Results 41 to 50 of about 564 (174)

Sensitivity of a calving glacier to ice–ocean interactions under climate change: new insights from a 3-D full-Stokes model [PDF]

The Cryosphere, 2019
Iceberg calving accounts for between 30 % and 60 % of net mass loss from the Greenland Ice Sheet, which has intensified and is now the single largest contributor to global sea level rise in the cryosphere.
J. Todd, J. Todd, P. Christoffersen, T. Zwinger, P. Råback, D. I. Benn   +5 more
doaj   +1 more source

Brief Communication "The 2013 Erebus Glacier Tongue calving event" [PDF]

The Cryosphere, 2013
The Erebus Glacier Tongue, a small floating glacier in southern McMurdo Sound, is one of the best-studied ice tongues in Antarctica. Despite this, its calving on the 27 February 2013 (UTC) was around 10 yr earlier than previously predicted.
C. L. Stevens, P. Sirguey, G. H. Leonard, T. G. Haskell   +3 more
doaj   +1 more source

Antarctic iceberg melt rate variability and sensitivity to ocean thermal forcing

Journal of Glaciology, 2023
Changes in iceberg calving fluxes and oceanographic conditions around Antarctica have likely influenced the spatial and temporal distribution of iceberg fresh water fluxes to the surrounding ocean basins.
Ellyn M. Enderlin, Carlos Moffat, Emily Miller, Adam Dickson, Caitlin Oliver, Mariama C. Dryák-Vallies, Rainey Aberle   +6 more
doaj   +1 more source

Micro‐habitat selection by boreal woodland caribou improves access to food

Wildlife Biology, EarlyView.
Bio‐logging sensors attached to radiotelemetry receivers have great potential to transform our understanding of the ecological, physiological, and energetic constraints that shape patterns of wildlife movement under field conditions. We used video camera collars to assess microhabitat selectivity by woodland caribou Rangifer tarandus in boreal forests ...
Ian D. Thompson, Philip A. Wiebe, Arthur R. Rodgers, Douglas Reid, James A. Baker, Brent R. Patterson, Eric McNeill, Romain Dejeante, John M. Fryxell   +8 more
wiley   +1 more source

47 Years of Large Antarctic Calving Events: Insights From Extreme Value Theory

Geophysical Research Letters
Massive calving events result in significant instantaneous ice loss from Antarctica. The rarity and stochastic nature of these extreme events makes it difficult to understand their physical drivers, temporal trends, and future likelihood. To address this
Emma J. MacKie, Joanna Millstein, Katherine A. Serafin   +2 more
doaj   +1 more source

Assessment of a Finite Volume Discretization of the Horizontal Pressure Gradient Force Beneath Sloping Ice Shelves

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 8, August 2026.
Abstract The accurate computation of pressure gradients in ocean models is essential for simulating ocean and climate processes. Inaccurate computation can result in spurious velocities on the order of real ocean flows, particularly in quiescent ice shelf cavities.
C. K. Yung, R. W. Hallberg, A. Adcroft, A. K. Morrison   +3 more
wiley   +1 more source

Icebergs, jigsaw puzzles, and genealogy: automated multi-generational iceberg tracking and lineage reconstruction [PDF]

The Cryosphere
Tabular icebergs calve from ice shelves and glaciers in Antarctica, Greenland, and northern Ellesmere Island. These “ice islands”, as they are referred to in the Arctic, drift, melt, and fragment, contributing freshwater and nutrients to the ocean ...
B. R. Evans, A. R. Lowe, A. Crawford, A. Fleming, J. S. Hosking, J. S. Hosking   +5 more
doaj   +1 more source

Subglacial Lake Discharge Affects the Age and Concentration Distribution of Dissolved Organic Carbon in Ross Sea Surface Waters

AGU Advances, Volume 7, Issue 5, August 2026.
Abstract The Ross Sea continental shelf plays a key role in the global carbon cycle. However, the sources and cycling of dissolved organic carbon (DOC) in the region are poorly understood. Here, we determined the radiocarbon (14C) and stable carbon isotope (13C) contents of DOC in addition to those of dissolved inorganic carbon (DIC) in the Little ...
Sunmin Oh, Yeongjin Ryu, Heejun Han, Taehee Na, Tae‐Wan Kim, Jisoo Park, Guebuem Kim, Ellen R. M. Druffel, Jeomshik Hwang   +8 more
wiley   +1 more source

Understanding of an Iceberg Breaking Off Event Based on Ice-Front Motion Analysis of Amery Ice Shelf, Antarctica

Remote Sensing, 2021
On 26 September 2019, a massive iceberg broke off the west side of the Amery Ice Shelf (AIS) in East Antarctica. Since 1973, the AIS calving front has steadily advanced at a rate of 1.0 km yr−1. However, the advancement rate of the central portion of the
Zhaohui Chi, Andrew Klein
doaj   +1 more source

SWOT High‐Rate Raster Data Reveals Antarctic Ice Shelf Motion and Change in Response to Ocean and Ice Dynamics

Geophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract The NASA/CNES Surface Water and Ocean Topography (SWOT) swath‐mapping radar altimetry satellite mission, launched in December 2022, provides repeat‐track coverage to about ±78.2° latitude every 21 days, sampling many of Antarctica's most dynamic ice shelves that play key roles in constraining mass loss from the grounded ice sheet ...
S. L. Howard, Z. S. Katz, L. Padman, M. R. Siegfried, E. Abrahams, T. M. Snow   +5 more
wiley   +1 more source