And thereby suggest - by innuendo, without evidence or accountability - that it will be 40% of the subsequent century's warming - which takes him way out of the projections from observational data. He's not even in the range the IPCC uses to justify its lowball estimates.and then, we have nicola scafetta who is willing to concede that up to 40% of the last centuries warming was due to anthropogenic activities.
Scafetta has no expertise in climate or weather recent or past, and has never done any relevant research in the field. He lacks the expertise necessary to obtain the job of weatherman on a local TV channel.
He isn't one of those "astrophysicists" you claim to have been talking to, is he? Because he isn't an astrophysicist - in the field of astronomy he's a numerologist, essentially, a physicist out of his area of expertise who for some unspecified reason has been massaging carefully chosen bulk data to find correlations he likes. The kinds of correlations he likes to find are described by his readers like this:
Here's a quote from the man himself:Scafetta's climate model is based primarily on a numerological comparison of secular periodic changes of global surface temperature and the Sun´s periodic movement around barycenter of the Solar System caused by the revolving planets Jupiter, Saturn, Uranus and Neptune. Periodic modulation of Moon´s orbital parameters by these planets and subsequent modulation of lunar tides is also discussed.
C'mon - you've heard that kind of language before, right?"external forcing of celestial origin simply drives the adjustment of the natural rhythms by letting their own energy flow with the same frequency of the forcing. It just passes to the climatic system the information of how it has to oscillate, not the entire energy to make it oscillate. The effect of a periodic external forcing, even if weak, may become macroscopic and all components of the system gradually synchronize with it".[11]
No mechanism, no physical cause or even mediation - that isn't astrophysics, or any other kind of physics. That is the same thing the people who find numerological correlations between earthquakes and the Koran are doing.
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