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Heat flux variations over sea ice observed at the coastal area of the Sejong Station, Antarctica

Heat flux variations over sea ice observed at the coastal area of the Sejong Station, Antarctica Abstract This study presents variations of sensible heat flux and latent heat flux over sea ice observed in 2011 from the 10-m flux tower located at the coast of the Sejong Station on King George Island, Antarctica. A period from July to September was selected as a sea ice period based on daily record of sea state and hourly photos looking at the Marian Cove in front of the Sejong Station. For the sea ice period, mean sensible heat flux is about −11 Wm−2, latent heat flux is about +2 W m−2, net radiation is −12 W m−2, and residual energy is −3 W m−2 with clear diurnal variations. Estimated mean values of surface exchange coefficients for momentum, heat and moisture are 5.15 × 10−3, 1.19 × 10−3, and 1.87 × 10−3, respectively. The observed exchange coefficients of heat shows clear diurnal variations while those of momentum and moisture do not show diurnal variation. The parameterized exchange coefficients of heat and moisture produces heat fluxes which compare well with the observed diurnal variations of heat fluxes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Asia-Pacific Journal of Atmospheric Sciences" Springer Journals

Heat flux variations over sea ice observed at the coastal area of the Sejong Station, Antarctica

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References (26)

Publisher
Springer Journals
Copyright
2013 Korean Meteorological Society and Springer Science+Business Media Dordrecht
ISSN
1976-7633
eISSN
1976-7951
DOI
10.1007/s13143-013-0040-z
Publisher site
See Article on Publisher Site

Abstract

Abstract This study presents variations of sensible heat flux and latent heat flux over sea ice observed in 2011 from the 10-m flux tower located at the coast of the Sejong Station on King George Island, Antarctica. A period from July to September was selected as a sea ice period based on daily record of sea state and hourly photos looking at the Marian Cove in front of the Sejong Station. For the sea ice period, mean sensible heat flux is about −11 Wm−2, latent heat flux is about +2 W m−2, net radiation is −12 W m−2, and residual energy is −3 W m−2 with clear diurnal variations. Estimated mean values of surface exchange coefficients for momentum, heat and moisture are 5.15 × 10−3, 1.19 × 10−3, and 1.87 × 10−3, respectively. The observed exchange coefficients of heat shows clear diurnal variations while those of momentum and moisture do not show diurnal variation. The parameterized exchange coefficients of heat and moisture produces heat fluxes which compare well with the observed diurnal variations of heat fluxes.

Journal

"Asia-Pacific Journal of Atmospheric Sciences"Springer Journals

Published: Aug 1, 2013

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