Sydney: Antarctic sea ice coverage has plummeted to an unprecedented low in early September, according to researchers from the Australian Antarctic Program Partnership and the Bureau of Meteorology.
This marks the lowest level of Antarctic sea ice since satellite records began. On this day in 2023, the sea ice coverage was recorded at 1.71 million square kilometers, significantly below the long-term average of 1.804 million square kilometers for September 7.
Will Hobbs, a sea ice researcher at the Australian Antarctic Program Partnership, emphasized the gravity of this new minimum level. “The sea ice system around Antarctica is entering uncharted territory,” he stated. “The last two years have been the warmest on record globally, with temperatures consistently more than 1.5 degrees Celsius above pre-industrial levels. This global warming is now evident in the oceans surrounding Antarctica and is likely a major factor in the continuing record low sea ice”.
Phil Read from the Bureau of Meteorology highlighted the broader implications of this trend. Recent studies suggest that reduced Antarctic sea ice coverage could lead to more prolonged and intense wet summertime extremes in Australia, as well as longer dry periods during winter. The Antarctic winter, which typically begins in March and lasts until October, is now showing signs of significant change.
This alarming development underscores the urgent need for global climate action to mitigate the impacts of rising temperatures on our planet’s delicate ecosystems.