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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: Wharf Rat who wrote (8490)	12/7/2006 12:31:50 PM
From: longnshort	Respond to of 36921

Seems like GW wackos believe there was one. "I had another interesting experience around the time my paper in Science was published. I received an astonishing email from a major researcher in the area of climate change. He said, "We have to get rid of the Medieval Warm Period.

To: Wharf Rat who wrote (8490)	12/7/2006 12:32:32 PM
From: longnshort	Respond to of 36921

From around 800 A.D. to 1200 or 1300, the globe warmed again considerably and civilization prospered. This warm era displays, although less distinctly, many of the same characteristics as the earlier period of clement weather. Virtually all of northern Europe, the British Isles, Scandinavia, Greenland, and Iceland were considerably warmer than at present. The Mediterranean, the Near East, and North Africa, including the Sahara, received more rainfall than they do today. During this period of the High Middle Ages, most of North America also enjoyed better weather. In the early centuries of the epoch, China experienced higher temperatures and a more clement climate. From Western Europe to China, East Asia, India, and the Americas, mankind flourished as never before.

To: Wharf Rat who wrote (8490)	12/7/2006 12:32:55 PM
From: longnshort	Read Replies (2) \| Respond to of 36921

Ice cores and tree rings say you are wrong.

To: Wharf Rat who wrote (8490)	12/7/2006 1:08:11 PM
From: longnshort	Respond to of 36921

800-1100 Tibetan Plateau Warming period Permafrost records/reconstruction Yang EOS 2002

To: Wharf Rat who wrote (8490)	12/7/2006 3:52:24 PM
From: Alastair McIntosh	Read Replies (1) \| Respond to of 36921

Mr. Rat, you are indeed a member of a select group. Probably one of not more than a few dozen who deny the MWP. There is no serious doubt that a global temperature drop of several degrees occurred from AD 1000 to 1700. Mann, Bradley and Hughes are still trying to pretend that they didn't screw up in their notorious "hockey stick" reconstruction. They either fiddled with their data or didn't have the statistical skills to do the analysis. You might want to review a few of the recent papers of Constance Millar. fs.fed.us Of particular interest is fs.fed.us Table 4 on Page 10 summarizes differences in climate estimates for the period AD 800 - 1350. Her research shows that temperatures in the MWP were about 3 deg above current values.