The Madeira Mode Water

Siedler, Gerold, Kuhl, Anni and Zenk, Walter (1987) The Madeira Mode Water Journal of Physical Oceanography, 17 (10). pp. 1561-1570. DOI 10.1175/1520-0485(1987)017<1561:TMMW>2.0.CO;2.

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Quasi-homogeneous layers in vertical profiles of temperature and salinity in the eastern North Atlantic near Madeira indicate the existence of a subtropical Mode Water in the Eastern Basin. Temperature sections show a maximum horizontal extent of at least 500 km. The frequency distribution analysis of homogeneous layers in a historical XBT dataset shows a Mode Water formation region near and to the north of Madeira. This Mode Water is found at increasing depths and displaced to the west and southwest during the course of the year after its formation by wintertime convection. It disappears almost completely, due to mixing, before the next winter. Volume estimates suggest that this Madeira Mode Water in the eastern Atlantic accounts for 15–20% of the total Central Water formation in the corresponding density range as obtained from tracer studies in the North Atlantic gyre.

Document Type: Article
Keywords: Physical oceanography
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-PO Physical Oceanography
Refereed: Yes
DOI etc.: 10.1175/1520-0485(1987)017<1561:TMMW>2.0.CO;2
ISSN: 0022-3670
Date Deposited: 25 Sep 2012 12:07
Last Modified: 25 Sep 2012 12:07

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