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Michael E. Mann

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Michael E. Mann
Born (1965-12-28) 28 December 1965 (age 59)
Nationality United States
Alma materUniversity of California, Berkeley, Yale University
Known forHockey stick graph, Dendroclimatology
Scientific career
FieldsMeteorology
InstitutionsPennsylvania State University, University of Virginia

Michael E. Mann (born 28 December 1965) is an American climatologist, and author of more than 80 peer-reviewed journal publications. He is best known as lead author of a number of articles on paleoclimate and as one of the originators of a graph of temperature trends dubbed the "hockey stick graph" for its hockey stick-like shape. The graph was highlighted in an Intergovernmental Panel on Climate Change (IPCC) report, receiving both praise and criticism, and has been the subject of a long-running controversy.

Career and awards

In 2009 he was promoted to professor at Pennsylvania State University, in the Department of Meteorology and Earth and Environmental Systems Institute and since 2005 has been Director of the university's interdepartmental Earth System Science Center. He previously taught at the University of Virginia, in the Department of Environmental Sciences (1999–2005).

He was a Lead Author on the “Observed Climate Variability and Change” chapter of the Intergovernmental Panel on Climate Change (IPCC) Third Scientific Assessment Report (2001). He has been organizing committee chair for the National Academy of Sciences ‘Frontiers of Science’ and has served as a committee member or advisor for other National Academy of Sciences panels. He served as editor for the Journal of Climate and has been a member of numerous international and U.S. scientific advisory panels and steering groups.

Mann has been the recipient of several fellowships and prizes, including selection as one of the 50 leading visionaries in Science and Technology by Scientific American, the outstanding scientific publication award of the National Oceanic and Atmospheric Administration (NOAA), and recognition by the Institute for Scientific Information (ISI) for notable citation of his refereed scientific research. Mann is one of several climate scientists who contribute to the RealClimate blog.

He is best known for his paleoclimate 'hockey stick' reconstructions of climatic fluctuations over the past several millennia, based on evidence from tree rings, ice cores, corals and other physical proxies. Such reconstructions have been the subject of some controversy; see temperature record of the past 1000 years for an overview. Mann's recent work has been on modelling El Niño, and he has said that "we are already committed to 50 to 100 years of global warming and several centuries of sea level rise" and that reduction in fossil fuel emissions is required to slow the process down to a level that can be coped with.

In November 2009, some of Mann's correspondence with fellow climate researchers was among the hacked e-mails at the centre of the Climatic Research Unit email controversy. Mann rejected allegations of wrongdoing, commenting that the e-mails had been "misrepresented, cherry-picked ... completely twisted to imply the opposite of what was actually being said". A review by Pennsylvania State University published in February 2010 cleared Mann of any research misconduct, though a further review is still ongoing.

In May 2010, Virginia Attorney General Ken Cuccinelli served a civil investigative demand on the University of Virginia seeking a broad range of documents relating to Mann's work there as a researcher between 2001-2005, alleging that the hacked e-mails indicated that fraud may have been committed. The allegation was rejected by Mann and was strongly criticised by scientific and civil liberties organizations and hundreds of individual scientists as an attack on academic freedom. The University filed suit to overturn the demand, citing protection under the First Amendment and stating that Cuccinelli did not have the authority to demand the documents.

Selected publications

  • With colleague Lee Kump the book Dire Predictions: Understanding Global Warming.
  • Mann, M.E., Defining Dangerous Anthropogenic Interference, Proc. Natl. Acad. Sci. 106, 4065-4066, 2009.
  • Mann, M.E. and Bradley, R.S. and Hughes, M.K., "Northern hemisphere temperatures during the past millennium: inferences, uncertainties, and limitations", Geophysical Research Letters, 26-6, 759-762, 1999.
  • Mann, M.E. and Bradley, R.S. and Hughes, M.K., "Global-scale temperature patterns and climate forcing over the past six centuries", Nature, 392-6678, 779-787, 1998.
  • Mann, M.E. and Jones, P.D., "Global surface temperatures over the past two millennia," Geophysical Research Letters, 30-15, 1820-1823, 2003.
  • Mann, M.E. and Lees, J.M., "Robust estimation of background noise and signal detection in climatic time series," Climatic Change, 33-3, 409-445, 1996.
  • Shindell, D.T. and Schmidt, G.A. and Mann, M.E. and Rind, D. and Waple, A., "Solar forcing of regional climate change during the Maunder Minimum," Science, 294-5549, 2149-2152, 2001.

References

  1. http://www.meteo.psu.edu/~mann/Mann/cv/cv.html
  2. Appell, David (2006). "The Ongoing Debate over Climate Change". In Katy Human (ed.). Critical Perspectives on World Climate. The Rosen Publishing Group. pp. 163–164. ISBN 1404206884.
  3. "Hackers leak climate change e-mails from key research unit, stoke debate on global warming". Associated Press. 2009-11-21. Retrieved 2009-11-24. {{cite news}}: Cite has empty unknown parameter: |coauthors= (help)
  4. "Climategate: Phil Jones accused of making error of judgment by colleague", news report by Chris Irvine, the Daily Telegraph, published 03 Dec 2009.
  5. Foley, Henry C. (3 February 2010). "RA-10 Inquiry Report: Concerning the Allegations of Research Misconduct Against Dr. Michael E. Mann, Department of Meteorology, College of Earth and Mineral Sciences, The Pennsylvania State University" (PDF). The Pennsylvania State University. Retrieved 7 February 2010. {{cite web}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  6. Warner, Frank (2010-01-03). "Penn State climate professor: 'I'm a skeptic'". The Morning Call. Retrieved 2010-03-28.
  7. Helderman, Rosalind S. (2010-05-04). "State attorney general demands ex-professor's files from University of Virginia". Washington Post.
  8. Walker, Julian (2010-05-19). "Academics fight Cuccinelli's call for climate-change records". The Virginian-Pilot.
  9. McNeill, Brian (2010-05-28). "UVa fights inquiry by Cuccinelli". Charlottesville Daily Progress.

External links

External image
image icon Micheal Mann with tree rings
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