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dbpedia-es:Controversia_del_palo_de_hockey

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Controversia del palo de hockey

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La controversia del palo de hockey hace referencia a los debates sobre los aspectos técnicos y repercusión en el calentamiento global de las gráficas de reconstrucciones del registro de temperatura del último milenio. A nivel político, el debate se centra en el uso de dichas gráficas como método para difundir al público aspectos científicos complejos, y en la solidez de las afirmaciones presentadas por el Grupo Intergubernamental de Expertos sobre el Cambio Climático (IPCC por sus siglas en inglés).

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n71:027lhwj

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category-es:Cambio_climático category-es:Controversia_sobre_el_calentamiento_global

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wikipedia-es:Controversia_del_palo_de_hockey

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0201-08-01 30 31 28 29 26 27 22 20 21 18 19 16 15 12 10 11 8 9 6 7 4 5 1

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20 19 16 30 28 29 26 27 24 25 6 7 4 5 3 1 14 12 11 8 9

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House Committee on Energy and Commerce Jansen et al. U.S. Senate IPCC TAR WG1 Editorial Fraser Institute RealClimate U.S. House Committee on Energy and Commerce — Press Office IPCC SAR WG1 Nicholls et al. Albritton et al. Marshall Institute IPCC AR4 WG1 Arctic Lakes 2k Project Members Office of News and Public Information USA Today NewsMax.com Mongabay.com Folland et al. IPCC TAR SYR Nature editorial Communications Office IPCC WG1 SPM Twenty scientists Committee on Environment and Public Works IPCC FAR WG1 Tech Central Station Bradley et al.

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Wallace S. Broecker Michael E. Mann Stephen McIntyre

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Gavin Schmidt

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Caspar Amman Phil Jones Ross McKitrick

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Michael E. Mann

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Edward Wegman IPCC Fraser Institute TCS Daily Douglas Nychka Peter Bloomfield John Quiggin Gerald North John Christy

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Ed Whitfield Phil Jones Michael E. Mann Michael Lemonick Spencer R. Weart Stephen McIntyre Alan I. Leshner Fred Pearce Raymond S. Bradley Muir Russell Eduardo Zorita Ross McKitrick Gavin Schmidt Joe Barton Jan Esper Jim Inhofe Henry A. Waxman Steven Milloy Andrew Revkin Hans von Storch William L. Chameides Ira Flatow Stefan Rahmstorf John Lawrence Daly Chris Mooney

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1995 1993 1998 1999 1997 2010 2011 2008 2009 2012 2013 2002 2003 2000 2001 2006 2004 2005

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Technical Summary Modern Temperature Trend 26 Chapter 6: Palaeoclimate The Climatic Research Unit at Twenty-five Years Chap. 3: Observed Climate Variability and Change Experiences with Congressional Testimony: Statistics and The Hockey Stick Summary for Policymakers Section C - Observed Climate Variability and Change von Storch and Zorita blog on the Hockey Stick Government: The View from Washington, DC Chap. 7: Observed Climate Variation and Change The Carbon Dioxide Greenhouse Effect Quick Reaction to the NRC Hockey Stick Report Global Change: The last 2000 years. Report of Working Group 1. Are there optimum sites for global paleotemperature reconstruction? Climateaudit A. Chronology of Data Correspondence Chapter 2: Observed Climate Variability and Change

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n18:htm n35:html n108:htm n109:htm n110:htm n166:html n169:pdf n86:pdf n267:pdf n268:pdf n279:htm n280:htm

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What is the ‘Hockey Stick’ Debate About? Committee Report: White House Engaged in Systematic Effort to Manipulate Climate Change Science

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n12:1653

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mayo de 1998 enero de 1993 junio de 2000 noviembre de 2004 febrero de 1989 febrero de 2011 dic 2011 febrero de 2009 marzo de 2001 sept 2010 [29 oct?] 2003 semestre primavera 2005 12 13 14 15 8 9 10 11 4 5 6 7 1 2 3 28 29 30 31 24 26 27 20 21 22 23 16 17 18 19 diciembre de 1993 noviembre 2003 [publicado online 27 oct] enero de 2008 julio de 2005 mayo de 2010 diciembre de 2009 enero de 2005 diciembre de 2011 junio de 1993 enero de 2004 mayo 2010a febrero de 2000 junio de 2002 julio de 2004 diciembre de 1995 [2006]

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8

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101579 105194 103354 101260 101126 101175 101177 101191 101021 101016 101007 101002 101029 101038 101073 101111

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revisada

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Solomon, S.; Qin, D.; Manning, M.; Chen, Z.; Marquis, M.; Avery, K.B.; Tignor, M.; and Miller, H.L. Watson, R. T.; and the Core Writing Team Houghton, J.T.; Jenkins, G.J.; and Ephraums, J.J. Houghton, J.T.; Meira Filho, L.G.; Callander, B.A.; Harris, N.; Kattenberg, A., and Maskell, K. Houghton, J.T.; Ding, Y.; Griggs, D.J.; Noguer, M.; van der Linden, P.J.; Dai, X.; Maskell, K.; and Johnson, C.A.

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Phil Michael

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Hulme Jones

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Elaine Raymond S.

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Barrow Bradley

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Jean

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Jouzel

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21 18 30 25 6 7 4 2 1

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30 29 26 27 24 20 21 19 16 14 12 10 11 8 9 6 7 4 5 3 1

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Jan Henry Robert E. M. N. Rosanne D. M.E. Henry A. Hans Caspar M. Franco S. F. B. Gerald Ian J. T.A. T. P. Andy Sonya K. Dimitry M. Paul Tom Roseanne Geoffrey R., et al. Keith Michael E. Timothy J. C. R. Bruce Harold C. Simon F. B. Henry N. M. Thomas S. H. S. Malcolm G. Paul D. S. E. Ray Ross S. Stein-Erik Gavin Claire L. Gerald R. Shaopeng Min F. C. Ellen R. M. John L. Leo Pat David P. S. G. Julie M. Edward R. P. Bo M. Wille Phil D. David W. Walid K. Stephen Richard Justin Gordon Malcolm K. Roland Phil D. B. M. J. D. P. J. Fred R. Gifford H. Terry C. K. John H., Jr. Edward J. Gautam Andrea Eduardo K. Douglas Casper M. Greg Rob Sherwood B. Anders Eric Nicholas P. Michael Olive Zhihua William Michael D. T. M. L. L.G. E. R. N. D. A. William K. Po-Yu David M. T. Seth Alex Bette L. Karin Christopher John T. Eugene R. Keith R. Francis W. M. E. B. Tim John R. M. R. David Willie Silvia A. C. Al Wibjörn Martin P. Yegor Roger, Jr. I. C. Donald A. Dmitry M. K. R. James M. Juliet Andrew C. Jason E. Sir Muir Yasmin H. U. David J. Rosanne Antonio S. A. Joe Stefan John Henry F. Chris W. S. Gordon C. Sallie F. W. Beth K. M. Scott Fidel Geoff P.-N. Jonathan T. Dan James Nick Alan I. F. H. Bill T. J. Thomas J. Peter William T. T. D. Darrel Steve G. C. Ed Phil E. A. Eli Caspar Spencer R. Marcel P. U. J. Fenbiao Nina M. H. H. Raymond S. P. D. Philip D. H. Gabriele C. E. Ira C. M. Ddrew Sherwood Steven Jeffrey J. M. Kurt M. S. L.

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mp4 audio and presentation

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0 1 521807700 978

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958

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6554 D03103 7079 7087 7097 7103 Translation: Angela den Tex L20701 7026 6995 D3 6678 6684 6771 5563 5508 5517 5416 5387 5363 5341 L20705 6124 36 1 2 3 4 5 6 10 11 13 15 20 21 23 27 99 5945 113 7348 5957 5762 5773 5782 7273 5696 5722 D11106

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Eos, Transactions American Geophysical Union Proc. of the National Academy of Sciences of the United States of America Paper U32C-7 in Supplement to EOS. Transactions Climate Research J. of Climate Journal of Geophysical Research Climate of the Past Science Climatic Change, in press Quaternary Sci. Reviews Climate Dynamics Reviews of Geophysics AMBIO: A Journal of the Human Environment Bulletin of Canadian Petroleum Geology Geophysical Research Letters Nature Geoscience Proc. Natl. Acad. Sci. U.S.A. Palaeogeography, Palaeoclimatology, Palaeoecology Geophysical Res. Letters Hearings before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, 109th Congress, Second session Congressional Record J. of Geophysical Res. Geografiska Annaler: Series A, Physical Geography Computational Statistics & Data Analysis Global and Planetary Change Quaternary Science Reviews dbpedia-es:Geophysical_Research_Letters Wiley Interdisciplinary Reviews: Climate Change Nature Journal of Climate Climatic Change International J. of Climatology Chronicle of Higher Education Proc. Natl. Acad. Sci. U.S.A. Environmental Science & Technology J. of Geophysical Research dbpedia-es:The_Chronicle_of_Higher_Education The Holocene Energy & Environment Global Biogeochemical Cycles Global Environmental Change Part A

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Sundqvist Rigsby Schulz Connor Hardy Christy Lin Cushman Mooney Essex Biondi Boulton Scott Shen Cuffey Park Osborn Shakun Lauritzen Baliunas Briffa Michaels Kirby Ljungqvist Idso Frame McKitrick Jones Quiggin Rincón Esper Hickman Oppenheimer Waxnan Nychka Whitfield PAGES 2k Consortium Soon Overpeck Vinther Wigley Mix Clark Miller Davis Frank Fisher Heilprin Johnson Waxman Moberg Weber Graybill North Leshner Daley Weart Huybers Black Boykoff Norton Sharabati Beer von Storch Lough Frisia Fairchild Pearce Tsao Lee Connolley Vaganov Borenstein Naik Zwiers Revkin Clayton Kaufman Pielke Ammann Dimitriev Datsenko Wilson Mosley-Thompson Roberts Bloomfield Steig Pollack McKay van Ommen Lean Broecker Russell Bradley Vergano D'Arrigo Gore Crok González-Rouco Ni Heffernan Henderson Cubasch Kintisch Shindell Daly Lamb Boehlert de Freitas Barnett Brumfiel Baker Hughes Juckes Wahl Bello Otto-Bliesner Mashiotta Christiansen Borsato Lemonick Crowley Thacker Luterbacher Rahmstorf Regalado Mann Muller Zhang Appell Zorita Hughen Pease Wallace Stevens Allen Flatow Rutherford Sonechkin Bürger Tett Smerdon Druffel Wegman Gillis Harris Hyde Lowery Monastersky Schmidt Eilperin Shiyatov Inhofe Brattström Schweingruber Smith Schneider Huang Karlén Krusic Faluvegi Cook Marcott Sullivan Eyton Oerlemans Jacoby Chameides McIntyre Holmgren Thompson Said Turekian Hegerl Hoke Dickinson Ritson Fritts Diaz Milloy Barton Tingley

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Tucson London New York, NY Toronto, Ont. Washington, D.C. Londres

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Skeptical Inquirer Scientific American [webpage]

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dbpedia-es:The_Washington_Post dbpedia-es:The_Boston_Globe dbpedia-es:The_Wall_Street_Journal dbpedia-es:USA_Today dbpedia-es:The_Guardian The Guardian Wall Street Journal New York Times Washington Post

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92

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3195 2929 1417 1055 6013 1251 545 627 591 765 758 759 256 507 450 69 71 227 S10022 E11

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1872 13252 1497 1032 1029 1198 1256 25819 1236 779 2782 2759 853 841 2308 926 E10; author reply E11 544 529 621 613 603 675 2063 679 662 756 297 2177 279 266 263 L03710 367 2250 339 436 419 455 63 51 33 39 11 13 3 125 105 109 89 81 87 137

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Parliament House, Canberra Australia Washington, D.C.

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2647809 2644169 2527990

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15703742 11326088 15459344 15459347 16469924 16810211 11234078 9765150 19729653 10693801 23471405 11910106 16900179 16809508 18765811 19188613 16294841 19965474 15746388 19956212 16625192 21614031

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14

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U.S. Government Printing Office dbpedia-es:CBS_News Harvard Univ. Press dbpedia-es:Cambridge_University_Press The New York Times Blogs.nature.com dbpedia-es:World_Climate_Report dbpedia-es:BBC_News UCAR/Office for Interdisciplinary Earth Studies, Boulder, Coloradoa United States House of Representatives Climate Audit dbpedia-es:National_Academies dbpedia-es:National_Academies_Press dbpedia-es:Newsmax_Media Routledge W.W. Norton & Co. UMass Amherst Office of News & Information Australia Asia Pacific Economic Cooperation Study Centre USA Today ScienceInsider Technology Review National Post Mongabay.com dbpedia-es:Climate_Central Fox News Climate2003 dbpedia-es:Universidad_de_Anglia_del_Este Random House UK dbpedia-es:Business_Wire dbpedia-es:Science_Friday Committee on Science - U.S. House of Representatives CNSNews.com Key Porter Books Natuurwetenschap & Techniek New Scientist dbpedia-es:RealClimate New York Times George Mason University henrywaxman.house.gov BBC News Cambridge University Press Wall Street Journal University of East Anglia dbpedia-es:Crooked_Timber dbpedia-es:Columbia_University_Press dbpedia-es:American_Institute_of_Physics n254:_Marshall_Institute University of Virginia website Bloomsbury dbpedia-es:NPR n257:_Government_Printing_Office dbpedia-es:University_Corporation_for_Atmospheric_Research University of Arizona Press dbpedia-es:United_States_House_Committee_on_Energy_and_Commerce Nature Climate Change [blog] U.S. Senator James M. Inhofe Seattle Times Newspaper Springer-Verlag, Berlin George C. Marshall Institute Washington Roundtable on Science and Public policy The Independent

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Rodale Books; 1ª ed.

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CITEREFBBC News23 June2006 CITEREFTCS27 Oct. 2003 CITEREFVergano15 May 2011 CITEREFRegalado23 June 2006 CITEREFUCAR news release3 Sept. 2009 CITEREFMooney11 Jan. 2005 CITEREFPease18 July 2005 CITEREFUMass press release3 March 1999 CITEREFHCEPW29 July 2003 CITEREFMcIntyre3 May 2007 CITEREFRealClimate22 June 2006 CITEREFICCER2010 CITEREFMonastersky6 Sept. 2006 CITEREFNewsMax.com23 June 2006 CITEREFHCEC Hearings19 July 2006 CITEREFMcIntyre29 Oct. 2003 CITEREFJohnsonNaik24 Nov. 2009 CITEREFWaxman1 July 2005 CITEREFCongressional Record28 July 2003 CITEREFVergano22 Feb. 2012 CITEREFRincon16 March 2005 CITEREFWSJ editorial14 July 2006 CITEREFBlack1 Sep. 2008 CITEREFUCAR news release11 May 2005 CITEREFVergano16 May 2011 CITEREFRevkin22 June 2006 CITEREFUEA press release23 Nov. 2009 CITEREFNAS press conference22 June 2006 CITEREFPielke22 June 2006 CITEREFHeilprin22 June 2006 CITEREFMichaels18 Dec. 2009 CITEREFNature editorial26 May 2011 CITEREFFlatow29 March 2002 CITEREFMcIntyre26 Oct. 2004 CITEREFHCEC23 June 2005 CITEREFMcIntyre3 Feb. 2005 CITEREFvon Storch22 Dec. 2009 CITEREFDaley23 June 2006 CITEREFKirby22 Jan. 2001 CITEREFVergano22 Nov. 2010 CITEREFBBC News16 July 2004 CITEREFSchulz28 Oct. 2003 CITEREFUSA Today13 Nov. 2003 CITEREFRegalado14 Feb. 2005 CITEREFVergano18 Nov. 2003 CITEREFMongabay.com16 July 2006 CITEREFRevkin5 August 2003 CITEREFUEA press release24 Nov. 2009 CITEREFNAS press release22 June 2006 CITEREFRealClimate19 July 2006 CITEREFHickman20 Nov. 2009 CITEREFMilloy31 July 2005 CITEREFNature editorial3 dic 2009 CITEREFHCEC "fact-sheet"2006 CITEREFMcIntyre28 Oct. 2003 CITEREFInhofe4 Jan. 2005 CITEREFWashington Post editorial23 July 2005 CITEREFBoehlert22 June 2006 CITEREFEilperin18 July 2005 CITEREFMann31 Dec. 2009 CITEREFVergano8 Oct. 2010

prop-es:series

Managing Climate Change—Practicalities and Realities in a Post-Kyoto Future Contribution of Working Groups I, II, and III to the Third Assessment Report of the Intergovernmental Panel on Climate Change Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change Contribution of Working Group I to the Second Assessment Report of the Intergovernmental Panel on Climate Change Report prepared for Intergovernmental Panel on Climate Change by Working Group I Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change NATO ASI Series

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The Spatial Extent of 20th-Century Warmth in the Context of the Past 1200 Years Global surface temperatures over the past two millennia Climatic Research Unit update - 17.45 November 23 Climate sensitivity constrained by temperature reconstructions over the past seven centuries Are observed changes in the concentration of carbon dioxide in the atmosphere really dangerous? Climate Feedback: The decay of the hockey stick Annual climate variability in the Holocene: interpreting the message of ancient trees Row over climate 'hockey stick' Backing for 'hockey stick' graph Proxy-Based Northern Hemisphere Surface Temperature Reconstructions: Sensitivity to Method, Predictor Network, Target Season, and Target Domain Feature: Science Pundits Miss Big Picture Again. Climate reconstruction using 'Pseudoproxies' [Audio recording of National Academies press conference] Climate Audit PALEOCLIMATE: Was the Medieval Warm Period Global? Tree Ring Circus - Opinion - FOXNews.com University investigating prominent climate science critic 2002 1997 1998 Taken By Storm : the troubled science, policy, and politics of global warming Reconstructing Past Climate from Noisy Data Politics plays climate 'hockey' Hearing: Science of Climate Change The early medieval warm epoch and its sequel Reconstruction of the Extratropical NH Mean Temperature over the Last Millennium with a Method that Preserves Low-Frequency Variability Committee on Oversight and Government Reform Study: Earth is hottest now in 2,000 years; humans responsible for much of the warming Hockey sticks, principal components, and spurious significance Agent-Based Simulation of Ecological Alcohol Systems, A dissertation submitted in partial fulfillment of the requirements for the degree of Doctorate of Philosophy at George Mason University A Bayesian Algorithm for Reconstructing Climate Anomalies in Space and Time. Part I: Development and Applications to Paleoclimate Reconstruction Problems Webpage of Stephen McIntyre The Hockey Stick and the Climate Wars: Dispatches from the Front Lines Global Warming Reverses Long-Term Arctic Cooling National panel supports '98 global warming evidence Academy to Referee Climate-Change Fight High-resolution palaeoclimatology of the last millennium: a review of current status and future prospects The past as guide to the future Scientists Say Global Warming Theory is a Lot of Hot Air Evaluation of proxy-based millennial reconstruction methods Media Advisory: The Hockey Stick Controversy - New Analysis Reproduces Graph of Late 20th Century Temperature Rise Part two: How the 'climategate' scandal is bogus and based on climate sceptics' lies | Environment Northern hemisphere temperatures during the past millennium: Inferences, uncertainties, and limitations Climate History and the Science Underlying Fate, Transport, and Health Effects of Mercury Emissions An Inconvenient Truth - Transcript Global-scale temperature patterns and climate forcing over the past six centuries Surface Temperature Reconstructions for the Last Millennium Climate Change 2007: The Physical Science Basis On Past Temperatures and Anomalous Late-20th Century Warmth A New Reconstruction of Temperature Variability in the Extra-Tropical Northern Hemisphere During the Last Two Millennia Statement by Science Committee Chairman Sherwood Boehlert regarding the National Academy of Sciences Report, Surface Temperature Reconstructions for the Last 2,000 Years:. Influence of volcanic eruptions on Northern Hemisphere summer temperature over the past 600 years Letter to Chairman Barton and Chairman Whitfield Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly Questions surrounding the 'Hockey stick' temperature studes; implications for climate change assessments How Warm Was the Medieval Warm Period? Highly variable Northern Hemisphere temperatures reconstructed from low- and high-resolution proxy data A Scientific Graph Stands Trial Hockey Stick Hokum Hans von Storch and Eduardo Zorita on the Hockey stick effect Climate legacy of 'hockey stick' Global Temperatures Highest in 4,000 Years, Study Says - NYTimes.com Skeptics get a journal Interview: Michael Mann discusses a study that shows the pattern of global warming in the previous centuries may actually be part of a natural climate cycle, as evidenced by tree ring data letter to Congressman Henry Waxman Authors were clear about hockey-stick uncertainties dbpedia-es:The_Discovery_of_Global_Warming Climategate Redux Analysis of Incomplete Climate Data: Estimation of Mean Values and Covariance Matrices and Imputation of Missing Values Climate Change: The IPCC Scientific Assessment On the long-term context for late twentieth century warming An inconvenient truth: the planetary emergency of global warming and what we can do about it Climate over Millenia Arctic Environmental Change of the Last Four Centuries Cutting Edge: The Summer of Our Discontent Journal Retracts Disputed Network Analysis Paper on Climate Novel Analysis Confirms Climate "Hockey Stick" Graph High resolution reconstructed Northern Hemisphere temperatures for the last few centuries: using regional average tree ring, ice core and historical annual time series Hunting Witches Testing Climate Reconstructions 'Little Ice Age' summer temperature variations; their nature and relevance to recent global warming trends The Hockey Stick: A New Low in Climate Science Global Changes of the Past Temperature trends over the past five centuries reconstructed from borehole temperatures The Independent Climate Change E-mails Review Tropical glacier and ice core evidence of climate change on annual to millennial time scales. Note on Paper by McIntyre and McKitrick in Energy and Environment. Continental-scale temperature variability during the past two millennia Was there a ‘medieval warm period’, and if so, where and when? Global warming debate heats up Capitol Hill Comment on 'Reconstructing Past Climate from Noisy Data' Adventures in social network analysis Climate Change 1995: The Science of Climate Change Politics Reasserts Itself in the Debate Over Climate Change and Its Hazards Balance as bias: global warming and the US prestige press1 Reconstruction of solar irradiance since 1610: Implications for climate change A Bayesian Algorithm for Reconstructing Climate Anomalies in Space and Time. Part II: Comparison with the Regularized Expectation–Maximization Algorithm The IPCC, the "Hockey Stick" Curve, and the Illusion of Experience Global interdecadal and century-scale climate oscillations during the past five centuries Corrections to the Mann et al. Proxy Data Base and Northern Hemispheric Average Temperature Series Welcome to Climate2003 War of words over new climate change report, 'hockey stick' model: Leading scientist says House climate report is "politicized" Social networks of author–coauthor relationships The missing piece at the Wegman hearing Robustness of the Mann, Bradley, Hughes reconstruction of Northern Hemisphere surface temperatures: Examination of criticisms based on the nature and processing of proxy climate evidence New Evidence Finds This Is Warmest Century in 600 Years Proof that mankind causes climate change is refuted, Kyoto protocol based on flawed statistics Congressman Demands Complete Records on Climate Research by 3 Scientists Who Support Theory of Global Warming Warmed Over CSI | Déjà vu All Over Again Lawmakers Probe Climate Emails Industrial Group Plans To Battle Climate Treaty Part three: Hockey stick graph took pride of place in IPCC report, despite doubts | Environment The Evolution of Climate over the Last Millennium How to Manufacture a Climate Consensus CLIMATE: the Real Color of Climate Change? Corrections & Clarifications The extra-tropical Northern Hemisphere temperature in the last two millennia: Reconstructions of low-frequency variability Reconstructed Northern Hemisphere annual temperature since 1671 based on high-latitude tree-ring data from North America Climate change record in subsurface temperatures: A global perspective Report Raises New Questions About Climate Change Assessments Spatial correlations of interdecadal variation in global surface temperatures Science Panel Backs Study on Warming Climate Breaking the hockey stick CRU Information Sheet no. 5: The Millennial Temperature Record CLIMATE CHANGE: It Was the Best of Times, It Was the Worst of Times Experts claim 2006 climate report plagiarized Song of the Millennium: Cool Prelude and a Fiery Coda Storm Brews Over Global Warming Are multiproxy climate reconstructions robust? Climatologists under pressure The importance of the geophysical context in statistical evaluations of climate reconstruction procedures Scientists respond to Barton Retracted climate critics' study panned by expert Letter to Dr. Michael Mann University reprimands climate science critic for plagiarism How a global-warming skeptic became famous Low-Frequency Signals in Long Tree-Ring Chronologies for Reconstructing Past Temperature Variability Climate Change 2001: Synthesis Report Ad Hoc Committee Report On The ‘Hockey Stick’ Global Climate Reconstruction Climate to Warm Beyond Levels Seen for 11,300 Years A Reconstruction of Regional and Global Temperature for the Past 11,300 Years Comment on "Hockey sticks, principal components, and spurious significance" by S. McIntyre and R. McKitrick Climate change special: State of denial - environment Press release and comment on the NAS report "Surface Temperature Reconstructions for the last 200 Years" Researchers question key global-warming study [op-ed] Sen. Inhofe: NAS Report Refutes Global Warming Theory Cutting Edge: On Reconstructing Past Centuries' Temperatures Physics for future presidents: the science behind the headlines Prometheus: The Science Policy Blog SCI/TECH: Human effect on climate 'beyond doubt' Climate over past millennia Global scale modes of surface temperature variability on interannual to century time scales Dummies guide to the latest "Hockey Stick" controversy Feature: Congressional Brouhaha Over U.N. Report The Climate Files: The Battle for the Truth About Global Warming 'High Confidence' That Planet Is Warmest in 400 Years The M&M Critique of the MBH98 Northern Hemisphere Climate Index: Update and Implications Borehole climate reconstructions: Spatial structure and hemispheric averages Climate 'hockey stick' is revived Corrigendum: Global-scale temperature patterns and climate forcing over the past six centuries High-resolution palaeoclimatic records for the last millennium: interpretation, integration and comparison with General Circulation Model control-run temperatures GOP Chairmen Face Off on Global Warming Bush Aide Softened Greenhouse Gas Links to Global Warming Senator Inhofe on Climate Change Part four: Climate change debate overheated after sceptics grasped 'hockey stick' | Environment Reconstructing hemispheric-scale climates from multiple stalagmite records A noodle, hockey stick, and spaghetti plate: A perspective on high-resolution paleoclimatology Panel Study Fails To Settle Debate On Past Climates Large-scale temperature inferences from tree rings: A review Global Warming Bombshell Business & Technology : Obama science advisers grilled over hacked e-mails Arctic Warming Overtakes 2,000 Years of Natural Cooling Academy affirms hockey-stick graph CRU update 2 Recent warming reverses long-term arctic cooling Detecting the aerial fertilization effect of atmospheric CO2 enrichment in tree-ring chronologies Data and Statistical Sciences Colloquium Series The Discovery of Global Warming Proxy climatic and environmental changes of the past 1000 years Low-frequency temperature variations from a northern tree ring density network Extracting a Climate Signal from 169 Glacier Records How the 'Kochtopus' stifled green debate - Climate Change - Environment Good Science, Bad Politics Copy and paste Millennial temperature reconstruction intercomparison and evaluation Climate Variations and Forcing Mechanisms of the Last 2000 years Hans von Storch Letters Requesting Information Regarding Global Warming Studies Letter to Chairman Barton Proxy inconsistency and other problems in millennial paleoclimate reconstructions In Climate Debate, The 'Hockey Stick' Leads to a Face-Off Climate study gets pulled after charges of plagiarism Climate sceptics claim leaked emails are evidence of collusion among scientists National Academies Synthesis Report Climate Science on Trial Extra-tropical Northern Hemisphere land temperature variability over the past 1000 years TCS Newsflash: Important Global Warming Study Audited -- Numerous Errors Found; New Research Reveals the UN IPCC 'Hockey Stick' Theory of Climate Change is Flawed Letter to Joe Barton Behind the Hockey Stick Climate Change 2001: The Scientific Basis Reconstructing large-scale climatic patterns from tree-ring data : a diagnostic analysis CLIMATE WARMING: Seeing the Wood from the Trees Surface temperature reconstructions for the last 2,000 years Reply to McIntyre and McKitrick: Proxy-based temperature reconstructions are robust Climate Change Update Senate Floor Statement Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia Corrigendum: Highly variable Northern Hemisphere temperatures reconstructed from low- and high-resolution proxy data Climates of the British Isles: present, past and future Science Must Be Unpolluted by Politics Northern Hemisphere temperature patterns in the last 12 centuries

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La controversia del palo de hockey hace referencia a los debates sobre los aspectos técnicos y repercusión en el calentamiento global de las gráficas de reconstrucciones del registro de temperatura del último milenio. A nivel político, el debate se centra en el uso de dichas gráficas como método para difundir al público aspectos científicos complejos, y en la solidez de las afirmaciones presentadas por el Grupo Intergubernamental de Expertos sobre el Cambio Climático (IPCC por sus siglas en inglés). A finales de los años noventa, varios grupos de investigación utilizando proxies para estimar el registro de temperatura encontraron evidencias de que el calentamiento actual era excepcional.​ En 1998 Michael E. Mann, Raymond S. Bradley y Malcolm K. Hughes (MBH en adelante) realizaron la primera reconstrucción cuantitativa de la temperatura a nivel de hemisferio a partir del análisis de un conjunto diverso de medidas. Esta reconstrucción se remontaba hasta 1400 y mostraba un rápido aumento de la temperatura, posteriormente, en su artículo de 1999, extendieron este estudio hasta el año 1000. La gráfica mostrando este incremento fue utilizada durante la reunión del Tercer Informe de Evaluación del IPCC en 2001 como representativa de la visión general entre los científicos del clima del incremento más o menos pronunciado de la temperatura a partir de la segunda mitad del siglo XX. El término palo de hockey fue acuñado por el climatólogo y director del Jerry Mahlman para describir el patrón observado en el gráfico; una fase relativamente plana hasta 1900 seguido por un rápido incremento.​ En 2003, Willie Soon y Sallie Baliunas arremetieron contra este patrón en un artículo que posteriormente fue calificado como erróneo.​ También en 2003, Stephen McIntyre y Ross McKitrick publicaron un artículo cuestionando los métodos estadísticos usados en el artículo de Mann et al.​ Sin embargo, Hans von Storch considera este artículo como de poca relevancia y cree que su artículo de 2004 es el primero que plantea una crítica significativa a los métodos estadísticos usados por MBH.​ En 2006, por requerimiento del Congreso de los Estados Unidos, se formó un grupo de estudio compuesto por científicos que declaró su apoyo a los descubrimientos de Mann con algunas matizaciones, incluyendo la advertencia de la existencia de algunos errores estadísticos aunque con poco efecto en los resultados finales.​ Más de doce artículos posteriores, usando diferentes métodos estadísticos y combinaciones de registros de proxies, han reproducido reconstrucciones similares a la gráfica original en palo de hockey de MBH, únicamente mostrando algunas diferencias en cómo de plana es la regiónn anterior al siglo XX. Más de una docena de reconstrucciones posteriores apoyan las conclusiones del IPCC de que la década más cálida en los últimos 1000 años fue probablemente la última del final del siglo XX.​

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