Articles | Volume 17, issue 10
https://doi.org/10.5194/tc-17-4447-2023
https://doi.org/10.5194/tc-17-4447-2023
Research article
 | 
20 Oct 2023
Research article |  | 20 Oct 2023

Monitoring glacier calving using underwater sound

Jarosław Tęgowski, Oskar Glowacki, Michał Ciepły, Małgorzata Błaszczyk, Jacek Jania, Mateusz Moskalik, Philippe Blondel, and Grant B. Deane

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Cited articles

Benn, D. I., Hulton, N. R., and Mottram, R. H.: “Calving laws”, “sliding laws” and the stability of tidewater glaciers, Ann. Glaciol., 46, 123–130, https://doi.org/10.3189/172756407782871161, 2007a. a
Benn, D. I., Warren, C. R., and Mottram, R. H.: Calving processes and the dynamics of calving glaciers, Earth-Sci. Rev., 82, 143–179, https://doi.org/10.1016/j.earscirev.2007.02.002, 2007b. a, b
Błaszczyk, M., Jania, J. A., and Hagen, J. O.: Tidewater glaciers of Svalbard: Recent changes and estimates of calving fluxes, Pol. Polar Res., 30, 85–142, 2009. a
Błaszczyk, M., Jania, J. A., and Kolondra, L.: Fluctuations of tidewater glaciers in Hornsund Fjord (Southern Svalbard) since the beginning of the 20th century, Pol. Polar Res., 34, 327–352, https://journals.pan.pl/dlibra/publication/114504/edition/99557/content (last access: 16 October 2023), 2013. a
Błaszczyk, M., Ignatiuk, D., Uszczyk, A., Cielecka-Nowak, K., Grabiec, M., Jania, J. A., Moskalik, M., and Walczowski, W.: Freshwater input to the Arctic fjord Hornsund (Svalbard), Polar Res., 38, 3506, https://doi.org/10.33265/polar.v38.3506, 2019. a
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Short summary
Receding tidewater glaciers are important contributors to sea level rise. Understanding their dynamics and developing models for their attrition has become a matter of global concern. Long-term monitoring of glacier frontal ablation is very difficult. Here we show for the first time that calving fluxes can be estimated from the underwater sounds made by icebergs impacting the sea surface. This development has important application to understanding the response of glaciers to warming oceans.