Documentation for PISM, the Parallel Ice Sheet Model

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NEWS: PISM v1.2 released


Projection of the Greenland Ice Sheet from 2008-2300 under RCP 8.5. Video by Cindy Starr (NASA SVS).

The Parallel Ice Sheet Model PISM v1.2 is open source and capable of high resolution. It has been widely adopted as a tool for doing science.

Features include:

Latest News

Version 1.2

We are pleased to announce the release of the Parallel Ice Sheet Model (PISM) v1.2.

Compared to v1.1, the new version includes

  • modifications required by ISMIP6 experiments,
  • the frontal melt parameterization by Rignot et al (,
  • the orographic precipitation following Smith and Barstad, A linear theory of orographic precipitation (2004),
  • the ability to use NCAR ParallelIO for better I/O performance,
  • numerous bug fixes and minor improvements.

Please see the change log for a complete list.

2020/02/13 19:49 · Constantine Khroulev

MPI-M Hamburg, Germany: open postdoc for coupled atmosphere-ocean-ice sheet model

The Max Planck Institute for Meteorology (MPI-M) contributes to the BMBF project “From the Last Interglacial to the Anthropocene: Modeling a Complete Glacial Cycle” (PalMod,, which aims at simulating the climate from the peak of the last interglacial up to the present using comprehensive Earth System Models. Phase II of this project has an open position Postdoctoral Scientist (W073). The successful candidate will be part of a local team performing and analysing long-term transient simulations covering the last glacial and the transition into the Holocene with an interactively coupled atmosphere-ocean-ice sheet model. Additionally, the candidate will contribute to the continued development of this model. The model system consists of the MPI-Earth system model, the ice sheet model PISM, and the solid-earth model VILMA.

For further information regarding the job description, please contact Uwe Mikolajewicz (uwe.mikolajewicz(at) Do not forward your application to this email address; see links at the official announcement.

2020/02/05 17:00 · Ed Bueler

AWI PostDoc: "Antarctic Ice Sheets in warming climates"

Dr. Lohmann's group at AWI is seeking a postdoc to work with PISM and the multi-scale Earth system model AWI-ESM. See

2020/01/23 17:34 · Ed Bueler

PISM now uses Slack

PISM now has a Slack workspace. You can join us via the link Slack invite for PISM Help

We hope this will streamline our handling of user questions, and speed up our response time. Also, the more PISM users sign up, the more we will be able to help each other out.

2019/12/16 19:51 · Andy Aschwanden

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PISM is jointly developed at the University of Alaska, Fairbanks (UAF) and the Potsdam Institute for Climate Impact Research (PIK). For more about the team see the UAF Developers and PIK Developers pages.

UAF developers, who are in the Glaciers Group at the GI, are supported by NASA's Modeling, Analysis, and Prediction and Cryospheric Sciences Programs (grants NAG5-11371, NNX09AJ38C, NNX13AM16G, NNX16AQ40G, NNX17AG65G) and by NSF grants PLR-1603799 and PLR-1644277.

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