Scafetta's new paper attempts to link climate cycles to planetary motion

Nicola Scafetta sent me this paper yesterday, and I read it with interest, but I have a number of reservations about it, not the least of which is that it is partially based on the work of Landscheidt and the whole barycentric thing which gets certain people into shouting matches. Figure 9 looks to be…

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Scafetta prediction widget update

By Dr. Nicola Scafetta It is time to update my widget comparing the global surface temperature, HadCRUT3 (red and blue), the IPC 2007 projection (green) and my empirical model (black thick curve and cyan area) based on a set of detected natural harmonics (period of approximately: 9.1, 10-11, 20 and 60 years) which are based…

Scafetta on his latest paper: Harmonic climate model versus the IPCC general circulation climate models

Guest Post by Dr. Nicola Scafetta Herein, I would like to briefly present my latest publication that continues my research about the meaning of natural climatic cycles and their implication for climate changes: Nicola Scafetta, “Testing an astronomically based decadal-scale empirical harmonic climate model versus the IPCC (2007) general circulation climate models” Journal of Atmospheric…

Loehle and Scafetta calculate 0.66°C/century for AGW

Guest post by Craig Loehle and Nicolas Scafetta Human Effect on Climate Clearly Detected (but is 0.66 deg C/100yr since ~1950!) Loehle, C. and N. Scafetta. 2011. Climate Change Attribution Using Empirical Decomposition of Historical Time Series. Open Atmospheric Science Journal 5:74-86. The study is available via free open access at http://benthamscience.com/open/toascj/articles/V005/74TOASCJ.htm (links to full…

Scafetta on 60 year climate oscillations

    People send me stuff, my email is like a firehose, with several hundred messages a day, and thus this message was delayed until sent to me a second time today.  I’m breaking my own rule on Barycentrism discussions, because this paper has been peer reviewed and published in Elsevier. George Taylor, former Oregon…

New Scafetta paper – his celestial model outperforms GISS

Dr. Nicola Scafetta writes: Anthony,   I believe that you may be interested in my last published work. This paper suggests that climate is characterized by oscillations that are predictable. These oscillations appear to be linked to planetary motion. A climate model capable of reproducing these oscillation would outperform traditional climate models to reconstruct climate oscillations.…