Nicola Scafetta

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Nicola Scafetta is an Italian geophysicist and professor of oceanography and atmospheric physics at the University of Naples Federico II . He conducts research in the field of theoretical and applied statistics and non-linear modeling of complex processes. He has published a number of scientific articles in various fields such as astronomy , biology , climatology , economics , medicine , physics and sociology .

Career

Scafetta was born in Italy. He studied physics at the University of Pisa ( Laurea 1997). He then went to the University of North Texas , where he received his doctorate in 2001. After completing his doctorate, he worked as a researcher at Duke University from 2002 to 2009. He then worked as a visiting lecturer at the physics faculty of the University of North Carolina (in Greensboro and Chapel Hill ) and later or adjunct professor at the physics department of Elon University in Elon (North Carolina) (spring 2010) and at the anesthesiology department from Duke University (2010–2012). Since 2014 he has been professore associato in Oceanography and Atmospheric Physics at the Department of Earth Sciences, Environment and Georesources of the University of Naples Federico II .

activity

Scafetta was involved in the Active Cavity Radiometer Irradiance Monitor Satellite (ACRIM) for monitoring solar radiation ( total irradiation total solar irradiation (TSI)) and worked at the physics faculty at Duke University from 2002 to 2010 . He was involved in the controversy between ACRIM and PMOD and emphasized a stronger role of solar activity in climate events.

Scafetta developed the diffusion entropy analysis (see also entropy (information theory) ), a statistical method which, among other things, is able to describe critical exponents in Lévy processes and in complex systems in general better than previous methods. Scafetta's first application was in teen pregnancy incidence analysis . Scafetta used the method on a number of peer-reviewed publications.

In his publication on Climate Change and its Causes, a Discussion about some Key Issue at the climate-skeptical Science and Public Policy Institute , Scafetta claimed that at least 60% of the warming measured since 1970 can be explained by natural cycles within the planetary system. In 2010, he predicted a period that would last until the decade from 2030 to 2040, during which average temperatures should remain relatively constant or even fall globally. Scafetta's statistical analysis is disputed by other researchers. Another publication in the renowned Journal of Atmospheric and Solar-Terrestrial Physics saw a clear connection between the historical frequency of seeing auroras and climate change. Contrary Scafettas position of influence of is radiative forcing (ger .: radiative forcing ) to be very low (~ 2% anthropogenic influence) due to natural variability of solar radiation.

With a publication that appeared in the Journal of Atmospheric and Solar-Terrestrial Physics in 2012 , he attacked the modeling used at the time in the IPCC as being much less explanatory than cycles in the interaction of Saturn (planet) or Jupiter (planet) and the sun. The peculiar thesis was also discussed in the daily press, including Forbes Magazine .

Scafetta has been a speaker at numerous climate conferences of the Heartland Institute and the European Institute for Climate & Energy eV (EIKE) and also participated in two NIPCC Climate Change Reconsidered reports financed by the Heartland Institute . In the book The Cold Sun. Why the climate catastrophe does not take place by Fritz Vahrenholt and Sebastian Lüning , Scafetta wrote a guest article.

Selected publications

  • Nicola Scafetta: An entropic approach to the analysis of time series (dissertation) . Ed .: University of North Texas. December 2001 (English, unt.edu ).
  • Nicola Scafetta, Patti Hamilton and Paolo Grigolini, The thermodynamics of social process: the teen birth phenomenon , Fractals 9, 193-208 (2001). ( Online ; PDF; 151 kB)
  • Nicola Scafetta, Sergio Picozzi and Bruce J. West, An out-of-equilibrium model of the distributions of wealth , Quantitative Finance 4, 353–364 (2004). "( Online ; PDF; 234 kB)
  • Nicola Scafetta and Bruce J. West, Multiresolution diffusion entropy analysis of time series: an application to births to teenagers in Texas , Chaos, Solitons & Fractals 20, 119 (2004). ( Online ; PDF; 189 kB)
  • Nicola Scafetta and Paolo Grigolini, Scaling detection in time series: diffusion entropy analysis , Phys. Rev. E 66, 036130 (2002). ( Online ; PDF; 151 kB)
  • Nicola Scafetta, Richard Moon and Bruce J. West, Fractal Response of Physiological Signals to Stress Conditions, Environmental Changes and Neurodegenerative Diseases , Complexity 12, 12-17 (2007). ( Online ; PDF; 319 kB)
  • Nicola Scafetta and Bruce J. West, Phenomenological reconstructions of the solar signature in the NH surface temperature records since 1600 , J. Geophys. Res., 112, D24S03, doi: 10.1029 / 2007JD008437 (2007). ( Online ; PDF; 375 kB)
  • Nicola Scafetta, Empirical analysis of the solar contribution to global mean air surface temperature change , Journal of Atmospheric and Solar-Terrestrial Physics 71, 1916–1923 (2009), doi: 10.1016 / j.jastp.2009.07.007 . ( Online ; PDF; 817 kB)
  • Nicola Scafetta and Richard Willson, ACRIM-gap and Total Solar Irradiance (TSI) trend issue resolved using a surface magnetic flux TSI proxy model , Geophysical Research Letter 36, L05701, doi: 10.1029 / 2008GL036307 (2009). ( Online ; PDF; 2.9 MB)
  • Craig Loehle and Nicola Scafetta, Climate Change Attribution Using Empirical Decomposition of Climatic Data , The Open Atmospheric Science Journal, 2011 5 , 74-86. Text (PDF; 4.9 MB) Further information (PDF; 736 kB)

Books

  • Bruce J. West and Nicola Scafetta: Disrupted Networks: from physics to climate change . World Scientific (March, 2010).
  • Nicola Scafetta: Fractal and Diffusion Entropy Analysis of Time Series: Theory, concepts, applications and computer codes for studying fractal noises and Lévy walk signals . VDM Verlag Dr. Müller (May, 2010).

Web links

Individual evidence

  1. ↑ N. Scafetta: An entropic approach to the analysis of time series (dissertation) . Ed .: University of North Texas. December 2001 (English, unt.edu ).
  2. ↑ Curriculum vitae at the University of Federico II. Accessed January 12, 2020 (English).
  3. ↑ ACRIM staff
  4. ↑ CV at Duke University. (PDF) (No longer available online.) 2010, archived from the original on February 6, 2012 (English).;
  5. ↑ Interpretations of climate-change data . In: Physics Today . 2009, p. 8–12 (English, archive.org [PDF; 112 kB ]).
  6. ↑ Nicola Scafetta and Paolo Grigolini: Scaling detection in time series: Diffusion entropy analysis . In: Phys. Rev. E . tape 66 , 2002, p. 036130 , doi : 10.1103 / PhysRevE.66.036130 (English).
  7. ^ A new perspective on teen pregnancy: Mathematical approach clarifies subtle patterns, points way to action Sarah Goforth of Dallas Morning News
  8. ^ Nicola Scafetta: Climate Change and its Causes, a Discussion about some Key Issues . 2010, arxiv : 1003.1554 (English).
  9. ↑ Lisa Zyga: Scientists find errors in hypothesis linking solar flares to global temperature. In: phys.org. April 7, 2010, accessed January 11, 2020 . See e.g. B. also the article by Rydal and Rydal (2010) doi: 10.1103 / PhysRevLett.104.128501 as well as the subsequent series of comments and answers.
  10. ^ N. Scafetta: A Shared Frequency Set Between The Historical Mid-Latitude Aurora Records And The Global Surface Temperature . In: Journal of Atmospheric and Solar-Terrestrial Physics . tape 74 , 2012, p. 145–163 , doi : 10.1016 / j.jastp.2011.10.013 (English).
  11. ↑ Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC): Climate Change 2013: The Physical Science Basis . Ed .: TF Stocker, D. Qin, G.-K. Plattner, M. Tignor, SK Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex, PM Midgley. Cambridge University Press, 2013, pp. 688ff and 697ff (English, ipcc.ch [PDF]).
  12. ^ N. Scafetta: Testing an astronomically based decadal-scale empirical harmonic climate model versus the IPCC (2007) general circulation climate models . In: Journal of Atmospheric and Solar-Terrestrial Physics . tape 80 , 2012, p. 124-137 , doi : 10.1016 / j.jastp.2011.12.005 (English).
  13. ↑ Larry Bell: Global Warming? No, Natural, Predictable Climate Change. In: Forbes Magazine . October 1, 2012, accessed January 11, 2020 .
  14. ↑ Nicola Scafetta. DeSmog, accessed January 12, 2020 .
  15. ↑ Fritz Vahrenholt , Sebastian Lüning : The cold sun. Why the climate catastrophe does not take place . Hoffmann and Campe, Hamburg 2012, ISBN 3-455-50250-4 .
personal data
SURNAME Scafetta, Nicola
BRIEF DESCRIPTION Italian physicist and statistician
DATE OF BIRTH 20th century