Word: theys
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Dates: during 2000-2009
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By looking back about 125,000 years, to a time when global temperatures were as high as they are expected to be by 2100, a team of scientists from Princeton and Harvard universities has calculated that the oceans were probably at least 26 ft. higher than they are now, maybe...
One reason for the higher estimate is simply that scientists had more data to work with. Most studies of ancient sea level focus on a specific area of the globe. But local sea levels, then and now, do not give a true picture of the global average sea level, which...
Also, climate scientists had assumed that the Antarctic ice sheets would have remained intact during that long-ago warm period. Because of changes in Earth's orbit, they know there would have been more sunlight hitting the Arctic back then, which means less sunlight in the Antarctic, and so, presumably...
A 26-ft. rise in sea level would be truly catastrophic if it happened by the end of this century. But there is no suggestion in the study that the rise is imminent. "We can only give a thousand-year average," says Kopp, meaning that it might well take a...
And there's no guarantee that the rise in sea level would necessarily be smooth. If ice sheets begin sliding into the sea faster than they have in the recent past - as they seem to be doing already - sea level could go up more quickly than average, reaching a catastrophic...