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Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics

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Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics. / Killingbeck, Siobhan F.; Kulessa, Bernd; Miles, Katie E. et al.
In: Geophysical Research Letters, Vol. 52, No. 17, e2025GL115908, 16.09.2025.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Killingbeck, SF, Kulessa, B, Miles, KE, Hubbard, B, Luckman, A, Thompson, SS, Jones, G & Galton‐Fenzi, BK 2025, 'Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics', Geophysical Research Letters, vol. 52, no. 17, e2025GL115908. https://doi.org/10.1029/2025gl115908

APA

Killingbeck, S. F., Kulessa, B., Miles, K. E., Hubbard, B., Luckman, A., Thompson, S. S., Jones, G., & Galton‐Fenzi, B. K. (2025). Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics. Geophysical Research Letters, 52(17), Article e2025GL115908. Advance online publication. https://doi.org/10.1029/2025gl115908

Vancouver

Killingbeck SF, Kulessa B, Miles KE, Hubbard B, Luckman A, Thompson SS et al. Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics. Geophysical Research Letters. 2025 Sept 16;52(17):e2025GL115908. Epub 2025 Aug 28. doi: 10.1029/2025gl115908

Author

Killingbeck, Siobhan F. ; Kulessa, Bernd ; Miles, Katie E. et al. / Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics. In: Geophysical Research Letters. 2025 ; Vol. 52, No. 17.

Bibtex

@article{a5461b24b36e4b1fac47b8a3b4112992,
title = "Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics",
abstract = "Plain Language Summary: We used a novel method to image through the Larsen C Ice Shelf, Antarctica, at a suture zone, where two ice masses merge. We discovered two distinct layers: a 300‐m‐thick upper layer of dense, impermeable ice likely formed from compacted snow, and a thinner layer of porous, frozen seawater. The latter marine ice layer at the base of the ice shelf is less dense than that of a basal marine ice layer observed at a location 195 km downstream. This suggests the basal layer consolidates as it flows toward the ocean. Understanding this layered structure is essential for predicting the ice shelf's stability.",
author = "Killingbeck, {Siobhan F.} and Bernd Kulessa and Miles, {Katie E.} and Bryn Hubbard and Adrian Luckman and Thompson, {Sarah S.} and Glenn Jones and Galton‐Fenzi, {Benjamin K.}",
year = "2025",
month = aug,
day = "28",
doi = "10.1029/2025gl115908",
language = "English",
volume = "52",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "17",

}

RIS

TY - JOUR

T1 - Imaging Brine Infiltration and Basal Marine Ice in Larsen C Ice Shelf, Antarctic Peninsula, From Borehole Measurements and Transient Electromagnetics

AU - Killingbeck, Siobhan F.

AU - Kulessa, Bernd

AU - Miles, Katie E.

AU - Hubbard, Bryn

AU - Luckman, Adrian

AU - Thompson, Sarah S.

AU - Jones, Glenn

AU - Galton‐Fenzi, Benjamin K.

PY - 2025/8/28

Y1 - 2025/8/28

N2 - Plain Language Summary: We used a novel method to image through the Larsen C Ice Shelf, Antarctica, at a suture zone, where two ice masses merge. We discovered two distinct layers: a 300‐m‐thick upper layer of dense, impermeable ice likely formed from compacted snow, and a thinner layer of porous, frozen seawater. The latter marine ice layer at the base of the ice shelf is less dense than that of a basal marine ice layer observed at a location 195 km downstream. This suggests the basal layer consolidates as it flows toward the ocean. Understanding this layered structure is essential for predicting the ice shelf's stability.

AB - Plain Language Summary: We used a novel method to image through the Larsen C Ice Shelf, Antarctica, at a suture zone, where two ice masses merge. We discovered two distinct layers: a 300‐m‐thick upper layer of dense, impermeable ice likely formed from compacted snow, and a thinner layer of porous, frozen seawater. The latter marine ice layer at the base of the ice shelf is less dense than that of a basal marine ice layer observed at a location 195 km downstream. This suggests the basal layer consolidates as it flows toward the ocean. Understanding this layered structure is essential for predicting the ice shelf's stability.

U2 - 10.1029/2025gl115908

DO - 10.1029/2025gl115908

M3 - Journal article

VL - 52

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 17

M1 - e2025GL115908

ER -