Search Results - "Galloway, Jennifer M"

The Silent VOICE—Searching for Geochemical Markers to Track the Impact of Late Jurassic Rift Tectonics by Galloway, Jennifer M., Hadlari, Thomas, Dewing, Keith, Poulton, Terence, Grasby, Stephen E., Reinhardt, Lutz, Rogov, Mikhail, Longman, Jack, Vickers, Madeleine

“…A causal mechanism for the Volgian Isotopic Carbon Excursion (VOICE) remains enigmatic. Elemental geochemical profiles of the Deer Bay Formation, Sverdrup…”
Get full text

Spheroidal carbonaceous particles are a defining stratigraphic marker for the Anthropocene by Swindles, Graeme T., Watson, Elizabeth, Turner, T. Edward, Galloway, Jennifer M., Hadlari, Thomas, Wheeler, Jane, Bacon, Karen L.

“…There has been recent debate over stratigraphic markers used to demarcate the Anthropocene from the Holocene Epoch. However, many of the proposed markers are…”
Get full text

1.8 Billion Years of Detrital Zircon Recycling Calibrates a Refractory Part of Earth's Sedimentary Cycle by Hadlari, Thomas, Swindles, Graeme T, Galloway, Jennifer M, Bell, Kimberley M, Sulphur, Kyle C, Heaman, Larry M, Beranek, Luke P, Fallas, Karen M

“…Detrital zircon studies are providing new insights on the evolution of sedimentary basins but the role of sedimentary recycling remains largely undefined. In a…”
Get full text

Late Holocene climatic variability in Subarctic Canada: Insights from a high-resolution lake record from the central Northwest Territories by Dalton, April S, Patterson, R Timothy, Roe, Helen M, Macumber, Andrew L, Swindles, Graeme T, Galloway, Jennifer M, Vermaire, Jesse C, Crann, Carley A, Falck, Hendrik

“…We examined late Holocene (ca. 3300 yr BP to present-day) climate variability in the central Northwest Territories (Canadian Subarctic) using a diatom and…”
Get full text

Intra-lake response of Arcellinida (testate lobose amoebae) to gold mining-derived arsenic contamination in northern Canada: Implications for environmental monitoring by Nasser, Nawaf A, Patterson, R Timothy, Galloway, Jennifer M, Falck, Hendrik

“…Arcellinida (testate lobose amoebae) were examined from 40 near-surface sediment samples (top 0.5 cm) from two lakes impacted by arsenic (As) contamination…”
Get full text

What killed Frame Lake? A precautionary tale for urban planners by Gavel, Melody J, Patterson, R Timothy, Nasser, Nawaf A, Galloway, Jennifer M, Hanna, Bruce W, Cott, Peter A, Roe, Helen M, Falck, Hendrik

“…Frame Lake, located within the city of Yellowknife, Northwest Territories, Canada, has been identified as requiring significant remediation due to its steadily…”
Get full text

Diatom ecological response to deposition of the 833-850 CE White River Ash (east lobe) ashfall in a small subarctic Canadian lake by Hutchinson, Scott J, Hamilton, Paul B, Patterson, R Timothy, Galloway, Jennifer M, Nasser, Nawaf A, Spence, Christopher, Falck, Hendrik

“…A <5 mm thick volcanic ashfall layer associated with the White River Ash (east lobe [WRAe]) originating from the eruption of Mount Churchill, Alaska (833-850…”
Get full text

Seasonal variation of arsenic and antimony in surface waters of small subarctic lakes impacted by legacy mining pollution near Yellowknife, NT, Canada by Palmer, Michael J., Chételat, John, Richardson, Murray, Jamieson, Heather E., Galloway, Jennifer M.

“…The seasonal variation in lake water arsenic (As) and antimony (Sb) concentrations was assessed in four small (<1.5km2) subarctic lakes impacted by As and Sb…”
Get full text

Hydrological change in the central interior of British Columbia, Canada: diatom and pollen evidence of millennial-to-centennial scale change over the Holocene by Galloway, Jennifer M., Lenny, Adam M., Cumming, Brian F.

“…Diatom-based inferences of post-glacial hydrological change from a sedimentary record from Felker Lake, British Columbia, show millennial-scale pacing of…”
Get full text

Widespread drying of European peatlands in recent centuries by Swindles, Graeme T., Morris, Paul J., Mullan, Donal J., Payne, Richard J., Roland, Thomas P., Amesbury, Matthew J., Lamentowicz, Mariusz, Turner, T. Edward, Gallego-Sala, Angela, Sim, Thomas, Barr, Iestyn D., Blaauw, Maarten, Blundell, Antony, Chambers, Frank M., Charman, Dan J., Feurdean, Angelica, Galloway, Jennifer M., Gałka, Mariusz, Green, Sophie M., Kajukało, Katarzyna, Karofeld, Edgar, Korhola, Atte, Lamentowicz, Łukasz, Langdon, Peter, Marcisz, Katarzyna, Mauquoy, Dmitri, Mazei, Yuri A., McKeown, Michelle M., Mitchell, Edward A. D., Novenko, Elena, Plunkett, Gill, Roe, Helen M., Schoning, Kristian, Sillasoo, Ülle, Tsyganov, Andrey N., van der Linden, Marjolein, Väliranta, Minna, Warner, Barry

“…Climate warming and human impacts are thought to be causing peatlands to dry, potentially converting them from sinks to sources of carbon. However, it is…”
Get full text

Mesozoic rift to post-rift tectonostratigraphy of the Sverdrup Basin, Canadian Arctic by Hadlari, Thomas, Midwinter, Derrick, Galloway, Jennifer M., Dewing, Keith, Durbano, Andrew M.

“…Jurassic-Cretaceous rift successions and basin geometries of the Sverdrup Basin are reconstructed from a review and integration of stratigraphy, igneous…”
Get full text

Organic matter is a predominant control on total mercury concentration of near-surface lake sediments across a boreal to low Arctic tundra transect in northern Canada by Galloway, Jennifer M., Parsons, Michael B., Ardakani, Omid H., Falck, Hendrik, Fewster, Richard E., Swindles, Graeme T., Sanei, Hamed, Palmer, Michael J., Nasser, Nawaf A., Patterson, R. Timothy

“…Mercury (Hg) is a bioavailable and toxic element with concentrations that are persistently high or rising in some Arctic and subarctic lakes despite reduced…”
Get full text

A portable extruder for accurate and precise high-resolution subsampling of unconsolidated sediment cores by Patterson, R. Timothy, Nasser, Nawaf A., Tremblay, Steven, Galloway, Jennifer M.

“…We developed a portable extruder for precise and accurate high-resolution subsampling of unconsolidated sediment cores. This extruder is capable of producing…”
Get full text

The long-term fate of permafrost peatlands under rapid climate warming by Swindles, Graeme T., Morris, Paul J., Mullan, Donal, Watson, Elizabeth J., Turner, T. Edward, Roland, Thomas P., Amesbury, Matthew J., Kokfelt, Ulla, Schoning, Kristian, Pratte, Steve, Gallego-Sala, Angela, Charman, Dan J., Sanderson, Nicole, Garneau, Michelle, Carrivick, Jonathan L., Woulds, Clare, Holden, Joseph, Parry, Lauren, Galloway, Jennifer M.

“…Permafrost peatlands contain globally important amounts of soil organic carbon, owing to cold conditions which suppress anaerobic decomposition. However,…”
Get full text

Impact of Post-Tropical Storm Arthur (2014) on benthic Arcellinida assemblage dynamics in Harvey Lake, New Brunswick, Canada by Atasiei, Dan, Nasser, Nawaf A., Patterson, Calder W., Wen, Anqi, Patterson, R. Timothy, Galloway, Jennifer M., Roe, Helen M.

“…Arcellinida (testate lobose amoebae) were examined in surface-sediment samples collected in 2015 from throughout Harvey Lake, New Brunswick, Canada to assess…”
Get full text

Lake-specific controls on the long-term stability of mining-related, legacy arsenic contamination and geochemical baselines in a changing northern environment, Tundra Mine, Northwest Territories, Canada by Miller, Clare B., Parsons, Michael B., Jamieson, Heather E., Swindles, Graeme T., Nasser, Nawaf A., Galloway, Jennifer M.

“…Climate change is influencing the biogeochemistry of northern lake ecosystems. These changes may affect the mobility of naturally occurring metal(loid)s and…”
Get full text

Influence of late-Holocene climate change on the solid-phase speciation and long-term stability of arsenic in sub-Arctic lake sediments by Miller, Clare B., Parsons, Michael B., Jamieson, Heather E., Ardakani, Omid H., Gregory, Braden R.B., Galloway, Jennifer M.

“…Sediment cores were collected from two lakes in the Courageous Lake Greenstone Belt (CLGB), central Northwest Territories, Canada, to examine the influence of…”
Get full text

Reconstruction of Holocene hydroclimatic variability in subarctic treeline lakes using lake sediment grain-size end-members by Macumber, Andrew L, Patterson, R Timothy, Galloway, Jennifer M, Falck, Hendrik, Swindles, Graeme T

“…Current climate trends are expected to result in the northward expansion of the subarctic treeline leading to changes in vegetation cover and permafrost…”
Get full text

Progress in the taxonomy of Late Cretaceous high-latitude radiolarians: insights from the Horton River area, Northwest Territories, Canada by Diaz, Juan F., Suzuki, Noritoshi, Galloway, Jennifer M., Bringué, Manuel

“…Radiolarians have proven to be exceptional tools in biostratigraphic and paleoenvironmental studies despite their relatively low preservation potential in the…”
Get full text

Mediation of arsenic mobility by organic matter in mining-impacted sediment from sub‐Arctic lakes: implications for environmental monitoring in a warming climate by Miller, Clare B., Parsons, Michael B., Jamieson, Heather E., Ardakani, Omid H., Patterson, R. Timothy, Galloway, Jennifer M.

“…Arsenic (As) is commonly sequestered at the sediment–water interface (SWI) in mining-impacted lakes through adsorption and/or co-precipitation with authigenic…”
Get full text