Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model
A newly developed global Finite Element Sea IceOcean Model (FESOM) is presented. The ocean componentis based on the Finite Element model of the North Atlantic (FENA) but has been substantiallyupdated and extended. In addition to a faster realization of the numerical code, state-of-the-art parameteri...
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ftawi:oai:epic.awi.de:18877 2024-09-15T17:46:30+00:00 Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model Timmermann, Ralph Danilov, Sergey Schröter, Jens Böning, Carmen Sidorenko, Dmitry Rollenhagen, Katja 2009 https://epic.awi.de/id/eprint/18877/ https://doi.org/10.1016/j.ocemod.2008.10.009 https://hdl.handle.net/10013/epic.31908 unknown Timmermann, R. , Danilov, S. orcid:0000-0001-8098-182X , Schröter, J. orcid:0000-0002-9240-5798 , Böning, C. , Sidorenko, D. orcid:0000-0001-8579-6068 and Rollenhagen, K. (2009) Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model , Ocean Modelling, doi:10.1016/j.ocemod.2008.10.009. . doi:10.1016/j.ocemod.2008.10.009 <https://doi.org/10.1016/j.ocemod.2008.10.009> , hdl:10013/epic.31908 EPIC3Ocean Modelling, doi:10.1016/j.ocemod.2008.10.009. Article isiRev 2009 ftawi https://doi.org/10.1016/j.ocemod.2008.10.009 2024-06-24T04:00:42Z A newly developed global Finite Element Sea IceOcean Model (FESOM) is presented. The ocean componentis based on the Finite Element model of the North Atlantic (FENA) but has been substantiallyupdated and extended. In addition to a faster realization of the numerical code, state-of-the-art parameterizationsof subgrid-scale processes have been implemented. A Redi/GM scheme is employed toparameterize the effects of mesoscale eddies on lateral tracer distribution. Vertical mixing and convectionare parameterized as a function of the Richardson number and the MoninObukhov length. A finiteelement dynamic-thermodynamic sea icemodel has been developed and coupled to the ocean component.Sea ice thermodynamics have been derived from the standard AWI sea ice model featuring a prognosticsnow layer but neglecting internal heat storage. The dynamic part offers the viscous-plastic andelastic-viscous-plastic rheologies. All model components are discretized on a triangular/tetrahedral gridwith a continuous, conforming representation of model variables. The coupled model is run in a globalconfiguration and forced with NCEP daily atmospheric reanalysis data for 19482007. Results are analysedwith a slight focus on the Southern Hemisphere. Many aspects of sea ice distribution and hydrographyare found to be in good agreement with observations. As in most coarse-scale models, Gulf Streamtransport is underestimated, but transports of the Kuroshio and the Antarctic Circumpolar Current appearrealistic. The seasonal cycles of Arctic and Antarctic sea ice extents and Antarctic sea ice thickness arewell captured; long- and short-term variability of ice coverage is found to be reproduced realisticallyin both hemispheres. The coupled model is now ready to be used in a wide range of applications. Article in Journal/Newspaper Antarc* Antarctic North Atlantic Sea ice Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Ocean Modelling 27 3-4 114 129 |
institution |
Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
A newly developed global Finite Element Sea IceOcean Model (FESOM) is presented. The ocean componentis based on the Finite Element model of the North Atlantic (FENA) but has been substantiallyupdated and extended. In addition to a faster realization of the numerical code, state-of-the-art parameterizationsof subgrid-scale processes have been implemented. A Redi/GM scheme is employed toparameterize the effects of mesoscale eddies on lateral tracer distribution. Vertical mixing and convectionare parameterized as a function of the Richardson number and the MoninObukhov length. A finiteelement dynamic-thermodynamic sea icemodel has been developed and coupled to the ocean component.Sea ice thermodynamics have been derived from the standard AWI sea ice model featuring a prognosticsnow layer but neglecting internal heat storage. The dynamic part offers the viscous-plastic andelastic-viscous-plastic rheologies. All model components are discretized on a triangular/tetrahedral gridwith a continuous, conforming representation of model variables. The coupled model is run in a globalconfiguration and forced with NCEP daily atmospheric reanalysis data for 19482007. Results are analysedwith a slight focus on the Southern Hemisphere. Many aspects of sea ice distribution and hydrographyare found to be in good agreement with observations. As in most coarse-scale models, Gulf Streamtransport is underestimated, but transports of the Kuroshio and the Antarctic Circumpolar Current appearrealistic. The seasonal cycles of Arctic and Antarctic sea ice extents and Antarctic sea ice thickness arewell captured; long- and short-term variability of ice coverage is found to be reproduced realisticallyin both hemispheres. The coupled model is now ready to be used in a wide range of applications. |
format |
Article in Journal/Newspaper |
author |
Timmermann, Ralph Danilov, Sergey Schröter, Jens Böning, Carmen Sidorenko, Dmitry Rollenhagen, Katja |
spellingShingle |
Timmermann, Ralph Danilov, Sergey Schröter, Jens Böning, Carmen Sidorenko, Dmitry Rollenhagen, Katja Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model |
author_facet |
Timmermann, Ralph Danilov, Sergey Schröter, Jens Böning, Carmen Sidorenko, Dmitry Rollenhagen, Katja |
author_sort |
Timmermann, Ralph |
title |
Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model |
title_short |
Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model |
title_full |
Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model |
title_fullStr |
Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model |
title_full_unstemmed |
Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model |
title_sort |
ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model |
publishDate |
2009 |
url |
https://epic.awi.de/id/eprint/18877/ https://doi.org/10.1016/j.ocemod.2008.10.009 https://hdl.handle.net/10013/epic.31908 |
genre |
Antarc* Antarctic North Atlantic Sea ice |
genre_facet |
Antarc* Antarctic North Atlantic Sea ice |
op_source |
EPIC3Ocean Modelling, doi:10.1016/j.ocemod.2008.10.009. |
op_relation |
Timmermann, R. , Danilov, S. orcid:0000-0001-8098-182X , Schröter, J. orcid:0000-0002-9240-5798 , Böning, C. , Sidorenko, D. orcid:0000-0001-8579-6068 and Rollenhagen, K. (2009) Ocean circulation and sea ice distribution in a finite element global sea ice -- ocean model , Ocean Modelling, doi:10.1016/j.ocemod.2008.10.009. . doi:10.1016/j.ocemod.2008.10.009 <https://doi.org/10.1016/j.ocemod.2008.10.009> , hdl:10013/epic.31908 |
op_doi |
https://doi.org/10.1016/j.ocemod.2008.10.009 |
container_title |
Ocean Modelling |
container_volume |
27 |
container_issue |
3-4 |
container_start_page |
114 |
op_container_end_page |
129 |
_version_ |
1810494702359674880 |