Results 1 to 10 of about 478,422 (316)
The marine geological imprint of Antarctic ice shelves [PDF]
Nature Communications, 2019 The recent collapses of ice shelves in Antarctica due to warming make it essential to understand past ice shelf conditions and mechanisms. Here Smith and colleagues review the latest progress in deciphering the geological imprint of Antarctic ice shelves
James A. Smith +5 more
doaj +8 more sources
Rapid disintegration and weakening of ice shelves in North Greenland [PDF]
Nature Communications, 2023 The glaciers of North Greenland are hosting enough ice to raise sea level by 2.1 m, and have long considered to be stable. This part of Greenland is buttressed by the last remaining ice shelves of the ice sheet. Here, we show that since 1978, ice shelves
R. Millan +7 more
doaj +3 more sources
Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves. [PDF]
Nat Commun, 2019 Suture zones are abundant on Antarctic ice shelves and widely observed to impede fracture propagation, greatly enhancing ice-shelf stability. Using seismic and radar observations on the Larsen C Ice Shelf of the Antarctic Peninsula, we confirm that such ...
Kulessa B +10 more
europepmc +4 more sources
Annual mass budget of Antarctic ice shelves from 1997 to 2021. [PDF]
Sci Adv, 2023 Antarctic ice shelves moderate the contribution of the Antarctic Ice Sheet to global sea level rise; however, ice shelf health remains poorly constrained. Here, we present the annual mass budget of all Antarctic ice shelves from 1997 to 2021.
Davison BJ +8 more
europepmc +2 more sources
Ocean-excited plate waves in the Ross and Pine Island Glacier ice shelves [PDF]
Journal of Glaciology, 2018 Ice shelves play an important role in buttressing land ice from reaching the sea, thus restraining the rate of grounded ice loss. Long-period gravity-wave impacts excite vibrations in ice shelves that can expand pre-existing fractures and trigger iceberg
ZHAO CHEN +6 more
doaj +3 more sources
Sea ice-free corridors for large swell to reach Antarctic ice shelves
Environmental Research Letters, 2022 Sea ice can attenuate Southern Ocean swell before it reaches Antarctic ice shelves and imposes flexural stresses, which promote calving of outer ice-shelf margins and influence ice shelf stability.
N J Teder +3 more
doaj +2 more sources
The role of double-diffusive convection in basal melting of Antarctic ice shelves. [PDF]
Proc Natl Acad Sci U S A, 2021 Significance Ocean-driven melting of ice shelves is a leading cause of mass loss from Antarctica. However, the small-scale ocean processes responsible for melting are poorly understood due to the difficulty of making direct measurements in these hard to ...
Rosevear MG, Gayen B, Galton-Fenzi BK.
europepmc +2 more sources
Interannual variations in meltwater input to the Southern Ocean from Antarctic ice shelves. [PDF]
Nat Geosci, 2020 Ocean-driven basal melting of Antarctica’s floating ice shelves accounts for about half of their mass loss in steady state, where gains in ice-shelf mass are balanced by losses. Ice-shelf thickness changes driven by varying basal melt rates modulate mass
Adusumilli S +4 more
europepmc +2 more sources
The Creep of Ice Shelves Theory [PDF]
Journal of Glaciology, 1973 AbstractBudd’s expressions for strain-rate gradient along the centre line of a bounded ice shelf are shown to be applicable only to ice shelves with almost constant thickness and very small longitudinal strain-rates. A general expression is derived for creep in an ice shelf where the sole restriction is that of zero shear stresses in vertical planes ...
Robert Thomas
openalex +4 more sources
Progressive unanchoring of Antarctic ice shelves since 1973. [PDF]
NatureMass loss of the Antarctic Ice Sheet has been driven primarily by the thinning of the floating ice shelves that fringe the ice sheet1, reducing their buttressing potential and causing land ice to accelerate into the ocean2.
Miles BWJ, Bingham RG.
europepmc +2 more sources