Ice-sheet and glacier modelling
The physics of ice sheet dynamics are presented, with an emphasis on the recently developed understanding of the marine ice sheet instability. The relationship between the shallow approximations to the […]
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Read more of: Ice-sheet and glacier modelling
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Diverse landscapes beneath Pine Island Glacier influence ice flow
Read more of: Diverse landscapes beneath Pine Island Glacier influence ice flowThe retreating Pine Island Glacier (PIG), West Antarctica, presently contributes ~5–10% of global sea-level rise. PIG’s retreat rate has increased in recent decades with associated thinning migrating upstream into tributaries […]
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Pole-to-pole connections: Similarities between Arctic and Antarctic microbiomes and their vulnerability to environmental change
Read more of: Pole-to-pole connections: Similarities between Arctic and Antarctic microbiomes and their vulnerability to environmental changeThe global biogeography of microorganisms remains poorly resolved, which limits the current understanding of microbial resilience toward environmental changes. Using high-throughput 16S rRNA gene amplicon sequencing, we characterized the microbial […]
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The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krill
Read more of: The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krillA dominant Antarctic ecological paradigm suggests that winter sea ice is generally the main feeding ground for krill larvae. Observations from our winter cruise to the southwest Atlantic sector of […]
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The spatial structure of the 128 ka Antarctic sea ice minimum
Read more of: The spatial structure of the 128 ka Antarctic sea ice minimumWe compare multi-ice core data with δ18O model output for the early last interglacial Antarctic sea ice minimum. The spatial pattern of δ18O across Antarctica is sensitive to the spatial […]
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Highly temporally resolved response to seasonal surface melt of the Zachariae and 79N outlet glaciers in northeast Greenland
Read more of: Highly temporally resolved response to seasonal surface melt of the Zachariae and 79N outlet glaciers in northeast GreenlandThe seasonal response to surface melting of the Northeast Greenland Ice Stream outlets, Zachariae and 79N, is investigated using new highly temporally resolved surface velocity maps for 2016 combined with […]
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Evidence for a dynamic grounding-line in outer Filchner Trough, Antarctica, until the early Holocene
Read more of: Evidence for a dynamic grounding-line in outer Filchner Trough, Antarctica, until the early HolocenePrevious reconstructions of ice-sheet changes in Antarctica’s Weddell Sea sector since the Last Glacial Maximum (LGM) at 19–23 cal. (calibrated) kyr B.P. suffered from large uncertainties and were partly contradictory. […]
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Mesozoic radiolarian faunas from the Antarctic Peninsula: age, tectonic and palaeoceanographic significance
Read more of: Mesozoic radiolarian faunas from the Antarctic Peninsula: age, tectonic and palaeoceanographic significanceNew assemblages of Radiolaria, including some of the few occurrences of high southern latitude Jurassic and Cretaceous radiolarian faunas, show that several localities in the LeMay Group of Alexander Island […]
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Production of soma and gonad in maturing female Illex argentinus (Mollusca: Cephalopoda)
Read more of: Production of soma and gonad in maturing female Illex argentinus (Mollusca: Cephalopoda)Samples of male Illex argentinus were taken from the catch of a Japanese squid jigging vessel on the Patagonian Shelf during March 1986 and an analysis was carried out on […]
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Trace splitting of whistlers: A signature of fine structure or mode splitting in magnetospheric ducts?
Read more of: Trace splitting of whistlers: A signature of fine structure or mode splitting in magnetospheric ducts?Previously, we reported on the discovery of fine structure in whistler data received on the ground at Halley, Antarctica. This structure was not apparent in conventional spectral analysis but was […]
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Rock weathering, soil development and colonization under a changing climate
Read more of: Rock weathering, soil development and colonization under a changing climateAntarctic continental soils are arid, saline and lacking in organic matter, whereas maritime soils, in a wetter environment, range from structureless lithosols to frozen peat. Two important factors in the […]