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The largest regional drivers of current surface elevation increases in the Antarctic Ice Sheet are associated with ice flow reconfiguration in previously active ice streams, highlighting the important role of ice dynamics in mass balance calculations. Here…
Human-caused climate change worsens with every increment of additional warming, although some impacts can develop abruptly. The potential for abrupt changes is far less understood in the Antarctic compared with the Arctic, but evidence is emerging for rapid…
Vincennes Bay is a region of East Antarctica vulnerable to sub-ice shelf basal melting from warm ocean water intrusions. The sub-ice shelf bathymetry in this region is largely unknown, despite its importance for ocean dynamics within ice shelf cavities and associated sub-ice shelf basal melting.
The last glacial termination was characterised by millennial-scale episodes of warming and cooling that appear offset between the hemispheres. It has been proposed that this bi-polar seesaw is the result of climate system feedbacks. A key debate, which remains unresolved…
The presence of unique biological archives (e.g., springtails, Arthropoda: Collembola) in Antarctic ice-free regions provides powerful evidence for testing assumptions about when and how the current ice sheet reached its present-day configuration. Springtails, where present, may suggest long-term…
The first year of life is critical for large mammals to acquire foraging and predator avoidance skills. Southern elephant seal (Mirounga leonina) pups wean at approximately three weeks of age and depart on their first foraging trips in midsummer…
Commercial sealers exterminated the original … fur seal population at Macquarie Island in the early 1800s. The Wrst breeding record since the sealing era was not … reported until March 1955. Three species of fur seal now … occur at Macquarie Island, the Antarctic (Arctocephalus … gazella)…
Past changes in East Antarctic Ice Sheet (EAIS) volume are poorly known and diffi cult to … measure, yet are critical for predicting the response of the ice sheet to modern climate change. In particular, it is important to identify the sources of sea-level rise since the Last Glacial … Maximum (LGM)…