Items where NERC Author is "Gudmundsson, Hilmar"

Publication - Article

Gudmundsson, G.H.. 2013 Ice-shelf buttressing and the stability of marine ice sheets. The Cryosphere, 7 (2). 647-655. 10.5194/tc-7-647-2013

De Rydt, J.; Gudmundsson, G.H.; Corr, H.F.J.; Christoffersen, P.. 2013 Surface undulations of Antarctic ice streams tightly controlled by bedrock topography. Cryosphere, 7. 407-417. 10.5194/tc-7-407-2013

Makinson, Keith; King, Matt A.; Nicholls, Keith W.; Gudmundsson, G. Hilmar. 2012 Diurnal and semidiurnal tide-induced lateral movement of Ronne Ice Shelf, Antarctica. Geophysical Research Letters, 39, L10501. 5, pp. 10.1029/2012GL051636

Martin, Carlos; Gudmundsson, G. Hilmar. 2012 Effects of nonlinear rheology, temperature and anisotropy on the relationship between age and depth at ice divides. The Cryosphere, 6 (5). 1221-1229. 10.5194/tc-6-1221-2012

Glasser, N. F.; Gudmundsson, G. H.. 2012 Longitudinal surface structures (flowstripes) on Antarctic glaciers. The Cryosphere, 6 (2). 383-391. 10.5194/tc-6-383-2012

Pattyn, F.; Schoof, C.; Perichon, L.; Hindmarsh, R.C.A.; Bueler, E.; de Fleurian, B.; Durand, G.; Gagliardini, O.; Gladstone, R.; Goldberg, D.; Gudmundsson, G.H.; Huybrechts, P.; Lee, V.; Nick, F.M.; Payne, A.J.; Pollard, D.; Rybak, O.; Saito, F.; Vieli, A.. 2012 Results of the Marine Ice Sheet Model Intercomparison Project, MISMIP. The Cryosphere, 6 (3). 573-588. 10.5194/tc-6-573-2012

Vaughan, David G.; Corr, Hugh F. J.; Bindschadler, Robert A.; Dutrieux, Pierre; Gudmundsson, G. Hilmar; Jenkins, Adrian; Newman, Thomas; Vornberger, Patricia; Wingham, Duncan J.. 2012 Subglacial melt channels and fracture in the floating part of Pine Island Glacier, Antarctica. Journal of Geophysical Research (Earth Surface), 17 (F03012). 10, pp. 10.1029/2012JF002360

Gudmundsson, G.H.; Krug, J.; Durand, G.; Favier, L.; Gagliardini, O.. 2012 The stability of grounding lines on retrograde slopes. Cryosphere, 6 (6). 1497-1505. 10.5194/tc-6-1497-2012

Raymond Pralong, Melanie; Gudmundsson, G. Hilmar. 2011 Bayesian estimation of basal conditions on Rutford Ice Stream, West Antarctica, from surface data. Journal of Glaciology, 57 (202). 315-324.

Gudmundsson, G.H.. 2011 Ice-stream response to ocean tides and the form of the basal sliding law. The Cryosphere, 5 (1). 259-270. 10.5194/tc-5-259-2011

King, Matt A.; Makinson, Keith; Gudmundsson, G. Hilmar. 2011 Nonlinear interaction between ocean tides and the Larsen C Ice Shelf system. Geophysical Research Letters, 38 (8), L08501. 5, pp. 10.1029/2011GL046680

King, Matt A.; Padman, Laurie; Nicholls, Keith; Clarke, Peter J.; Gudmundsson, G. Hilmar; Kulessa, Bernd; Shepherd, Andrew. 2011 Ocean tides in the Weddell Sea: New observations on the Filchner-Ronne and Larsen C ice shelves and model validation. Journal of Geophysical Research, 116 (C6), C06006. 18, pp. 10.1029/2011JC006949

Arthern, Robert J.; Gudmundsson, Hilmar. 2010 Initialization of ice-sheet forecasts viewed as an inverse Robin problem. Journal of Glaciology, 56 (197). 527-533.

Leysinger Vieli, G. J.-M. C.; Gudmundsson, G. Hilmar. 2010 A numerical study of glacier advance over deforming till. Cryosphere, 4 (3). 359-372. 10.5194/tc-4-359-2010

Raymond, M.J.; Gudmundsson, G.H.. 2009 Estimating basal properties of ice streams from surface measurements: a non-linear Bayesian inverse approach applied to synthetic data. Cryosphere, 3 (2). 265-278. 10.5194/tc-3-265-2009

Gudmundsson, G.H.; Jenkins, A.. 2009 Ice-flow velocities on Rutford Ice Stream, West Antarctica, are stable over decadal timescales. Journal of Glaciology, 55 (190). 339-344. 10.3189/002214309788608697

Scott, Julian; Gudmundsson, Hilmar; Smith, Andrew; Bingham, Robert; Pritchard, Hamish; Vaughan, David. 2009 Increased rate of acceleration on Pine Island Glacier strongly coupled to changes in gravitational driving stress. The Cryosphere, 3. 125-131. 10.5194/tc-3-125-2009

Martin, Carlos; Gudmundsson, G. Hilmar; Pritchard, Hamish D.; Gagliardini, Olivier. 2009 On the effects of anisotropic rheology on ice flow, internal structure, and the age-depth relationship at ice divides. Journal of Geophysical Research, 114 (A4), F04001. 18, pp. 10.1029/2008JF001204

Gudmundsson, G.H.. 2008 Analytical solutions for the surface response to small amplitude perturbations in boundary data in the shallow-ice-stream approximation. Cryosphere, 2 (2). 77-93. 10.5194/tc-2-77-2008

Pattyn, F.; Perichon, L.; Ashwanden, A.; Breuer, B.; de Smedt, B.; Gagliardini, O.; Gudmundsson, G. Hilmar; Hindmarsh, Richard C.A.; Hubbard, A.; Johnson, J.V.; Kleiner, T.; Konovalov, Y.; Martin, C.; Payne, A.J.; Pollard, D.; Price, S.; Rückamp, M.; Saito, F.; Souček, O.; Sugiyama, S.; Zwinger, T.. 2008 Benchmark experiments for higher-order and full-Stokes ice sheet models (ISMIP-HOM). The Cryosphere, 2 (2). 95-108. 10.5194/tcd-2-111-2008

Gudmundsson, G.H.; Raymond, M.. 2008 On the limit to resolution and information on basal properties obtainable from surface data on ice streams. Cryosphere, 2 (2). 167-178. 10.5194/tc-2-167-2008

Gudmundsson, G. Hilmar. 2007 Tides and the flow of Rutford Ice Stream, West Antarctica. Journal of Geophysical Research, 122 (F4), F04007. 8, pp. 10.1029/2006JF000731

Hindmarsh, Richard C.A.; Leysinger Vieli, Gwendolyn J.-M.C.; Raymond, Melanie J.; Gudmundsson, G. Hilmar. 2006 Draping or overriding: the effect of horizontal stress gradients on internal layer architecture in ice sheets. Journal of Geophysical Research, 111 (F2), F02018. 17, pp. doi 10.1029/2005JF000309

Gudmundsson, G. Hilmar. 2006 Fortnightly variations in the flow velocity of Rutford Ice Stream, West Antarctica. Nature, 444 (7122). 1063-1064. 10.1038/nature05430

Raymond, M.J.; Gudmundsson, G.H.. 2005 On the relationship between surface and basal properties on glaciers, ice sheets, and ice streams. Journal of Geophysical Research, 110 (B8), B08411. 17, pp. 10.1029/2005JB003681

Aðalgeirsdóttir, G.; Gudmundsson, G.; Björnsson, H.. 2005 Volume sensitivity of Vatnajökull Ice Cap, Iceland, to perturbations in equilibrium line altitude. Journal of Geophysical Research, 110 (F4), F04001. 9, pp. 10.1029/2005JF000289

Schuler, T.; Fischer, U.; Gudmundsson, G.H.. 2004 Diurnal variability of subglacial drainage conditions as revealed by tracer experiments. Journal of Geophysical Research, 109 (F2), F02008. 13, pp. 10.1029/2003JF000082

Leysinger Vieli, G.J.-M.C.; Gudmundsson, G.H.. 2004 On estimating length fluctuations of glaciers caused by changes in climatic forcing. Journal of Geophysical Research, 109 (F1), F01007. 14, pp. 10.1029/2003JF000027

Sugiyama, Shin; Gudmundsson, G. Hilmar. 2004 Short-term variations in glacier flow controlled by subglacial water pressure at Lauteraargletscher, Bernese Alps, Switzerland. Journal of Glaciology, 50 (170). 353-362. 10.3189/172756504781829846

Sugiyama, Shin; Gudmundsson, G. Hilmar. 2003 Diurnal variations in vertical strain observed in a temperate valley glacier. Geophysical Research Letters, 30 (2), 1090. 4, pp. 10.1029/2002GL016160

Sugiyama, Shin; Gudmundsson, G. Hilmar; Helbing, Jakob. 2003 Numerical investigation of the effects of temporal variations in basal lubrication on englacial strain-rate distribution. Annals of Glaciology, 37 (1). 49-54. 10.3189/172756403781815618

Gudmundsson, G. Hilmar; Aðalgeirsdóttir, Gudfinna; Björnsson, Helgi. 2003 Observational verification of predicted increase in bedrock-to-surface amplitude transfer during a glacier surge. Annals of Glaciology, 36. 91-96. /10.3189/172756403781816248

Gudmundsson, G. Hilmar. 2003 Transmission of basal variability to a glacier surface. Journal of Geophysical Research, 108 (B5), 2253. 19, pp. 10.1029/2002JB002107

Bauder, Andreas; Funk, Martin; Gudmundsson, G. Hilmar. 2003 The ice-thickness distribution of Unteraargletscher, Switzerland. Annals of Glaciology, 37. 331-336. 10.3189/172756403781815852

Adalgeirsdóttir, Gudfinna; Gudmundsson, G.Hilmar; Björnsson, Helgi. 2003 A regression model for the mass-balance distribution of the Vatnajokull ice cap, Iceland. Annals of Glaciology, 37. 189-193. 10.3189/172756403781815447

Gudmundsson, G. Hilmar. 2002 Observations of a reversal in vertical and horizontal strain-rate regime during a motion event on Unteraargletscher, Bernese Alps, Switzerland. Journal of Glaciology, 48 (163). 566-574. 10.3189/172756502781831043

Publication - Book Section

Gudmundsson, G.Hilmar. 2011 Inverse methods in glaciology. In: Singh, Vijay P.; Singh, Pratap; Haritashya, Umesh K., (eds.) Encylopedia of snow, ice and glaciers. Dordrecht, Springer, 653-656.

Dach, R.; Beutler, G.; Gudmundsson, G.H.. 2008 Analysis of GPS data from an Antarctic ice stream. In: Sideris, Michael G., (ed.) Observing our changing Earth. Berlin, Springer, 569-579. (International Association of Geodesy Symposia, 133, 133).

Gudmundsson, G. Hilmar. 2006 Estimating basal properties of glaciers from surface measurements. In: Knight, Peter G., (ed.) Glacial science and environmental change. Oxford, Blackwell, 415-417.

Key Findings

Gudmundsson, Hilmar. An Aircraft-Deployable GPS Stake Network for Antarctic Glaciers. [Key Findings]

Impact (Summary)

Gudmundsson, Hilmar; Blake, David; Robinson, Carl; Jones, David. 2012 An aircraft deployable GPS stake network for Antarctic glaciers. [Impact (Summary)]

Gudmundsson, Hilmar. 2012 The stability of grounding lines on retrograde slopes. [Impact (Summary)]