Frozen fjords found under Antarctic ice

Scientists have uncovered a landscape of deep fjords in Antarctica, carved by millions of years of ice movement. University researchers say the discovery, in a part of East Antarctica roughly the size of France, gives valuable insight into how the ice sheet formed. The global team of researchers say the find will also improve their understanding of how ice in the region might melt if ocean temperatures rise. The findings will also help reveal the possible impact on sea levels. Shifting ice. Scientists say that between 34 and 15 million years ago, as temperatures dropped, ice formed inland and moved slowly towards the sea before retreating inland again. Over millions of years the process was repeated, carving fjords and causing sea level changes of up to 20 metres.