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	<title>Comments on: Sci-Am: Mann and the Hockey Stick</title>
	<atom:link href="http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/feed/" rel="self" type="application/rss+xml" />
	<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/</link>
	<description>by Steve McIntyre</description>
	<lastBuildDate>Wed, 22 May 2013 03:13:53 +0000</lastBuildDate>
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		<title>By: Mann-erisms: Where did we get that idea? &#171; Watts Up With That?</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-215059</link>
		<dc:creator><![CDATA[Mann-erisms: Where did we get that idea? &#171; Watts Up With That?]]></dc:creator>
		<pubDate>Sun, 10 Jan 2010 19:31:12 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-215059</guid>
		<description><![CDATA[[...] interviews with Michael Mann, because on previous occasions Mann gets to say ridiculous things and get praised for them by fawning interviewers. One of the great mysteries of climate science is why Mann never gets interviewed by an informed [...]]]></description>
		<content:encoded><![CDATA[<p>[...] interviews with Michael Mann, because on previous occasions Mann gets to say ridiculous things and get praised for them by fawning interviewers. One of the great mysteries of climate science is why Mann never gets interviewed by an informed [...]</p>
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		<title>By: More Hypocrisy: RealClimate and Funding Issues — Geoffrey Allan Plauché</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32165</link>
		<dc:creator><![CDATA[More Hypocrisy: RealClimate and Funding Issues — Geoffrey Allan Plauché]]></dc:creator>
		<pubDate>Tue, 13 Oct 2009 07:41:06 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32165</guid>
		<description><![CDATA[[...] For more on and from Mann, see here. [...]]]></description>
		<content:encoded><![CDATA[<p>[...] For more on and from Mann, see here. [...]</p>
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		<title>By: Geoff Sherrington</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32164</link>
		<dc:creator><![CDATA[Geoff Sherrington]]></dc:creator>
		<pubDate>Tue, 06 Nov 2007 12:05:53 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32164</guid>
		<description><![CDATA[In the early 1980s I was part of a group trying to understand the motivation of the emergent radical and sometimes harmful greens who were spiking trees, chaining themselves to construction sites and making up incredible scare stores about radioactive fish that glow in the dark - you know the set that I mean.

We took every easily-available green world publication with a list of members and tried to find the geographical focus of discontent. The main identifiable centre was western and southern Germany, though it was fairly diffuse and we were hestitant to draw conclusions. (California scored a bit of focus, but they were on the rebound from the 60s when LSD was nice). Some heavy funding was coming from some unexpected Foundations and Benefactors who shall remain nameless because I have forgotten who they were but remembered that I was surprised at why they were spending.

With hesitation, I felt that the discontent was a product of savage recent war. We also discussed whether the materials of war were targeted. Think about the strength of anti-uranium after the 2 Japanese bombs. Think about lead poising, lead being used in bullets. Anti-whaling, as the whales were shot by harpoon guns. About oil crises, fuel for warplanes, napalm. A whole splinter group campaigned against anything with chlorine in it, like DDT and dioxin - what gas was used in the trenches? Then came the anti-synthetic chemical phase which has led to the current PC organic farming fad, as though war chemically contaminates everything pure and natural. One further spin-off is anti immunisation, since it is not &quot;natural&quot; and people were terminated by lethal injection. Fluoridation of drinking water was equated by some to gas chambers mandated by compulsory State action. But heck, it&#039;s just a theory and it lacks proof. (And modelling).

It is possible that these extreme reactions against mainstream society were not created by choice. Who knows the true trauma of the after-effects of war? Does the human genome start to change in response to savage consequences of war? Is the anti-science stance an evolutionary product, carried in the genes and growing stronger generationally?

Publishers of magazines are forever doing market reasearch so they can appeal to a public that thrives on fads. Sci-Am was taken over by a group from this (postulated) region of discontent if #21 above is correct and began writing incredibly green papers. It might have started this course before then. We oldies know that incredibly green policy equates with incredibly bad science. Can anyone volunteer a top quality scientific article that espoused green ideals (and offers its source code and reviewers&#039; comments)?

&quot;Hagiography&quot; opened this thread. I&#039;m more alarmed by autohagiography (as in autobiography versus biography). Sometimes I feel that articles about people have descriptions of the authors written by the authors. Sometimes I feel that authors are the peers who review their own papers.

One way to clear the air is to openly disclose your name and experience, like I have done on CA. I have not had a single word of abuse since I explained who I was and where I came from. Maybe it could be good to have a section of CA where readers can look up readable c.v. material for frequent writers. I would not be surprised to find some very high quality people disclosing their interests. That is one reason why I can note that as I write, CA has become number two for the moment in Weblog popularity stakes.]]></description>
		<content:encoded><![CDATA[<p>In the early 1980s I was part of a group trying to understand the motivation of the emergent radical and sometimes harmful greens who were spiking trees, chaining themselves to construction sites and making up incredible scare stores about radioactive fish that glow in the dark &#8211; you know the set that I mean.</p>
<p>We took every easily-available green world publication with a list of members and tried to find the geographical focus of discontent. The main identifiable centre was western and southern Germany, though it was fairly diffuse and we were hestitant to draw conclusions. (California scored a bit of focus, but they were on the rebound from the 60s when LSD was nice). Some heavy funding was coming from some unexpected Foundations and Benefactors who shall remain nameless because I have forgotten who they were but remembered that I was surprised at why they were spending.</p>
<p>With hesitation, I felt that the discontent was a product of savage recent war. We also discussed whether the materials of war were targeted. Think about the strength of anti-uranium after the 2 Japanese bombs. Think about lead poising, lead being used in bullets. Anti-whaling, as the whales were shot by harpoon guns. About oil crises, fuel for warplanes, napalm. A whole splinter group campaigned against anything with chlorine in it, like DDT and dioxin &#8211; what gas was used in the trenches? Then came the anti-synthetic chemical phase which has led to the current PC organic farming fad, as though war chemically contaminates everything pure and natural. One further spin-off is anti immunisation, since it is not &#8220;natural&#8221; and people were terminated by lethal injection. Fluoridation of drinking water was equated by some to gas chambers mandated by compulsory State action. But heck, it&#8217;s just a theory and it lacks proof. (And modelling).</p>
<p>It is possible that these extreme reactions against mainstream society were not created by choice. Who knows the true trauma of the after-effects of war? Does the human genome start to change in response to savage consequences of war? Is the anti-science stance an evolutionary product, carried in the genes and growing stronger generationally?</p>
<p>Publishers of magazines are forever doing market reasearch so they can appeal to a public that thrives on fads. Sci-Am was taken over by a group from this (postulated) region of discontent if #21 above is correct and began writing incredibly green papers. It might have started this course before then. We oldies know that incredibly green policy equates with incredibly bad science. Can anyone volunteer a top quality scientific article that espoused green ideals (and offers its source code and reviewers&#8217; comments)?</p>
<p>&#8220;Hagiography&#8221; opened this thread. I&#8217;m more alarmed by autohagiography (as in autobiography versus biography). Sometimes I feel that articles about people have descriptions of the authors written by the authors. Sometimes I feel that authors are the peers who review their own papers.</p>
<p>One way to clear the air is to openly disclose your name and experience, like I have done on CA. I have not had a single word of abuse since I explained who I was and where I came from. Maybe it could be good to have a section of CA where readers can look up readable c.v. material for frequent writers. I would not be surprised to find some very high quality people disclosing their interests. That is one reason why I can note that as I write, CA has become number two for the moment in Weblog popularity stakes.</p>
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		<title>By: Sam Urbinto</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32163</link>
		<dc:creator><![CDATA[Sam Urbinto]]></dc:creator>
		<pubDate>Tue, 06 Nov 2007 00:40:27 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32163</guid>
		<description><![CDATA[Dating error, isn&#039;t that when you go out with the wrong person?]]></description>
		<content:encoded><![CDATA[<p>Dating error, isn&#8217;t that when you go out with the wrong person?</p>
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		<title>By: Craig Loehle</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32162</link>
		<dc:creator><![CDATA[Craig Loehle]]></dc:creator>
		<pubDate>Mon, 05 Nov 2007 17:07:25 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32162</guid>
		<description><![CDATA[I have shown that with dating error and measurement error, dates of peak temperatures (MWP) at different locations will in fact rarely line up nicely.  Thus failure to align within a few hundred years does not discount the MWP.
Loehle, C. 2005.  Estimating Climatic Timeseries from Multi-Site Data Afflicted with Dating Error.   Mathematical Geology 37:127-140]]></description>
		<content:encoded><![CDATA[<p>I have shown that with dating error and measurement error, dates of peak temperatures (MWP) at different locations will in fact rarely line up nicely.  Thus failure to align within a few hundred years does not discount the MWP.<br />
Loehle, C. 2005.  Estimating Climatic Timeseries from Multi-Site Data Afflicted with Dating Error.   Mathematical Geology 37:127-140</p>
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		<title>By: Colin MacDonald</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32161</link>
		<dc:creator><![CDATA[Colin MacDonald]]></dc:creator>
		<pubDate>Mon, 05 Nov 2007 16:23:15 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32161</guid>
		<description><![CDATA[Mann doesn&#039;t deny various degrees of local warming in the past; however he argues that the MWP occurred at different times across the planet within I suppose a 400 year time span. Any local warming is cancelled out by cooling elsewhere and perfect global equilibrium is maintained.  My problem with this is why
haven&#039;t we seen similar local climate variations during the last 150 years.

Nobody denies that the European viniculture 800 years ago extended to East Prussia and southern Norway,  requiring an average temperature 1.5 C higher than today; this presumably sustained for 100 years minimum.  Mann would presumably argue a similarly sustained cooling elsewhere to compensate.  If local random variation can produce a warming of this degree over an area the size of europe over 100 or probably 200 years how much variation can we expect over a 30 year period? 2 C.  Maybe even 3 C.  Over a 10 year period maybe even 5 C.

Perhaps Mann can show where these extreme&quot;natural&quot; variations have occurred in the last 150 years.  We have good temperature data from the mid 19th century onwards and don&#039;t have to rely on proxies!

Given the hysteria that ensued during summer 2006 when average temperatures over parts of NW Europe were 2-3 C above average I think we can safely assume this doesn&#039;t happen too often. Or maybe it happens all the time.  Maybe Quebec warmed and aquired a New England climate while New England cooled and became like Quebec.]]></description>
		<content:encoded><![CDATA[<p>Mann doesn&#8217;t deny various degrees of local warming in the past; however he argues that the MWP occurred at different times across the planet within I suppose a 400 year time span. Any local warming is cancelled out by cooling elsewhere and perfect global equilibrium is maintained.  My problem with this is why<br />
haven&#8217;t we seen similar local climate variations during the last 150 years.</p>
<p>Nobody denies that the European viniculture 800 years ago extended to East Prussia and southern Norway,  requiring an average temperature 1.5 C higher than today; this presumably sustained for 100 years minimum.  Mann would presumably argue a similarly sustained cooling elsewhere to compensate.  If local random variation can produce a warming of this degree over an area the size of europe over 100 or probably 200 years how much variation can we expect over a 30 year period? 2 C.  Maybe even 3 C.  Over a 10 year period maybe even 5 C.</p>
<p>Perhaps Mann can show where these extreme&#8221;natural&#8221; variations have occurred in the last 150 years.  We have good temperature data from the mid 19th century onwards and don&#8217;t have to rely on proxies!</p>
<p>Given the hysteria that ensued during summer 2006 when average temperatures over parts of NW Europe were 2-3 C above average I think we can safely assume this doesn&#8217;t happen too often. Or maybe it happens all the time.  Maybe Quebec warmed and aquired a New England climate while New England cooled and became like Quebec.</p>
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		<title>By: Brooks Hurd</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32160</link>
		<dc:creator><![CDATA[Brooks Hurd]]></dc:creator>
		<pubDate>Tue, 05 Dec 2006 22:52:56 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32160</guid>
		<description><![CDATA[Re: 41, Patrick,

They are claiming not that these things did not happen, but rather that the happened locally only, rather than globally. Mann 2006, states many times that the MWP and LIA were European phenomena. He references several coral studies which show the reverse of the MWP and LIA. Mann, of course, defines these as &quot;global,&quot; not &quot;local.&quot;

When there are a high number of land falling tropical cyclones along the Gulf Coast, that becomes &quot;global,&quot; rather than &quot;local.&quot;

The Mann Group (named on his Penn State web site) seems to define &quot;global&quot; and &quot;local&quot; based not on the locations. but rather on the story that they are trying to support.]]></description>
		<content:encoded><![CDATA[<p>Re: 41, Patrick,</p>
<p>They are claiming not that these things did not happen, but rather that the happened locally only, rather than globally. Mann 2006, states many times that the MWP and LIA were European phenomena. He references several coral studies which show the reverse of the MWP and LIA. Mann, of course, defines these as &#8220;global,&#8221; not &#8220;local.&#8221;</p>
<p>When there are a high number of land falling tropical cyclones along the Gulf Coast, that becomes &#8220;global,&#8221; rather than &#8220;local.&#8221;</p>
<p>The Mann Group (named on his Penn State web site) seems to define &#8220;global&#8221; and &#8220;local&#8221; based not on the locations. but rather on the story that they are trying to support.</p>
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		<title>By: Patrick Trombly</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32159</link>
		<dc:creator><![CDATA[Patrick Trombly]]></dc:creator>
		<pubDate>Tue, 05 Dec 2006 21:45:37 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32159</guid>
		<description><![CDATA[I still say that we&#039;re putting the tail before the dog with the proxy
data.  The question isn&#039;t whether to believe tree ring widths or tree lines, but
whether one can genuinely choose to believe the models using proxy data without
coming up with an alternative explanation for the mountains of physical evidence.
If the tree line was higher around the world than it is today - by 100-300 meters -
how could that happen without it being warmer then than now?  If the present glacial
retreat in the Alps is only beginning to reveal artefacts demonstrating that the Europeans
during the MWP, as well as the Romans and earlier peoples, used passes that aren&#039;t completely
open now, how is that possible if it wasn&#039;t warmer during those periods than today?
How did the plains buffalo migrate several hundred miles northward?  How did the drought
that many alarmists predict will happen in the US Southwest as a result of another 1-2
degrees of warming happen during the MWP if it wasn&#039;t warmer than?  How did the Vikings
farm, with simple hand-tools, land in Greenland that is not presently arable with John Deere
tractors?  Why was the North Sea so full of drift ice in the 1200s as to make it more difficult
to navigate?  How did they maintain vineyards in England, growing the same kind of grapes
previously and subsequently grown in the south of France?  How did fig and olive trees grow
in Germany?  What motive would contemporary observers have for writing that these things
were happening because of changes to the climate, if that wasn&#039;t the case?

There&#039;s only one obvious answer to these questions and it is common to all of them - it was warmer
then than now.

Do the alarmists claim that these things didn&#039;t happen?  That the evidence was somehow faked?  Or
do they have an alternative theory as to why and how they happened?

Even if they managed to clean up all the technical holes in their models - like the inability to pick
up the present warming - don&#039;t they still have to answer this question?

To me it&#039;s like arguing that Washington didn&#039;t in fact cross the Delaware with his troops, without
explaining precisely how he ended up on the other side...]]></description>
		<content:encoded><![CDATA[<p>I still say that we&#8217;re putting the tail before the dog with the proxy<br />
data.  The question isn&#8217;t whether to believe tree ring widths or tree lines, but<br />
whether one can genuinely choose to believe the models using proxy data without<br />
coming up with an alternative explanation for the mountains of physical evidence.<br />
If the tree line was higher around the world than it is today &#8211; by 100-300 meters -<br />
how could that happen without it being warmer then than now?  If the present glacial<br />
retreat in the Alps is only beginning to reveal artefacts demonstrating that the Europeans<br />
during the MWP, as well as the Romans and earlier peoples, used passes that aren&#8217;t completely<br />
open now, how is that possible if it wasn&#8217;t warmer during those periods than today?<br />
How did the plains buffalo migrate several hundred miles northward?  How did the drought<br />
that many alarmists predict will happen in the US Southwest as a result of another 1-2<br />
degrees of warming happen during the MWP if it wasn&#8217;t warmer than?  How did the Vikings<br />
farm, with simple hand-tools, land in Greenland that is not presently arable with John Deere<br />
tractors?  Why was the North Sea so full of drift ice in the 1200s as to make it more difficult<br />
to navigate?  How did they maintain vineyards in England, growing the same kind of grapes<br />
previously and subsequently grown in the south of France?  How did fig and olive trees grow<br />
in Germany?  What motive would contemporary observers have for writing that these things<br />
were happening because of changes to the climate, if that wasn&#8217;t the case?</p>
<p>There&#8217;s only one obvious answer to these questions and it is common to all of them &#8211; it was warmer<br />
then than now.</p>
<p>Do the alarmists claim that these things didn&#8217;t happen?  That the evidence was somehow faked?  Or<br />
do they have an alternative theory as to why and how they happened?</p>
<p>Even if they managed to clean up all the technical holes in their models &#8211; like the inability to pick<br />
up the present warming &#8211; don&#8217;t they still have to answer this question?</p>
<p>To me it&#8217;s like arguing that Washington didn&#8217;t in fact cross the Delaware with his troops, without<br />
explaining precisely how he ended up on the other side&#8230;</p>
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		<title>By: Errors in IPCC climate science &#187; Blog Archive &#187; Wegman on &#8220;Dueling Weblogs&#8221; and Information Asymmetry</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32158</link>
		<dc:creator><![CDATA[Errors in IPCC climate science &#187; Blog Archive &#187; Wegman on &#8220;Dueling Weblogs&#8221; and Information Asymmetry]]></dc:creator>
		<pubDate>Sun, 06 Aug 2006 17:29:43 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32158</guid>
		<description><![CDATA[[...] The scientific journals have not acted in accordance with the ethical responsibilities of the scientific method. Instead, some have behaved in a highly partisan fashion, refusing to compel disclosure of data and methodology from the authors of the multiproxy studies, refusing timely reply from both McIntyre and McKitrick to statements made by the Hockey Team that can only be described as seriously and wilfully misleading. In addition a few prominent journals have editorialised in highly personalized terms for the Hockey Team and especially Michael Mann and against McIntyre and McKitrick, refusing them the right of reply. (For example, I wrote about one such piece here ) [...]]]></description>
		<content:encoded><![CDATA[<p>[...] The scientific journals have not acted in accordance with the ethical responsibilities of the scientific method. Instead, some have behaved in a highly partisan fashion, refusing to compel disclosure of data and methodology from the authors of the multiproxy studies, refusing timely reply from both McIntyre and McKitrick to statements made by the Hockey Team that can only be described as seriously and wilfully misleading. In addition a few prominent journals have editorialised in highly personalized terms for the Hockey Team and especially Michael Mann and against McIntyre and McKitrick, refusing them the right of reply. (For example, I wrote about one such piece here ) [...]</p>
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		<title>By: beng</title>
		<link>http://climateaudit.org/2005/02/22/mann-and-the-hockey-stick/#comment-32157</link>
		<dc:creator><![CDATA[beng]]></dc:creator>
		<pubDate>Tue, 04 Jul 2006 20:22:54 +0000</pubDate>
		<guid isPermaLink="false">/?p=95#comment-32157</guid>
		<description><![CDATA[Some of these posts jive w/my own experience of yrs ago -- the same story of the decline of the weekly magazine Science News. The only articles remaining in it that aren&#039;t politised &amp; PCed are noncontroversial, like astronomy, cosmology, particles physics, etc.]]></description>
		<content:encoded><![CDATA[<p>Some of these posts jive w/my own experience of yrs ago &#8212; the same story of the decline of the weekly magazine Science News. The only articles remaining in it that aren&#8217;t politised &amp; PCed are noncontroversial, like astronomy, cosmology, particles physics, etc.</p>
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