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Continuing Problems with Paleoclimate Proxies

[h=3]Errors Matter #1: the no-PC Alternative[/h]Feb 11, 2005 – 5:27 PM
Mann et al. have responded to our criticism by claiming that the errors which we have identified “don’t matter” because they can “get” MBH-type results under several different methods, one of which is through not using any PCs. Ross and I previewed an initial reply to these arguments here and plan to issue a pdf […]
 
[h=3]Errors Matter #3: Preisendorfer’s Rule N[/h]Feb 13, 2005 – 2:36 PM
In the last two days, I’ve argued that it’s insufficient for Mann et al. to merely “get” a hockey stick shape some other way, but that they have to show that any such salvage reconstruction meets the representations and warranties of MBH98 as to reasonably even spatial sampling, robustness, statistical skill and proxy validity. I’ve […]
 
[h=3]Sci-Am: Mann and the Hockey Stick[/h]Feb 22, 2005 – 2:25 PM
“Hagiography” according to Wordnet, at Princeton University means “a biography that idealizes or idolizes the person (especially a person who is a saint)”. Now that you know this, try reading here this Scientific American article written by David Appell about Michael Mann, creator of the Hockey Stick. I’ve quite a strong stomach, but it’s difficult […]
 
[h=3]Spot the Hockey Stick! #11 : Ulrich Cubasch[/h]Mar 19, 2005 – 12:55 PM
In human behavior, when people have stated a position that they believe to be true, they are subsequently loath to admit error, even in the face of overwhelming evidence to the contrary. To be wrong, is in a sense, to sense shame or failure. But the fact is, we’re all wrong from time to time. […]
 
[h=3]National Post: Re-visiting the Stick[/h]Jun 17, 2005 – 6:49 AM
I have a lengthy op ed in today’s National Post go here summarizing some of the debate since publication of our 2005 articles. The article is on page FP19. Update: The link is now offline. Here is the text as I submitted it to National Post; it may differ a little, but not much.
 
Surface Detail said:
Why are you posting 14-year old bullsh*t blog posts?
Click to expand...

It’s the glory days, when the deniers ‘proved’ the hockey stick wrong (before the evidence became overwhelming) and predicted the earth was entering a ‘cooling’ phase and was in a ‘pause’, before the warming started accelerating.
 
Threegoofs said:
It’s the glory days, when the deniers ‘proved’ the hockey stick wrong (before the evidence became overwhelming) and predicted the earth was entering a ‘cooling’ phase and was in a ‘pause’, before the warming started accelerating.
Click to expand...

So many inaccuracies in one brief post. An accomplishment, really.
 
[h=3]Volkskrant: The Hockey Team Strikes Back[/h]Oct 29, 2005 – 3:05 PM
Martin van Calmthout (who boo’ed the award to Marcel Crok) has published a long article in today’s Volkskrant in Holland. I have enclosed a somewhat tidied machine-translation from altavista.com; I don’t speak Dutch and don’t vouch for anything. (update: Hans Erren edited a prior version and his version follows). The Dutch version follows the English […]
 
[h=3]Gore Scientific "Adviser" says that he has no "responsibility" for AIT errors[/h]Jan 13, 2008 – 10:46 PM
In earlier posts, we observed that Al Gore’s An Inconvenient Truth claimed that “Dr Thompson’s thermometer” confirmed Michael Mann’s hockey stick, but, when analysed, what Gore described as “Dr Thompson’s thermometer” merely proved to be Michael Mann’s hockey stick mis-identified. No wonder it resembled Mann’s hockey stick – or, to use the phrase more common […]
 
[h=3]Brandon’s ebook on the Hockey Stick[/h]Mar 15, 2015 – 8:03 AM
A couple of years ago, Brandon Shollenberger wrote up a lengthy review of Mann’s Hockey Stick Wars at Lucia’s. Brandon has fleshed out his review in an ebook here. Brandon summarized the book as follows: “there is a great deal of misinformation, and even disinformation, polluting the airwaves. One prime example was world renowned […]
 
[h=3]Prometheus on Climateaudit on Briffa MXD[/h]May 4, 2005 – 10:16 PM
Roger Pielke at Prometheus has some kind words for my comments on the IPCC "editing" of the Briffa MXD series in their spaghetti graph. Good for Chris Mooney and good for Climate Audit. Such close attention can help both the IPCC and NASA realize that people are paying attention to their use of information and […]
 
[h=3]UMass Magazine on Bradley[/h]Oct 14, 2005 – 2:33 PM
There’s another puff piece on Raymond Bradley in the U Mass magazine entitled Never Mind The Weather. The article reports, among other things, that: Bradley says he is sickened by the coordinated and well-financed campaign to discredit the data he and others like him are generating. If Bradley were asked to name people who were […]
 
[h=3]Millar et al: The Sierra Nevada MWP[/h]Mar 14, 2006 – 9:28 AM
Otto-Bliesner asked me how I would do a reconstruction. As I’ve said on other occasions, I said that I didn’t know. I’m really reluctant to just apple-pick some series but it’s prbably worthwhile showing that you can pick apples as well as cherries. More constructively, I think that there are some approaches that look better […]
 
[h=3]Alchemy or Science?[/h]Jul 10, 2006 – 8:45 PM
One of the examples of spurious regression mentioned in Phillips 1998, quoted by Eduardo Zorita at CPD and previously here by me, was taken from Hendry 1980, from an article entitled “Econometrics – Alchemy or Science?”. Hendry is a very eminent professor of economics and the article proved to be as interesting as its title. […]
 
[h=3]East Atlantic Storm-Days[/h]Jan 19, 2007 – 11:21 PM
On January 1, in a post entitled Two Curious Hurricane Graphs, I observed that the mean longitude of Atlantic storm measurements had migrated east and that the entire increase in Atlantic storm-days had occurred in the east Atlantic, illustrating the point with several graphics. To my knowledge, neither fact had ever been previously published. I […]
 
[h=2]Busted Hockey Sticks: 35 Non-Global Warming Papers Have Been Published In 2019[/h]By Kenneth Richard on 22. March 2019
[h=4]Could a transition in paleoclimate reconstruction be underway? More and more, scientists aren’t hiding statements or graphical depictions of the lack of modern warming or the much-warmer Holocene past.[/h]
Non-Hockey-Sticks-2019.jpg

A compilation of 35 papers from across the globe indicate that modern climate is not unusual, remarkable or unprecedented, and that large regions of the Earth were as warm or warmer than now when CO2 concentrations were much lower (260 to 350 ppm).
This development continues apace with the trends from the last two years, when 253 non-hockey stick papers were published. . . .


 
[h=3]Tonno et al., 2019[/h][h=6]“In North Europe, changes in early Holocene climate were rather intense, starting with low temperatures at the beginning of the period, followed by gradual warming, interrupted periodically by short cooling periods (Antonsson and Seppa¨ 2007). During the Holocene Thermal Maximum (HTM), the period from 8.0 to 4.0 cal ka BP, average temperatures in Northern Europe were approximately 2.5–3.5 C higher than today (Antonsson and Seppa¨ 2007; Heikkila¨ and Seppa¨ 2010; Ilvonen et al. 2016).”[/h]
Holocene-Cooling-Northern-Europe-Tonno-2019.jpg
 
[h=3]Replication Problems: Mannian Verification Stats[/h]Nov 25, 2008 – 9:06 PM
If anyone feels like sticking needles in their eyes, I’d appreciate assistance in trying to figure out Mannian verification statistics. Even when Mann posts up his code, replication is never easy since they never bothered to ensure that the frigging code works. Or maybe they checked to see that it didn’t work. UC’s first post […]
 
[h=3]Lest Sweetness Be Wasted on the Desert Air[/h]Feb 7, 2009 – 11:50 AM
Full many a gem of purest ray serene The dark unfathomed caves of ocean bear: Full many a flower is born to blush unseen, And waste its sweetness on the desert air. Thomas Gray (English Poet, 1716-1771) From time to time, we here at Climate Audit have the opportunity to draw attention to otherwise obscure […]
 
[h=3]Keith Briffa Responds[/h]Oct 1, 2009 – 10:47 AM
In spite of suffering a serious illness (which I understand to be a kidney problem), Keith Briffa has taken the time to comment on the Yamal situation. The comment should be read by interested readers. If Briffa or any of his associates wishes to post a thread here without any editorial control on my part, […]
 
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