Following rapid warming in the late 20th century, this century has so far seen surprisingly little increase in the average temperature at the Earth’s surface. At first this was a blip, then a trend, then a puzzle for the climate science community.

More than a dozen theories have now been proposed for the so-called global warming hiatus, ranging from air pollution to volcanoes to sunspots. New research from the University of Washington shows that the heat absent from the surface is plunging deep in the north and south Atlantic Ocean, and is part of a naturally occurring cycle. The study is published Aug. 22 in Science.

via www.washington.edu

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  1. Hayduke Avatar

    Yes, one more theory to add to all the others, none of them validated by observation.
    I find it interesting that one theory for the “hiatus,” just as valid as all the others, is never mentioned: The theory that observed variation in global average surface temperature is not a function of global atmospheric CO2 concentration, but is instead a natural cyclic variation in insolation due to cosmic solar system cycles. There is more evidence to support this theory than all the others.

  2. Varic Avatar

    Sorry, but global temps should be going down, we are in the -PDO phase or the cool phase of earths alignment.
    Anyone that can’t see that is a idiot. My guess when the 2030’s/40’s global temp surge come, there will be panic across the globe. We at least got a little cooling in the 50’s and 60’s. Zilch now.

  3. Varic Avatar

    The problem with this is, it doesn’t take into account Co2 at all.
    We should not be having a “haitus” at all. We should be having a outright temp drop after the run up of the previous +PDO phase. We aren’t.

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