Gulf Stream Slowing Down Faster Than Ever, Scientists Say

The Gulf Stream that helps to keep Britain from freezing over in winter is slowing down faster now than at any time in the past millennium according to a study suggesting that major changes are taking place to the ocean currents of the North Atlantic.

Scientists believe that the huge volumes of freshwater flowing into the North Atlantic from the rapidly melting ice cap of Greenland have slowed down the ocean “engine” that drives the Gulf Stream from the Caribbean towards north-west Europe, bringing heat equivalent to the output of a million power stations.’
———- ———-

And similarly: ‘While you were distracted, this climate change warning arrived‘:  ‘With dire warnings of catastrophic sea level rise and superstorms capable of pitching 1,000 tonne mega-boulders onto shorelines, scientist James Hansen sounded an alarm over continued global warming.  

In a video, coinciding with a release of a revised version of paper Hansen wrote  with 18 other authors, Hansen warned of “feedbacks” between the oceans and ice sheets.’

[dk:  like him or not, he does have gravitas here.  He seems more urgent than a year ago…]

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Activist, sailor, passionate about the earth. Brace for impact, based on the way the world is being operated and treated. Live every day as precious.

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Posted in Climate Science, Rapid Climate Change, Videos, Warnings
8 comments on “Gulf Stream Slowing Down Faster Than Ever, Scientists Say
  1. Kevin Hester says:

    “These currents, which today drive the Gulf Stream, bring warm surface waters north and send cold, deeper waters south. But they weakened suddenly and drastically, nearly to the point of stopping, just before several periods of abrupt climate change, researchers report today in Science. In a matter of decades, temperatures plummeted in the north, as the currents brought less warmth in that direction. Meanwhile, the backlog of warm, southern waters allowed the Southern Hemisphere to heat up.”
    http://www.sciencemag.org/news/2016/06/crippled-atlantic-conveyor-triggered-ice-age-climate-change

    Liked by 1 person

  2. Kevin Hester says:

    “In addition to the risk of “several meters” of sea level rise this century, which Hansen calls the most important finding, the final version of Hansen’s paper gives new emphasis to the possibility that the ocean’s heat circulation system may be in the process of shutting down. The circulation shutdown would precede the rapid increase in global sea levels. If the shutdown happens, simultaneous cooling of the waters near Greenland and Antarctica and warming in the tropics and midlatitudes could spawn frequent strong storms on the order of Hurricane Sandy or worse.”

    “This makes sense—if the oceans are no longer able to transport heat toward the poles as effectively, the atmosphere would need to take over the job—and big storms are the best way of doing that. In his video address, Hansen says “all hell will break loose” should the ocean circulation system shut down entirely. (In the paper, Hansen calls this the “hyper-anthropocene.”)
    http://www.slate.com/blogs/the_slatest/2016/03/22/james_hansen_sea_level_rise_climate_warning_passes_peer_review.html

    Like

  3. Kevin Hester says:

    “Over the past decade, scientists like Dr. Jennifer Francis have observed strange changes to the Northern Hemisphere Jet Stream. In winter, the North Pole has tended to exhibit extreme relative warming versus the rest of the Northern Hemisphere. This warming has created less difference in temperature from north to south during this season. As a result, it appears that the Jet Stream has slowed and is generating very large atmospheric waves, known as gravity waves or Rossby waves. At times, these waves have linked upper-level air flows between the Tropics and the North Pole.”

    https://robertscribbler.com/2016/09/19/giant-gravity-waves-smashed-key-atmospheric-clock-during-winter-of-2016-possible-climate-change-link/

    Like

  4. […] distruttive. Se poi la corrente del golfo dovesse rallentare in modo veramente sostanziale – come sembra che stia facendo – allora ci potremmo trovare davanti a variazioni del clima veramente drastiche. Non dico […]

    Like

  5. […] distruttive. Se poi la Corrente del Golfo dovesse rallentare in modo veramente sostanziale – come sembra che stia facendo – allora ci potremmo trovare davanti a variazioni del clima veramente drastiche. Non dico come […]

    Like

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Kevin Hester
Kevin Hester is currently living on Rakino Island, a small island in the Hauraki Gulf near Auckland New Zealand, monitoring the unravelling of the biosphere and planning Professor Guy McPherson’s November 2016 NZ and Australian speaking tour which is a follow up to the 2014 speaking tour. The Island has no grid tied electricity or reticulated water. I catch my own water from the roof and generate my electricity from the ample solar radiation on the island.
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