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New Research On Long-Term Ocean Cycles Reveals Rapid Global Warming In Near Future

Date:
March 21, 2000
Source:
University Of California, San Diego / Scripps Institution Of Oceanography
Summary:
Scientists at Scripps Institution of Oceanography at the University of California, San Diego, report evidence of pronounced changes in the earth's climate that can be tracked in cycles of ocean conditions over thousands of years. These cycles reveal that Earth is currently in a period in which a natural rise in global temperatures -- combined with warming from the greenhouse effect -- will push the planet through an era of rapid global warming.

Scientists at Scripps Institution of Oceanography at the University of California, San Diego, report evidence of pronounced changes in the earth's climate that can be tracked in cycles of ocean conditions over thousands of years. These cycles reveal that Earth is currently in a period in which a natural rise in global temperatures -- combined with warming from the greenhouse effect -- will push the planet through an era of rapid global warming. Charles Keeling and Timothy Whorf report in the March 21 online edition of the Proceedings of the National Academy of Sciences (PNAS) that strong oceanic tides are the engines behind this warming-cooling cycle that may help determine future climates. This report is the first comprehensive study of the effects of tidal mixing on climate change spanning millennia. The current phase in the cycle suggests that a natural warming trend began a hundred years ago, picked up in the 1970s, and should continue over the next five centuries.


Story Source:

The above story is based on materials provided by University Of California, San Diego / Scripps Institution Of Oceanography. Note: Materials may be edited for content and length.


Cite This Page:

University Of California, San Diego / Scripps Institution Of Oceanography. "New Research On Long-Term Ocean Cycles Reveals Rapid Global Warming In Near Future." ScienceDaily. ScienceDaily, 21 March 2000. <www.sciencedaily.com/releases/2000/03/000321080716.htm>.
University Of California, San Diego / Scripps Institution Of Oceanography. (2000, March 21). New Research On Long-Term Ocean Cycles Reveals Rapid Global Warming In Near Future. ScienceDaily. Retrieved April 19, 2014 from www.sciencedaily.com/releases/2000/03/000321080716.htm
University Of California, San Diego / Scripps Institution Of Oceanography. "New Research On Long-Term Ocean Cycles Reveals Rapid Global Warming In Near Future." ScienceDaily. www.sciencedaily.com/releases/2000/03/000321080716.htm (accessed April 19, 2014).

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