Workshop on observing and modelling meltwater retention processes in snow and firn on ice sheets and glaciers
Hosted by the Geological Survey of Denmark and Greenland (GEUS)
1-3 June 2016, Øster Voldgade 10, DK-1350 Copenhagen
Sponsorship: Danish Council for Independent Research (DFF)
and International Arctic Scientific Committee (IASC) co-sponsored
Practical items:
- What will the workshop include:
- Icebreaker on Wednesday
- Morning and afternoon coffee breaks.
- Lunch Thursday and Friday.
- Workshop dinner on Thursday (Please let me know, if you plan NOT to attend)
- Poster session: Thursday afternoon. Please use the prepared poster holders in the hallway
- Discussion sessions: discuss observations and model development of meltwater retention processes in snow and firn.
- Please be on time for each session as the main entrance to GEUS will be locked most of the time during the workshop.
Need help?:
- Robert work phone: Call +4591333838
- Robert private phone: Call or text +4525132694
Publication:
We plan a special issue on the workshop topic in Frontiers in Earth Sciences – Cryospheric sciences [link].
Program
Oral presentations
| Wednesday 1 June | Title | |
| 12.00-13.00 | Registration | |
| Convener: Jason Box | ||
| 13.00-13.10 | Introduction | |
| 13.10-13.40 | W. Tad Pfeffer | The little problem that won’t go away: 50+ years of research on Greenland meltwater infiltration |
| 13.40-14.10 | Roger Braithwaite | Measurement and modelling of meltwater retention on ice sheets and glaciers |
| 14.10-14.30 | Carl E. Bøggild | Melt water in cold polar snow: a system of observational, understanding and modeling challenges |
| 14.30-14.40 | Dirk van As | Expert Survey |
| Break | ||
| Convener: Dirk van As | ||
| 15.00-15.20 | Richard Forster | Greenland firn aquifer investigations from remote sensing, geophysics, in situ measurements, and modeling |
| 15.20-15.40 | Mike MacFerrin | Compaction and firn cores from the Greenland ice sheet 2012-2016 |
| 15.40-16.00 | Paul Vallelonga | Observations regarding the 2012 melt event in the Greenland accumulation zone |
| 16.00-16.20 | Peter Kuipers Munneke | Modelling elevation change of the Greenland Ice Sheet firn layer, 1960-2014 |
| 16.20-16.40 | Discussion points for the next days | Discussant: Jason Box |
| 16.40-18.30 | Ice Breaker | Sponsored by International Arctic Science Committee (IASC) |
| Thursday
2 June |
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| Convener: Babis Charalampidis | ||
| 09.10-09.30 | Jens Hesselbjerg Christensen | Sea ice – what does this has to do with the Greenland Ice Sheet SMB? |
| 09.30-09.50 | Konrad Steffen | Greenland Swiss Camp Climatology: 1990 – 2016 |
| 09.50-10.10 | Horst Machguth | Successive and intense melt rapidly decreases Greenland meltwater retention in firn |
| 10.10-10.30 | Stef Lhermitte | Clouds enhance Greenland ice sheet meltwater runoff |
| Break | ||
| 11.00-12.20 | Discussion | Discussant: Koni Steffen |
| Lunch | Sponsored by International Arctic Science Committee (IASC) | |
| Convener: Baptiste Vandecrux | ||
| 13.30-13.50 | Stefan Ligtenberg | Modelling 3-D liquid water flow in the Greenland firn aquifer |
| 13.50-14.10 | Sebastian Mernild | Surface mass balance and runoff modeling for Greenland Ice Sheet based on SnowModel |
| 14.10-14.30 | Peter Langen | Introducing percolation physics in the regional climate model HIRHAM5 |
| 14.30-14.50 | Nander Wever | Recent advances in liquid water flow modelling in the physics based SNOWPACK model |
| Break | ||
| 15.20-16.30 | Discussion | Discussant: Michiel van den Broeke |
| 16.30-18.30 | Poster Session | |
| 19.00-23.00 | Workshop dinner | Café G [link] (Co-sponsored by IASC) |
| Friday
3 June |
||
| Convener: Xavier Fettweis | ||
| 09.10-09.30 | Jan Leanerts | Firn air depletion and high melt in grounding zone of an East Antarctic ice shelf |
| 09.30-09.50 | Samantha Buzzard | The accumulation of surface meltwater on ice shelves |
| 09.50-10.10 | Christian Steger | Refreezing and liquid water storage on the Greenland ice sheet: a model comparison |
| 10.10-10.30 | Kristin Poinar | Model-based constraints on the depths and thermal influence of water-filled crevasses in western Greenland |
| Break | ||
| Convener: Ruth Mottram | ||
| 11.00-11.20 | Sergey Marchenko | Measuring and simulating snow/firn temperature evolution at Lomonosovfonna affected by preferential water flow |
| 11.20-11.40 | Samira Samimi | Meltwater Runoff and Storage Based on Dielectric Properties of the Supraglacial Snowpack on Haig Glacier, Canadian Rocky Mountains |
| 11.40-12.00 | Achim Heilig | Continuous determination of liquid water retention in seasonal snowpacks and application to perennial firn. |
| 12.00-12.20 | Björn Saß | Improvement of geodetic glacier mass balances with integrated firn elevation change modeling |
| Lunch | Sponsored by International Arctic Science Committee (IASC) | |
| 13.30-15.00 | Discussion | Discussant: W. Tad Pfeffer |
Poster presentations
| Posters: | Title | |
| 1 | Patrick Alexander | The impact of meltwater on modeled Greenland Ice Sheet density profiles |
| 2 | Willem Jan van de Berg | On the densification of snow |
| 3 | Matthew Cooper | What can supraglacial rivers on the Greenland Ice Sheet teach us about seasonal meltwater retention in snow and firn? |
| 4 | Alexandra Gossart | The importance of wind on East Antarctic ice shelf stability |
| 5 | Juliana Costi | Surface meltwater production, retention and runoff trends on the Antarctic Peninsula (WITHDRAWN) |
| 6 | Xavier Fettweis | Sensibility of the Greenland ice sheet surface mass balance simulated by the regional model MAR to the irreducible water saturation in snow and the pore hole close off density |
| 7 | Joel Harper | Challenges and Limitations of Using In Situ Observations to Assess Modeled Infiltration and Refreezing in Firn |
| 8 | Stan Jakobs | Effects of snow layer initialisation and soot concentration on meltwater retention |
| 9 | Leo Kampenhout | Firn modelling in the Community Earth System Model (CESM) |
| 10 | Horst Machguth | Greenland surface mass balance observations from the ice sheet ablation area and local glaciers |
| 11 | Ruth Mottram | The importance of retention and refreezing to the surface mass balance of small Arctic glaciers |
| 12 | Brice Noël | A downscaled 1km dataset of daily Greenland ice sheet surface mass balance components (1958-2015) |
| 13 | Ward van Pelt | The changing role of snow conditions and refreezing on mass loss of Svalbard glaciers |
| 14 | Baptiste Vandecrux | Understanding non-linear change in the permeability of firn on Greenland ice sheet |
| 15 | Melchior van Wessem | The simulated Surface Mass Balance of the Antarctic Peninsula |