Interannual variability of newly formed Labrador Sea Water from 1994 to 2005.

Avsic, Tom, Karstensen, Johannes , Send, Uwe and Fischer, Jürgen (2006) Interannual variability of newly formed Labrador Sea Water from 1994 to 2005. Open Access Geophysical Research Letters, 33 (L21S02). DOI 10.1029/2006GL026913.

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Mooring records collected in the central Labrador Sea are evaluated regarding the variability of the hydrographic properties of newly formed Labrador Sea Water (LSW) between 1994 and 2005. This time series is longer and of significantly higher temporal resolution than any discussed before in the context of decreasing convection activity. For the upper 1500 m depth range two distinct warming periods are identified from 1997 to 1999 and from 2003 to 2005 leading to a substantial temperature increase of 0.6°C over the recent decade. The time series of LSW source water properties suggest that ocean transport of heat and freshwater anomalies play a significant role in determining the ultimate convection depth. In 2005 the LSW temperature and salinity had reached high values comparable to those from the early 1970's, shortly after the passage of the Great Salinity Anomaly.

Document Type: Article
Keywords: Labrador Sea Water, interannual variability
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-PO Physical Oceanography
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1029/2006GL026913
ISSN: 0094-8276
Projects: SFB460
Date Deposited: 03 Dec 2008 16:52
Last Modified: 19 Feb 2018 13:34

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