How is climate change impacting the Arctic Ocean? It can be hard to track these changes, but researchers have been using acoustic signals transmitted beneath the ice to learn more. In this episode, we talk with Matthew Dzieciuch and Peter Worcester of Scripps Institution of Oceanography and Hanne Sagen of the Nansen Center about an international effort to use acoustic thermometry to better understand the changing ocean.

Associated paper: Matthew A. Dzieciuch, Hanne Sagen, Peter F. Worcester, Espen Storheim, F. Hunter Akins, Stein Sandven, John A. Colosi, John N. Kemp, and Geir Martin Leinebø. "Transarctic acoustic transmissions during the Coordinated Arctic Acoustic Thermometry Experiment in 2019–2020." J. Acoust. Soc. Am. 159, 1071–1085 (2026). https://doi.org/10.1121/10.0042233.

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Music Credit: Min 2019 by minwbu from Pixabay.