دورية أكاديمية
Model studies of dense water overflows in the Faroese Channels
| العنوان: | Model studies of dense water overflows in the Faroese Channels |
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| المؤلفون: | Cuthbertson, Alan, Davies, Peter, Stashchuk, Nataliya, Vlasenko, Vasiliy |
| المصدر: | Cuthbertson , A , Davies , P , Stashchuk , N & Vlasenko , V 2014 , ' Model studies of dense water overflows in the Faroese Channels ' , Ocean Dynamics , vol. 64 , no. 2 , pp. 273-292 . https://doi.org/10.1007/s10236-013-0685-2Test |
| سنة النشر: | 2014 |
| المجموعة: | Discovery - University of Dundee Online Publications |
| مصطلحات موضوعية: | Circulations, Computational model, Dense water outflows, Faroese Channels, Laboratory model, North Atlantic, Overflows, /dk/atira/pure/subjectarea/asjc/1900/1910, name=Oceanography |
| الوصف: | The overflow of dense water from the Nordic Seas through the Faroese Channel system was investigated through combined laboratory experiments and numerical simulations using the Massachusetts Institute of Technology General Circulation Model. In the experimental study, a scaled, topographic representation of the Faroe-Shetland Channel, Wyville-Thomson Basin and Ridge and Faroe Bank Channel seabed bathymetry was constructed and mounted in a rotating tank. A series of parametric experiments was conducted using dye-tracing and drogue-tracking techniques to investigate deep-water overflow pathways and circulation patterns within the modelled region. In addition, the structure of the outflowing dense bottom water was investigated through density profiling along three cross-channel transects located in the Wyville-Thomson Basin and the converging, up-sloping approach to the Faroe Bank Channel. Results from the dye-tracing studies demonstrate a range of parametric conditions under which dense water overflow across the Wyville-Thomson Ridge is shown to occur, as defined by the Burger number, a non-dimensional length ratio and a dimensionless dense water volume flux parameter specified at the Faroe-Shetland Channel inlet boundary. Drogue-tracking measurements reveal the complex nature of flow paths and circulations generated in the modelled topography, particularly the development of a large anti-cyclonic gyre in the Wyville-Thompson Basin and up-sloping approach to the Faroe Bank Channel, which diverts the dense water outflow from the Faroese shelf towards the Wyville-Thomson Ridge, potentially promoting dense water spillage across the ridge itself. The presence of this circulation is also indicated by associated undulations in density isopycnals across the Wyville-Thomson Basin. Numerical simulations of parametric test cases for the main outflow pathways and density structure in a similarly-scaled Faroese Channels model domain indicate excellent qualitative agreement with the experimental observations and measurements. ... |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | https://discovery.dundee.ac.uk/en/publications/84bdb490-3766-4fd4-a165-0eb97b8bd94eTest |
| DOI: | 10.1007/s10236-013-0685-2 |
| الإتاحة: | https://doi.org/10.1007/s10236-013-0685-2Test https://discovery.dundee.ac.uk/en/publications/84bdb490-3766-4fd4-a165-0eb97b8bd94eTest http://www.scopus.com/inward/record.url?scp=84894049397&partnerID=8YFLogxKTest |
| حقوق: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.ACAF54FE |
| قاعدة البيانات: | BASE |
| DOI: | 10.1007/s10236-013-0685-2 |
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