Articles | Volume 17, issue 8
https://doi.org/10.5194/tc-17-3269-2023
https://doi.org/10.5194/tc-17-3269-2023
Research article
 | 
15 Aug 2023
Research article |  | 15 Aug 2023

A long-term proxy for sea ice thickness in the Canadian Arctic: 1996–2020

Isolde A. Glissenaar, Jack C. Landy, David G. Babb, Geoffrey J. Dawson, and Stephen E. L. Howell

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Short summary
Observations of large-scale ice thickness have unfortunately only been available since 2003, a short record for researching trends and variability. We generated a proxy for sea ice thickness in the Canadian Arctic for 1996–2020. This is the longest available record for large-scale sea ice thickness available to date and the first record reliably covering the channels between the islands in northern Canada. The product shows that sea ice has thinned by 21 cm over the 25-year record in April.