[Service_Parameters: Service_Topic='MODELS', Service_Term='LAND SURFACE MODELS']
SImulation COde for POLythermal Ice SheetsEntry ID: SICOPOLIS
Abstract: SICOPOLIS (SImulation COde for POLythermal Ice Sheets) is a 3-d dynamic/thermodynamic model that simulates the evolution of large ice sheets and ice caps. It was originally created by Greve (1997a,b) in a version for the Greenland ice sheet. Since then, SICOPOLIS has been developed continuously and applied to problems of past, present and future glaciation of Greenland, Antarctica, the entire ... northern hemisphere, the polar ice caps of the planet Mars and others.
The model is based on the shallow ice approximation for grounded ice, the shallow shelf approximation for floating ice (e.g., Greve and Blatter 2009) and, optionally, hybrid shallow-ice–shelfy-stream dynamics for ice streams (Bernales et al. 2017). It is coded in Fortran and uses finite difference discretisation on a staggered (Arakawa C) grid, the velocity components being taken between grid points. A variety of different thermodynamics solvers are available, namely the polythermal two-layer method, two versions of the one-layer enthalpy method, the cold-ice method and the isothermal method (Greve and Blatter 2016).
The coding is based on a consequent low-tech philosophy. All structures are kept as simple as possible, and advanced coding techniques are only employed where it is deemed appropriate. The use of external libraries is kept at an absolute minimum. In fact, SICOPOLIS can be run without external libraries at all, which makes the installation very easy and fast.
ISO Topic Category
Use Constraints SICOPOLIS is free and open-source software. It can be redistributed and/or modified under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at the user's option) any later version.
SICOPOLIS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Role: SERF AUTHOR
Email: Tyler.B.Stevens at nasa.gov
5700 Rivertech Court
Province or State: MD
Postal Code: 20737
Role: TECHNICAL CONTACT
Email: greve at lowtem.hokudai.ac.jp
Institute of Low Temperature Science Hokkaido University Kita-19, Nishi-8, Kita-ku
Postal Code: 060-0819
Role: TECHNICAL CONTACT
Email: sicohelp at greveweb.net
Greve, R. 1995. Thermomechanisches Verhalten polythermer Eisschilde - Theorie, Analytik, Numerik.Doctoral thesis, Department of Mechanics, Darmstadt University of Technology, Germany, 226 pp. Shaker Verlag (Series Berichte aus der Geowissenschaft), Aachen, Germany. ISBN: 3-8265-0999-4.
Greve, R. 1997a.A continuum-mechanical formulation for shallow polythermal ice sheets. Philosophical ... Transactions of the Royal Society London A 355 (1726), 921-974.
Greve, R. 1997b.Application of a polythermal three-dimensional ice sheet model to the Greenland ice sheet: Response to steady-state and transient climate scenarios. Journal of Climate 10 (5), 901-918.
Greve, R., K.-H. Wyrwoll and A. Eisenhauer. 1999. Deglaciation of the Northern Hemisphere at the onset of the Eemian and Holocene. Annals of Glaciology 28, 1-8.
Greve, R. 2007. Ice-sheet model SICOPOLIS. Presentation, Workshop on Ice Flow Modelling, Niels Bohr Institute for Astronomy, Physics and Geophysics, University of Copenhagen, Denmark, 2007-05-09. Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP), http://hdl.handle.net/2115/34755.
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