Norman Wolmark's Perspective on the History of Breast Cancer Therapy
Dr. Wolmark gave a brief talk on this subject at an autumn 2009 conference sponsored by the diagnostic company Genomic Health. It was a real eye-opener, on the messy, lurching nature of progress at the...
View ArticleThe Newly-Discovered Jarvykortta Proxy: Relevant to the Tiljander Varve Series?
[Update 9 March 2010 -- I've rewritten "The Newly-Discovered JarvyKortta Proxy" making its points clearer and adding some graphs. What follows on this page is for completeness' sake.The updated post is...
View ArticleBlog Links: Mann '08 and the Korttajarvi (Tiljander) Varve Proxies
Compilation of links to blog posts and comments that address the controversy surrounding Mann et al (2008)'s use of the lakebed sediment record from Lake Korttajarvi, Finland in their reconstructions...
View ArticlePrimary Links: Mann '08 and the Korttajarvi (Tiljander) Proxies
I'm compiling links to webpages that address the controversy surrounding Mann et al (2008)'s use of the lakebed sediment record from Lake Korttajarvi, Finland in their reconstructions of global...
View ArticleOff-topic Thoughts Addressed to a Dendrologist Visiting Climate Audit
At about the 113rd comment, a dendrologist entered the thread of Miracles and Strip Bark Standardization at ClimateAudit.org. "CB" began"November 23rd, 2009 at 4:30 pmI have to agree with Rob Wilson -...
View ArticleStoat's First Debate on the Use of the Lake Korttajarvi (Tiljander) Proxies...
There has been a lot of digital ink spilled on the use of the Lake Korttajarvi varve series in the long-term temperature reconstructions that are at the heart of Mann et al’s 2008 PNAS paper....
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The Null Hypothesis
This post is a follow-on to discussions on the use by Mann et al (PNAS, 2008) of the Lake Korttajarvi varve proxies described by Tiljander et al (2003), at Lucia'sBlackboard and at Michael Tobis' Only...
View ArticleAnother Scientist Commends Mann et al. '08 -- Tiljander Notwithstanding
Last week, Roger Pielke Sr. headlined a critical email on his site, Guest Post By Chick Keller On The Content and Tone Of My Weblog. Dr. Keller is the retired Director of the Los Alamos National...
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The Newly-Discovered Jarvykortta Proxy -- II
This post is a rewrite of an essay I published on 28 Nov. 2009, The Newly-Discovered Jarvykortta Proxy: Relevant to the Tiljander Varve Series? It's been edited and reformatted for clarity. I assume...
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Ari Jokimäki Looks at the Tiljander Proxies
This post is a placeholder (29 June 2010). The immediate intent is to provide a link to two sites.This post was written on 29 June 2010; corrections and minor additions made on 7 July 2010 are in...
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Tiljander Proxies' Modest Effects on Mann08 Estimates... probably
Few things in life can be as rewarding as shouting "I was wrong!"[Edit 7/13/10: That is, "probably wrong in thinking that the Tiljander proxies make an oversized contribution to Mann08's paleoclimate...
View ArticleA Savings Account at the Paleo National Bank
Thanks to my town's Open Meeting Law, I'm able to follow local officials' actions pretty closely. Our Treasurer recently reported that, a few months ago, she switched the town's savings account to the...
View ArticleBackgrounder on Analysis of Freshwater Lakebed Varved Sediment Cores
Deep in the thread following the Climate Audit post The No-Dendro Illusion, "Ianl8888" made a series of remarks that provide valuable context to the 2003 Boreas paper by Mia Tiljander et al.His (or...
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Two views of Tiljander
On Aug. 4 at Collide-a-scape, Keith Kloor presented an e-mail interview of Gavin Schmidt, the NASA climate modeler and RealClimate.org blogger, Gavin's Perspective. It's a generally interesting read....
View ArticleMikeN weighs in on Mann08's use of the Tiljander proxies
One thing that I can't do is evaluate the MatLab code that Prof. Mann placed online when PNAS published Mann08 in September, 2008. I can't even make heads or tails of Steve McIntyre's "R"-based...
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Synopsis of some Tiljander-related arguments in a recent Climate Audit thread
This post is a placeholder that will hopefully be superseded by a more careful and thorough description of a discussion of the use of the four Lake Korttajarvi lakebed sediment series (the "Tiljander...
View ArticleUnthreaded post
This is a post for comments that don't fit anywhere else on the blog.Please be civil, etc.
View ArticlePart 2: Synopsis of some Tiljander-related arguments
This post is the continuation of a discussion on the Tiljander proxies that took place in the comments thread following the Aug. 1, 2010 Climate Audit post The No-Dendro Illusion. Part 1 is here. As...
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The Tiljander Data Series: Data and Graphs
I have compiled the information from the Lake Korttajarvi boreholevarved sediments record that was characterized in Tiljander03, and then used in the multiproxy paleoclimate reconstruction Mann08. The...
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A comment on M+W10 submitted to RealClimate.org
I submitted a comment to the RealClimate.org post Doing it yourselves (20 August 2010), as the author makes some interesting remarks on the intersection of McShayne and Wyner (2010) and the Tiljander...
View ArticleThe Tiljander Data Series Appear Again, This Time in a Sea-Level Study
At RealClimate.org, Stefan Rahmstorf has written "2000 Years of Sea Level" about a study published on June 20, 2011 in PNAS. Andrew Kemp and co-authors BP Horton, JP Donnelly, ME Mann, M Vermeer, and S...
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Voldemort's Question
Updated June 25 & 26, 2011 -- see end of postAre the Tiljander proxies calibratable to the instrumental temperature record, 1850-1995?Reader Alex Harvey copied his submission to RealClimate.org as...
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Pattern Recognition
Scientists pride themselves in the ability to tease informative patterns out of masses of data. And with good reason -- that skill (or aptitude) is one of the traits that leads to insight, and thus...
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Lightsum and Darksum are Calculated, not Measured
In last year's post The Tiljander Data Series: Data and Graphs, I explained that the four Tiljander data series were actually three: Darksum is calculated as (Thickness minus Lightsum).I've since...
View ArticleComment on the Substack post "Anomalies in Vote Counts and Their Effects on...
[Note: I originally wrote this as a Comment for the Substack post, but the comments section for that article is a train wreck. So I am putting it here, as a new post on this dormant blog, which I...
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