BJW · @BarryJWoods

24th Jan 2014 from TwitLonger

Hi ‏@DavidRoseUK When I hear this discussed on the BBC, or policymakers aware of it....

Royal Society -

Julia Slingo
“…it’s a great presentation about 15 years being irrelevant, but I think, some of us might say if you look at the Pacific Decadal Oscillation and it’s timescale that it appears to work, it could be 30 years, and therefore I think, you know, we are still not out of the woods yet on this one. …

If you do think it’s internal variability, and you say we do think the Pacific Decadal Oscillation is a key component of this, and it’s now in it’s particular phase, but was previously in the opposite phase, could you not therefore explain the accelerated warming of the 80s and 90s as being driven by the other phase of natural variability?” - Julia Slingo - Q/A session

audio 44min 50s

responding to Prof Jochen Marotzke of the German Max Planck Institute of Meteorology

Nature writes:

"The biggest mystery in climate science today may have begun, unbeknownst to anybody at the time, with a subtle weakening of the tropical trade winds blowing across the Pacific Ocean in late 1997. [...]

For several years, scientists wrote off the stall as noise in the climate system: the natural variations in the atmosphere, oceans and biosphere that drive warm or cool spells around the globe. But the pause has persisted, sparking a minor crisis of confidence in the field.”

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