Category Archives: Paleoclimatology

Validity of “A Reconstruction of Regional and Global Temperature for the Past 11,300 Years”

Posted on March 11, 2013 by

It seems that Marcott et al isn’t all that it is cracked up to be. Dr. Easterbrook takes a good hard look at the paper. Guest post by Dr. Don J. Easterbrook (Note: Because of the far-reaching implications of the … Continue reading →

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Posted in Marcott et al proxy paper, Paleoclimatology | Tagged , , , | 97 Comments

Marcott et al claim of ‘unprecedented’ warming compared to GISP ice core data

Posted on March 8, 2013 by

The very first sentence of the Marcott et al (which is getting heavy press) abstract says: Surface temperature reconstructions of the past 1500 years suggest that recent warming is unprecedented in that time. Okay, let’s have a look at the … Continue reading →

Posted in Marcott et al proxy paper, Paleoclimatology | Tagged , , , , | 116 Comments

Global warming is epic, long-term study says

Posted on March 8, 2013 by

Image Credit: Carbon Dioxide Information Analysis Center From CNN with comments below by WUWT regular Just The Facts: Global warming has propelled Earth’s climate from one of its coldest decades since the last ice age to one of its hottest … Continue reading →

Posted in Alarmism, Paleoclimatology | Tagged , , , , , | 102 Comments

Another hockey stick – this one billed as ‘scarier’ than Mann’s

Posted on March 7, 2013 by

I had to chuckle at the cacophony of Twitfests going on today over this new study from Marcott et al. I especially liked the Mother Jones headline being Tweeted: “The Scariest Climate Change Graph Just Got Scarier”. It rather reminds … Continue reading →

Posted in Paleoclimatology | Tagged , , | 162 Comments

Study suggests ‘snowball Earth’ was real and was reversed by ‘An ultra-high carbon dioxide atmosphere’

Posted on February 28, 2013 by

It makes you wonder what created all that CO2 millions of years ago. From Louisiana State University LSU researchers find new information about ‘Snowball Earth’ period It is rather difficult to imagine, but approximately 635 million years ago, ice may … Continue reading →

Posted in Paleoclimatology | Tagged , , , , | 162 Comments

Crowdsourcing the WUWT Paleoclimate Reference Page

Posted on February 23, 2013 by

Image Credit: Jo Nova – David Lappi – GISP2 Your help is needed in building the new WUWT Paleoclimate Reference Page. Below I’ve posted all of the credible 3rd party paleoclimate graphs I’ve compiled thus far, but I am sure … Continue reading →

Posted in IPCC, Little Ice Age, Paleoclimatology | Tagged , , , , , , | 170 Comments

First complete ice core record of last interglacial period shows the climate of Greenland to be significantly warmer than today

Posted on January 24, 2013 by

Study: ‘ Greenland ice sheet is not as sensitive to temperature increases and to ice melting and running out to sea in warm climate periods ‘. From the University of Copenhagen Greenland ice cores reveal warm climate of the past … Continue reading →

Posted in Greenland ice sheet, Paleoclimatology | Tagged , , , , , , , | 124 Comments

Paleo sea level and CO2

Posted on January 3, 2013 by

From the National Oceanography Centre, Southampton (UK) New study documents the natural relationship between CO2 concentrations and sea level By comparing reconstructions of atmospheric CO2 concentrations and sea level over the past 40 million years, researchers based at the National … Continue reading →

Posted in Carbon dioxide, Paleoclimatology, Sea level | Tagged | 97 Comments

Erratic Environment May Be Key to Human Evolution

Posted on December 26, 2012 by

     Versus      Image Credit: Wikipedia                                 Image Credit: Anne Knock From Live Science: At Olduvai Gorge, where excavations helped to confirm Africa was the cradle of humanity, scientists now find the landscape once fluctuated rapidly, likely guiding early human … Continue reading →

Posted in Climate_change, Environment, Paleoclimatology, Rainfall | Tagged , , , | 62 Comments

A Brief History of Atmospheric Carbon Dioxide Record-Breaking

Posted on December 7, 2012 by

Guest Post by David Middleton The World Meteorological Organization (Why do I always think of Team America: World Police whenever “World” and “Organization” appear in the same title?) recently announced that atmospheric greenhouse gases had once again set a new … Continue reading →

Posted in Alarmism, Carbon dioxide, Climate sensitivity, Consensus, Current News, Paleoclimatology, Temperature, United Nations | Tagged , , | 84 Comments

The Atlantic Magazine’s ’5 Charts About Climate Change That Should Have You Very, Very Worried’… Worried about scientific illiteracy.

Posted on November 28, 2012 by

Guest post by David Middleton I ran into this gem on Real Clear Energy this morning… The article cites terrifying new reports commissioned by the World Bank and the CIA and then launches into a graphical cornucopia of nonsense. The … Continue reading →

Posted in Alarmism, Carbon dioxide, Climate Craziness of the Week, Climate FAIL, Climate_change, Current News, Disaster, Drought, Environment, extreme weather, Fun_stuff, Greenland ice sheet, Humor, media, Paleoclimatology, Tabloid Climatology, Wildfires | Tagged , , , , , , | 88 Comments

Dendros stick it to the Mann

Posted on November 25, 2012 by

UPDATE3: professor Rob Wilson leaves some scathing comments about the Mann paper. See below. UPDATE2: There’s been some additional discussion on the dendro listserver, and it seems quite clear now that the scientists in the dendrochronology field don’t think much … Continue reading →

Posted in Michael E. Mann, Paleoclimatology | Tagged , | 180 Comments

New paper suggests that CO2 ‘…could prove to be our salvation from the next ice age’

Posted on November 8, 2012 by

From the University of Gothenburg , another head exploder for Joe Romm and company. Carbon dioxide – our salvation from a future ice age? Mankind’s emissions of fossil carbon and the resulting increase in temperature could prove to be our … Continue reading →

Posted in Carbon dioxide, Paleoclimatology | Tagged , , , , | 86 Comments

More Tabloid Climatology – now ‘extreme weather’ killed the Mayans

Posted on November 8, 2012 by

From the University of California – Davis  and the “seek and ye shall find” department, a stunning example of Tabloid Climatology™ trying to link “extreme weather” with the Mayan civilization collapse. They did get one thing right though with this … Continue reading →

Posted in extreme weather, Paleoclimatology, Tabloid Climatology | Tagged , , , | 84 Comments

‘Paleotempestology’ – the new Mann science

Posted on November 8, 2012 by

I missed this announcement yesterday, but when I saw the word “paleotempestology” today, I immediately thought of Dr. Michael Mann, mainly because he throws tempests and everybody else studies them as examples of scientific silliness aka Tabloid Climatology™. Sure enough, … Continue reading →

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

Claim: Trigger for Earth’s last big freeze identified

Posted on November 5, 2012 by

From the University of Massachusetts at Amherst AMHERST, Mass. – For more than 30 years, climate scientists have debated whether flood waters from melting of the enormous Laurentide Ice Sheet, which ushered in the last major cold episode on Earth … Continue reading →

Posted in Modeling, Paleoclimatology | Tagged , , , , , | 90 Comments

New paper from Markonis and Koutsoyiannis shows orbital forcings signal in proxy and instrumental records

Posted on November 4, 2012 by

Climatic Variability Over Time Scales Spanning Nine Orders of Magnitude: Connecting Milankovitch Cycles with Hurst–Kolmogorov Dynamics Yannis Markonis • Demetris Koutsoyiannis Received: 9 November 2011 / Accepted: 15 October 2012 DOI 10.1007/s10712-012-9208-9 Abstract We overview studies of the natural variability … Continue reading →

Posted in Paleoclimatology, Proxies | Tagged , | 116 Comments

Frankenstorm-itis: Five degrees of Separation from Reality and Eleventy Gazillion Joules Under the Sea

Posted on November 3, 2012 by

Guest post by David Middleton This is a sort of sequel to my most recent guest post.   Any and all sarcasm is purely intentional. I ran across this really bizarre blog post from “The Energy Collective” on Real Clear Energy… … Continue reading →

Posted in Ridiculae, hurricanes, Oceans, Paleoclimatology, Sea Surface Temperature, Alarmism, Satire, Humor, Little Ice Age, extreme weather | 80 Comments

Hurricane Sandy’s ‘Unprecedented’ Storm Surge

Posted on November 1, 2012 by

Guest post by David Middleton Funny thing… Hurricane Sandy’s unprecedented storm surge was likely surpassed in the New England hurricanes of 1635 and 1638. From 1635 through 1954, New England was hit by at least five hurricanes producing greater than … Continue reading →

Posted in flooding, hurricanes, Paleoclimatology | Tagged , , | 114 Comments

McIntyre’s triumph over Gergis, Karoly, and Mann

Posted on October 31, 2012 by

I’m a bit late in covering this due to other issues of interest taking precedence, but I want to make sure this is widely known. We’ve covered the issue of the Gergis et al paleoclimatology paper this past summer, as … Continue reading →

Posted in Paleoclimatology, FOI, Gergis et al | Tagged , , , , , | 94 Comments