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.|
|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
|5/3||Pastry and Plots on La Esquina" from 9-10. Address: Ryesgade 76, 2100 København.|
|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|
|26/9||ICAT Phd school - no meeting|
|3/10||Christine Hvidberg: Discussion of Bassis et al. 2017|
|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.|
|9/1||Greenland Ice Sheet Seminar at NBI, Tagensvej 16.|
Schedule Spring 2019. Themes: Ice streams, Surface mass balance, Ice sheet flow and evolution.
|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|
|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.|
|4/4||Workshop on basal ice from the Greenland ice sheet - ask for info|
|11/4||EGU - no meeting|
|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|
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
|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|
|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|
|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|
|5/4||Cancelled due to Hindsgavl meeting|
|12/4||Cancelled due to EGU|
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|
|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.|
|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.|
|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|
|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.|
|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
|25/5||Ascension (Kr. Himmelfartsdag)|
|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.|
|27/10||Cancelled - EastGRIP Steering Committee & Nordic IGS in Tromsø, Norway|
|3/11||(ICAT Phd School at CIC)|
|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|
|First meeting 2017: Annual Greenland Ice Sheet Seminar, this year at NBI.|