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Microbiology of Antarctic Sea-ice: Diatoms of Antarctic Sea-ice as Agents of Primary Production [PDF]
Microbiology of Antarctic Sea-ice: Diatoms of Antarctic Sea-ice as Agents of Primary ...
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Primary Production in Antarctic Sea Ice
Science, 1997A numerical model shows that in Antarctic sea ice, increased flooding in regions with thick snow cover enhances primary production in the infiltration (surface) layer. Productivity in the freeboard (sea level) layer is also determined by sea ice porosity, which varies with temperature. Spatial and temporal variation in snow thickness and the proportion
Michael P. Lizotte+4 more
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On the radiation characteristics of Antarctic Sea Ice [PDF]
Abstract Radiative measurements were carried out continuously during a cruise from Australia to Antarctica during austral summer 1995/96. Both shortwave and longwave radiative fluxes were measured. Some of the results are: The incoming solar radiation had a mean value of 217 W m–2; this was a relatively weak value due to the large amount of fractional ...
Blake Moore+3 more
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Antarctic Sea Ice: 1972-1975 [PDF]
rT HE areal extent and variability of sea ice is one of the most important of the numerous components that interact to produce global climatic patterns, even for areas far removed from the polar zones. Sea ice in the south-polar region exhibits significant seasonal and interannual variations that from a practical viewpoint are important for Antarctic ...
David A. Howarth, John N. Rayner
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Dissolved carbohydrates in Antarctic sea ice
Antarctic Science, 2001Concentrations of dissolved monocarbohydrates (MCHO) and polycarbohydrates (PCHO) were analysed in a variety of ice habitats from summer Weddell Sea sea ice (surface ponds, ice cores, gap layers and platelet ice). The dissolved organic carbon (DOC) pool in these habitats was also measured and the contribution of carbohydrate to this pool was assessed ...
Herborg L-M+4 more
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Seasonal Change of Antarctic Sea Ice Cover [PDF]
The winter expansion of the sea ice surrounding Antarctica and the subsequent retreat of the ice in summer may be linked with the wind stress acting on the Southern Ocean in conjunction with the heat exchange in open water regions within the ice fields.
Arnold L. Gordon, Hoyt W. Taylor
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Microbial mercury methylation in Antarctic sea ice
Nature Microbiology, 2016Atmospheric deposition of mercury onto sea ice and circumpolar sea water provides mercury for microbial methylation, and contributes to the bioaccumulation of the potent neurotoxin methylmercury in the marine food web. Little is known about the abiotic and biotic controls on microbial mercury methylation in polar marine systems.
Caitlin M. Gionfriddo+9 more
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Mechanical Properties of Antarctic Sea Ice
Journal of Offshore Mechanics and Arctic Engineering, 1988Abstract Ice samples were extracted from a land-fast ice sheet of 90 cm thickness at Lutzow-Holm Bay in the Antarctica. The ice samples were then shipped to a cold room in Tokyo, and unconfined uniaxial compression tests and fracture toughness tests were performed for a wide range of loading rate under temperature varying from −5°C to ...
N. Urabe, M. Inoue
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The Arctic and Antarctic Sea Ice
2018This chapter covered Arctic and Antarctic climate. It discussed Arctic warming and focused on various related areas including Arctic Sea ice – last few years and recent decline. Recent behaviour of Antarctic Sea ice was also addressed.
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Sea ice macrofauna in the Antarctic and the Arctic
Journal of Marine Systems, 1991Abstract Sea ice faunal assemblages (= sympagic assemblages) with invertebrates and fish are recorded both in the Antarctic and the Arctic. Primary structuring factors of the assemblages are age and drift pattern of the ice, hydrography and water currents in the immediate vicinity of the ice, and distance to the benthic habitat.
O. J. Lønne, Bjørn Gulliksen
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