Elmer/Ice News

A new tool for ice-ocean coupling

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Understanding ice sheet-ocean interaction is a key-point to quantify future sea level rise.  A recently published article presents FISOC (Framework for Ice Sheet-Ocean Coupling), which is an open-source tool based on ESMF (Earth System Model Framework) that allows for coupling different ice-sheet model and ocean model components. FISOC allows fully synchronous coupling, in which both ice and ocean run on the same time step, or semi-synchronous coupling in which the ice dynamic model uses a longer time step. Multiple regridding options are available, and there are multiple methods for coupling the sub-ice-shelf cavity geometry. Also, thermodynamic coupling is an option.The approach is modular, meaning that any ESMF-compliant ice-sheet or ocean model can be coupled using FISOC. Elmer/Ice includes an application interface (API) to FISOC and has been used in the current article to demonstrate the capabilities of the framework along the lines of simplified setups.

More details under:  Gladstone, R., Galton-Fenzi, B., Gwyther, D., Zhou, Q., Hattermann, T., Zhao, C., Jong, L., Xia, Y., Guo, X., Petrakopoulos, K., Zwinger, T., Shapero, D., and Moore, J., 2021. The Framework For Ice Sheet–Ocean Coupling (FISOC) V1.1.Geosci. Model Dev.,14,889–905. doi:10.5194/gmd-14-889-2021 (or direct link at GMD)

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