Physics – Geophysics
Scientific paper
Nov 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3521605n&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 21, CiteID L21605
Physics
Geophysics
10
Geographic Location: Antarctica (4207), Oceanography: General: Continental Shelf And Slope Processes (3002), Oceanography: Physical: General Circulation (1218, 1222), Exploration Geophysics: Instruments And Techniques, Cryosphere: Sea Ice (4540)
Scientific paper
During the austral winter of 2007 a Weddell Seal tagged with a miniaturized conductivity-temperature-depth (CTD) instrument travelled over the central southern Weddell Sea continental shelf. The instrument yielded 750 CTD profiles, 250 of them to the sea floor. The data show a full depth flow of water onto the shelf via a sill at the shelf break (74°S 44°W). The warmth from the core of the flow was able to maintain the surface mixed layer above the freezing point, resulting in a band of reduced ice-production. An estimate of the on-shelf flux suggests that this flow accounts for most of the estimated 3 Sv of water draining from the southern Weddell Sea continental shelf.
Biuw Martin
Boehme Lars
Fedak Michael A.
Nicholls Keith W.
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