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The Framework for Ice Sheet-Ocean Coupling (FISOC) V1.1

Permanent lenke
https://hdl.handle.net/10037/21708
DOI
https://doi.org/10.5194/gmd-14-889-2021
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Åpne
article.pdf (1.371Mb)
Publisert versjon (PDF)
Dato
2021-02-11
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Gladstone, Rupert; Galton-Fenzi, Benjamin K.; Gwyther, David; Zhou, Qin; Hattermann, Tore; Zhao, Chen; Jong, Lenneke; Xia, Yuwei; Guo, Xiaoran; Petrakopoulos, Konstantinos; Zwinger, Thomas; Shapero, Daniel; Moore, John C.
Sammendrag
A number of important questions concern processes at the margins of ice sheets where multiple components of the Earth system, most crucially ice sheets and oceans, interact. Such processes include thermodynamic interaction at the ice–ocean interface, the impact of meltwater on ice shelf cavity circulation, the impact of basal melting of ice shelves on grounded ice dynamics and ocean controls on iceberg calving. These include fundamentally coupled processes in which feedback mechanisms between ice and ocean play an important role. Some of these mechanisms have major implications for humanity, most notably the impact of retreating marine ice sheets on the global sea level. In order to better quantify these mechanisms using computer models, feedbacks need to be incorporated into the modelling system. To achieve this, ocean and ice dynamic models must be coupled, allowing runtime information sharing between components. We have developed a flexible coupling framework based on existing Earth system coupling technologies. The open-source Framework for Ice Sheet–Ocean Coupling (FISOC) provides a modular approach to coupling, facilitating switching between different ice dynamic and ocean 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. Thermodynamic coupling may also be activated. We present idealized simulations using FISOC with a Stokes flow ice dynamic model coupled to a regional ocean model. We demonstrate the modularity of FISOC by switching between two different regional ocean models and presenting outputs for both. We demonstrate conservation of mass and
Forlag
European Geosciences Union (EGU)
Sitering
Gladstone, Galton-Fenzi, Gwyther, Zhou, Hattermann, Zhao, Jong, Xia, Guo, Petrakopoulos, Zwinger, Shapero, Moore. The Framework for Ice Sheet-Ocean Coupling (FISOC) V1.1. Geoscientific Model Development. 2021;14(2):889-905
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  • Artikler, rapporter og annet (fysikk og teknologi) [1057]
Copyright 2021 The Author(s)

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