Formation of intermediate water in the Greenland Sea during the 1990s.

Karstensen, Johannes , Schlosser, P., Blindheim, J., Bullister, J. and Wallace, Douglas W.R. (2003) Formation of intermediate water in the Greenland Sea during the 1990s. Open Access ICES Marine Science Symposia, 219 . pp. 375-377.

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Abstract

The transformation rates of upper water into intermediate water (500 to 1600 m) of the central Greenland Sea are deduced from annual changes in CFC tracer inventories between 1991 and 2000. Transformation was found to be intermittent in time, mainly taking place in the winters of 1994/1995 and 1999/2000. Formation rates are of the order of 0.2 to 0.9 Sv (1 Sv = 106 m3 s_1), equivalent to a 10-year average of up to 0.2 Sv. Associated changes in heat content of the intermediate layer are consistent with a winter-time heat loss of 20 W m-2 over 1 month (75 W n r 2 over 1 week) at the sea surface.

Document Type: Article
Keywords: Greenland Sea, heat flux, variability, water mass formation
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-CH Chemical Oceanography
Refereed: Yes
Open Access Journal?: Yes
ISSN: 0906-060X
Date Deposited: 18 Feb 2008 17:26
Last Modified: 20 Mar 2018 08:27
URI: http://oceanrep.geomar.de/id/eprint/3167

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