previous
Schedule Autumn 2021.
| 12/8 | Ann-Sofie Zinck (IMAU, UU): “Exploring the cryosphere using the Google Earth Engine”. |
| 19/8 | Christine Hvidberg: presentation of Sellevold and Vizcaino (2021, GRL): “First application of articial neural networks to estimate 21st century Greenland ice sheet surface melt” |
| 26/8 | Aslak Grinsted: Presentation of picking tool for digitizing various data. |
| 2/9 | Clothilde Michelet (DMI/Toulouse): Presentation of PISM summer project on ice-ocean interactions. |
| 9/9 | Group discussion on PISM modelling |
| 16/9 | No meeting |
| 23/9 | Mikkel Lauritzen: presentation of Aschwanden et al. 2013. |
| 30/9 | Visit by Andy Aschwanden - special program |
| 7/10 | No meeting |
| 14/10 | Anne Solgaard and Dina Rapp: presentation of Vijay et al. 2019 |
| 21/10 | Autumn holiday, no meeting |
| 28/10 | Nicholas Rathmann:"Deriving Glen's flow law from plastic potential theory" (room 008) |
| 4/11 | No meeting |
| 11/11 | Informal group meeting |
| 18/11 | EGRIP SC meetings |
| 25/11 | Steven Franke (AWI): Paleo-ice stream signatures in Greenland radar. |
| 2/12 | Nicholas Rathmann: “A one-dimensional polarimetric radar model for polycrystalline ice”. |
| 9/12 | Tamara Gerber: update of her ongoing work with radar modelling. |
| 16/12 | Informal group meeting + overview of upcoming conferences |
| 23/12 | Christmas holiday |
| 30/12 | Christmas holiday |
Schedule Spring 2021. Themes: Glaciology. Ice flow. Surface mass balance. Ice in the climate system.
| 7/1 | Happy New Year! Start up meeting and updates |
| 14/1 | Ann-Sofie Zinck: Update from surface roughness study in Greenland. |
| 21/1 | Nicholas Rathmann: Consequence of assuming isotropic ice when inverting for basal drag. |
| 28/1 | Sebastian Simonsen: Greenland Ice Sheet mass balance (1992-2020) from calibrated radar altimetry (new paper in GRL 2021) |
| 4/2 | An informal discussion of current work |
| 11/2 | Vincent Verjans (Lancaster University): Uncertainty in East Antarctic firn thickness constrained using a model ensemble approach |
| 18/2 | An informal discussion of current work |
| 25/2 | David Lilien: presents Thermal controls on ice-stream shear margins by Hunter et al. (2021) |
| 4/3 | Dorthe Dahl-Jensen: two papers about seismic at EGRIP; Christianson et al. (2014): Dilatant till facilitates ice-stream flow in northeast Greenland and Riverman et al. (2019): Wet subglacial bedforms of the NE Greenland Ice Stream shear margins |
| 11/3 | Discussion of current work and updates + the new datasets QGreenland & Qantarctica (Aslak Grinsted) |
| 18/3 | Christine Hvidberg: presents a new paper by Fahrner et al. |
| 25/3 | Hiking trip to Dyrehaven |
| 1/4 | Easter |
| 8/4 | Christine Hvidberg: update on rover building |
| 15/4 | An informal discussion of current work |
| 22/4 | EGU presentations by Tamara Gerber (NBI) and Julien Westhoff (NBI) |
| 29/4 |
Christine Hvidberg: presents Complex multi-decadal ice dynamical change inland of marine-terminating glaciers on the Greenland Ice Sheet by Williams et al. (2021) |
| 6/5 | Anders Bjørk (Geosciences and Natural Resource Management, KU): "Luft – Antarctic Imagery Resurfaced" (a Villum young investigator project) |
| 13/5 | Ascencion |
| 20/5 | Laurent Lindpointer (DMI/NBI): "Comparison of Greenland ice-sheet surface mass balance as calculated by EC-Earth 3 and CISSEMBEL energy balance model". |
| 27/5 | Informal discussions of ongoing work |
| 3/6 | Christine Hvidberg: discussion of Gowan et al. 2016 and 2021 |
| 10/6 | Nicholas Rathmann: Can mechanical anisotropies be isotropically compensated for using a simple enhancement factor? |
| 17/6 | informal discussions of ongoing work |
| 24/6 |
21/6: Excursion 24/6: Discussion of Bassis et al. 2021: "Transition to marine ice cliff instability controlled by ice thickness gradients and velocity" Links: article and perspectives article OBS time is shifted to be 10-11 |
| 1/7 | Dina Rapp: Seasonal variations in ice velocity in Greenland (midterm colloquium) |
| 8/7 | Summer vacation |
Schedule Autumn 2020. Themes: Glaciology. Ice flow. Surface mass balance. Ice in the climate system.
| 20/8 | Start up meeting - report from current work |
| 27/8 | David Lillien: anistropic ice flow modelling of an ice stream |
| 3/9 | cancelled du to travel |
| 10/9 | discussion on anisotropy and ice flow (Nicholas and David) |
| 17/9 | Øyvind A. Winton (DTU, GEUS): Inversion for basal conditions at Hagen Bræ, North Greenland. |
| 24/9 | Nicholas Rathmann: Polycrystalline directional enhancement-factors given a nonlinear grain rheology. |
| 1/10 | Guest speaker: Tun Jan Young (UCambridge): shear margins and fabric on Thwaites Glacier |
| 8/10 | Christine Hvidberg: presentation of Briner et al. 2020 and discussion. |
| 15/10 | No meeting (school holiday) |
| 22/10 | Group meeting and discussion |
| 29/10 | OBS new time 16:00 CET: Guest speaker: Jessica Badgeley (UW): title tba |
| 5/11 | No meeting due to exams |
| 12/11 | International Glaciological Society Nordic Branch meeting 2020, 11-13/11 - NIGS2020 |
| 19/11 | Christine Hvidberg: presentation of Moon et al. 2020 and discussion |
| 26/11 | Updates of current work and group discussions. |
| 3/12 | Iceflow meeting and presentation by Nicholas Rathmann: Autonomous detection of crystal boundaries. |
| 10/12 | Nanna Karlsson (GEUS): TBD |
| 17/12 | Ruth Mottram (DMI): Recent advances in SMB modelling. |
| 24/12 | Christmas holiday |
| 31/12 | Christmas holiday |
| 7/1 | First meeting in 2021. Cancelled: Greenland ice sheet seminar at DTU |
Schedule Spring 2020. Themes: Glaciology and ice flow, Surface mass balance, Climate modeling, Ice sheet flow and evolution.
| 9/1 | Greenland ice sheet seminar at NBI |
| 16/1 | Coffee and figure at PICE |
| 23/1 | Tamara Gerber (PICE): presentation of Elsworth et al. 2019 |
| 30/1 | Cancelled due to travel |
| 6/2 | Workshop postponed to next week |
| 10-11/2 | Workshop on shear margins on 10-11 Feb. Seminar on Tuesday 11/2 11-12: Daniela Jansen (AWI): Radar mapping of the bedrock and layering in NEGIS |
| 20/2 | No meeting |
| 27/2 | No meeting |
| 5/3 | Pastry and Plots on La Esquina" from 9-10. Address: Ryesgade 76, 2100 København. |
| 12/3 | No meeting |
| 19/3 | Christine Hvidberg (PICE): presentation of paper by Nick et al.: Future sea level rise from Greenlands outlet glaciers. |
| 26/3 | Nicholas Rathmann (PICE): "Numerical experiments with a bending ice shelf in FEniCS" |
| 2/4 | Falk Oraschewski (PICE): "Modeling Firn Densification in the presence of Horizontal Strains". |
| 9/4 | No meeting due to Easter |
| 16/4 | Nanna Karlsson (GEUS):”radar-derived accumulation rates”. |
| 23/4 | Signe Hillerup Larsen (GEUS): "Dynamics of Upernavik Isstrøm – Controlling mechanisms of ice stream flow." |
| 30/4 | Flor Vermassen (GEUS/Stockholm): "Investigating ice-ocean interactions at Upernavik Isstrøm from a sediment perspective" |
| 7/5 | Søren Rysgaard (AU): “An updated view on water masses on the pan-West Greenland continental shelf and their link to proglacial fjords.” |
| 14/5 | Christine Hvidberg (CIC): presentation of paper by Velicogna et al. (2020) |
| 21/5 | No meeting due to holiday |
| 28/5 | Ann-Sofie Priergaard Zinck (PICE): "Ice velocities and thickness of the Mueller ice cap" |
| 4/6 | Virtual coffee and figures meeting |
| 9/6 + 11/6 | NOTICE time and date Tuesday 15:00: Lizz Ultee (MIT): "An upper bound on 21st century outlet glacier retreat." (GOTO meeting link) Thursday 15:00: Jean-Louis Tison (ULB, Belgium): "Camp Century: A new window peeking into the deglaciation cycles history of the Greenland Ice Sheet." (GOTO meeting link) |
| 17/6 | Notice moved to Wednesday - informal journal club group meeting |
| 25/6 | Nicholas Rathmann: Grain size dependent flow law for ice |
| 2/7 | Summer vacation until mid-August |
| 13/8 | First meeting after summer |
Schedule Autumn 2019. Themes: Ice streams, Surface mass balance, Ice sheet flow and evolution.
| 22/8 | Nicholas Rathman: A new approach to modelling the evolution of c-axis fabrics in terms of orientation distribution functions. |
| 29/8 | OBS seminar at GEUS at 12: Winnie Chu (Stanford): Merging radar with models: Getting new geophysical insights into the subsurface system of ice sheets. Please see mail from Nanna for further information. |
| 5/9 | David Lillien: Modeling crystal fabric upstream of EastGRIP. |
| 12/9 | Christine Hvidberg & Signe H. Larsen: discussion of PISM/Ua - limitations and advantages for outlet glaciers |
| 19/9 | No meeting |
| 26/9 | ICAT Phd school - no meeting |
| 3/10 | Christine Hvidberg: Discussion of Bassis et al. 2017 |
| 10/10 | No meeting |
| 17/10 | Holidays - no meeting |
| 24/10 | Nanna Karlsson and Anne Solgaard (GEUS): Hagen glacier dynamics |
| 31/10 | Nicholas Rathmann: presentation of paper by Benn et al. 2019 |
| 7/11 | Exam - no meeting |
| 14/11 | EastGRIP Steering Committee - no meeting |
| 21/11 | Reports from EGRIP SC meeting presentations (flow, stratigraphy etc) |
| 28/11 | Shuting Yang and Marianne S. Madsen (DMI): A first glance of the CMIP6 experiments |
| 5/12 | Ruth Mottram (DMI): update from current work |
| 12/12 | Christine Hvidberg: Firn modelling and paper by Alexander et al. 2019 |
| 19/12 | Dorthe Dahl-Jensen: Report from the site selection of the new BEOI ice core drilling, Antarctica. |
| Christmas | |
| 9/1 | Greenland Ice Sheet Seminar at NBI, Tagensvej 16. |
Schedule Spring 2019. Themes: Ice streams, Surface mass balance, Ice sheet flow and evolution.
| 3/1 | - |
| 10/1 | Greenland Ice Sheet Seminar at DMI |
| 17/10 | Ann-Sofie Prier Zinck (GEUS/NBI): Work on Hagen glacier, North Greeenland. |
| 24/10 | Nanna B. Karlsson: Presentation and discussion of paper by Yu et al. 2018. |
| 31/10 | Group meeting 9-10 at DMI jointly with the Ice2ice meeting (presentations by Ruth Mottram, Jens Hesselbjerg Christensen, Martin Olesen |
| 7/2 | Ruth Mottram (DMI): Peterman glacier revisited |
| 14/2 | No meeting |
| 21/2 | No meeting |
| 28/2 | Aslak Grinsted (NBI): the brick model by Wong et al. 2017. |
| 7/3 | Anne Solgaard: paper by Andrés et al. 2018, JGlac.on ice-ocean interaction at Hansbreen, Svalbard |
| 14/3 | Christine Hvidberg: paper by Choi et al. 2018. on calving laws to model Greenland outlet glaciers. |
| 20/3 | OBS NOTICE MOVED to WEDNESDAY: Signe Gevik (DMI/NBI) Greenland Ice Sheet modelling: investigation of calving rates with the PISM model. Mid-term colloquium. |
| 28/3 | Group discussion |
| 4/4 | Workshop on basal ice from the Greenland ice sheet - ask for info |
| 11/4 | EGU - no meeting |
| 18/4 | Easter |
| 25/4 | Group discussions |
| 2/5 | Cancelled |
| 9/5 | Cancelled - Ice2ice project meeting in Norway |
| 16/5 | Ruth Mottram: Greenland SMB and topography |
| 23/5 | David Lillien: presentation of paper by Lilien et al 2018 |
| 30/5 | No meeting - Ascension |
| 6/6 | Christine Hvidberg: paper by Larsen at al. 2018 |
| 13/6 | Cancelled due to travel |
| 20/6 | Cancelled due to travel |
| 27/6 |
Signe Hillerup Larsen: Model study of Helheim glacier since 300 AD OBS Notice Friday 28/6 at 10: Signe Gevik MSc thesis defense: Greenland Ice Sheet modelling: A study of calving parametrisations |
| 4/7 | Summer vacation |
| 18/8 | First meeting after summer |
Schedule Autumn 2018. Themes: Ice streams, Surface mass balance, Ice sheet flow and evolution.
| 20/9 | Group discussion and planning meeting |
| 27/9 | Christine Hvidberg: presentation of Bons et al 2018. |
| 4/10 | Job Rosier (DMI): current work on the Peterman glacier. |
| 11/10 | Nikolaj Hansen (DMI/DTU): Antarctic SMB with DMI model. Notice Friday talk on 12/10 by Ryan Neely. |
| 18/10 | Cancelled due to autumn break |
| 25/11 | Christine Hvidberg: Interglacial variability of the Greenland ice sheet |
| 1/11 | Aslak Grinsted: New GPS processing tool |
| 8/11 | No meeting |
| 15/11 | Cancelled due to EastGRIP Steering Committee Meeting |
| 22/11 | Cancelled due to a proposal preparation meeting |
| 29/11 | Special schedule this week: Monday 26/11 10-11 - Ralf Greve (USapporo, Japan): Greenland geothermal heat flux. Monday 26/11 13-16 - Nicholas Rathmann: Non-linear fluid dynamics (Phd defence). Thursday 29/11 9-10: Julien Westhoff: First line-scan observations of the EastGRIP ice core (Weekly group meeting). Friday 30/11 13-14: Ed Waddington (UW, Seattle): Firn compaction and modelling. |
| 6/12 | William Colgan, GEUS: Investigations with a new melt-drill HotRod. |
| 12/12 | OBS moved to Wednesday 12/12, 9-10. Signe Gevik: presentation of Aschwanden et al 2016 + discussion of PISM model parameters for Greenland |
| 20/12 | |
| 27/12 | Christmas Holiday |
| 10/1 | First meeting after Christmas: Greenland Ice Sheet Seminar at DMI |
Schedule Spring 2018. Themes: NEGIS/Ice stream flow. Past evolution of GrIS.
| 4/1 | Greenland Ice Sheet Seminar (GEUS). |
| 11/1 | Christine Hvidberg: presentation of Langley et al. 2017. |
| 18/1 | Group discussion of current work |
| 25/1 | Cancelled due to NBI Kick-Off |
| 1/2 | Cancelled due to Ice2ice meeting |
| 8/2 | OBS moved to WED 7/2, 9-10. Group discussion of current work |
| 15/2 | |
| 22/2 | |
| 1/3 | |
| 8/3 | |
| 15/3 | |
| 22/3 | |
| 29/3 | Easter |
| 5/4 | Cancelled due to Hindsgavl meeting |
| 12/4 | Cancelled due to EGU |
| 19/4 | |
| 26/4 | |
| 3/5 | |
| 10/5 | Kr. Himmelfartsdag |
| 17/5 | |
| 24/5 |
Schedule Autumn 2017. Themes: NEGIS/Ice stream flow. Past evolution of GrIS.
| 10/8 | Henning Aakesson, UiB: Deglaciation of the western Fennoscandian Ice Sheet using ISSM. |
| 17/8 | Group discussion and plans for coming meetings. |
| 24/8 | Iben Koldtoft: presentation of Noel et al. (1km-surface mass balance from RACMO) |
| 31/8 | OBS moved to WED 30/8, 9-10. Rasmus Pedersen: presentation of Birch et al. (glacial inception on Baffin Island) |
| 7/9 | OBS moved to WED 6/9, 9-10. Signe H. Larsen: presentation of Bondzio et al.: The mechanisms behind Jakobshavn Isbræ acceleration and mass loss. |
| 14/9 | OBS moved to WED 13/9, 9-10. Anne Solgaard (GEUS): Round and others: "Surge dynamics and lake outbursts of Kyagar Glacier, Karakoram" |
| 21/9 | Retain workshop, GEUS |
| 28/9 | Cancelled |
| 5/10 | Nicholas Rathmann: presentation of Weertman (1956): "Deformation of floating ice shelves", Journal of Glaciology. |
| 12/10 | OBS moved to WED 11/10, 14-15. Andreas Plach: Surface mass balance on the Greenland ice sheet during the Eemian. |
| 19/10 | Cancelled (Autumn holiday) |
| 26/10 | Konstanze Haubner (GEUS): "Applying a stress-based calving criterion to simulate retreat of Upernavik Isstrøm 1970-2017 with ISSM" |
| 2/12 | EastGRIP SC and NEGIS workshop |
| 9/11 | Internal group discussions |
| 16/11 | Rasmus A. Pedersen: presentation of Rachmayani et al. 2017 (Sensitivity of GrIS to interglacial climate forcing) |
| 23/11 | Cancelled due to Ice2ice SMB workshop at DMI 23-24/11. |
| 30/11 | Internal group discussions |
| 7/12 | Christine Hvidberg: presentation of Choi et al. 2017 (Modeling the response of 79th and Zachariae ice streams to ocean forcing) |
| 14/12 | Cancelled due to Signe Hillerup Larsens PhD defense at 13:00: Dynamics of Upernavik Isstrøm - Controlling mechanisms of flow. |
| 21/12 | |
| 4/1-18 | Annual Greenland Ice Sheet Seminar (GEUS) |
Schedule Spring 2017. Themes: NEGIS/Ice stream flow. Past evolution of GrIS.
| 5/1 | 9:00-15:00: Greenland Ice sheet Seminar. Centre for Ice and Climate, room 235. |
| 12/1 | Christine and Nicholas: Feedbacks between surface melt and ice flow speedup - a discussion (input from Austfonna, see Dunse et al. 2015, and NEGIS) + Make plans for coming meetings. |
| 19/1 | Lisbeth and Ben: Modelling the build up of GrIS. |
| 26/1 | Group discussions |
| 2/2 | Cancelled |
| 9/2 | Rasmus: Coupled EC-Earth-PISM modelling into the future |
| 16/2 | Ben: Force balance analysis of NEGIS outlets - report from Ice2ice working group. The method is described in Van der Veen et al. 2011. |
| 23/2 | OBS Time change - 13-15 pm: Midterm colloquia by Martin V. Madsen: Surface and atmosphere interactions at EGRIP, and Karina Hansen: Time-lapse camera observations from KNS, Nuuk Fjord. |
| 2/3 | Lisbeth: reconstruct accumulation rate from ice core records |
| 9/3 | Group discussions |
| 16/3 | Cancelled - Ice2ice meeting in Bergen |
| 22/3 | OBS Time and Day change - Wednesday 10-15: Workshop on Greenland Ice Sheet History. 10.15-11: Nicolaj Krogh Larsen, AU: Tracking the last 2.6 Ma years of ice marginal fluctuations in Greenland using terrestrial archives 11-15: further discussions |
| 30/3 | Signe HL: Update on Upernavik outlet glacier modelling. |
| 6/4 | Cancelled |
| 13/4 | Easter |
| 20/3 | Cancelled |
| 27/3 | Christine H: Longitudinal surface structures (see Ely et al. 2017) + overview of upcoming travelling, guests and meetings. |
| 4/5 | OBS - No meeting Thursday Monday 1/5 at 11-12: Knut Christianson, UW: Subglacial landforms under streaming flow. Tuesday 2/5 at 10-11: Ed Waddington, UW: A transient internal layer model. Wednesday 3/5 at 13-14: Brita Horlings and Annika Horlings: UW community firn model work. |
| 11/5 | OBS - Monday 8/5 at 13-15: Lisbeth T. Nielsen Phd Defence OBS - Tuesday 9/5 at 10-12: Robert Arthern: The sensitivity of West Antarctica to the submarine melting feedback. Ralf Greve: InitMIP-Greenland experiments with the ice sheet model SICOPOLIS. Thursday meeting 9-10: Group discussions |
| 18/5 | |
| 25/5 | Ascension (Kr. Himmelfartsdag) |
| 1/6 | |
| 15/6 | |
| 22/6 | |
| 29/6 | Summer break |
| 17/8 | First meeting after summer break |
Schedule Autumn 2016. Themes: NEGIS/Ice stream flow. Past evolution of GrIS.
| 18/8 | Gudfinna Adalgeirsdottir, Univ. Iceland: Work at Vatnajökull and Myrdalsjökull. |
| 25/8 | Ben Kiesling: The Greenland ice sheet during the last deglaciation - current work and plans. |
| 31/8 | OBS WEDNESDAY 9:00-10:00 OBS Aslak Grinsted: Surface surveys at EastGRIP and Renland. |
| 8/9 | Cancelled due to travel. |
| 15/9 | Ioana Muresan, DTU: Modelling glacier dynamics at Jakobshavn Isbræ since 1840. |
| 22/9 | Christine Hvidberg: Upstream modelling at EastGRIP - an EastGRIP ice flow modelling consortium task. |
| 29/9 | Dorthe Dahl-Jensen: Plans for NEGIS/EastGRIP science |
| 6/10 | Paper discussion: What can we learn from radar layers? - MacGregor et al. JGR 2016 (Ben Kiesling) and MacGregor et al. Science 2016 (Christine Hvidberg) |
| 13/10 | Marianne Sloth Madsen, DMI: Freshwater fluxes from the Greenland Ice Sheet in coupled EC-Earth/PISM-simulations. |
| 20/10 | (School holiday) |
| 27/10 | Cancelled - EastGRIP Steering Committee & Nordic IGS in Tromsø, Norway |
| 3/11 | (ICAT Phd School at CIC) |
| 10/11 | Group meeting |
| 17/11 | Cancelled - CIC Retreat |
| 24/11 | Nicholas Rathmann: Anisotropic flow laws + plan next meetings |
| 1/12 | Journal club by Christine Hvidberg. Paper: Gillet-Chaulet and others, 2016: "The friction law under Pine Island Glacier", GRL. |
| 8/12 | Journal club by Signe H. Larsen. Paper: Shapero et al, 2016: "Basal resistance for three of the largest Greenland outlet glaciers", JGR-EarthSurface. |
| 15/12 | Journal club by Ben Keisling. Papers: Shaefer et al 2016: "Greenland was nearly ice free for extended periods during the Pleistocene", Nature and Bierman et al 2016: "A persistent and dynamic East Greenland Ice Sheet during the past 7.5 million years", Nature |
| 22/12 | Holidays |
| 29/12 | Holidays |
| First meeting 2017: Annual Greenland Ice Sheet Seminar, this year at NBI. |