Australian scientists aboard RSV Nuyina reported unusual elephant seal deaths on sub-Antarctic Heard Island, showing signs consistent with H5 avian influenza. If confirmed, it would be the first recorded H5 detection in an Australian sub-Antarctic territory.
A study published in the journal Proceedings of the National Academy of Sciences (PNAS) has revealed a significant shift in the Southern Ocean’s surface conditions. This shift is marked by a rapid increase in surface salinity and a corresponding decline in Antarctic sea ice extent. Based on satellite and ocean float data, the findings indicate that the Southern Ocean may have entered a new physical state not previously observed in the modern observational era.
An analysis of seismic waves from earthquakes that occurred between 1991 and 2023 near the South Sandwich Islands in the Southern Ocean showed that Earth’s inner core is not a perfectly uniform sphere but a structure with shifting regions, altering its topography over time.
A shallow earthquake registered by the USGS as M6.0 hit south of Africa at 21:59 UTC on June 18, 2023. The agency is reporting a depth of 10 km (6.2 miles).
The hole in the Antarctic ozone layer has caused changes in the way that waters in those southern oceans mix, which has the potential to alter the amount of CO2 in the atmosphere and eventually could have an impact on global climate change, according to earth scientist
A team of scientists in the United Kingdom and the United States has warned that the native fauna and unique ecology of the Southern Ocean, the vast body of water that surrounds the Antarctic continent, is under threat from human activity. Their study is published
