1887

Abstract

Summary

Monitoring the thickness and elastic properties of floating ice on Alpine lakes and in polar regions is critical for, for example, assessing climate change impacts, ice safety, and ice-shelf dynamics. Conventional remote sensing methods often yield ice thickness estimates with significant uncertainties for small Alpine lakes, while in situ techniques require substantial logistical effort and may be dangerous. We present a novel, low-cost, contact-free approach using acoustic sensors that exploit the coupling of seismic waves propagating in ice sheets into the air. Microphones deployed on frozen Alpine lakes recorded acoustic signals from frequent natural icequakes, enabling, for example, the continuous monitoring of the ice thickness over three months in winter 2021/2022. These seismo-acoustic sensors provide a robust alternative for remote ice monitoring using naturally occurring seismic sources.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.202520265
2025-09-07
2026-02-07

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References

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/content/papers/10.3997/2214-4609.202520265
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The Sound of Ice: Characterising Lake Ice using Seismo-Acoustic Observations
Conference Proceedings 2025, 1 (2025); https://doi.org/10.3997/2214-4609.202520265
/content/papers/10.3997/2214-4609.202520265
/content/papers/10.3997/2214-4609.202520265
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