Tag Archives: Holocene

Paper demonstrates solar activity was at a grand maximum in the late 20th century

Posted on September 13, 2012 by

Solar activity measured by isotope proxies revealed the end of 20th century was the highest activity in 1200 years A 2010 paper (that I somehow missed) was recently highlighted by the blog The Hockey Schtick and I thought it worth … Continue reading →

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Posted in Solar | Tagged , , , , , | 99 Comments

Wild Speculation on Climate and Polar Bears

Posted on July 27, 2012 by

By Dr. Pat Michaels at World Climate Report, reposted with permission. Here is another big one from PNAS. For those who don’t know, PNAS stands for the Proceedings of the National Academy of Sciences and it has gained the unfortunate … Continue reading →

Posted in Ridiculae | Tagged , , , , , , , , | 104 Comments

HH Lamb–“Climate: Present, Past & Future–Vol 2”–In Review–Part I

Posted on June 24, 2012 by

Guest post by Paul Homewood (reposted from his blog Not a lot of people know that please visit and  bookmark) Part 1 of a three part series. Hubert Lamb was one of the leading climatologists of his time, indeed described … Continue reading →

Posted in Book Review | Tagged , , , , , , , , | 66 Comments

A response to Dr. Paul Bain’s use of ‘denier’ in the scientific literature

Posted on June 22, 2012 by

Note: This will be the top post for a day or two, new posts will appear below this one. Readers may recall my original post, Nature’s ugly decision: ‘Deniers’ enters the scientific literature. followed by  Dr. Paul Bain Responds to … Continue reading →

Posted in Climate ugliness | Tagged , , , , , , , | 747 Comments

Study shows the Arctic was much colder while Earth was warmer during Eemian warm period

Posted on June 15, 2012 by

Warm Climate – Cold Arctic? The Eemian is a poor analogue for current climate change 12.06.2012/Kiel. The Eemian interglacial period that began some 125,000 years ago is often used as a model for contemporary climate change. In the international journal … Continue reading →

Posted in Arctic, Paleoclimatology | Tagged , , , , , , , | 46 Comments

The longest, most high resolution, most inconvenient paleoclimate data that hasn’t been published

Posted on June 12, 2012 by

Read on for a new Josh cartoon. What’s wrong with this image? Well if you are part of The Team (RealClimate and friends), it goes against everything you’ve been publishing. You want the Medieval Warm Period to disappear, and you … Continue reading →

Posted in Paleoclimatology | Tagged , , , , , , , , | 158 Comments

Mann’s secret hot sauce

Posted on June 5, 2012 by

Steve McIntyre finds yet another instance where Mann applies his special “secret hot sauce” to data, selling the sizzle, rather than the steak. It is another familiar tale of data holdback, gatekeeping, obfuscation, and cherry picking by The Team. One … Continue reading →

Posted in Michael E. Mann, Paleoclimatology | Tagged , , , , , , , | 52 Comments

Solar grand minima linked to cooling period in Europe

Posted on May 7, 2012 by

This is interesting. A quick cooling in Europe together with an increase in humidity and particularly in windiness was found to coincide with a long-term reduction in solar activity 2800 years ago during something called the “Homeric minimum”. The paper … Continue reading →

Posted in Paleoclimatology, Solar | Tagged , , , , , , , , | 118 Comments

Does CO2 correlate with temperature history? – A look at multiple timescales in the context of the Shakun et al. paper

Posted on April 11, 2012 by

Guest post by Michael Pacnik Especially in the context of recent discussion of the Shakun et al. paper, a look at other sources for temperature history versus CO2 can be helpful, examining timescales ranging from the past century to the … Continue reading →

Posted in Carbon dioxide, Paleoclimatology | Tagged , , , , , , , | 144 Comments

Dusting for Fingerprints in the Holocene

Posted on March 28, 2012 by

Guest Post by David Middleton Fingerprints are admissible evidence in criminal trials because of their uniqueness. The probability of two human beings having identical fingerprints is very low. Measurements of δ13C depletion have often been cited as anthropogenic “fingerprints,” proving … Continue reading →

Posted in Alarmism, Carbon dioxide, Paleoclimatology | Tagged , , , , , , , | 247 Comments

Ambler’s rebuttal to Mann in the Wall Street Journal

Posted on March 21, 2012 by

Guest post by Harold Ambler The reasons that climatologist Michael Mann is as successful as he is are multiple: 1. He told the United Nations something that it was dying to hear (he offered certainty when all else saw uncertainty) 2. … Continue reading →

Posted in Michael E. Mann | Tagged , , , , , , , | 63 Comments

The End Holocene, or How to Make Out Like a ‘Madoff’ Climate Change Insurer

Posted on March 16, 2012 by

Guest post by William F. McClenney This post is essentially an update to The Antithesis and On “Trap Speed”, the ACC and the SNR. The entire non-debate on anthropogenic climate effects has always struck me “as two fleas arguing over … Continue reading →

Posted in Paleoclimatology | Tagged , , , , , , , | 130 Comments

New Study Shows A Clear Millennial Solar Impact Throughout Holocene

Posted on March 4, 2012 by

Key Points High resolution SST and SSS reconstruction off Cape Hatteras Low salinity anomaly (3.5-5.2 ka): absence of Labrador current influence Millenial NAO pattern and solar variability Emphatic Blow To CO2 Warmists – New Study Shows A Clear Millennial Solar … Continue reading →

Posted in Solar | Tagged , , , , , , , | 68 Comments

Told ya so: Al Gore + Kilimanjaro = alarmist hype

Posted on January 20, 2012 by

I’ve said many times that the claims of receding glaciers on Mt. Kilimanjaro by Al Gore in his movie “An Inconvenient Truth, and by extension, the claims of Dr. Lonnie Thompson  are nothing more than alarmist hype. The cause, deforestation … Continue reading →

Posted in Al Gore, Alarmism | Tagged , , , , , , | 41 Comments

The behind the scenes bumbling of the hockey stick

Posted on January 16, 2012 by

Mann oh Mann. Tom Nelson continues to wade through the 5000+ Climategate 2 emails. I’ve selected a few he’s highlighted in the vein of behind the scenes discussion of Dr. Michael Mann’s infamous “hockey stick” which claimed we were living … Continue reading →

Posted in Climategate, Michael E. Mann, Paleoclimatology | Tagged , , , , , , , , , | 93 Comments

On The IPCC’s Undue Confidence In Coupled Ocean-Atmosphere Climate Models – A Summary Of Recent Posts

Posted on December 27, 2011 by

I’ve placed Bob’s Figure 21 at the top of this post, because it shows something quite interesting, note to caption in red, upper left. – Anthony Guest post by Bob Tisdale Figure 21 OVERVIEW This post is a summary of … Continue reading →

Posted in IPCC, Sea Surface Temperature | Tagged , , , , , , , | 100 Comments

Mann hockey stick co-author Bradley: “it may be that Mann et al simply don’t have the long-term trend right”

Posted on December 24, 2011 by

Tom Nelson spots a gem in the Climategate 2 emails: Hockey stick co-author Ray Bradley: “it may be that Mann et al simply don’t have the long-term trend right”; “I hedge my bets on whether there were any periods in … Continue reading →

Posted in Climategate | Tagged , , , , , , , | 149 Comments

Climategate 2.0 email – Mike Mann characterized as “crazy” over MWP and “serious enemy”

Posted on November 25, 2011 by

Edward Cook tells Phil Jones that Mike Mann is “serious enemy” and “vindictive”. Mike Mann had criticized his work. Apparently Mann went “a little crazy” over a paper showing the Medeival Warm Period exists. 4101.txt cc: k.briffa@uea.xx.xx date: Thu, 7 … Continue reading →

Posted in Climategate | Tagged , , , , , , , | 60 Comments

John L. Daly’s message to Mike Mann and The Team

Posted on November 23, 2011 by

Ric Werme writes in comments: When I realized the Climategate 2009 Emails went back many years, one of the first things that occurred to me was there might be Emails from John Daly. He died before I became involved in … Continue reading →

Posted in Climategate, Paleoclimatology | Tagged , , , , | 85 Comments

What’s Up Next?

Posted on July 1, 2011 by

Guest post by J Storrs Hall There are several ways to predict what the temperature trends of the next century will be like.  The standard method of prediction in science is to create a theory which embodies a model, test … Continue reading →

Posted in Paleoclimatology | Tagged , | 155 Comments