It was once thought that the heat-toting oceanic currents that at one time were thought to be at rish from human-driven warming of the climate. It has been shown that there has been no slowdown at all through much of the past decades and that there has been no slowndown since the early 1990s. The fear of a slowndown of the circulation will show that an increase in flows of freash water will help melt the ice sheets. Dr. Broeckers 2004 article and online package on the possible contribution of Greenlands ice to such a slowdown explores the complexities and hints that the picture was not simple. They are doing more research to see the currents around the Greenland area.
It is good to know that the currents may not be changing like many people have been prodicting they have been doing. If they did it would not be good for many animals because it would lead to a climate change in many areas of the world. We need to find a way to find out if the currents will change before it is eventually to late.
http://dotearth.blogs.nytimes.com/
Andrew C. Revkin
March 25, 2010
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