Reconstruction of Holocene hydroclimatic variability in subarctic treeline lakes using lake sediment grain-size end-members

AL Macumber, RT Patterson, JM Galloway… - The …, 2018 - journals.sagepub.com
Current climate trends are expected to result in the northward expansion of the subarctic
treeline leading to changes in vegetation cover and permafrost distribution, as they did …

[HTML][HTML] The 852/3 CE Mount Churchill eruption: examining the potential climatic and societal impacts and the timing of the Medieval Climate Anomaly in the North …

H Mackay, G Plunkett, BJL Jensen, TJ Aubry… - Climate of the …, 2022 - cp.copernicus.org
The 852/3 CE eruption of Mount Churchill, Alaska, was one of the largest first-millennium
volcanic events, with a magnitude of 6.7 (VEI 6) and a tephra volume of 39.4–61.9 km 3 …

Using radiocarbon ages on organics affected by freshwater—a geologic and archaeologic update on the freshwater reservoir ages and freshwater diet effect in …

MS Gauthier - Radiocarbon, 2022 - cambridge.org
Freshwater reservoir ages and a potential freshwater diet effect are examined for Manitoba
(Canada), using paired samples of contemporaneous terrestrial, freshwater, and omnivore …

Late Holocene climatic variability in Subarctic Canada: Insights from a high-resolution lake record from the central Northwest Territories

AS Dalton, RT Patterson, HM Roe, AL Macumber… - PloS one, 2018 - journals.plos.org
We examined late Holocene (ca. 3300 yr BP to present-day) climate variability in the central
Northwest Territories (Canadian Subarctic) using a diatom and sedimentological record from …

Revisiting the timing of the northern lobe of the White River Ash volcanic event in Eastern Alaska and Western Yukon

J Reuther, B Potter, S Coffman, H Smith, N Bigelow - Radiocarbon, 2020 - cambridge.org
The northern lobe of the White River Ash (WRAn) is part of a bilobate distribution of tephras
that originated from the Wrangell Volcanic Field near the border of Alaska, USA, and Yukon …

Late-Holocene diatom community response to climate driven chemical changes in a small, subarctic lake, Northwest Territories, Canada

PB Hamilton, SJ Hutchinson, RT Patterson… - The …, 2021 - journals.sagepub.com
The paleolimnological record of diatoms and climate, spanning the last 2800 years, was
investigated in a small subarctic lake (Pocket Lake) that from AD 1948 to 2004 was …

Late-Holocene ultra-distal cryptotephra discoveries in varved sediments of Lake Żabińskie, NE Poland

M Kinder, S Wulf, O Appelt, M Hardiman… - Journal of Volcanology …, 2020 - Elsevier
Varved (annually laminated) lake sediments provide valuable archives for ultra-distal tephra
preservation and at the same time allow the precise dating of volcanic eruptive events. We …

Relative paleointensity correction of radiocarbon reservoir effect for lacustrine sediments on the northeast Tibetan Plateau

H Ma, YL Wang, CS **, ZF Wei, G Wang… - Quaternary …, 2021 - Elsevier
An accurate chronological framework is vital if we are to use lacustrine sediments on the
Tibetan Plateau (TP) for paleoclimate reconstruction. Radiocarbon (14 C) dating is the most …

Postglacial reconstruction of fire history using sedimentary charcoal and pollen from a small lake in southwest Yukon Territory, Canada

TJ Prince, MFJ Pisaric, KW Turner - Frontiers in Ecology and …, 2018 - frontiersin.org
Previous research suggests climate warming during the current century is likely to lead to an
increase in the frequency and severity of wildfire. Recent wildfire seasons in northern …

Diatom ecological response to deposition of the 833-850 CE White River Ash (east lobe) ashfall in a small subarctic Canadian lake

SJ Hutchinson, PB Hamilton, RT Patterson… - PeerJ, 2019 - peerj.com
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 CE; 1,117–1,100 cal BP) …