Improved parameterizations of vertical ice‐ocean boundary layers and melt rates

KX Zhao, ED Skyllingstad… - Geophysical Research …, 2024 - Wiley Online Library
Buoyancy fluxes and submarine melt rates at vertical ice‐ocean interfaces are commonly
parameterized using theories derived for unbounded free plumes. A Large Eddy Simulation …

Heat fluxes in a glacial fjord: The role of buoyancy‐driven circulation and offshore forcing

J Bonneau, BE Laval, D Mueller… - Geophysical …, 2024 - Wiley Online Library
The ocean supplies large quantities of thermal energy to tidewater glaciers, but the
mechanisms behind the heat delivery are not fully understood. To examine heat flux …

Turbulent dynamics of buoyant melt plumes adjacent near‐vertical glacier ice

JD Nash, K Weiss, ME Wengrove… - Geophysical …, 2024 - Wiley Online Library
At marine‐terminating glaciers, both buoyant plumes and local currents energize turbulent
exchanges that control ice melt. Because of challenges in making centimeter‐scale …

Parameterizing subglacial discharge in modeling buoyancy driven flow in tidewater glacier Fjords

C Wang, RJ Chant, RH Jackson - Journal of Geophysical …, 2023 - Wiley Online Library
In tidewater glacier fjords, subglacial discharge drives a significant mixing mechanism near
glacier fronts and drives a strong exchange flow. Numerous studies (Cowton et al., 2015 …

Ice mélange melt changes observed water column stratification at a tidewater glacier in Greenland

N Abib, DA Sutherland, R Peterson, G Catania… - The …, 2024 - tc.copernicus.org
Glacial fjords often contain ice mélange, a frozen conglomeration of icebergs and sea ice,
which has been postulated to influence both glacier dynamics and fjord circulation through …

Oceanographic variability in Cumberland Bay, South Georgia, and its implications for glacier retreat

JC Zanker, E Young, PR Holland… - Journal of …, 2024 - Wiley Online Library
South Georgia is a heavily glaciated sub‐Antarctic island in the Southern Ocean.
Cumberland Bay is the largest fjord on the island, split into two arms, each with a large …

Ilulissat Icefjord Upper‐Layer Circulation Patterns Revealed Through GPS‐Tracked Icebergs

SJN Baratta, KM Schild… - Journal of Geophysical …, 2024 - Wiley Online Library
Abstract The Greenland Ice Sheet has undergone rapid mass loss over the last four
decades, primarily through solid and liquid discharge at marine‐terminating outlet glaciers …

Unsteady circulation in a glacial fjord: A multiyear modeling study of Milne Fiord

J Bonneau, BE Laval, D Mueller… - Journal of …, 2024 - Wiley Online Library
The exchange of heat and freshwater between glaciers and the ocean is dictated by the
circulation in glacial fjords and ice shelf cavities. Therefore, our ability to estimate and …

Relative roles of plume and coastal forcing on exchange flow variability of a glacial fjord

R Sanchez, F Straneo, K Hughes… - Journal of …, 2024 - Wiley Online Library
Glacial fjord circulation determines the import of oceanic heat to the Greenland Ice Sheet
and the export of ice sheet meltwater to the ocean. However, limited observations and the …

Evidence suggesting frazil ice crystal formation at the front of Hisinger Glacier in Dickson Fjord, Northeast Greenland

FJ Rooijakkers, E Poulsen, E Ruiz-Castillo… - …, 2024 - egusphere.copernicus.org
Glacier retreat and mass loss in Northeast Greenland have profound implications for global
sea-level rise, making it crucial to understand the complex dynamics of glacier-ocean …