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Aim … Polar and alpine plants live at the edge of their physiological limits. Thus, relatively small changes in climate can have disproportionate effects on biological and ecological processes. Antarctic mosses display highly variable micro-topography (canopy architecture)…
Antarctica has experienced major changes in temperature, wind speed and stratospheric ozone levels over the last 50 years. Whilst West Antarctica and the peninsula have shown rapid warming and consequent ecosystem change, East Antarctica appeared to be little impacted by climate warming…
The Southern Ocean islands are some of the most isolated landmasses in the world. Few of the islands support permanent human settlements or land based industries and as such they remain as some of the most uninvaded landscapes globally.
Cold events (CEs) are an important feature of southern Australian weather. Unseasonably cold conditions … can have a significant impact on Australia’s agricultural industry and other aspects of society. In this study the … bottom 0.4% of maximum temperatures in Melbourne and Perth from the 1958…
Adding carbon dioxide (CO2) to the ocean alters the carbonate chemistry and lowers pH, making surface waters more acidic and decreasing the carbonate ions available to calcifiers for calcite and aragonite production.
Anthropogenic CO2 added to the atmosphere during and since the industrial revolution is entering the global ocean. Addition of extra (anthropogenic) CO2 to the ocean changes the carbonate chemistry and the pH of the surface ocean…
Ground-based Fabry-Perot spectrometer observations from the Australian Antarctic stations of Davis and Mawson show an upward wind ~100 m s-1 in the thermosphere at ~240 km altitude on the night of Day of Year 159 in 1997.
The thermopheric oxygen l630 nm emission has been observed using high-resolution Fabry-Perot spectrometers at Mawson (67.6°S, 62.9°E) and Davis (68.6°S, 78.0°E), Antarctica. A new technique, combining the results from the two instruments, is used to derive vector wind fields.