Early Holocene marine incursion and a freshened Tyrrell Sea in Hudson Bay Lowlands, Canada

C Gao, CL Turton - Quaternary Science Reviews, 2025 - Elsevier
Abstract The Tyrrell Sea developed in the Hudson Bay Lowlands after the breakup of the ice
saddle of the Laurentide Ice Sheet over Hudson Bay in the early Holocene. Coeval with its …

Response of North American ice sheets to the Younger Dryas cold reversal (12.9 to 11.7 ka)

AS Dalton, M Margold, HE Dulfer, SL Norris… - Earth-Science …, 2024 - Elsevier
Abstract The Younger Dryas (YD; 12.9 to 11.7 thousand years before present [ka]) was an
abrupt cooling event in the North Atlantic region that interrupted the last deglaciation. This …

Rock avalanches in northeastern Baffin Island, Canada: understanding low occurrence amid high hazard potential

MC Matthew, JC Gosse, RL Hermanns, A Normandeau… - Landslides, 2024 - Springer
Rock avalanches in fjord environments can cause direct catastrophic damage and trigger
secondary submarine landslides and tsunamis. These are well-documented in Greenland …

Unravelling the fragmented sediment–landform assemblage in an area of thick Quaternary sediment, western Hudson Bay Lowland, Canada

TJ Hodder, MS Gauthier, M Ross… - … Journal of Earth …, 2024 - pubs.geoscienceworld.org
Laurentide Ice Sheet (LIS) reconstructions beyond the last glacial maximum (LGM) are
difficult due to the incomplete stratigraphic record that has largely been eroded by the most …

South-central Laurentide Ice Sheet dynamics and the formation of proglacial Lake Vita during MIS 3

MS Gauthier, TJ Hodder, AS Dalton, V Brewer… - Quaternary …, 2025 - cambridge.org
An understanding of the growth and demise of ice sheets over North America is essential to
inform future climate models. One poorly studied subject is the glacial dynamics during …

Boreal forest cover was reduced in the mid-Holocene with warming and recurring wildfires

MP Girardin, DM Gaboriau, AA Ali, K Gajewski… - … Earth & Environment, 2024 - nature.com
The hemi-boreal zone, marking North America's southern boreal forest boundary, has
evolved post-glaciation, hosting diverse ecosystems including mixed forests with savannas …

Last ice sheet recession and landscape emergence above sea level in east-central Sweden, evaluated using in situ cosmogenic C from quartz

BW Goodfellow, AP Stroeven, NA Lifton… - …, 2024 - gchron.copernicus.org
In situ cosmogenic 14 C (in situ 14 C) in quartz provides a recently developed tool to date
exposure of bedrock surfaces of up to∼ 25 000 years. From outcrops located in east-central …

Shifting sediment depocenters track ice-margin retreat in Baffin Bay

E Okuma, J Titschack, J Weiser… - … Earth & Environment, 2024 - nature.com
Reconstructing the depositional history of Baffin Bay allows insights into the deglacial retreat
of the Laurentide, Innuitian, and Greenland ice sheets from their maximum extent during the …

Stemmed points and the ice-free corridor

JW Ives - PaleoAmerica, 2024 - Taylor & Francis
Fluting or basal thinning of lanceolate points can be readily recognized, so that much
reasoning about the initial occupation of the Ice-Free Corridor has centered on the fluted …

A Stemmed Point Assemblage from the Peace River Country of Northwestern Alberta

JW Ives - PaleoAmerica, 2024 - Taylor & Francis
ABSTRACT The Poohkay (GlQl-3) artifacts, from a site situated near the forks of the Peace
and Smoky Rivers of northwestern Alberta, reflect a lost tool kit or possible offering …