157 to 168 of 14024 results
Stomach oil deposits from the sea-ice associated seabird, the snow petrel (Pagodroma nivea) can be found close to nesting sites beneath crevices and boulders in many Antarctic mountain ranges. These […]
Polar systems are experiencing major changes that has significant implications for ocean circulation and global biogeochemistry. While these changes are accelerating, access to polar systems is decreasing as ships and […]
Atmospheric gravity waves and traveling ionospheric disturbances can be observed in the neutral atmosphere and the ionosphere at a wide range of spatial and temporal scales. Especially at medium scales, […]
The detrimental impacts of human activity in Antarctica can pose significant threats to the continent’s ecosystems and diversity. Various pollutants have been detected in Antarctica, including hydrocarbon compounds derived from […]
While the processes controlling pore closure are broadly understood, the physical mechanisms driving the associated elemental fractionation remains ambiguous. Previous studies have shown that the pore closure process leads to […]
The calcite of fossil brachiopods is a prime target for the reconstruction of palaeoenvironmental conditions through much of the Phanerozoic, utilizing a growing number of isotopic and chemical proxies. However, […]
Dissolved iron (dFe) and manganese (dMn) are essential micronutrients required in marine primary production; however, their low availability limits productivity and impacts the efficiency of the biological carbon pump. Therefore, […]
We investigate the neutral wind and semidiurnal tide (SDT) variations in the mesosphere and lower thermosphere (MLT) during two consecutive minor Southern Hemisphere (SH) sudden stratospheric warmings (SSWs) that occurred […]
Snow and glacier algal blooms are increasingly well documented in the Northern Hemisphere, but their diversity and ecology in Antarctic regions remains poorly understood. Here, we present the outcomes of […]
As new airborne surveys of the Antarctic ice sheet are completed, the ever-enlarging survey dataset provides an opportunity for generating new ‘Bedmaps’ of ice thickness, surface and bed topography. These […]
Understanding lineage divergence is crucial for uncovering cryptic biodiversity. Adaptive divergence, geographic isolation and life-history traits drive speciation in heterogeneous environments. The gentoo penguin complex (Pygoscelis spp.), historically treated as […]
Ocean-driven basal melting of Antarctic ice shelves plays an important role in the mass loss of the Antarctic Ice Sheet. Ice shelf cavity-resolving ocean models are a valuable tool for […]