Impact of internal wave drag on Arctic sea ice
A parameterization of the impact of internal waves on momentum transfer at the sea-ice–ocean interface based on previous work by McPhee has been implemented in a sea-ice model for the first time. The ice–ocean drag from internal waves is relevant for shallow mixed layer depth and the presence of a d...
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| Format: | Article |
| Language: | English |
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Cambridge University Press
2024-01-01
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| Series: | Annals of Glaciology |
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| Online Access: | https://www.cambridge.org/core/product/identifier/S0260305524000375/type/journal_article |
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| author | Daniela Flocco Daniel Feltham David Schroeder Yevgeny Aksenov Antony Siahaan Michel Tsamados |
| author_facet | Daniela Flocco Daniel Feltham David Schroeder Yevgeny Aksenov Antony Siahaan Michel Tsamados |
| author_sort | Daniela Flocco |
| collection | DOAJ |
| description | A parameterization of the impact of internal waves on momentum transfer at the sea-ice–ocean interface based on previous work by McPhee has been implemented in a sea-ice model for the first time. The ice–ocean drag from internal waves is relevant for shallow mixed layer depth and the presence of a density jump at the pycnocline and is also a function of the strength of the stratification beneath the ocean mixed layer and geometry of the ice interface. We present results from a coupled sea-ice–ocean model where the parameterization of internal wave drag has been implemented. We conducted simulations spanning the years from 2000 to 2017. We find a deceleration of ice drift by 5–8% in both winter and summer, but with significant spatial and temporal variation reaching seasonal average values of ~10%. The spatial variation of ice transport leads to local impacts on deformed ice of magnitude ~0.05 m (2–5%), and reductions in ocean-to-ice heat fluxes of ~1 W m−2, and a decrease in bottom melt of ~0.02–0.04 cm d−1. There is an increase of up to 15% in thickness and ice concentration in the Canadian Arctic and a 10% overall impact on the total sea-ice volume. |
| format | Article |
| id | doaj-art-9b65a5f1a44a4517b3ebb5fd58f821f4 |
| institution | OA Journals |
| issn | 0260-3055 1727-5644 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Cambridge University Press |
| record_format | Article |
| series | Annals of Glaciology |
| spelling | doaj-art-9b65a5f1a44a4517b3ebb5fd58f821f42025-08-20T02:15:47ZengCambridge University PressAnnals of Glaciology0260-30551727-56442024-01-016510.1017/aog.2024.37Impact of internal wave drag on Arctic sea iceDaniela Flocco0https://orcid.org/0000-0002-0025-5359Daniel Feltham1David Schroeder2Yevgeny Aksenov3Antony Siahaan4Michel Tsamados5https://orcid.org/0000-0001-7034-5360Dipartimento di Scienze della Terra, dell'Ambiente e delle Risorse (DiSTAR), Università degli Studi di Napoli Federico II, 80126 – Napoli, Italy Department of Meteorology, Centre for Polar Observation and Modelling, University of Reading, Reading, RG6 6ET, UKDepartment of Meteorology, Centre for Polar Observation and Modelling, University of Reading, Reading, RG6 6ET, UKDepartment of Meteorology, Centre for Polar Observation and Modelling, University of Reading, Reading, RG6 6ET, UKNational Oceanographic Centre, Southampton, SO17 1BJ, UKBritish Antarctic Survey, Cambridge, CB3 0ET, UKDepartment of Earth Sciences, Centre for Polar Observation and Modelling, University College London, London, WC1E 6BT, UKA parameterization of the impact of internal waves on momentum transfer at the sea-ice–ocean interface based on previous work by McPhee has been implemented in a sea-ice model for the first time. The ice–ocean drag from internal waves is relevant for shallow mixed layer depth and the presence of a density jump at the pycnocline and is also a function of the strength of the stratification beneath the ocean mixed layer and geometry of the ice interface. We present results from a coupled sea-ice–ocean model where the parameterization of internal wave drag has been implemented. We conducted simulations spanning the years from 2000 to 2017. We find a deceleration of ice drift by 5–8% in both winter and summer, but with significant spatial and temporal variation reaching seasonal average values of ~10%. The spatial variation of ice transport leads to local impacts on deformed ice of magnitude ~0.05 m (2–5%), and reductions in ocean-to-ice heat fluxes of ~1 W m−2, and a decrease in bottom melt of ~0.02–0.04 cm d−1. There is an increase of up to 15% in thickness and ice concentration in the Canadian Arctic and a 10% overall impact on the total sea-ice volume.https://www.cambridge.org/core/product/identifier/S0260305524000375/type/journal_articleice thicknessinternal wave dragsea-ice modelling |
| spellingShingle | Daniela Flocco Daniel Feltham David Schroeder Yevgeny Aksenov Antony Siahaan Michel Tsamados Impact of internal wave drag on Arctic sea ice Annals of Glaciology ice thickness internal wave drag sea-ice modelling |
| title | Impact of internal wave drag on Arctic sea ice |
| title_full | Impact of internal wave drag on Arctic sea ice |
| title_fullStr | Impact of internal wave drag on Arctic sea ice |
| title_full_unstemmed | Impact of internal wave drag on Arctic sea ice |
| title_short | Impact of internal wave drag on Arctic sea ice |
| title_sort | impact of internal wave drag on arctic sea ice |
| topic | ice thickness internal wave drag sea-ice modelling |
| url | https://www.cambridge.org/core/product/identifier/S0260305524000375/type/journal_article |
| work_keys_str_mv | AT danielaflocco impactofinternalwavedragonarcticseaice AT danielfeltham impactofinternalwavedragonarcticseaice AT davidschroeder impactofinternalwavedragonarcticseaice AT yevgenyaksenov impactofinternalwavedragonarcticseaice AT antonysiahaan impactofinternalwavedragonarcticseaice AT micheltsamados impactofinternalwavedragonarcticseaice |