Results 291 to 300 of about 197,433 (331)

Synchronous mid-Holocene marine and terrestrial deglaciation in the Ross Sea, Antarctica. [PDF]

Nat Commun
Parker RL, Riesselman CR, Truax OJ, Jones RS, Lee JI, Lee MK, Jacobsen G, Rosenheim BE, Subt C, Zawadzki A, Ginnane C, Naeher S, Dunbar G, McKay RM, Levy R, Turnbull J, Yoo KC.   +16 more
europepmc   +1 more source

Remote sensing of Antarctic sea ice thickness applying airborne laser scanner

, 2008
JL Lieser, AP Worby, Donghui Yi
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Microplastic contamination in east Antarctic sea ice.

Marine Pollution Bulletin, 2020
The durability of plastics in the marine environment has led to concerns regarding the pervasiveness of this debris in remote polar habitats. Microplastic (MP) enrichment in East Antarctic sea ice was measured in one ice core sampled from coastal land-fast sea ice.
A. Kelly, D. Lannuzel, T. Rodemann, K. Meiners, H. Auman   +4 more
semanticscholar   +3 more sources

BIOGEOCHEMISTRY OF ANTARCTIC SEA ICE

2002
Antarctic sea ice at its maximum extent in winter covers 40% of the Southern Ocean in a frozen layer, on average, 1 m thick. Sea ice is not solid, rather it is an ice crystal matrix permeated by a labyrinth of brine filled channels and pores in which life thrives.
Gerhard Dieckmann, David Thomas
openaire   +2 more sources

Whither Antarctic Sea Ice?

Science, 2003
The extent of sea ice around Antartica and the Arctic should be a sensitive indicator of climatic change at the poles. In his Perspective, Wolff highlights the report of Curran et al ., who have compared a potential chemical proxy for sea ice extent from an ice core with satellite records for sea ice extent in the nearby ocean.
openaire   +2 more sources

Ciliates from Antarctic sea ice

Polar Biology, 2000
Five ciliates, Chlamydonella prostomata nov. sp., Paractedoctema acruosa nov. gen., nov. sp., Urocyclon ovatum nov. gen., nov. sp., Porpostoma grassei (Corliss and Snyder 1986) and Cytharoides balechi Tuffrau 1974, collected from sea ice in the Weddell Sea, Antarctica were morphologically and taxonomically investigated.
Weibo Song, Norbert Wilbert
openaire   +1 more source

Antarctic Sea Ice: 1972-1975

Geographical Review, 1979
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 ...
John N. Rayner, David A. Howarth
openaire   +1 more source

Microbial mercury methylation in Antarctic sea ice

Nature Microbiology, 2016
Atmospheric 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, Michael T. Tate, Ryan R. Wick, Mark B. Schultz, Adam Zemla, Michael P. Thelen, Robyn Schofield, David P. Krabbenhoft, Kathryn E. Holt, John W. Moreau   +9 more
openaire   +2 more sources

Understanding the Seasonal Cycle of Antarctic Sea Ice Extent in the Context of Longer‐Term Variability

Reviews of Geophysics, 2019
Over the 40‐year satellite record, there has been a slight increasing trend in total annual mean Antarctic sea ice extent of approximately 1.5% per decade that is made up of the sum of significantly larger opposing regional trends.
Clare Eayrs, D. Holland, D. Francis, T. Wagner, R. Kumar, Xichen Li   +5 more
semanticscholar   +1 more source