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Influence of the grounding zone on the internal structure of ice shelves

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Influence of the grounding zone on the internal structure of ice shelves. / Miles, K. E.; Hubbard, B.; Luckman, A. et al.
In: Nature Communications, Vol. 16, No. 1, 4383, 12.05.2025.

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

Harvard

Miles, KE, Hubbard, B, Luckman, A, Kulessa, B, Bevan, S, Thompson, S & Jones, G 2025, 'Influence of the grounding zone on the internal structure of ice shelves', Nature Communications, vol. 16, no. 1, 4383. https://doi.org/10.1038/s41467-025-58973-2

APA

Miles, K. E., Hubbard, B., Luckman, A., Kulessa, B., Bevan, S., Thompson, S., & Jones, G. (2025). Influence of the grounding zone on the internal structure of ice shelves. Nature Communications, 16(1), Article 4383. https://doi.org/10.1038/s41467-025-58973-2

Vancouver

Miles KE, Hubbard B, Luckman A, Kulessa B, Bevan S, Thompson S et al. Influence of the grounding zone on the internal structure of ice shelves. Nature Communications. 2025 May 12;16(1):4383. doi: 10.1038/s41467-025-58973-2

Author

Miles, K. E. ; Hubbard, B. ; Luckman, A. et al. / Influence of the grounding zone on the internal structure of ice shelves. In: Nature Communications. 2025 ; Vol. 16, No. 1.

Bibtex

@article{88343835dc47444cbf01f7bd51921ef0,
title = "Influence of the grounding zone on the internal structure of ice shelves",
abstract = "Antarctic ice shelves typically comprise continental meteoric ice, in situ-accumulated meteoric ice, and marine ice accumulated at the shelf base. Using borehole optical televiewer logs from across Larsen C Ice Shelf, Antarctic Peninsula, we identify and report an intermediate ice unit, located between continental and in situ meteoric ice, that is tens of metres thick and formed of layers that progressively increase in dip (by ~60°) with depth. The unit{\textquoteright}s stratigraphic position and depth, supported by flowline modelling, indicate formation at the grounding zone. We hypothesise that the unit forms due to changes in the surface slope of feeder glaciers at the grounding zone, resulting in both variable surface accumulation and intense deformation. The top of the unit also marks the depth at which lateral consistency in radar layering is lost from radargrams, which may, to some degree, mark the depth of grounding zone ice across all ice shelves.",
author = "Miles, {K. E.} and B. Hubbard and A. Luckman and B. Kulessa and S. Bevan and S. Thompson and G. Jones",
year = "2025",
month = may,
day = "12",
doi = "10.1038/s41467-025-58973-2",
language = "English",
volume = "16",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Influence of the grounding zone on the internal structure of ice shelves

AU - Miles, K. E.

AU - Hubbard, B.

AU - Luckman, A.

AU - Kulessa, B.

AU - Bevan, S.

AU - Thompson, S.

AU - Jones, G.

PY - 2025/5/12

Y1 - 2025/5/12

N2 - Antarctic ice shelves typically comprise continental meteoric ice, in situ-accumulated meteoric ice, and marine ice accumulated at the shelf base. Using borehole optical televiewer logs from across Larsen C Ice Shelf, Antarctic Peninsula, we identify and report an intermediate ice unit, located between continental and in situ meteoric ice, that is tens of metres thick and formed of layers that progressively increase in dip (by ~60°) with depth. The unit’s stratigraphic position and depth, supported by flowline modelling, indicate formation at the grounding zone. We hypothesise that the unit forms due to changes in the surface slope of feeder glaciers at the grounding zone, resulting in both variable surface accumulation and intense deformation. The top of the unit also marks the depth at which lateral consistency in radar layering is lost from radargrams, which may, to some degree, mark the depth of grounding zone ice across all ice shelves.

AB - Antarctic ice shelves typically comprise continental meteoric ice, in situ-accumulated meteoric ice, and marine ice accumulated at the shelf base. Using borehole optical televiewer logs from across Larsen C Ice Shelf, Antarctic Peninsula, we identify and report an intermediate ice unit, located between continental and in situ meteoric ice, that is tens of metres thick and formed of layers that progressively increase in dip (by ~60°) with depth. The unit’s stratigraphic position and depth, supported by flowline modelling, indicate formation at the grounding zone. We hypothesise that the unit forms due to changes in the surface slope of feeder glaciers at the grounding zone, resulting in both variable surface accumulation and intense deformation. The top of the unit also marks the depth at which lateral consistency in radar layering is lost from radargrams, which may, to some degree, mark the depth of grounding zone ice across all ice shelves.

U2 - 10.1038/s41467-025-58973-2

DO - 10.1038/s41467-025-58973-2

M3 - Journal article

VL - 16

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

IS - 1

M1 - 4383

ER -