Model:UFEMISM

UFEMISM

Also known as
Model type	Modular
Model part of larger framework
Note on status model
Date note status model

Incorporated models or components:

Spatial dimensions	2D
Spatial extent	Continental
Model domain	Cryosphere
One-line model description	Utrecht Finite Volume Ice-Sheet Model
Extended model description	UFEMISM (Utrecht Finite Volume Ice-Sheet Model) is a state-of-the-art finite-volume ice-sheet model developed by the Utrecht Polar System modelling group that uses a dynamic adaptive triangular mesh in both space and time to efficiently simulate the flow of the Greenland and Antarctic ice sheets. Version 2.0 includes more accurate Stokes flow approximations, multiple sliding laws, a distributed-memory parallelisation scheme, and automated unit testing, making it well-suited for both long palaeoglaciological simulations and large ensemble future projections.

Keywords:	Ice-sheet modeling, Adaptive mesh refinement, Finite-volume methods,

Supported platforms	Unix, Linux, Mac OS
Other platform
Programming language	Fortran90
Other program language
Code optimized	Multiple Processors
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development	2024
Does model development still take place?	Yes
If above answer is no, provide end year model development
Code development status	Active
When did you indicate the 'code development status'?	2026
Model availability	As code
Source code availability (Or provide future intension)	Through web repository
Source web address	https://github.com/UPSY-group/UPSY-models
Source csdms web address
Program license type	BSD or MIT X11
Program license type other
Memory requirements	--
Typical run time	--

Describe input parameters	Bed topography / ice thickness, Surface mass balance / precipitation / temperature forcing (e.g., ERA5), Geothermal heat flux, Ocean temperature/salinity (for sub-shelf melt), Basal friction coefficient field (can be inverted or prescribed), and Model configuration parameters (mesh resolution, time-stepping scheme, momentum balance choice, sliding law, etc.).
Input format	ASCII, Binary
Other input format	Ice thickness and surface/bed elevation, Horizontal ice velocities (u, v), Grounding line and calving front position, Basal melt rates, Surface mass balance, and Sea-level equivalent volume.
Describe output parameters
Output format	Binary
Other output format
Pre-processing software needed?	No
Describe pre-processing software
Post-processing software needed?	No
Describe post-processing software
Visualization software needed?	No
If above answer is yes
Other visualization software

Describe processes represented by the model	--
Describe key physical parameters and equations	--
Describe length scale and resolution constraints	--
Describe time scale and resolution constraints	--
Describe any numerical limitations and issues	--

Describe available calibration data sets
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available:
Describe ideal data for testing

Do you have current or future plans for collaborating with other researchers?

Is there a manual available?	No
Upload manual if available:
Model website if any	https://github.com/UPSY-group/UPSY-models/wiki/Getting-started
Model forum / discussion board

Comments

This part will be filled out by CSDMS staff

Can be coupled with:

Model info

Authors

Constantijn Berends

Source code

Model citations

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Featured reference(s)	Open Access Status	Year	Type of Reference	Cited
Berends, Constantijn J.; Azizi, Victor; Bernales, Jorge A.; van de Wal, Roderik S. W.; 2025. The Utrecht Finite Volume Ice-Sheet Model (UFEMISM) version 2.0 – Part 1: Description and idealised experiments. Geoscientific Model Development, 183635–3659. 10.5194/gmd-18-3635-2025	cc-by · publishedVersion	2025	a module overview describing a module	2
Berends, Constantijn J.; Gölzer, Heiko; Van De Wal, Roderik S. W.; 2020. The Utrecht Finite Volume Ice-Sheet Model: UFEMISM (version 1.0). , . 10.5194/gmd-2020-288	cc-by · acceptedVersion	2020	a module overview describing a module	13