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There are continuing efforts to refine our understanding of the association … between Polar Mesospheric Clouds (PMCs) and Polar Mesosphere Summer Echoes … (PMSEs).
The existence of Polar Mesosphere Summer Echoes (PMSE) in the Southern … Hemisphere (SH) has been confirmed using MST radar, HF radar and a Dynasonde. Studies spanned the geographic latitudes 62.1°S (Machu Picchu), 68.6°S (Davis), 69.0°S (Syowa), and 75.5°S (Halley Bay).
Mesosphere Summer Echoes (MSE) have been observed with 50-MHz VHF … radars at middle (MSE) and polar latitudes (PMSE) in the Northern Hemisphere for … more than 20 years. However measurements in the Southern Hemisphere were in the … past rare and limited to low southern latitudes.
A function that approximates atmospheric tidal behavior in the polar regions is … described.
Long-term studies at Bird Island, South … Georgia, show that numbers of wandering, black-browed … and grey-headed albatrosses have been decreasing … since the late 1970s. To determine the status of the total … South Georgia population…
Longline fisheries have been responsible for the deaths of large numbers of seabirds worldwide. Two of the most difficult seabird species to deter from baited hooks are the whitechinned … petrel (Procellaria aequinoctialis) and sooty shearwater (Puffinus griseus).
Total dissolvable iron (TDFe) was measured in sections of ice cores recovered from Law Dome on the … coast of Wilkes Land, East Antarctica. These samples include ice dating from the Last Glacial Maximum … (LGM), the Last Deglaciation…
We used a snow pit record in conjunction with detailed snow accumulation data and … oxygen isotope records to examine atmospheric transport and deposition effects on 10Be at … Law Dome, Antarctica.
The water quality of a marine embayment (Brown Bay) was monitored during the remediation of an abandoned waste disposal site at … Casey Station, East Antarctica, using a combination of biomonitoring and chemical methods. The Antarctic amphipod Paramoera walkeri…
The Australian Antarctic Data Centre (AADC) plays a key role in managing and providing … access to scientific data collected under the auspices of the Australian Antarctic program. Through its membership of the Joint Committee of Antarctic Data Management (JCADM)…