12.08.02 - Antartica was once Home to Rainforests, say Scientists
Publish date:
Sep 25, 2012
Summary:
The study of sediment cores drilled from the ocean floor off Antarctica's east coast revealed fossil pollens
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Scientists drilling off the coast of Antarctica made a startling discovery recently that could hold clues to the Earth's future -- especially if climate change keeps warming the planet.
According to a study published in the journal Nature, the frozen continent was home to a "near-tropical" rainforest 52 million years ago, when temperatures measured about 68 degrees Fahrenheit.
The sediment found in the Antarctic seabed may be more relevant during a summer when drought, record heat and violent storms are being connected to climate change trends.
"It shows that if we go through periods of higher CO2 in the atmosphere it's very likely that there will be dramatic changes on these very important areas of the globe where ice currently exists," study participant Kevin Welsh told AFP. The Australian scientist was on the 2010 expedition that brought up fossil-rich sediment from Wilkes Land on the east coast of Antarctica. "If we were to lose a lot of ice from Antarctica then we're going to see a dramatic change in sea level all around the planet," he said.
Even a small rise in sea levels could swamp major coastal cities from New York to Hong Kong.
University of Glasgow scientist James Bendle said in the London Evening Standard that the sediment samples "are the first detailed evidence we have of what was happening on the Antarctic during this vitally important time."
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