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“Dealing a Mortal Blow” to the MWP (Medieval Warm Period)
climateaudit.org ^ | April 8, 2010 | Steve McIntyre

Posted on 04/08/2010 10:25:02 PM PDT by neverdem

There has been a considerable amount of speculation over the past few years about which “leading” climate scientist told David Deming that we have to “get rid of” the Medieval Warm Period, including speculation (e.g. ukweatherworld) that it was Jonathan Overpeck (recently one of two Coordinating Lead Authors of AR4 chapter 6).

While the identity of Deming’s correspondent remains uncertain, a Climategate letter from January 13. 2005, written as an instruction from Overpeck as Coordinating Lead Author to IPCC Lead Authors Briffa and Osborn (cc Jansen, Masson-Delmotte), states that Overpeck wants to “deal a mortal blow” to the MWP (and Holocene Optimum) “myths” (480. 1105670738.txt).

Subject: the new “warm period myths” box

Hi Keith and Tim -

In reading Valerie [Masson-Delmotte]’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

Oddly, given Overpeck’s commitment to “dealing a mortal blow” to the “misuse” of the MWP, in another Climategate letter, he didn’t like speculation about him being the one who wanted to “get rid of” the MWP (see 868. 1206628118.txt in March 2008.)

David Holland had written Overpeck, referring to speculation at ukweatherworld that Overpeck was the “get rid of the MWP” scientist, and seeking a statement from Overpeck.

Overpeck wrote to Jones, Mann, Santer, Susan Solomon and Keith Trenberth seeking advice on how to respond, telling them that he didn’t remember any such exchange, but conceding the possibility that Deming is quoting “out of context”:

I have no memory of emailing w/ him, nor any record of doing so (I need to do an exhaustive search I guess), nor any memory of him period. I assume it is possible that I emailed w/ him long ago, and that he’s taking the quote out of context, since know I would never have said what he’s saying I would have, at least in the context he is implying.

Overpeck says that he is reluctant to publish a statement on the matter for fear that Deming would “then produce a fake email”.

Any idea what my reaction should be? I usually ignore this kind of misinformation, but I can imagine that it could take on a life of it’s own and that I might want to deal with it now, rather than later. I could – as the person below suggests – make a quick statement on a web site that the attribution to me is false, but I suspect that this Deeming guy could then produce a fake email. I would then say it’s fake. Or just ignore? Or something else?

Jones wrote back, informing Overpeck that Holland had been making FOI requests, mentioning that he was off with Mann to Tahiti the next week:

I’m away all next week – with Mike. PaleoENSO meeting in Tahiti – you can’t turn those sorts of meetings down!

To a third party, it’s hard to understand why someone who wants to “deal a mortal blow” to the “myth” of the MWP would take exception to being labeled as someone who wanted to “get rid of” MWP. The objective in each case seems pretty much the same.

Maybe it’s just a vocabulary thing. Perhaps Overpeck feels that the term “getting rid of” is a little too Tony Soprano-ish for the “Director of the Institute for the Study of Planet Earth”, whereas the term “dealing a mortal blow” has the right sort of Arthurian cadence for Overpeck, who would rather be cast as Sir Launcelot than Tony Soprano.

Be that as it may, while Overpeck was concerned that Deming might produce a “fake email” purporting to show Overpeck seeking to “get rid of the MWP”, Overpeck hasn’t challenged the authenticity of the Climategate email in which he aspires to “deal a mortal blow” to the MWP.

Postscript: for the nth time, note that the position of the MM articles and many CA posts is that the multiproxy studies relied upon by IPCC do not prove that the modern warm period is warmer than the MWP. This doesn’t mean that we’ve claimed to have established the opposite or that some future scientist couldn’t prove the point with better proxies.


TOPICS: Crime/Corruption; Culture/Society; Editorial; Politics/Elections
KEYWORDS: climategate; globalwarming; godsgravesglyphs; medievalwarmperiod; mwp
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1 posted on 04/08/2010 10:25:03 PM PDT by neverdem
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To: neverdem

one might as well try to “deal a mortal blow” to gravity!


2 posted on 04/08/2010 10:47:30 PM PDT by HiTech RedNeck (I am in America but not of America (per bible: am in the world but not of it))
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To: neverdem
McIntyre and McKitrick (MM) -- Davids vs. the AGW Goliath.

The developed world owes them some serious gratitude.

3 posted on 04/08/2010 10:54:05 PM PDT by TChad
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To: TChad

Bookmark


4 posted on 04/08/2010 10:59:58 PM PDT by Publius6961 (You can't build a reputation on what you are going to do)
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To: TChad

The history books don’t lie about the weather


5 posted on 04/08/2010 11:01:18 PM PDT by HiTech RedNeck (I am in America but not of America (per bible: am in the world but not of it))
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To: neverdem

LIBS LIE oh no!


6 posted on 04/08/2010 11:10:55 PM PDT by TomasUSMC ( FIGHT LIKE WW2, FINISH LIKE WW2. FIGHT LIKE NAM, FINISH LIKE NAM)
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To: neverdem

never

Memo to peck, rubbish may be good or not, rubbish is almost always fun but, pure rubbish is like ??? Rare

R.


7 posted on 04/08/2010 11:25:06 PM PDT by Rabin
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To: neverdem

meeting in Tahiti – you can’t turn those sorts of meetings down!””

You can’t if your a tenured elitist,

but as for us........


8 posted on 04/08/2010 11:32:51 PM PDT by DontTreadOnMe2009 (So stop treading on me already!)
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To: neverdem

Thomas Jefferson on how his climate has changed and become warmer

“A change in our climate however is taking place very sensibly. Both heats and colds are become much more moderate within the memory even of the middle-aged. Snows are less frequent and less deep. They do not often lie, below the mountains, more than one, two, or three days, and very rarely a week. They are remembered to have been formerly frequent, deep, and of long continuance.

The elderly inform me the earth used to be covered with snow about three months in every year. The rivers, which then seldom failed to freeze over in the course of the winter, scarcely ever do so now. This change has produced an unfortunate fluctuation between heat and cold, in the spring of the year, which is very fatal to fruits. From the year 1741 to 1769, an interval of twenty-eight years, there was no instance of fruit killed by the frost in the neighbourhood of Monticello. An intense cold, produced by constant snows, kept the buds locked up till the sun could obtain, in the spring of the year, so fixed an ascendency as to dissolve those snows, and protect the buds, during their developement, from every danger of returning cold.”

The accumulated snows of the winter remaining to be dissolved all together in the spring, produced those overflowings of our rivers, so frequent then, and so rare now.”

Amazing

Do you think it will change anyone’s mind???


9 posted on 04/08/2010 11:39:09 PM PDT by DontTreadOnMe2009 (So stop treading on me already!)
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To: neverdem
“Dealing a Mortal Blow” to the MWP (Medieval Warm Period)

Medieval Warm Period Record of the Week
Was there a Medieval Warm Period? YES, according to data published by 817 individual scientists from 486 separate research institutions in 43 different countries... and counting! This issue's Medieval Warm Period Record of the Week comes from Raffels Sø, Liverpool Land, East Greenland. To access the entire Medieval Warm Period Project's database, click here.
10 posted on 04/08/2010 11:48:50 PM PDT by aruanan
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To: DontTreadOnMe2009
meeting in Tahiti – you can’t turn those sorts of meetings down!

Isn't there a certain irony here? The climate scientists are always saying how warming is bad, yet given the chance, they rush off to .... the warmth of a tropical island!

Oh, the hypocrisy ...


11 posted on 04/09/2010 1:58:03 AM PDT by canuck_conservative
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To: neverdem; Nervous Tick; Amagi; Beowulf; Tunehead54; Clive; Fractal Trader; tubebender; marvlus; ...
The Competitive Enterprise Institute will be bestowing the Julian Simon Award on Steve McIntyre and Ross McKitrick for their efforts in debunking Mann's hockey stick at CEI's 2010 Dinner, June 17 at Hyatt Regency Capitol Hill 400 New Jersey Ave. NW Washington, DC 20001.

 


Beam me to Planet Gore !

12 posted on 04/09/2010 3:22:56 AM PDT by steelyourfaith (Warmists as "traffic light" apocalyptics: "Greens too yellow to admit they're really Reds."-Monckton)
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To: neverdem
...a time-transgressive event ...

WTF is that?

13 posted on 04/09/2010 3:37:16 AM PDT by DuncanWaring (The Lord uses the good ones; the bad ones use the Lord.)
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To: DontTreadOnMe2009
Fascinating quote, but probably not directly related to Medieval Warm Period.

I believe it is in response to Jefferson's observation that the Little Ice Age was finally loosening its grip on the northern hemisphere.

14 posted on 04/09/2010 3:50:56 AM PDT by doc11355
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To: DontTreadOnMe2009

Source URL please?


15 posted on 04/09/2010 7:51:58 AM PDT by neverdem (Xin loi minh oi)
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To: wardaddy; Joe Brower; Cannoneer No. 4; Criminal Number 18F; Dan from Michigan; Eaker; Jeff Head; ...
Obama swings and misses at Sox lore America's No. 1 White Sox fan!

Tea partiers push GOP 2012 hopefuls to the right

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16 posted on 04/09/2010 8:21:55 AM PDT by neverdem (Xin loi minh oi)
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To: neverdem

Thanks for the ping!


17 posted on 04/09/2010 8:52:05 AM PDT by Alamo-Girl
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To: TChad

See the Note at #12....


18 posted on 04/09/2010 9:07:09 AM PDT by Ernest_at_the_Beach ( Support Geert Wilders)
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To: DuncanWaring
...a time-transgressive event ...

*** WTF is that? ***

That's a technical term for

'Data we need to hide so our Gubmint Grants don't dry up'
;-)
19 posted on 04/09/2010 10:12:51 AM PDT by Condor51 (SAT CONG!)
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To: neverdem

http://xroads.virginia.edu/~hyper/jefferson/ch07.html


20 posted on 04/09/2010 2:54:13 PM PDT by DontTreadOnMe2009 (So stop treading on me already!)
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