Permafrost in Antarctica's Dry Valleys is releasing CO2, while the East Antarctic Ice Sheet (EAIS) is approaching runaway melting and the West Antarctic Ice Sheet (WAIS) has collapsed in the recent past.
Scientists have discovered a well-preserved ancient landscape beneath the East Antarctic Ice Sheet (EAIS) using satellite data and radio-echo-sounding capabilities. The landscape, formed by ancient rivers around 14 million years ago, remained remarkably unchanged despite the glaciation of the continent. The findings provide insights into the early formation and history of the EAIS and could help understand its response to climate change. The researchers believe there may be more hidden features beneath Antarctica's ice waiting to be discovered.
Scientists have discovered an ancient river landscape hidden beneath the East Antarctic Ice Sheet, which existed between 34 million to 60 million years ago. The landscape, estimated to have been buried for 14 million to 34 million years, was found using satellites and ice-penetrating radar. Climate warming could result in ice retreat into this region for the first time in at least the last 14 million years, potentially revealing the preserved ancient landscape. The study provides insights into the past climate of Antarctica and the breakup of the Gondwana supercontinent.