Pacific climate wobble speeds Arctic ice melt
https://climatenewsnetwork.net/pacific-climate-wobble-speeds-arctic-ice-melt/Pacific climate wobble speeds Arctic ice melt
March 6th, 2019, by Tim Radford
Thanks to a natural sea temperature cycle, a Pacific climate wobble, the Arctic Ocean could be ice-free in the summer in a decade or two.
LONDON, 6 March, 2019 Sunlit skies and bright blue water could come earlier to the Arctic much earlier, thanks to a distant Pacific climate wobble.
Scientists now think that the Arctic Ocean could be effectively
ice-free within the next 20 years, opening it to sea lanes across the polar waters between Europe, the US and east Asia.
Climate researchers
have repeatedly warned, in the last two decades, that because of global warming
the ice sheet that masks the Arctic Ocean has been thinning and
could in effect vanish altogether in summertime by 2050.
New research has brought forward the prediction date. And this time the effective agency is not just global warming driven by profligate combustion of fossil fuels worldwide, but a natural cyclic phenomenon known to oceanographers as the
interdecadal Pacific oscillation, or IPO.