Results 51 to 60 of about 94,073 (286)

The configuration of Northern Hemisphere ice sheets through the Quaternary

Nature Communications, 2019
How global climatic changes are translated into ice-sheet fluctuations and sea-level change is not well understood. Here the authors present a compilation of empirical data and numerical modelling results of pre-LGM Northern Hemisphere ice sheet changes ...
Christine L. Batchelor, Martin Margold, Mario Krapp, Della K. Murton, April S. Dalton, Philip L. Gibbard, Chris R. Stokes, Julian B. Murton, Andrea Manica   +8 more
doaj   +1 more source

Greater Greenland Ice Sheet contribution to global sea level rise in CMIP6

Nature Communications, 2020
The potential contribution of Greenland Ice Sheet to sea level rise in the future is known to be substantial. Here, the authors undertake new modelling showing that the Greenland Ice Sheet sea level rise contribution is 7.9 cm more using the CMIP6 SSP585
Stefan Hofer, Charlotte Lang, Charles Amory, Christoph Kittel, Alison Delhasse, Andrew Tedstone, Xavier Fettweis   +6 more
doaj   +1 more source

Exposure age and ice-sheet model constraints on Pliocene East Antarctic ice sheet dynamics [PDF]

Nature Communications, 2015
AbstractThe Late Pliocene epoch is a potential analogue for future climate in a warming world. Here we reconstruct Plio-Pleistocene East Antarctic Ice Sheet (EAIS) variability using cosmogenic nuclide exposure ages and model simulations to better understand ice sheet behaviour under such warm conditions.
Yamane, Masako, Yokoyama, Yusuke, Abe-Ouchi, Ayako, Obrochta, Stephen, Saito, Fuyuki, Moriwaki, Kiichi, Matsuzaki, Hiroyuki   +6 more
openaire   +2 more sources

Ice flux evolution in fast flowing areas of the Greenland ice sheet over the 20th and 21st centuries

Journal of Glaciology, 2017
This study investigates the evolution of Greenland ice sheet flux focusing on five of the main fast flowing regions (Petermann glacier, North East Greenland Ice Stream, Kangerdlugssuaq glacier, Helheim glacier and Jakobshavn glacier) in response to 20th ...
DANIELE PEANO, FLORENCE COLLEONI, AURÉLIEN QUIQUET, SIMONA MASINA   +3 more
doaj   +1 more source

Modelling landscape evolution under ice sheets [PDF]

Geomorphology, 2008
We use an ice sheet model (GLIMMER) with an erosion component to examine the evolution of landscapes under ice sheets over long time scales in hypothetical situations. GLIMMER is a fully coupled thermomechanical 3-dimensional ice sheet model with a sliding component.
Jamieson, S.S.R., Hulton, N.R.J., Hagdorn, M.   +2 more
openaire   +4 more sources

A high resolution record of Greenland mass balance [PDF]

, 2016
We map recent Greenland Ice Sheet elevation change at high spatial (5-km) and temporal (monthly) resolution using CryoSat-2 altimetry. After correcting for the impact of changing snowpack properties associated with unprecedented surface melting in 2012 ...
Armitage, Thomas, Briggs, Kate, Gilbert, Lin, Groh, Andreas, Hogg, Anna, Horwath, M., Kuipers Munneke, P., Leeson, Amber, Ligtenberg, S.R.M., Marine and Atmospheric Research, McMillan, Malcolm, Muir, A., Noël, B.P.Y., Shepherd, Andrew, Sub Dynamics Meteorology, van de Berg, W.J., van den Broeke, M.R.   +16 more
core   +4 more sources

Evaluating an accelerated forcing approach for improving computational efficiency in coupled ice sheet–ocean modelling [PDF]

Geoscientific Model Development
Coupled ice sheet–ocean models are increasingly being developed and applied to important questions pertaining to processes at the Greenland and Antarctic Ice Sheet margins, which play a pivotal role in ice sheet stability and sea level rise projections.
Q. Zhou, C. Zhao, R. Gladstone, T. Hattermann, T. Hattermann, D. Gwyther, B. Galton-Fenzi, B. Galton-Fenzi, B. Galton-Fenzi   +8 more
doaj   +1 more source

The Glimmer community ice sheet model [PDF]

Journal of Geophysical Research: Earth Surface, 2009
We present a detailed description of the Glimmer ice sheet model, comprising the physics represented in the model and the numerical techniques used. Established methods are combined with good software design to yield an adaptable and widely applicable model. A flexible framework for coupling Glimmer to global climate forcing is also described.
Rutt, IC, M., Hagdorn, N.R.J., Hulton, Payne, AJ   +3 more
openaire   +4 more sources

The sensitivity of the Greenland Ice Sheet to glacial-interglacial oceanic forcing [PDF]

, 2018
Observations suggest that during the last decades the Greenland Ice Sheet (GrIS) has experienced a gradually accelerating mass loss, in part due to the observed speed-up of several of Greenland's marine-terminating glaciers.
Blasco, Javier, Montoya Redondo, María Luisa, Robinson, Alexander James, Tabone, Ilaria, Álvarez Solas, Jorge   +4 more
core   +2 more sources

ATF4‐mediated stress response as a therapeutic vulnerability in chordoma

Molecular Oncology, EarlyView.
We screened 5 chordoma cell lines against 100+ inhibitors of epigenetic and metabolic pathways and kinases and identified halofuginone, a tRNA synthetase inhibitor. Mechanistically halofuginone induces an integrated stress response, with eIF2alpha phosphorylation, activation of ATF4 and its target genes CHOP, ASNS, INHBE leading to cell death ...
Lucia Cottone, James Dunford, Eleanor Calcutt, Vicki Gamble, Filiz Senbabaoglu Aksu, Lorena Ligammari, Georgina Wherry, Giorgia Gaeta, John C. Christianson, Adrienne M. Flanagan, Udo Oppermann, Adam P. Cribbs   +11 more
wiley   +1 more source