Climate change affecting deepest depths of Antarctic ocean, study finds

Blue and Green: The impacts of climate change are being felt at even the deepest depths of the Antarctic ocean, a new study has found, in a discovery that may explain a 40 year old mystery. In the mid-1970s, the first satellite images to be studied of Antarctica during the polar winter discovered a strange phenomenon. In the Weddell Sea, researchers noticed a huge ice-free region – known as a polynia – that remained open for three winters. Scientists found that the polynia was kept open by warm waters that......

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