What causes the location of the air-sea turbulent heat flux maximum over the Labrador Sea?

Moore, G.W.K., Pickart, R.S., Renfrew, I.A. and Våge, K. (2014) What causes the location of the air-sea turbulent heat flux maximum over the Labrador Sea? Geophysical Research Letters, 41 (10). pp. 3628-3635. ISSN 0094-8276

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Abstract

The Labrador Sea is a region of climatic importance as a result of the occurrence of oceanic wintertime convection, a process that is integral to the Atlantic Meridional Overturning Circulation. This process requires large air-sea heat fluxes that result in a loss of surface buoyancy, triggering convective overturning of the water column. The Labrador Sea wintertime turbulent heat flux maximum is situated downstream of the ice edge, a location previously thought to be causal. Here we show that there is considerable similarity in the characteristics of the regional mean atmospheric circulation and high heat flux events over the Labrador Sea during early winter, when the ice is situated to the north, and midwinter, when it is near the region of maximum heat loss. This suggests that other factors, including the topography of the nearby upstream and downstream landmasses, contribute to the location of the heat flux maximum.

Item Type: Article
Uncontrolled Keywords: air-sea interaction,oceanic convection,extratropical cyclones,flow distortion,polar meterology
Faculty \ School: Faculty of Science > School of Environmental Sciences
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Depositing User: Pure Connector
Date Deposited: 04 Jul 2014 12:40
Last Modified: 24 Jul 2019 19:59
URI: https://ueaeprints.uea.ac.uk/id/eprint/48833
DOI: 10.1002/2014GL059940

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