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Estimation of Surface Heat/Salt Fluxes Associated with Sea Ice Growth/Melt in the Southern Ocean

Citation

Tamura, T and Ohshima, KI and Nihashi, S and Hasumi, H, Estimation of Surface Heat/Salt Fluxes Associated with Sea Ice Growth/Melt in the Southern Ocean, SOLA: Scientific Online Letters on the Atmosphere, 7 pp. 17-20. ISSN 1349-6476 (2011) [Refereed Article]


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Copyright Statement

Copyright 2011 Meteorological Society of Japan

DOI: doi:10.2151/sola.2011-005

Abstract

The sinking of dense water in the polar oceans plays a key role in global thermohaline circulation, leading to heat and material exchange between the atmosphere and deep ocean. This study provides the first surface heat and salt flux dataset for the Southern Ocean (including a treatment of sea ice growth and melt), based on heat flux calculations and satellite-derived sea ice data. The geographical distribution of annual net heat (salt) flux shows a distinct contrast: significant cooling of (salt release into) the ocean occurs in the coastal region, and net heating of (freshwater release into) the ocean occurs in the offshore region. The work tries a quantitative representation of heat and freshwater transport by sea ice formed in the coastal region to offshore. Since hemisphericscale heat and salt fluxes associated with sea ice growth and melt have not been estimated from observations to date, the present dataset will provide new information with which to validate coupled ice-ocean models while providing important boundary conditions for the various models.

Item Details

Item Type:Refereed Article
Keywords:heat/salt fluxes, sea ice, Southern Ocean
Research Division:Earth Sciences
Research Group:Oceanography
Research Field:Physical Oceanography
Objective Division:Environment
Objective Group:Other Environment
Objective Field:Antarctic and Sub-Antarctic Oceanography
Author:Tamura, T (Dr Takeshi Tamura)
ID Code:76891
Year Published:2011
Web of Science® Times Cited:18
Deposited By:CRC-Antarctic Climate & Ecosystems
Deposited On:2012-03-14
Last Modified:2017-10-31
Downloads:0

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