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The Tasman International Geospace Environment Radar (TIGER) is an over-the-horizon radar that locates ionospheric structures in the region between Tasmania and Antarctica, measuring their velocities.
This project will use ultramafic xenoliths - samples of the mantle beneath Heard Island to study the formation and evolution of the Kerguelen-Heard Plateau. Such plateaus are thought to represent an important stage in the formation of continents over the earths history.
This project will undertake preliminary assessment of Southern Ocean squid stocks. Squids will be collected by jigging and light trapping off research vessels in the region of Macquarie Island and other selected locations where the opportunity arises.
The variability of Antarctic sea ice is of paramount importance to Australian Antarctic operations and to studies of climate change. This project will extend a computer-based expert system for the automated analysis of satellite images of East Antarctica.
The climate variability of the Southern Ocean sector of the circum-Antarctic and East Antarctic is being investigated using ice core studies. Ice cores retrieved from 100 m deep boreholes in Wilkes Land, East Antarctica, will provide a 200-300 year archive of climate history.
Heavy metal and hydrocarbon contaminated sites located in Antarctica and the sub-Antarctic islands are a major threat to Antarctic ecosystems that should be remediated.
Increased ultraviolet radiation (UV-A and/or UV-B) may impact on the establishment and structure of a shallow water benthic invertebrate assemblages.
Freshwater lakes and ponds are a significant feature of subantarctic islands.
This project focuses on insects, the ecologically dominant group of terrestrial animals on sub-Antarctic islands in general, and Heard Island in particular.
Few cases of introduced disease have been confirmed in Antarctic or sub-Antarctic wildlife however several unexplained mortality events of over a thousand animals each have been recorded.