On the outflow of dense water from the Weddell and Ross Seas in OCCAM model

Kerr, R., Heywood, K. J. ORCID: https://orcid.org/0000-0001-9859-0026, Mata, M. M. and Garcia, C. A. E. (2012) On the outflow of dense water from the Weddell and Ross Seas in OCCAM model. Ocean Science, 8 (3). pp. 369-388. ISSN 1812-0784

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Abstract

We describe the seasonal and interannual variability of volume transports in the Weddell and Ross Seas using the 1/12° 20-yr simulation of the OCCAM global ocean general circulation model. The average simulated full-depth cumulative volume transports were 28.5 ± 2.9 Sv (1 Sv ≡ 106 m3 s−1) and 13.4 ± 5.2 Sv, across the main export regions of the Weddell and Ross Seas, respectively. The values of mean outflow of Antarctic Bottom Water (AABW) (defined by neutral density γn ≥ 28.27 kg m−3) from the Weddell and Ross Seas of 10.6 ± 3.1 Sv and 0.5 ± 0.7 Sv, respectively, agree with the range reported in historical observational studies. The export of Weddell Sea dense water in OCCAM is primarily determined by the strength of the Weddell Gyre. Variability in AABW export is predominantly at periods of ~1 yr and 2–4 yr.

Item Type: Article
Additional Information: © Author(s) 2012. This work is distributed under the Creative Commons Attribution 3.0 License.
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: Users 2731 not found.
Date Deposited: 26 Mar 2013 21:30
Last Modified: 23 Oct 2022 00:19
URI: https://ueaeprints.uea.ac.uk/id/eprint/42002
DOI: 10.5194/os-8-369-2012

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