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Revision as of 15:38, 20 December 2009 editEdrowland (talk | contribs)120 edits (undo) The original text is NPOV, static facts only and drawing no conclusion as to the validity of the 'trick'.← Previous edit Revision as of 15:56, 20 December 2009 edit undoWilliam M. Connolley (talk | contribs)Autopatrolled, Extended confirmed users, Pending changes reviewers, Rollbackers66,008 edits hack back moreNext edit →
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He is best known for his controversial ] 'hockey stick' reconstructions of the past several millennia from tree ring, ice core, coral and other data. See ] for more details and dispute. Mann's recent work has been on modelling ], and he has said that "we are already committed to 50 to 100 years of global warming and several centuries of ]" and that reduction in ] emissions is required to slow the process down to a level that can be coped with.<ref name="Human">{{cite book |title=Critical Perspectives on World Climate |chapter=The Ongoing Debate over Climate Change |last=Appell |first=David |editor=Katy Human |year=2006 |publisher=The Rosen Publishing Group |location= |isbn=1404206884 |pages=163-164}}</ref> He is best known for his controversial ] 'hockey stick' reconstructions of the past several millennia from tree ring, ice core, coral and other data. See ] for more details and dispute. Mann's recent work has been on modelling ], and he has said that "we are already committed to 50 to 100 years of global warming and several centuries of ]" and that reduction in ] emissions is required to slow the process down to a level that can be coped with.<ref name="Human">{{cite book |title=Critical Perspectives on World Climate |chapter=The Ongoing Debate over Climate Change |last=Appell |first=David |editor=Katy Human |year=2006 |publisher=The Rosen Publishing Group |location= |isbn=1404206884 |pages=163-164}}</ref>


In November 2009, Mann's correspondence with fellow climate researchers was among that released in the ], which stoked public debate about global warming.<ref name='AP 2009-11-21'>{{cite news | first= | last= | coauthors= |authorlink= | title=Hackers leak climate change e-mails from key research unit, stoke debate on global warming | date=2009-11-21 | publisher=Associated Press | url =http://www.startribune.com/science/70700047.html | work = | pages = | accessdate = 2009-11-24 | language = }}</ref> Mann is credited as the inventor of the 'trick' of padding smoothed temperature proxy data with instrumental temperature data in order to hide a decline in the temperature proxy data, in a widely discussed email found in the leaked files.<ref name='Eilperin 2009-10-21'>{{cite news | first=Juliet | last=Eilperin | coauthors= |authorlink= | title=Hackers steal electronic data from top climate research center | date=2009-10-21 | publisher= | url =http://www.washingtonpost.com/wp-dyn/content/article/2009/11/20/AR2009112004093.html| work =The Washington Post | pages = | accessdate = 2009-12-18 | language = }}</ref>. Mann published an editorial in The Washington Post<ref name='Mann 2009-12-19'>{{cite news | first=Michael | last=Mann | coauthors= |authorlink= | title=E-mail furor doesn't alter evidence for climate change | date=2009-12-19 | publisher= | url =http://www.washingtonpost.com/wp-dyn/content/article/2009/12/17/AR2009121703682.html | work =The Washington Post | pages = | accessdate = 2009-12-18 | language = }}</ref> on December 18, asserting that the hacked e-mails "do not undermine the scientific case that human-caused climate change is real." In November 2009, Mann's correspondence with fellow climate researchers was among that released in the ]<ref name='AP 2009-11-21'>{{cite news | first= | last= | coauthors= |authorlink= | title=Hackers leak climate change e-mails from key research unit, stoke debate on global warming | date=2009-11-21 | publisher=Associated Press | url =http://www.startribune.com/science/70700047.html | work = | pages = | accessdate = 2009-11-24 | language = }}</ref>. Mann published an editorial in The Washington Post<ref name='Mann 2009-12-19'>{{cite news | first=Michael | last=Mann | coauthors= |authorlink= | title=E-mail furor doesn't alter evidence for climate change | date=2009-12-19 | publisher= | url =http://www.washingtonpost.com/wp-dyn/content/article/2009/12/17/AR2009121703682.html | work =The Washington Post | pages = | accessdate = 2009-12-18 | language = }}</ref> on December 18, asserting that the hacked e-mails "do not undermine the scientific case that human-caused climate change is real."


==Selected publications == ==Selected publications ==

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Michael E. Mann (born 28 December 1965) is an American climatologist, and author of more than 80 peer-reviewed journal publications. He has attained public prominence 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 the shape of the graph. The graph received both praise and criticism after its publication in an Intergovernmental Panel on Climate Change (IPCC) report.

In August 2005 he was appointed Associate Professor at Pennsylvania State University, in the Department of Meteorology and Earth and Environmental Systems Institute, and 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 controversial paleoclimate 'hockey stick' reconstructions of the past several millennia from tree ring, ice core, coral and other data. See temperature record of the past 1000 years for more details and dispute. 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, Mann's correspondence with fellow climate researchers was among that released in the Climatic Research Unit e-mail hacking incident. Mann published an editorial in The Washington Post on December 18, asserting that the hacked e-mails "do not undermine the scientific case that human-caused climate change is real."

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.
  • Steig, E.J., Schneider, D.P. Rutherford, S.D., Mann, M.E., Comiso, J.C., Shindell, D.T., Warming of the Antarctic ice sheet surface since the 1957 International Geophysical Year, Nature 1457, 459-463, 2009.
  • Mann, M.E., Cane, M.A., Zebiak, S.E., Clement, A., "Volcanic and Solar Forcing of the Tropical Pacific Over the Past 1000 Years", Journal of Climate, 18, 447-456, 2005.
  • Andronova, N.G., Schlesinger, M.E., Mann, M.E., "Are Reconstructed Pre-Instrumental Hemispheric Temperatures Consistent With Instrumental Hemispheric Temperatures?", Geophysical Research Letters, 31, L12202, doi: 10.1029/2004GL019658, 2004.
  • Jones, P.D., Mann, M.E., "Climate Over Past Millennia", Reviews of Geophysics, 42, RG2002, doi: 10.1029/2003RG000143, 2004.
  • Mann, M.E., "On Smoothing Potentially Non-Stationary Climate Time Series", Geophysical Research Letters, 31, L07214, doi: 10.1029/2004GL019569, 2004.
  • Shindell, D.T., Schmidt, G.A., Mann, M.E., Faluvegi, G., "Dynamic winter climate response to large tropical volcanic eruptions since 1600", Journal of Geophysical Research, 109, D05104, doi: 10.1029/2003JD004151, 2004.
  • Mann, M.E., Jones, P.D., "Global surface temperature over the past two millennia", Geophysical Research Letters, 30 (15), 1820, doi: 10.1029/2003GL017814, 2003.
  • Mann, M.E., Ammann, C.M., Bradley, R.S., Briffa, K.R., Crowley, T.J., Hughes, M.K., Jones, P.D., Oppenheimer, M., Osborn, T.J., Overpeck, J.T., Rutherford, S., Trenberth, K.E., Wigley, T.M.L., "On Past Temperatures and Anomalous Late 20th Century Warmth", Eos, 84, 256-258, 2003.
  • Mann, M.E., Schmidt, G.A., "Ground vs. Surface Air Temperature Trends: Implications for Borehole Surface Temperature Reconstructions", Geophysical Research Letters, 30 (12), 1607, doi: 10.1029/2003GL017170, 2003.
  • Mann, M.E., Rutherford, S., Bradley, R.S., Hughes, M.K., Keimig, F.T., "Optimal Surface Temperature Reconstructions using Terrestrial Borehole Data", ;;Journal of Geophysical Research;;, 108 (D7), 4203, doi: 10.1029/2002JD002532, 2003.
  • Rutherford, S., Mann, M.E., Delworth, T.L., Stouffer, R., "Climate Field Reconstruction Under Stationary and Nonstationary Forcing", Journal of Climate, 16, 462-479, 2003.
  • Mann, M.E. , "The Value of Multiple Proxies", Science, 297, 1481-1482, 2002.
  • Mann, M.E., Rutherford, S., "Climate Reconstruction Using 'Pseudoproxies'", Geophysical Research Letters, 29 (10), 1501, doi: 10.1029/2001GL014554, 2002.
  • Mann, M.E., Hughes, M.K., "Tree-Ring Chronologies and Climate Variability", Science, 296, 848, 2002.
  • Bradley, R.S., Briffa, K.R., Crowley, T.J., Hughes, M.K., Jones, P.D., Mann, M.E.,Mann, M.E. "Medieval Climatic Optimum", Encyclopedia of Global Environmental Change, John Wiley and Sons Ltd, London, UK, pp. 514-516, 2001.
  • Mann, M.E. "Little Ice Age", Encyclopedia of Global Environmental Change, John Wiley and Sons Ltd, London, UK, pp. 504-509, 2001.
  • Shindell, D.T., Schmidt, G.A., Mann, M.E., Rind, D., Waple, A., "Solar forcing of regional climate change during the Maunder Minimum", Science, 7, 2149-2152, 2001.
  • Bradley, R.S., Briffa, K.R., Crowley, T.J., Hughes, M.K., Jones, P.D., Mann, M.E., "Scope of Medieval Warming", Science, 292, 2011-2012, 2001.
  • Folland, C.K., Karl, T.R., Christy, J.R., Clarke, R. A., Gruza, G.V., Jouzel, J., Mann, M.E., Oerlemans, J., Salinger, M.J., Wang, S.-W., "Observed Climate Variability and Change", in 2001 Climate Change 2001: The Scientific Basis, Houghton, J.T., et al. (eds), Cambridge Univ. Press, Cambridge, 99-181, 2001.

See also

References

  1. 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.
  2. "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)
  3. Mann, Michael (2009-12-19). "E-mail furor doesn't alter evidence for climate change". The Washington Post. Retrieved 2009-12-18. {{cite news}}: Cite has empty unknown parameter: |coauthors= (help)

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