The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater Fluxes
Abstract Regional patterns of sea level rise are affected by a range of factors including glacial melting, which has occurred in recent decades and is projected to increase in the future, perhaps dramatically. Previous modeling studies have typically included fluxes from melting glacial ice only as...
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| Format: | Article |
| Language: | English |
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Wiley
2024-10-01
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| Series: | Geophysical Research Letters |
| Online Access: | https://doi.org/10.1029/2024GL110633 |
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| _version_ | 1850077827363241984 |
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| author | Ian Eisenman Aurora Basinski‐Ferris Emma Beer Laure Zanna |
| author_facet | Ian Eisenman Aurora Basinski‐Ferris Emma Beer Laure Zanna |
| author_sort | Ian Eisenman |
| collection | DOAJ |
| description | Abstract Regional patterns of sea level rise are affected by a range of factors including glacial melting, which has occurred in recent decades and is projected to increase in the future, perhaps dramatically. Previous modeling studies have typically included fluxes from melting glacial ice only as a surface forcing of the ocean or as an offline addition to the sea surface height fields produced by climate models. However, observational estimates suggest that the majority of the meltwater from the Antarctic Ice Sheet actually enters the ocean at depth through ice shelf basal melt. Here we use simulations with an ocean general circulation model in an idealized configuration. The results show that the simulated global sea level change pattern is sensitive to the depth at which Antarctic meltwater enters the ocean. Further analysis suggests that the response is dictated primarily by the steric response to the depth of the meltwater flux. |
| format | Article |
| id | doaj-art-f2fdf990f9fd424a93e898ce14b0038a |
| institution | DOAJ |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-f2fdf990f9fd424a93e898ce14b0038a2025-08-20T02:45:43ZengWileyGeophysical Research Letters0094-82761944-80072024-10-015119n/an/a10.1029/2024GL110633The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater FluxesIan Eisenman0Aurora Basinski‐Ferris1Emma Beer2Laure Zanna3Scripps Institution of Oceanography University of California San Diego La Jolla CA USACourant Institute of Mathematical Sciences New York University New York NY USADepartment of Earth, Environmental and Planetary Sciences Rice University Houston TX USACourant Institute of Mathematical Sciences New York University New York NY USAAbstract Regional patterns of sea level rise are affected by a range of factors including glacial melting, which has occurred in recent decades and is projected to increase in the future, perhaps dramatically. Previous modeling studies have typically included fluxes from melting glacial ice only as a surface forcing of the ocean or as an offline addition to the sea surface height fields produced by climate models. However, observational estimates suggest that the majority of the meltwater from the Antarctic Ice Sheet actually enters the ocean at depth through ice shelf basal melt. Here we use simulations with an ocean general circulation model in an idealized configuration. The results show that the simulated global sea level change pattern is sensitive to the depth at which Antarctic meltwater enters the ocean. Further analysis suggests that the response is dictated primarily by the steric response to the depth of the meltwater flux.https://doi.org/10.1029/2024GL110633 |
| spellingShingle | Ian Eisenman Aurora Basinski‐Ferris Emma Beer Laure Zanna The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater Fluxes Geophysical Research Letters |
| title | The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater Fluxes |
| title_full | The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater Fluxes |
| title_fullStr | The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater Fluxes |
| title_full_unstemmed | The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater Fluxes |
| title_short | The Sensitivity of the Spatial Pattern of Sea Level Changes to the Depth of Antarctic Meltwater Fluxes |
| title_sort | sensitivity of the spatial pattern of sea level changes to the depth of antarctic meltwater fluxes |
| url | https://doi.org/10.1029/2024GL110633 |
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