Highly variable friction and slip observed at Antarctic ice stream bed

[1]  D. Macayeal,et al.  Bedforms of Thwaites Glacier, West Antarctica: Character and Origin , 2021, Journal of Geophysical Research: Earth Surface.

[2]  D. Rivet,et al.  Frictional Origin of Slip Events of the Whillans Ice Stream, Antarctica , 2021, Geophysical Research Letters.

[3]  F. Walter,et al.  Changing friction at the base of an Alpine glacier , 2021, Scientific Reports.

[4]  R. Abercrombie.  Resolution and uncertainties in estimates of earthquake stress drop and energy release , 2021, Philosophical Transactions of the Royal Society A.

[5]  T. Murray,et al.  Not all Icequakes are Created Equal: Basal Icequakes Suggest Diverse Bed Deformation Mechanisms at Rutford Ice Stream, West Antarctica , 2021, Journal of Geophysical Research: Earth Surface.

[6]  T. Bischoff,et al.  Data-Driven Inference of the Mechanics of Slip Along Glacier Beds Using Physics-Informed Neural Networks , 2021 .

[7]  T. Winder,et al.  QuakeMigrate v1.0.0 , 2021 .

[8]  T. Murray,et al.  Ice stream subglacial access for ice-sheet history and fast ice flow: the BEAMISH Project on Rutford Ice Stream, West Antarctica and initial results on basal conditions , 2020, Annals of Glaciology.

[9]  M. Haney,et al.  Stick‐Slip Tremor Beneath an Alpine Glacier , 2020, Geophysical Research Letters.

[10]  C. Marone,et al.  Application of Constitutive Friction Laws to Glacier Seismicity , 2020, Geophysical Research Letters.

[11]  G. Gudmundsson,et al.  A new approach to inferring basal drag and ice rheology in ice streams, with applications to West Antarctic Ice Streams , 2020, Journal of Glaciology.

[12]  S. Anandakrishnan,et al.  Basal seismicity of the Northeast Greenland Ice Stream , 2020, Journal of Glaciology.

[13]  A. Smith,et al.  Icequake Source Mechanisms for Studying Glacial Sliding , 2020, Journal of Geophysical Research: Earth Surface.

[14]  N. Iverson,et al.  A slip law for glaciers on deformable beds , 2020, Science.

[15]  W. Lipscomb,et al.  Results of the third Marine Ice Sheet Model Intercomparison Project (MISMIP+) , 2020, The Cryosphere.

[16]  B. Minchew,et al.  Dilation of subglacial sediment governs incipient surge motion in glaciers with deformable beds , 2020, Proceedings of the Royal Society A.

[17]  A. Rovelli,et al.  Stress Drop, Apparent Stress, and Radiation Efficiency of Clustered Earthquakes in the Nucleation Volume of the 6 April 2009, Mw 6.1 L'Aquila Earthquake , 2019, Journal of Geophysical Research: Solid Earth.

[18]  C. Nuth,et al.  Characterization of seasonal glacial seismicity from a single-station on-ice record at Holtedahlfonna, Svalbard , 2019, Annals of Glaciology.

[19]  T. Schuler,et al.  Rate-and-state friction explains glacier surge propagation , 2019, Nature Communications.

[20]  A. Rempel,et al.  Glacier sliding, seismicity and sediment entrainment , 2019, Annals of Glaciology.

[21]  R. White,et al.  Automated detection of basal icequakes and discrimination from surface crevassing , 2019, Annals of Glaciology.

[22]  B. Smith,et al.  Regularized Coulomb Friction Laws for Ice Sheet Sliding: Application to Pine Island Glacier, Antarctica , 2019, Geophysical research letters.

[23]  P. Segall,et al.  Crack Models of Repeating Earthquakes Predict Observed Moment‐Recurrence Scaling , 2018, Journal of Geophysical Research: Solid Earth.

[24]  Mathieu Morlighem,et al.  Exploration of Antarctic Ice Sheet 100-year contribution to sea level rise and associated model uncertainties using the ISSM framework , 2018, The Cryosphere.

[25]  Susan Y. Schwartz,et al.  Implications of basal micro-earthquakes and tremor for ice stream mechanics: Stick-slip basal sliding and till erosion , 2018 .

[26]  Brent Minchew,et al.  Tidally induced variations in vertical and horizontal motion on Rutford Ice Stream, West Antarctica, inferred from remotely sensed observations , 2017 .

[27]  S. Tulaczyk,et al.  Ice flow dynamics forced by water pressure variations in subglacial granular beds , 2016 .

[28]  R. Alley,et al.  Mechanical and hydrologic properties of Whillans Ice Stream till: Implications for basal strength and stick‐slip failure , 2016 .

[29]  A. Helmstetter,et al.  Meltwater influences on deep stick‐slip icequakes near the base of the Greenland Ice Sheet , 2016 .

[30]  Gaël Durand,et al.  Potential sea-level rise from Antarctic ice-sheet instability constrained by observations , 2015, Nature.

[31]  E. King,et al.  Subglacial landforms beneath Rutford Ice Stream, Antarctica: detailed bed topography from ice-penetrating radar , 2015 .

[32]  E. Dunham,et al.  Tremor during ice-stream stick slip , 2015 .

[33]  A. Smith,et al.  Mapping the ice‐bed interface characteristics of Rutford Ice Stream, West Antarctica, using microseismicity , 2015 .

[34]  J. Green,et al.  Temporal variations in the flow of a large Antarctic ice stream controlled by tidally induced changes in the subglacial water system , 2015 .

[35]  A. Thompson,et al.  Marine ice-sheet profiles and stability under Coulomb basal conditions , 2015 .

[36]  Peter M. Shearer,et al.  Variability of seismic source spectra, estimated stress drop, and radiated energy, derived from cohesive‐zone models of symmetrical and asymmetrical circular and elliptical ruptures , 2015 .

[37]  P. Shearer,et al.  Seismic source spectra and estimated stress drop derived from cohesive-zone models of circular subshear rupture , 2014 .

[38]  R. Alley,et al.  The effects of entrained debris on the basal sliding stability of a glacier , 2013 .

[39]  Sridhar Anandakrishnan,et al.  Accelerated subglacial erosion in response to stick-slip motion , 2013 .

[40]  R. Alley,et al.  Nucleation and seismic tremor associated with the glacial earthquakes of Whillans Ice Stream, Antarctica , 2013 .

[41]  Bo Sun,et al.  Bedmap2: improved ice bed, surface and thickness datasets for Antarctica , 2012 .

[42]  R. Alley,et al.  Motion of an Antarctic glacier by repeated tidally modulated earthquakes , 2012 .

[43]  Sridhar Anandakrishnan,et al.  Seismic attenuation in glacial ice: A proxy for englacial temperature , 2012 .

[44]  B. Scheuchl,et al.  Ice Flow of the Antarctic Ice Sheet , 2011, Science.

[45]  Ifan G. Hughes,et al.  Measurements and their Uncertainties: A practical guide to modern error analysis , 2010 .

[46]  Eric Rignot,et al.  Spatial patterns of basal drag inferred using control methods from a full‐Stokes and simpler models for Pine Island Glacier, West Antarctica , 2010 .

[47]  T. Murray,et al.  Bedform topography and basal conditions beneath a fast-flowing West Antarctic ice stream , 2009 .

[48]  Matt A. King,et al.  Basal mechanics of ice streams: Insights from the stick‐slip motion of Whillans Ice Stream, West Antarctica , 2009 .

[49]  N. Lapusta,et al.  Scaling of small repeating earthquakes explained by interaction of seismic and aseismic slip in a rate and state fault model , 2009 .

[50]  Sridhar Anandakrishnan,et al.  Simultaneous teleseismic and geodetic observations of the stick–slip motion of an Antarctic ice stream , 2008, Nature.

[51]  A. Smith,et al.  Microearthquakes and subglacial conditions , 2006 .

[52]  Shin Sugiyama,et al.  Short-term variations in glacier flow controlled by subglacial water pressure at Lauteraargletscher, Bernese Alps, Switzerland , 2004, Journal of Glaciology.

[53]  Matt A. King,et al.  Tidally Controlled Stick-Slip Discharge of a West Antarctic Ice , 2003, Science.

[54]  R. Einspanier,et al.  Supplementary , 2002 .

[55]  J. Rice,et al.  Rate and state dependent friction and the stability of sliding between elastically deformable solids , 2001 .

[56]  J. Rice,et al.  Elastodynamic analysis for slow tectonic loading with spontaneous rupture episodes on faults with rate‐ and state‐dependent friction , 2000 .

[57]  M. Truffer,et al.  Glacier motion dominated by processes deep in underlying till , 2000 .

[58]  Hermann Engelhardt,et al.  Basal mechanics of Ice Stream B, west Antarctica: 1. Till mechanics , 2000 .

[59]  C. Scholz.  Earthquakes and friction laws , 1998, Nature.

[60]  J. Dieterich.  Earthquake nucleation on faults with rate-and state-dependent strength , 1992 .

[61]  D. Lockner,et al.  Fault stability inferred from granite sliding experiments at hydrothermal conditions , 1991 .

[62]  Richard B. Nelson,et al.  Modelling the elastic behaviour of granular materials , 1987 .

[63]  R. Alley,et al.  Till beneath ice stream B: 1. Properties derived from seismic travel times , 1987 .

[64]  A. Ruina.  Slip instability and state variable friction laws , 1983 .

[65]  Robin K. McGuire,et al.  The character of high-frequency strong ground motion , 1981 .

[66]  J. Dieterich.  Time-dependent friction and the mechanics of stick-slip , 1978 .

[67]  R. Madariaga.  Dynamics of an expanding circular fault , 1976, Bulletin of the Seismological Society of America.

[68]  J. Brune.  Tectonic stress and the spectra of seismic shear waves from earthquakes , 1970 .

[69]  J. D. Eshelby.  The determination of the elastic field of an ellipsoidal inclusion, and related problems , 1957, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences.

[70]  Martin Funk,et al.  Basal icequakes during changing subglacial water pressures beneath Gornergletscher, Switzerland , 2008, Journal of Glaciology.

[71]  Peter Styles,et al.  Seismic emissions from a surging glacier: Bakaninbreen, Svalbard , 2005, Annals of Glaciology.

[72]  Frank Scherbaum,et al.  Evidence for deep icequakes in an Alpine glacier , 2000, Annals of Glaciology.

[73]  P. Jansson,et al.  Coupling between a glacier and a soft bed: I. A relation between effective pressure and local shear stress determined from till elasticity , 1999, Journal of Glaciology.

[74]  Barclay Kamb,et al.  Basal sliding of Ice Stream B, West Antarctica , 1998, Journal of Glaciology.

[75]  R. Alley,et al.  Ice Stream C, Antarctica, sticky spots detected by microearthquake monitoring , 1994, Annals of Glaciology.

[76]  Sridhar Anandakrishnan,et al.  Micro-earthquakes beneath Ice Streams Β and C, West Antarctica: observations and implications , 1993, Journal of Glaciology.

[77]  R. Bindschadler.  The Importance of Pressurized Subglacial Water in Separation and Sliding at the Glacier Bed , 1983, Journal of Glaciology.