Glacial Ice Front Calving: Internal Wave Generation and Melting

Mark Inall; Neil Fraser; Arild Sundfjord; Michael P. Meredith

doi:10.1029/2026GL122121

Glacial Ice Front Calving: Internal Wave Generation and Melting

Mark Inall
, Neil Fraser
, Arild Sundfjord
, Michael P. Meredith

SAMS UHI

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摘要

Small, frequent calving events dominate the behavior of most Arctic marine‐terminating glaciers,yet their oceanographic impacts remain largely unquantified. We present the first direct observations of internalwaves generated by modest ice‐fall calving at Kronebreen, Svalbard. High‐resolution current meter andmicrostructure measurements show that each event excites weakly nonlinear multi‐modal internal wave packetswith ∼4 m vertical displacements and mode 1 propagation speeds of 0.35–0.42 ms

源语言	English
文章编号	GRL72671
页数	10
期刊	GEOPHYS RES LETT
卷	53
期	11
DOI	https://doi.org/10.1029/2026GL122121
出版状态	Published - 3 6月 2026

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10.1029/2026GL122121许可: CC BY

Glacial Ice‐Front Calving Internal Wave Generation and Melting
©2026. The Author(s). This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Final published version, 2.41 MB许可: CC BY

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AU - Inall, Mark

AU - Fraser, Neil

AU - Sundfjord, Arild

AU - Meredith, Michael P.

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N2 - Small, frequent calving events dominate the behavior of most Arctic marine‐terminating glaciers,yet their oceanographic impacts remain largely unquantified. We present the first direct observations of internalwaves generated by modest ice‐fall calving at Kronebreen, Svalbard. High‐resolution current meter andmicrostructure measurements show that each event excites weakly nonlinear multi‐modal internal wave packetswith ∼4 m vertical displacements and mode 1 propagation speeds of 0.35–0.42 ms

AB - Small, frequent calving events dominate the behavior of most Arctic marine‐terminating glaciers,yet their oceanographic impacts remain largely unquantified. We present the first direct observations of internalwaves generated by modest ice‐fall calving at Kronebreen, Svalbard. High‐resolution current meter andmicrostructure measurements show that each event excites weakly nonlinear multi‐modal internal wave packetswith ∼4 m vertical displacements and mode 1 propagation speeds of 0.35–0.42 ms

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KW - arctic

KW - fjords

KW - calving

KW - glaciers

KW - melt

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Glacial Ice Front Calving: Internal Wave Generation and Melting

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