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Creching emperor penguin (Aptenodytes forsteri) chicks were exposed to two overflights by a Sikorsky S-76, twin engine helicopter at 1000 m (3300 ft), a current operational guideline of the Australian Antarctic Division for helicopter activity in Antarctica.
From 1997 to 1999 a series of campaigns were undertaken at the Australian Antarctic polar cap station Casey (-80.6o CGM latitude) with the aim of identifying and gaining further understanding of polar patches. The main instrument used for these campaigns was a Lowell Digital Ionosonde (DPS-4)…
Changes in the ice load since the time of the Last Glacial Maximum (LGM) contribute to the present-day vertical motion of the Antarctic continent. The observation of these motions will reveal information on the ice load history.
A method has been developed for the routine determination of four arsenic species (arsenite, arsenate, monomethylarsenic and dimethylarsenic) in natural water, and has been applied to a study of arsenic cycling in open ocean (Atlantic and Southern Ocean) and estuarine (Huon Estuary, Tasmania)…
It is commonly presumed that historic material in Antarctica should be well preserved because of the severe, dry cold. Examination of several historic Antarctic sites, however, reveals that many buildings and artefacts suffer deterioration from humidity.