Structures and deformation in glaciers and ice sheets

SJA Jennings, MJ Hambrey - Reviews of Geophysics, 2021 - Wiley Online Library
The aims of this review are to:(a) describe and interpret structures in valley glaciers in
relation to strain history; and (b) to explore how these structures inform our understanding of …

[HTML][HTML] Distribution and seasonal evolution of supraglacial lakes on Shackleton Ice Shelf, East Antarctica

JF Arthur, CR Stokes, SSR Jamieson, JR Carr… - The …, 2020 - tc.copernicus.org
Supraglacial lakes (SGLs) enhance surface melting and can flex and fracture ice shelves
when they grow and subsequently drain, potentially leading to ice shelf disintegration …

Deglaciation and ice shelf development at the northeast margin of the Laurentide Ice Sheet during the Younger Dryas chronozone

MFA Furze, AJ Pieńkowski, MA McNeely, R Bennett… - Boreas, 2018 - Wiley Online Library
Core 2011804‐0010 from easternmost Lancaster Sound provides important insights into
deglacial timing and style at the marine margin of the NE Laurentide Ice Sheet (LIS) …

Radar detection of the brine extent at McMurdo Ice Shelf, Antarctica, and its control by snow accumulation

C Grima, JS Greenbaum… - Geophysical …, 2016 - Wiley Online Library
We derive the surface density and brine infiltration depth/extent at McMurdo Ice Shelf,
Antarctica, from combined analysis of radar profiles and radar statistical reconnaissance of …

Brine, englacial structure and basal properties near the terminus of McMurdo Ice Shelf, Antarctica

S Campbell, Z Courville, S Sinclair, J Wilner - Annals of Glaciology, 2017 - cambridge.org
We collected~ 1300 km of ground-penetrating radar profiles over McMurdo Ice Shelf,
Antarctica, using frequencies between 40 and 400 MHz to determine extent, continuity and …

Ice and firn heterogeneity within Larsen C Ice Shelf from borehole optical televiewing

DW Ashmore, B Hubbard, A Luckman… - Journal of …, 2017 - Wiley Online Library
We use borehole optical televiewing (OPTV) to explore the internal structure of Larsen C Ice
Shelf (LCIS). We report a suite of five~ 90 m long OPTV logs, recording a light‐emitting …

The local last glacial maximum in McMurdo Sound, Antarctica: Implications for ice-sheet behavior in the ross sea embayment

AJ Christ, PR Bierman - GSA Bulletin, 2020 - pubs.geoscienceworld.org
Abstract During the Last Glacial Maximum (LGM), a grounded ice sheet filled the Ross Sea
Embayment in Antarctica and deposited glacial sediments on volcanic islands and …

Formation of pedestalled, relict lakes on the McMurdo Ice Shelf, Antarctica

GJ MacDonald, AF Banwell, IC Willis, DP Mayer… - Journal of …, 2019 - cambridge.org
Surface debris covers much of the western portion of the McMurdo Ice Shelf and has a
strong influence on the local surface albedo and energy balance. Differential ablation …

[PDF][PDF] Characteristics of the Ross and Southern McMurdo ice shelves as revealed from ground-based radar surveys.

MR Ryan - 2016 - ir.canterbury.ac.nz
Ice shelves are an important component of the Antarctic Ice Sheet as they indirectly control
sea level rise by regulating mass flux into the ocean. The coupling of ice shelves with the …

Formation of sea ice ponds from ice-shelf runoff, adjacent to the McMurdo Ice Shelf, Antarctica

GJ Macdonald, P Popović, DP Mayer - Annals of Glaciology, 2020 - cambridge.org
Ponds that form on sea ice can cause it to thin or break-up, which can promote calving from
an adjacent ice shelf. Studies of sea ice ponds have predominantly focused on Arctic ponds …