Researchers studying fossils in Norway have discovered that the world's seas plummeted 9C from 13C to just 4C around 137million years ago.
調(diào)查者在研究挪威的恐龍化石時發(fā)現(xiàn),在一億三千七百萬年之前,海水溫度從13度急劇降到4度。
They believe this was caused by a sudden change in the Atlantic Gulf Stream - a phenomenon many experts fear is about to happen again.
科學家們認為造成這一溫度驟降的原因是墨西哥暖流造成的,而且專輯們認為這一現(xiàn)象至今仍可能發(fā)生。