The ice sheets of central Antarctica have been stable for millions of years when conditions were warmer than now, a new research has found. Researchers from the Universities of Edinburgh and Northumbria studied rocks on slopes of the Ellsworth Mountains in Antarctica, whose peaks protrude through the ice sheet. However, the scientists are concerned that ice at the coastline is vulnerable to rising temperature, though the discovery points towards the long-term stability of Antarctica’s ice sheet.
The new research calls into question recent claims of much more dramatic ice loss.
Study finds Antarctic peninsula "regionally stacked temperature record for the last three decades has shifted from a warming trend of 0.32 °C/decade during 1979–1997 to a cooling trend of − 0.47 °C/decade during 1999–2014."
Climate alarmists generally contend that current temperatures are both unnatural and unprecedented, as a result of global warming caused by anthropogenic CO2 emissions; and they claim that this “unnaturalness” is most strongly expressed throughout the world’s polar regions. In this regard, they often point to warming on the Antarctic Peninsula (typically the Faraday/Vernadsky station) as the proverbial canary in the coal mine, where over the past several decades it has experienced warming rates that are among the highest reported anywhere on Earth. However, in recent years two studies have challenged this assessment. Carrasco (2013) reported finding a decrease in the warming rate from stations on the western side of the Antarctic Peninsula between 2001 and 2010, as well as a slight cooling trend for King George Island (in the South Shetland Islands just off the peninsula).