ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | If you plan to do both, please complete two slides |
Group name | |
Model name | |
Participants | |
Model characteristics | Include items like grid, typical resolution, sliding laws, initialization method… |
Topic of interest | This would be for example a specific aspect of ISMIP7 that you would like to explore |
Fun fact or figure | |
Number of variants | This is an indication of how many model variants you would like to contribute |
Number of 200 yr runs | This is an indication of how many simulations you would like to contribute |
Instructions: Copy this slide, and modify it for your group :). Delete this gray box
Greenland
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GrIS |
Group name | NORCE |
Model name | CISM – Community Ice Sheet Model |
Participants | Heiko Goelzer, Maria Paz Lira, Michele Petrini, Dave Chandler |
Model characteristics | Regular grid, typical resolution 4km, Diva solver, regularized coulomb or powerlaw sliding, Calibration to match observed surface elevation. |
Topic of interest | Explore ISM parametric uncertainty |
Fun fact or figure | The .F90 source code of CISM has 137505 lines and the word “ismip” occurs in 36 of them. |
Number of variants | 10 (different initial states, parametric uncertainty) |
Number of 200 yr runs | 100 for each version |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GrIS |
Group name | VUW-USF |
Model name | PISM |
Participants | Nick Golledge, Dan Lowry, Alanna Alevropoulos-Borrill |
Model characteristics | Regular grid; 2km resolution; Hybrid SIA+SSA; pseudo-plastic sliding law; spin-up with iterative nudging |
Topic of interest | parametric uncertainty, “Overshoot” scenarios |
Fun fact or figure | VUW ISMIP6 simulations were run on the Rāpoi cluster. Rāpoi can be translated as “to hang together in a cluster” in Te Reo Māori |
Number of variants | TBD; We plan on submitting with two different basal melt and grounding line parameterizations at the very least |
Number of 200 yr runs | Ideally for all experiments |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GrIS |
Group name | GEUS |
Model name | PISM |
Participants | Synne H. Svendsen, Anne M. Solgaard, Signe H. Larsen, Nanna B. Karlsson |
Model characteristics | 2-5 km spinup method TBD |
Topic of interest | Possibly higher order dynamics |
Fun fact or figure | |
Number of variants | TBD |
Number of 200 yr runs | TBD |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GIS |
Group name | DOE-LANL |
Model name | MALI |
Participants | Matt Hoffman, Trevor Hillebrand |
Model characteristics | Unstructured variable-resolution Voronoi grid, targeting finest resolution of 1 km; plan to use Budd or regularized Coulomb sliding law with coupling to subglacial hydrology model (or possibly parameterization); initialization through PDE-constrained optimization for tuning basal friction and ice stiffness with steady-state ice temperature field; Blatter-Pattyn or MOLHO velocity solver; crevasse-depth calving law |
Topic of interest | uncertainty quantification; Earth-system model coupling |
Fun fact or figure | MALI did not participate in Greenland projections for ISMIP6, but has been used in a handful of Greenland regional studies |
Number of variants | 1-5 |
Number of 200 yr runs | up to a few dozen at high resolution |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GrIS |
Group name | University of Montana |
Model name | SpecEIS (with new GPU dy-core) |
Participants | Doug Brinkerhoff |
Model characteristics | Structured grid, SSA or MOLHO, Budd sliding, uniform 1km resolution, Data-constrained spin-up |
Topic of interest | Uncertainty quantification |
Fun fact or figure | |
Number of variants | As needed |
Number of 200 yr runs | As needed. This model is very fast (20yrs simulation time / second on a laptop), so we can do a lot - 1000s? |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GrIS |
Group name | IGE |
Model name | Elmer/Ice |
Participants | C. Mosbeux, F. Gillet-Chaulet, N. Jourdain, G. Durand… |
Model characteristics | FEM, Unstructured (1-50 km), SSA, DA initialisation |
Topic of interest | Friction law, moving front |
Fun fact or figure | |
Number of variants | Depends on the set and number of experiments (likely 2-3) |
Number of 200 yr runs | Approx 10-20 |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GrIS |
Group name | Dartmouth |
Model name | ISSM |
Participants | H. Shields, M. Morlighem, H. Seroussi, Cheng Gong |
Model characteristics | FEM, Unstructured (1-20 km), HO, Transient calibration |
Topic of interest | Friction law, moving front |
Fun fact or figure | ISSM used to be “Ice Sheet System Model” and was renamed “Ice-sheet and Sea-level System Model” after we added a sea level solver 5 years ago. We managed to keep the same acronym :) |
Number of variants | TBD |
Number of 200 yr runs | Approx 10-20 |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | GrIS |
Group name | PalMA |
Model name | Yelmo |
Participants | Alexander Robinson, Javier Blasco, Jan Swierczek-Jereczek Lucía Gutiérrez-González, Marisa Montoya, Jorge Alvarez-Solas |
Model characteristics | Regular grid (4km, 8km or 16km); DIVA approximation; regularized Coulomb friction law; initialization optimizing the basal friction to minimize ice thickness errors |
Topic of interest | TBD |
Fun fact or figure | Yelmo is named after a mountain in the Gaudarrama Mountains (Madrid) that has the shape of an ice sheet. |
Number of variants | TBD |
Number of 200 yr runs | As needed |
Antarctica
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | PSU-UT |
Model name | PSU-ISM |
Participants | Ruthie Halberstadt, Sara Peters |
Model characteristics | Regular grid; 10 or 20km resolution; Hybrid SIA+SSA; basal sliding inversion field; initial conditions from transient glacial cycle simulation |
Topic of interest | model-data comparison, dependence on initial conditions |
Fun fact or figure | We are newbies to ISMIP! This will be our first time participating. |
Number of variants | TBD |
Number of 200 yr runs | Ideally for all experiments |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | PIK/MPI-GEA |
Model name | PISM |
Participants | Torsten Albrecht, Ann Kristin Klose |
Model characteristics | Hybrid SIA+SSA; Regular grid; 4/8 km resolution; Pseudo-plastic sliding law; Historical spin-up (incl scoring against obs trends) |
Topic of interest | Exploring role of different processes for sea-level projections: GIA, Subglacial hydrology … |
Fun fact or figure | For more than 20 years, PISM’s main research software engineer Constantine Khrulev has ensured the model’s stability and growth by maintaining, restructuring, and modernizing its code in more than 11000 commits. His deep technical insight and long-term commitment have been essential to the model’s reliability, user-friendliness and continued development. |
Number of variants | TBD |
Number of 200 yr runs | TBD |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | VUW-USF |
Model name | PISM |
Participants | Nick Golledge, Dan Lowry, Alanna Alevropoulos-Borrill |
Model characteristics | Regular grid; 4 and 8km resolution; Hybrid SIA+SSA; pseudo-plastic sliding law; spin-up with iterative nudging |
Topic of interest | parametric uncertainty, “Overshoot” scenarios |
Fun fact or figure | VUW ISMIP6 simulations were run on the Rāpoi cluster. Rāpoi can be translated as “to hang together in a cluster” in Te Reo Māori |
Number of variants | TBD; We plan on submitting with two different basal melt and grounding line parameterizations at the very least |
Number of 200 yr runs | Ideally for all experiments |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | DOE-LANL |
Model name | MALI |
Participants | Matt Hoffman, Trevor Hillebrand |
Model characteristics | Unstructured variable-resolution Voronoi grid, targeting finest resolution of 2 km; plan to use Budd or regularized Coulomb sliding law with coupling to subglacial hydrology model (or possibly parameterization); initialization through PDE-constrained optimization for tuning basal friction and ice stiffness with steady-state ice temperature field; Blatter-Pattyn or MOLHO velocity solver; crevasse-depth calving law; global 1-d GIA/Sea-level model |
Topic of interest | GIA, subglacial hydrology, uncertainty quantification |
Fun fact or figure | MALI is jointly developed between Los Alamos and Sandia national labs and is the ice-sheet component of the US Department of Energy’s Energy Exascale Earth System Model (E3SM) |
Number of variants | 1-5 |
Number of 200 yr runs | up to a few dozen at high resolution |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | University of Montana |
Model name | SpecEIS (with new GPU dy-core) |
Participants | Doug Brinkerhoff |
Model characteristics | Structured grid, SSA or MOLHO, Budd sliding, uniform 1km resolution, Data-constrained spin-up |
Topic of interest | Uncertainty quantification, collapse scenarios |
Fun fact or figure | |
Number of variants | As needed |
Number of 200 yr runs | As needed. This model is very fast (20yrs simulation time / second on a laptop), so we can do a lot - 1000s? |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | Dartmouth College |
Model name | ISSM (Ice-sheet and Sea-level System Model) |
Participants | Tobias Harvey, Justine Caillet, Hugh Shields,Mathieu Morlighem, Helene Seroussi |
Model characteristics | Unstructured anisotropic mesh (2-30 km), SSA or MOLHO, Budd sliding, transient calibration with AD if possible, ISMIP6 melt parameterization |
Topic of interest | Ice shelt melt or calving |
Fun fact or figure | First ISSM workshop was exactly 14 years ago (December 13th, 2011) |
Number of variants | Unknown (discussions with other ISSM groups) |
Number of 200 yr runs | 10s |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | Arête Glacier Initiative |
Model name | MALI (MPAS-Albany Land Ice model) |
Participants | Holly Han, Colin Meyer, Brent Minchew |
Model characteristics | Unstructured variable-resolution Voronoi grid (will most likely use 4-20 km resolution). Flexibility in using different physics packages (e.g., gravitationally consistent 1D sea-level/GIA physis,c calving, subglacial hydrology, temperature, velocity solver). |
Topic of interest | Sea-level/GIA feedback, Basal sliding law, sweeping a broad range of parameter space of various physics. |
Fun fact or figure | Another meaning of Arête is a Greek philosophy about excellence or realizing one’s fullest potential (https://en.wikipedia.org/wiki/Arete).
|
Number of variants | TBD |
Number of 200 yr runs | TBD |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | KOPRI (Korea Polar Research Institute) |
Model name | ISSM-KOPRI |
Participants | In-Woo Park, Won Sang Lee, Emilia Kyung Jin |
Model characteristics | Unstructured anisotropic mesh (1 km - 10 km), Budd-type friction law (effective pressure from subglacial hydrology model, CUAS or Shakti), Ice flow model with 2D SSA or 3D Higher Order (HO), Surface melting parameterization (SEMIC) |
Topic of interest | Friction law connected with subglacial hydrology model, sub-ice shelf melting parameterization from 2D plume model |
Fun fact or figure | |
Number of variants | TBD (Discussed in ISMIP7) |
Number of 200 yr runs | TBD (Discussed in ISMIP7) |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | KOPRI (Korea Polar Research Institute) |
Model name | PISM-KOPRI |
Participants | Won Sang Lee, In-Woo Park |
Model characteristics | Regular Cartesian grid at 8 km and native 4 km (EPSG:3031; 8 km = 761 × 761) for calibrated spinup and projections; 200 kyr paleo thermal spinup at 16 km, grid-sequenced to 8 km (Albrecht 2020-style); SSA+SIA hybrid stress balance; pseudo-plastic sliding with topography-dependent till yield strength (Albrecht et al. 2020, Table 1); PICO sub-shelf melt with per-basin δT calibration against Paolo & Adusumilli observations on IMBIE v3 basins. |
Topic of interest | Sensitivity of the projected Antarctic sea-level contribution to (i) ocean-driven sub-shelf melt, the dominant source of inter-model spread, using per-basin melt forcing calibrated against satellite observations (Paolo & Adusumilli, IMBIE v3 basins); and (ii) horizontal resolution, contrasting native 8 km and 4 km to quantify the resolution sensitivity of Amundsen Sea Embayment grounding-line discharge. Toward observationally-constrained probabilistic projection via parameter-space sensitivity. |
Fun fact or figure | PISM-KOPRI runs on our “Simba” HPC cluster, named in keeping with our international LIONESS consortium (Land/Ice-Ocean Network Exploration using Semiautonomous Systems) for polar research. Future cluster nodes will continue the Lion King theme (e.g., Kiara already operational) |
Number of variants | Number of variants: 2; PISM-KOPRI at 8 km (m001) and native 4 km (m002), identical physics/forcing, contributed to quantify resolution sensitivity of the Antarctic response. |
Number of 200 yr runs | 11 (full Core experiment suite: 2 ESMs × 5 experiments [Historical + SSP126/370/585 + CTRL2015] + 1 OCX) |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | IGE |
Model name | Elmer/Ice |
Participants | C. Mosbeux, N. Jourdain, F. Gillet-Chaulet, G. Durand… |
Model characteristics | FEM, Unstructured (1-50 km), SSA, DA initialisation |
Topic of interest | Friction laws, damage, moving front, coupling with the ocean and atmosphere |
Fun fact or figure | |
Number of variants | Depends on the set and number of experiments (likely 2-3) |
Number of 200 yr runs | Approx 10-20 |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | Monash |
Model name | the Ice-sheet and Sea-level System Model |
Participants | Johanna Beckmann, Felicity McCormack, … |
Model characteristics | FEM, unstructured (3-50 km), SSA, DA initialisation |
Topic of interest | Basal melt, sensitivity to climate forcings, maybe 1850s initialisation |
Fun fact or figure | |
Number of variants | Will discuss with other ISSM groups |
Number of 200 yr runs | 10s |
ISMIP7 participants - expression of interest
Domain (AIS or GrIS) | AIS |
Group name | PalMA |
Model name | Yelmo |
Participants | Alexander Robinson, Javier Blasco, Jan Swierczek-Jereczek Lucía Gutiérrez-González, Marisa Montoya, Jorge Alvarez-Solas |
Model characteristics | Regular grid (4km, 8km or 16km); DIVA approximation; regularized Coulomb friction law; initialization optimizing the basal friction to minimize ice thickness errors |
Topic of interest | TBD |
Fun fact or figure | Yelmo is named after a mountain in the Gaudarrama Mountains (Madrid) that has the shape of an ice sheet. |
Number of variants | TBD |
Number of 200 yr runs | As needed |