Friday, December 30, 2011


cc: Eystein Jansen <>, Valerie Masson-Delmotte <>
date: Thu, 13 Jan 2005 21:45:38 -0700
from: Jonathan Overpeck <>
subject: the new "warm period myths" box
to: Keith Briffa <>,

Hi Keith and Tim - since you're off the 6.2.2 hook until Eystein
hangs you back up on it, you have more time to focus on that new Box.
In reading Valerie's Holocene section, I get the sense that I'm not
the only one who would like to deal a mortal blow to the misuse of
supposed warm period terms and myths in the literature. The sceptics
and uninformed love to cite these periods as natural analogs for
current warming too - pure rubbish.

So, pls DO try hard to follow up on my advice provided in previous
email. No need to go into details on any but the MWP, but good to
mention the others in the same dismissive effort. "Holocene Thermal
Maximum" is another one that should only be used with care, and with
the explicit knowledge that it was a time-transgressive event totally
unlike the recent global warming.

Thanks for doing this on - if you have a cool figure idea, include it.

Best, peck
Jonathan T. Overpeck
Director, Institute for the Study of Planet Earth
Professor, Department of Geosciences
Professor, Department of Atmospheric Sciences

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