Results 71 to 80 of about 95,350 (324)

Missing sea level rise in southeastern Greenland during and since the Little Ice Age [PDF]

Climate of the Past, 2023
The Greenland Ice Sheet has been losing mass at an accelerating rate over the past 2 decades. Understanding ice mass and glacier changes during the preceding several hundred years prior to geodetic measurements is more difficult because evidence of past ...
S. A. Woodroffe, L. M. Wake, K. K. Kjeldsen, N. L. M. Barlow, A. J. Long, K. H. Kjær   +5 more
doaj   +1 more source

Recent Progress in Greenland Ice Sheet Modelling. [PDF]

Curr Clim Change Rep, 2017
This paper reviews the recent literature on numerical modelling of the dynamics of the Greenland ice sheet with the goal of providing an overview of advancements and to highlight important directions of future research. In particular, the review is focused on large-scale modelling of the ice sheet, including future projections, model parameterisations,
Goelzer H, Robinson A, Seroussi H, van de Wal RSW.   +3 more
europepmc   +9 more sources

The cryoconite ecosystem on the Greenland ice sheet [PDF]

Annals of Glaciology, 2010
AbstractThis paper presents an assessment of biological activity associated with ice surface debris (cryoconite) at the ice-sheet scale. Estimates of the mass distribution of cryoconite over the Greenland ice sheet (GIS) and the biological activity associated with it are presented and then coupled with a surface mass-balance model to estimate total ...
A. Hodson, C. Boggild, Edward Hanna, P. Huybrechts, H. Langford, K. Cameron, A. Houldsworth   +6 more
openaire   +3 more sources

An assessment of key model parametric uncertainties in projections of Greenland Ice Sheet behavior [PDF]

, 2012
Lack of knowledge about the values of ice sheet model input parameters introduces substantial uncertainty into projections of Greenland Ice Sheet contributions to future sea level rise.
Applegate, P. J., Greve, R., Keller, K., Kirchner, N., Stone, EJ   +4 more
core   +2 more sources

Greenland ice sheet contribution to sea level rise during the last interglacial period: a modelling study driven and constrained by ice core data [PDF]

Climate of the Past, 2013
As pointed out by the forth assessment report of the Intergovernmental Panel on Climate Change, IPCC-AR4 (Meehl et al., 2007), the contribution of the two major ice sheets, Antarctica and Greenland, to global sea level rise, is a subject of key ...
A. Quiquet, C. Ritz, H. J. Punge, D. Salas y Mélia   +3 more
doaj   +1 more source

Microbial nitrogen cycling on the Greenland Ice Sheet [PDF]

Biogeosciences, 2011
Abstract. Microbial nitrogen cycling was investigated along a 79 km transect into the Greenland Ice Sheet (GrIS) in early August 2010. The depletion of dissolved nitrate and production of ammonium (relative to icemelt) in cryoconite holes within 7.5 km of the ice sheet margin suggested microbial uptake and ammonification respectively. Nitrogen fixation
Telling, Jon P, Stibal, Marek, Anesio, Alexandre M, Tranter, Martyn, Nias, Isabel, Cook, Joe, Bellas, Christopher M, Lis, G., Wadham, Jemma L, Sole, A., Nienow, P., Hodson, A.   +11 more
openaire   +6 more sources

The effect of a Holocene climatic optimum on the evolution of the Greenland ice sheet during the last 10 kyr

Journal of Glaciology, 2018
The Holocene climatic optimum was a period 8–5 kyr ago when annual mean surface temperatures in Greenland were 2–3°C warmer than present-day values. However, this warming left little imprint on commonly used temperature proxies often used to derive the ...
LISBETH T. NIELSEN, GUðFINNA AÐALGEIRSDÓTTIR, VASILEIOS GKINIS, ROMAN NUTERMAN, CHRISTINE S. HVIDBERG   +4 more
doaj   +1 more source

Mass balance of the Greenland and Antarctic ice sheets from 1992 to 2020

Earth System Science Data, 2023
. Ice losses from the Greenland and Antarctic ice sheets have accelerated since the 1990s, accounting for a significant increase in the global mean sea level.
Inès N. Otosaka, A. Shepherd, E. Ivins, N. Schlegel, C. Amory, M. R. van den Broeke, M. Horwath, I. Joughin, M. King, G. Krinner, S. Nowicki, A. Payne, E. Rignot, T. Scambos, K. Simon, Ben E. Smith, L. Sørensen, I. Velicogna, P. Whitehouse, G. A, Cécile Agosta, A. Ahlstrøm, A. Blazquez, W. Colgan, M. Engdahl, X. Fettweis, R. Forsberg, H. Gallee, A. Gardner, Lin Gilbert, N. Gourmelen, A. Groh, B. Gunter, C. Harig, V. Helm, S. Khan, C. Kittel, H. Konrad, P. Langen, B. Lecavalier, Chia-Chun Liang, B. Loomis, M. McMillan, D. Melini, S. Mernild, R. Mottram, J. Mouginot, J. Nilsson, B. Noël, Mark E. Pattle, W. Peltier, N. Pie, M. Roca, I. Sasgen, H. Save, K. Seo, B. Scheuchl, E. Schrama, L. Schröder, S. Simonsen, T. Slater, G. Spada, T. Sutterley, B. Vishwakarma, J. M. van Wessem, D. Wiese, W. van der Wal, B. Wouters   +67 more
semanticscholar   +1 more source

Subglacial lake drainage detected beneath the Greenland ice sheet [PDF]

, 2015
The contribution of the Greenland ice sheet to sea-level rise has accelerated in recent decades. Subglacial lake drainage events can induce an ice sheet dynamic response—a process that has been observed in Antarctica, but not yet in Greenland, where the ...
A Shepherd, A Shepherd, A Sole, AJ Tedstone, AV Sundal, BE Smith, BR Parizek, C Schoof, DJ Wingham, E Hanna, E Rignot, F Walter, HJ Zwally, I Joughin, I Sasgen, ID Bartholomew, IM Howat, IM Howat, JF Nye, K Steffen, LA Stearns, LC Smith, M McMillan, M Morlighem, M Siegfried, M Tedesco, MJ Hoffman, MR van den Broeke, OV Sergienko, RL Shreve, RM Goldstein, RSW van de Wal, S Palmer, SB Das, SH Mernild, SJ Palmer, T Flament, TL Mote, V Chu, W Abdalati   +39 more
core   +1 more source

NorthGreen: unlocking records from sea to land in Northeast Greenland [PDF]

Scientific Drilling
The increasing anthropogenic CO2 forcing of the climate system calls for a better understanding of how polar ice sheets may respond to accelerating global warming.
L. F. Pérez, P. C. Knutz, J. R. Hopper, M.-S. Seidenkrantz, M. O'Regan, S. Jones   +5 more
doaj   +1 more source