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Stopping and starting of the Gulf Stream

Stopping and starting of the Gulf Stream


A paper by was reported in the popular press in mid March of 2015 concerning the slowdown of the Gulf Stream or "Atlantic meridional overturning circulation".

This was predicted in the 70s and was thought to be at the time the cause of an impending ice age in Europe.

Except the arctic ice has grown for the past three years.

http://rs79.vrx.net/opinions/ideas/climate/.images/1409435267461_image_galleryimage_polar1_jpg.jpg (Crappy Daily Fail image of good NASA satellite data)

And warming stopped in 1998.

"Since the turn of the century, however, the change in Earth’s global mean surface temperature has been close to zero."

"Since 2000, temperatures have been warmer than average, but they did not increase significantly." Data courtesy of NOAA’s National Climatic Data Center.

http://www.climate.gov/news-features/climate-qa/why-did-earth%E2%80%99s-surface-temperature-stop-rising-past-decade

Since CO2 has been rising steadily until last year without a commensurate increase in temperature it would seem reasonable to suspect the gulf stream helped melt the ice and when it stopped so did the gulf stream.

I'd guess it'll either pick back up now (latency being what it is) or... cold will spread to the tropics now if it reverses.

Esquire Citing The Day After Tomorrow is funny, that was based on an essay by the guy that made acid for the grateful dead. To say this theory has not been well received is somewhat of an understatement.

"science"

Cruz may be an idiot but he's not wrong about the stalled warming. This is well understood in the scientific community, NOAA references are above, NASA's site confirms it:

NASA points out warming has stopped. http://climate.nasa.gov/news/2241/

February 23, 2015 - "The past year was the warmest year on record, though their analysis has 2014 in a virtual tie with 2005 and 2010. "

When several years all tie for the warmest year it means temperature isn't increasing. If course looking at the paper Esquire doesn't bother to cite (but io9's story on this does) we find:

"Here we present multiple lines of evidence suggesting that this cooling may be due to a reduction in the AMOC over the twentieth century and particularly after 1970. Since 1990 the AMOC seems to have partly recovered. "

So the Gulf Stream slowed down when the world was warming but as this warming begun to slow down the Gulf stream began to pick up again.

Seems like a non-event to me.