Leftist Boddhisatva

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Wednesday, November 30, 2005

Global warming watch: Atlantic current changing

Key warming ocean current slowing down: scientists:
The Atlantic Conveyor, a life-giving ocean current that keeps northern Europe warm, is slowing down, scientists said on Wednesday.

If the 30 percent slowdown seen over the past 12 years is not just a blip, temperatures in northern Europe could drop significantly, despite global warming, they added.

Scientists have long forecast that the Atlantic Conveyor that carries warm surface water north and cold deep water back to the equator could break down because of global warming.

"This is the first time we have observed a change in the current on a human timescale," oceanographer Harry Bryden said, noting that it had completely shut down during the ice ages.
The Atlantic Conveyor is a complex system of currents which includes the Gulf Stream.


  • At 7:22 PM, Blogger Postman said…

    There have also been observed salinity changes (reduction) in the seas around the UK.

    We are making very limited measurements, small in human terms, and in geological time infinitely tiny.

    I take any extrapolation on these figures with a very great deal of caution.

    The National Academy of Sciences piblished a collection 2 years ago "Abrupt Climate Change" which is well worth reading - which gives a good background.

    This report is, in my view, another case of gee whizz science - haven't read the paper yet but I will bet it ends saying more work needs to be done..and er...we need more money to do it.


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