Scientists and Sceptics: Blogs, Climate Science and Reproducible Research
Scientists and Sceptics: blogs, climate science and reproducible research David Nichols Department of Computer Science University of Waikato Hamilton, New Zealand Scientists and Sceptics: blogs, climate science and reproducible research or Watching the sceptics attack the global warming consensus by accusing climate scientists of not being proper scientists or Blogs I’ve been reading for the past few years A longitudinal ethnographic observation of a networked community of practice Data Communities (TDCT) • Starbucks – 1. regular user, no talk, usual drink , not part of community – 2. meet colleague, use their infrastructure, not part of community, bring my own community, library-like • Cheers – Talk to customers and bartenders, serendipities • Gary’s Old Towne Tavern – Access same beer/data – Hate the Cheers community, think they are wrong Topic Overview • Global warming science • Sceptic Community: development & activities • Data and code access • Data quality detectives • Citizen scientists/sceptics: surfacestations.org • Who is in control of the data? • Reproducible research – Replicate or validate or verify or audit The start: MBH98 and MBH99 • Mann, M.E., Bradley, R.S. and Hughes, M.K., 1998. “Global-Scale Temperature Patterns and Climate Forcing Over the Past Six Centuries”, Nature, 392, 779-787. (GS: 815 cites) • Mann, M.E., Bradley, R.S. and Hughes, M.K. 1999. “Northern Hemisphere Temperatures During the Past Millennium: Inferences, Uncertainties, and Limitations”, Geophysical Research Letters, 26, 759-762. (GS: 811 cites) Intergovernmental Panel on Climate Change (IPCC) Third Assessment Report, 2001, Summary for Policy Makers, Figure 1b, pg 3 HS in An Inconvenient Truth http://www.climateaudit.org/wp-content/uploads/2007/11/gore_a1.jpg AIT DVD Faulty y-axis labelling is corrected in the book version http://www.climateaudit.org/wp-content/uploads/2007/11/gore_a2.jpg Gore, A.
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