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A model study of ocean circulation beneath Filchner-Ronne Ice Shelf, Antarctica: Implications for bottom water formation

Jenkins, Adrian; Holland, David M.. 2002 A model study of ocean circulation beneath Filchner-Ronne Ice Shelf, Antarctica: Implications for bottom water formation. Geophysical Research Letters, 29 (8), 1193. 4, pp. 10.1029/2001GL014589

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Abstract/Summary

[1] An isopycnic coordinate ocean circulation model has been applied to the southern Weddell Sea, including the cavity beneath Filchner-Ronne Ice Shelf, with the aim of investigating the buoyancy-forced circulation on the continental shelf. Buoyancy forcing is associated with both the annual growth and decay of sea ice and the interaction between ice shelf and ocean. In the model a generally anti-cyclonic circulation develops beneath the ice shelf, so that new shelf waters entering the cavity in the west emerge colder and fresher in the east. The outflow contributes to a dense current that spills off the continental shelf and descends the slope. Oceanographic observations from the region are consistent with this picture and highlight the overflow as a major source of Weddell Sea Bottom Water.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1029/2001GL014589
Programmes: BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Global Interactions of the Antarctic Ice Sheet
ISSN: 0094-8276
Additional Information. Not used in RCUK Gateway to Research.: Correction (to figures 1 & 2) published in GRL 29(13), 1634, 10.1029/2002GL015647
NORA Subject Terms: Marine Sciences
Glaciology
Date made live: 16 Nov 2011 09:17
URI: http://nora.nerc.ac.uk/id/eprint/13449

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