http://blog.maxdunn.com/articles/2007/12/08/global-temperature-reconstruction en-us 40 Max Dunn's Personal Blog <p>The global temperature graph that appears in <a href="http://www.climatecrisis.net/">An Inconvenient Truth</a> and also the one that the <a href="http://www.ipcc.ch/"><span class="caps">IPCC</span></a> uses is usually referred to as the <a href="http://www.caenvirothon.com/Resources/Mann,%20et%20al.%20Global%20scale%20temp%20patterns.pdf">Mann or <span class="caps">MBH98</span> graph.</a></p> <p>However, this temperature reconstruction is <a href="http://en.wikipedia.org/wiki/Hockey_stick_graph">controversial.</a> One of its problems is that it doesn&#8217;t show the <a href="http://en.wikipedia.org/wiki/Medieval_Warm_Period" title="MWP">Medieval Warming Period</a> or the <a href="http://en.wikipedia.org/wiki/Little_Ice_Age">Little Ice Age (LIA).</a></p> <p>More recently, Loehle put together <a href="http://www.ncasi.org/publications/Detail.aspx?id=3025">another temperature reconstruction</a> that doesn&#8217;t use tree rings and this reconstruction does show the <span class="caps">MWP</span> and <span class="caps">LIA</span>.</p> Sat, 08 Dec 2007 09:43:00 -0800 urn:uuid:6181d990-5739-47d6-9030-952ddec59e22 Max Dunn http://blog.maxdunn.com/articles/2007/12/08/global-temperature-reconstruction Global Warming