christian

“…Anthropogenic mercury (Hg) emissions have driven marked increases in Arctic Hg levels, which are now being impacted by regional warming, with uncertain…”
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Rain-fed streams dilute inorganic nutrients but subsidise organic-matter-associated nutrients in coastal waters of the northeast Pacific Ocean by St. Pierre, Kyra A, Hunt, Brian P. V, Tank, Suzanne E, Giesbrecht, Ian, Korver, Maartje C, Floyd, William C, Oliver, Allison A, Lertzman, Kenneth P

“…In coastal regions, rivers and streams may be important sources of nutrients limiting to primary production in marine waters; however, sampling is still rarely…”
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Investigation of perfluoroalkyl substances in proglacial rivers and permafrost seep in a high Arctic watershed by MacInnis, John, De Silva, Amila O, Lehnherr, Igor, Muir, Derek C G, St Pierre, Kyra A, St Louis, Vincent L, Spencer, Christine

“…We measured perfluoroalkyl substances (PFAS) in proglacial rivers and along a non-glacial freshwater continuum to investigate the role of snow and ice melting…”
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Climate change and mercury in the Arctic: Abiotic interactions by Chételat, John, McKinney, Melissa A., Amyot, Marc, Dastoor, Ashu, Douglas, Thomas A., Heimbürger-Boavida, Lars-Eric, Kirk, Jane, Kahilainen, Kimmo K., Outridge, Peter M., Pelletier, Nicolas, Skov, Henrik, St. Pierre, Kyra, Vuorenmaa, Jussi, Wang, Feiyue

“…Dramatic environmental shifts are occuring throughout the Arctic from climate change, with consequences for the cycling of mercury (Hg). This review summarizes…”
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Glacial Melt Inputs of Organophosphate Ester Flame Retardants to the Largest High Arctic Lake by Sun, Yuxin, De Silva, Amila O, St Pierre, Kyra A, Muir, Derek C. G, Spencer, Christine, Lehnherr, Igor, MacInnis, John J

“…Organophosphate esters (OPEs) have been detected in the Arctic environment, but the influence of glacial melt on the environmental behavior of OPEs in…”
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Winter Dust Storms Impact the Physical and Biogeochemical Functioning of a Large High Arctic Lake by St. Louis, Vincent L., St. Pierre, Kyra A., Emmerton, Craig A., Serbu, Jessica A., Talbot, Charles H., Szostek, Lisa, Lehnherr, Igor, Muir, Derek C. G., Criscitiello, Alison

“…We found that a winter of abnormally low snowfall and numerous dust storms from eolian processes acting on exposed landscapes (including a major 4-day dust…”
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Contrasting the ecological effects of decreasing ice cover versus accelerated glacial melt on the High Arctic's largest lake by Michelutti, Neal, Douglas, Marianne S. V., Antoniades, Dermot, Lehnherr, Igor, St. Louis, Vincent L., St. Pierre, Kyra, Muir, Derek C. G., Brunskill, Gregg, Smol, John P.

“…Lake Hazen, the High Arctic's largest lake, has received an approximately 10-fold increase in glacial meltwater since its catchment glaciers shifted from net…”
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Warming Climate Is Reducing the Diversity of Dominant Microbes in the Largest High Arctic Lake by Colby, Graham A., Ruuskanen, Matti O., St.Pierre, Kyra A., St.Louis, Vincent L., Poulain, Alexandre J., Aris-Brosou, Stéphane

“…Temperatures in the Arctic are expected to increase dramatically over the next century, and transform high latitude watersheds. However, little is known about…”
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Proglacial freshwaters are significant and previously unrecognized sinks of atmospheric CO 2 by St Pierre, Kyra A, St Louis, Vincent L, Schiff, Sherry L, Lehnherr, Igor, Dainard, Paul G, Gardner, Alex S, Aukes, Pieter J K, Sharp, Martin J

“…Carbon dioxide (CO ) emissions from freshwater ecosystems are almost universally predicted to increase with climate warming. Glacier-fed rivers and lakes,…”
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The Kwakshua Watersheds Observatory, central coast of British Columbia, Canada by Giesbrecht, Ian J. W., Floyd, William C., Tank, Suzanne E., Lertzman, Ken P., Hunt, Brian P. V., Korver, Maartje C., Oliver, Allison A., Brunsting, Ray, Sanborn, Paul, Gonzalez Arriola, Santiago G., Frazer, Gordon W., St. Pierre, Kyra A., Hateley, Shawn, McPhail, James, Owen, Colby, Butler, Stewart, Fedje, Bryn, Myers, Emma, Quayle, Lucy, Haughton, Emily, Desmarais, Isabelle, White, Rob, Levy‐Booth, David J., Kellogg, Colleen T. E., Jackson, Jennifer M., Mohn, William W., Hallam, Steven J., Del Bel Belluz, Justin

“…The Kwakshua Watersheds Observatory (KWO) is an integrative watersheds observatory on the coastal margin of a rain‐dominated bog‐forest landscape in British…”
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