Marine melt in three dimensional Greenlandic sill fjord simulations
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| Publicado no: | Journal of Glaciology vol. 71 (Jul 2025) |
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| Autor principal: | |
| Outros Autores: | , , |
| Publicado em: |
Cambridge University Press
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| Acesso em linha: | Citation/Abstract Full Text Full Text - PDF |
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| 001 | 3260288611 | ||
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| 022 | |a 0022-1430 | ||
| 022 | |a 1727-5652 | ||
| 024 | 7 | |a 10.1017/jog.2025.10073 |2 doi | |
| 035 | |a 3260288611 | ||
| 045 | 2 | |b d20250701 |b d20250731 | |
| 100 | 1 | |a Wiskandt, Jonathan |u Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden | |
| 245 | 1 | |a Marine melt in three dimensional Greenlandic sill fjord simulations | |
| 260 | |b Cambridge University Press |c Jul 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a Submarine glacier melt rates of the Greenland Ice Sheet remain a major uncertainty in climate model projections of future sea level rise. Development of submarine melt parameterizations has to a high degree relied on ocean circulation modelling of glacial fjords, designed to quantify effects such as ocean thermal forcing and fjord–glacier geometry. Greenlandic fjords are relatively narrow, and it is frequently assumed that across-fjord flow variations are small enough to allow marine melt to be quantified with two-dimensional ocean-circulation models. Here, we present three-dimensional model simulations showing that the interplay between fjord–glacier geometry, side wall friction, and Earth’s rotation makes the circulation in ice-shelf cavities three-dimensional even in narrow fjords. Remarkably, we find that Earth’s rotation changes the flow pattern in the cavity below the ice shelf, leading to a decrease in the marine melt on a 10 km wide ice shelf by a factor of five compared to a non-rotating simulation. Our study prompts using three-dimensional model configurations of Greenlandic fjords. | |
| 651 | 4 | |a Antarctica | |
| 651 | 4 | |a Greenland | |
| 653 | |a Surface water | ||
| 653 | |a Glaciers | ||
| 653 | |a Rotation | ||
| 653 | |a Fjords | ||
| 653 | |a Sea level rise | ||
| 653 | |a Sea level changes | ||
| 653 | |a Ocean currents | ||
| 653 | |a Ice shelves | ||
| 653 | |a General circulation models | ||
| 653 | |a Glaciation | ||
| 653 | |a Flow pattern | ||
| 653 | |a Simulation | ||
| 653 | |a Ocean circulation | ||
| 653 | |a Ice | ||
| 653 | |a Land ice | ||
| 653 | |a Ice sheets | ||
| 653 | |a Three dimensional models | ||
| 653 | |a Salinity | ||
| 653 | |a Holes | ||
| 653 | |a Flow distribution | ||
| 653 | |a Wall friction | ||
| 653 | |a Ocean models | ||
| 653 | |a Circulation | ||
| 653 | |a Glacier melting | ||
| 653 | |a Greenland ice sheet | ||
| 653 | |a Water circulation | ||
| 653 | |a Ocean circulation models | ||
| 653 | |a Oceans | ||
| 653 | |a Temperature | ||
| 653 | |a Climate models | ||
| 653 | |a Environmental | ||
| 700 | 1 | |a Koszalka, Inga Monika |u Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Nelsone, Laura |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Nilsson, Johan |u Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden | |
| 773 | 0 | |t Journal of Glaciology |g vol. 71 (Jul 2025) | |
| 786 | 0 | |d ProQuest |t Research Library | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3260288611/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text |u https://www.proquest.com/docview/3260288611/fulltext/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3260288611/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |