This video looks at the scientific research to answer three basic questions: 1) Was the Medieval Warm Period global? 2) Was it warmer than today? 3) And what does this all mean anyway? I examine the internet feud over the hockey stick and the various myths and misinterpretations about the Medieval Warm Period that seem to be rife on the Internet. My sources for the myths are blogs and videos; my sources for the facts are scientific papers.
SOURCES
0:45 Christopher Monckton interview with Alan Coren
01:23 http://www.co2science.org/education/reports/prudentpath/ch1.php
and http://scienceandpublicpolicy.org/images/stories/papers/blogwatch/nova_hidden...
02:18 Ibid
02:42 "Global-scale temperature patterns and climate forcing over the past six centuries" -- ----- Mann Bradley and Hughes, Nature 1998
02:50 "Northern Hemisphere Temperatures During the Past
Millennium: Inferences, Uncertainties, and Limitations" Mann Bradley and Hughes, American Geophysical Union. 1999
03:03 "Hockey sticks, principal components, and spurious significance" -- McIntyre and McKitrick, Geophysical Research Letters 2005
03:18 "Surface Temperature Reconstructions for the Last 2,000 years" National Academy of Sciences
03:41 "Ad Hoc Committee Report on the 'Hockey Stick' Global [sic] Climate Reconstruction" -- Edward Wegman, published in Computational Statistics and Data Analysis 2008
"Climate study gets pulled after charges of plagiarism" http://www.usatoday.com/weather/climate/globalwarming/2011-05-15-climate-stud...
04:21 "Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia" Mann et al, PNAS 2008
05:10 "Orbital Forcing of Tree Ring Data" Esper et al, Nature Climate Change 2012
05:20 Daily Mail story: http://www.dailymail.co.uk/sciencetech/article-2171973/Tree-ring-study-proves...
06:23 "A NEW RECONSTRUCTION OF TEMPERATURE VARIABILITY IN THE EXTRA-TROPICAL NORTHERN HEMISPHERE DURING THE LAST TWO MILLENNIA" Lungqvist, Swedish Society for Anthropology and Geography 2010
07:00 "Catastrophe Denied" by Warren Myer
07:37 "Highly variable Northern Hemisphere temperatures reconstructed from
low- and high-resolution proxy data" -- Moberg, Nature 2005
08:21 "A 2000-YEAR GLOBAL TEMPERATURE RECONSTRUCTION
BASED ON NON-TREERING PROXIES" -- Loehle 2007
08:28 Joannenova.com
08:40 "Correction to: A 2000-YEAR GLOBAL TEMPERATURE
RECONSTRUCTION BASED ON NON-TREE RING PROXIES" Loehle 2008
08:50 Ibid
09:01 http://www.skepticalscience.com/new-remperature-reconstruction-vindicates.html
09:15 "The Great Global Warming Swindle" -- by Martin Durkin Channel 4
09:26 "Global Warming Sunspots Explained" by David Archibald
09:31 "Catastrophe Denied" by Warren Myer
09:35 "The Truth About Global Warming" by David Icke
09:48 IPCC report, Chapter 7, 1990
10:10 McIntyre
10:19 "High-resolution palaeoclimatology of the last millennium: a review of current
status and future prospects" Jones et al, The Holocene, 2009
11:40 Global Warming (or is it Global Cooling)' http://rogerfromnewzealand.wordpress.com/porky-no-3-ipcc-attempts-to-change-h...
14:59 Joannenova.com
17:24 "Unstoppable Solar Cycles" http://www.youtube.com/watch?v=Cl4Pz1mwBao
19:10 "Extra-tropical Northern Hemisphere land temperature variability over the past 1000 years" Cook et al., Quaternary Science Reviews 2004
19:24 "Long-Term Aridity Changes in the Western United States" -- Cook et al, Science 2004
See also: "Drought Reconstructions for the Continental United States" -- Cook et al, Journal of Climate 2004
19:27 "The 'Mediaeval Warm Period' drought recorded in Lake Huguangyan, tropical
South China" -- Chu et al, The Holocene 2002
19:29 "Amazonia suffered immense drought between 700-800 AD and 1000-1100 AD" (Fire, Climate Change and Biodiversity in Amazonia: a Late Holocene Perspective. M. Bush. Phil. Trans. Royal Society. 2008. Archaeological Evidence for the Impact of Mega-Nino Events on Amazonia during the past two Millennia. B. Meggers. Smithsonian. 1994.)
19:33 http://www.newscientist.com/movie/usmap
19:45 "Drought Under Global Warming: a review" -- Aiguo Dai, Wiley Interdisciplinary Reviews: Climate Change 2011
https://www2.ucar.edu/atmosnews/news/2904/climate-change-drought-may-threaten...
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