The collapse of the Cordilleran–Laurentide ice saddle and early opening of the Mackenzie Valley, Northwest Territories, Canada, constrained by 10Be exposure dating

• Published in: The Cryosphere
• Main Authors: Stoker, Benjamin J., Margold, Martin, Gosse, John C., Hidy, Alan J., Monteath, Alistair J., Young, Joseph M., Gandy, Niall, Gregoire, Lauren J., Norris, Sophie L., Froese, Duane
• Format: Text
• Language: English
• Published: 2022
• Subjects: Arctic; Arctic Ocean; Canada; Mackenzie Valley; Northwest Territories; Ice Sheet; Mackenzie mountains
• Online Access: https://doi.org/10.5194/tc-16-4865-2022; https://tc.copernicus.org/articles/16/4865/2022/

Deglaciation of the northwestern Laurentide Ice Sheet in the central Mackenzie Valley opened the northern portion of the deglacial Ice-Free Corridor between the Laurentide and Cordilleran ice sheets and a drainage route to the Arctic Ocean. In addition, ice sheet saddle collapse in this section of t...