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Studies of Eddies in the Marginal Ice Zone Along the East Greenland Current Using Spaceborne Synthetic Aperture Radar (SAR)

Authors: Bondevik, Elin;

Studies of Eddies in the Marginal Ice Zone Along the East Greenland Current Using Spaceborne Synthetic Aperture Radar (SAR)

Abstract

The characteristic ice edge eddies in the Marginal Ice Zone (MIZ) are studied based on satellite information from the Advanced Synthetic Aperture Radar (ASAR) instrument. The eddies frequency of existence during the day, month, and year, and their relationship to the wind field conditions are considered. On average, more than 1000 sea ice eddies were counted along the ice margin per year for 2008 and 2009. Eddies contribute to an enhanced melting by forcing contact between the sea ice and the warmer water off the ice edge. The amount of sea ice an eddy can carry is estimated to be 1413.7 km^2. This constitutes 0.7*10^6 by including the modified total of eddies during a year. The daily retreat of the ice edge is found to be 3.5 km d^-1 per 100 km of ice edge. This estimation is based on the bottom ablation, radius of the eddy, distance between two neighbouring eddies, thickness of ice and fraction of sea ice trapped in an eddy. The influence of the wind shows that relative low wind speed and wind directed from the north favours the existence of eddies. Master i Meteorologi og oseanografi MAMN-GEOF GEOF399

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Norway
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Keywords

:Mathematics and natural science: 400::Physics: 430 [VDP], 550, 756213, VDP::Mathematics and natural science: 400::Geosciences: 450::Oceanography: 452, 551, VDP::Mathematics and natural science: 400::Physics: 430, :Mathematics and natural science: 400::Geosciences: 450::Oceanography: 452 [VDP]

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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Green