9685 to 9696 of 13838 results
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Late Holocene changes in cyanobacterial community structure in maritime Antarctic lakes
Read more of: Late Holocene changes in cyanobacterial community structure in maritime Antarctic lakesDespite the dominance of cyanobacteria in polar freshwater aquatic ecosystems, little is known about their past biodiversity and response to climate and environmental changes. We explored the use of light […]
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Differences in the timing and extent of annual moult of black-browed albatrosses Thalassarche melanophris living in contrasting environments
Read more of: Differences in the timing and extent of annual moult of black-browed albatrosses Thalassarche melanophris living in contrasting environmentsMoult entails costs related to the acquisition of energy and nutrients necessary for feather synthesis, as well as the impact of reduced flight performance induced by gaps in the wing […]
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Paleoclimate, Paleoclimate history of the Arctic
Read more of: Paleoclimate, Paleoclimate history of the ArcticAlthough the Arctic occupies less than 5% of the Earth’s surface, it includes some of the strongest positive feedbacks in the climate system. Reconstructing the climate history of the Quaternary […]
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Inter-year differences in survival of Atlantic puffins Fratercula arctica are not associated with winter distribution
Read more of: Inter-year differences in survival of Atlantic puffins Fratercula arctica are not associated with winter distributionMiniature geolocator loggers (Global Location Sensing, GLS) that provide daily locations of birds have revolutionised the study of winter ecology and migration patterns of seabirds. A long-term study of ringing […]
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Reduced seasonality in elemental CHN composition of Antarctic marine benthic predators and scavengers
Read more of: Reduced seasonality in elemental CHN composition of Antarctic marine benthic predators and scavengersAt all but the lowest latitudes, photoperiod varies through the year, resulting in seasonal variation in coastal primary productivity. This leads to a pronounced seasonality in the physiology of most […]
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Ice core methods, conductivity studies
Read more of: Ice core methods, conductivity studiesElectrical measurements of ice cores are used to obtain high time resolution records of past climate. The electrical conductivity method is sensitive to the acidity of the ice. The dielectric […]
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Three-dimensional mapping by Cryosat 2 of subglacial lake volumes
Read more of: Three-dimensional mapping by Cryosat 2 of subglacial lake volumesWe analyze data acquired by the CryoSat-2 interferometric radar altimeter and demonstrate its novel capability to track topographic features on the Antarctic Ice Sheet. We map the perimeter and depth […]
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Oceanographic observations at the shelf break of the Amundsen Sea, Antarctica
Read more of: Oceanographic observations at the shelf break of the Amundsen Sea, AntarcticaThe glaciers draining into the Amundsen Sea Embayment are rapidly losing mass, making a significant contribution to current sea level rise. Studies of Pine Island Glacier (PIG) in this region […]
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Sustained retreat of the Pine Island Glacier
Read more of: Sustained retreat of the Pine Island GlacierWe use satellite observations to show that, between 1992 and 2011, the Pine Island Glacier hinge line retreated at a rate of 0.95 ± 0.09 km yr−1 despite a progressive steepening and […]
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The library of the British Antarctic Survey, Cambridge
Read more of: The library of the British Antarctic Survey, CambridgeThe history of the British Antarctic Survey, and of its predecessors, Operation Tabarin and Falkland Islands Dependencies Survey, is outlined. The objectives, stock, and organization of the Survey’s library and […]