Four North American glaciers advanced past their modern positions thousands of years apart in the Holocene

• Main Authors: Jones, Andrew G., Marcott, Shaun A., Gorin, Andrew L., Kennedy, Tori M., Shakun, Jeremy D., Goehring, Brent M., Menounos, Brian, Clark, Douglas H., Romero, Matias, Caffee, Marc W.
• Format: Text
• Language: English
• Published: 2023
• Subjects: Canada; Juneau Icefield; glacier*
• Online Access: https://doi.org/10.5194/egusphere-2023-859; https://egusphere.copernicus.org/preprints/2023/egusphere-2023-859/

There is unambiguous evidence that glaciers have retreated from their 19th century positions, but it is less clear how far glaciers have retreated relative to their long-term Holocene fluctuations. Glaciers in western North America are thought to have advanced from minimum positions in the Early Hol...