Tag Archives: Pleistocene

Paper: ‘Summer temperatures were about 10°C warmer than today, even though the concentration of atmospheric CO2 was similar’

From AAAS: From Russia with Lovely Data Climate and the atmospheric concentration of CO2 are closely linked. Brigham-Grette et al. (p. 1421, published online 9 May) present data from Lake El’gygytgyn, in northeast Arctic Russia, that shows how climate varied … Continue reading

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Posted in Paleoclimatology | Tagged , , , , , , , | 56 Comments

Multiple, Intense, Abrupt Late Pleistocene Warming And Cooling: Implications For Understanding The Cause Of Global Climate Change

Guest essay by Dr. Don J. Easterbrook Dept. of Geology, Western Washington University, Bellingham, WA The results of oxygen isotope measurements from ice cores in the Greenland and Antarctic ice sheets several decades ago stunned the scientific world. Among the … Continue reading

Posted in Paleoclimatology | Tagged , , , , , , , | 89 Comments

On certainty: Truth is the Daughter of Time

This comment from Dr. Robert Brown at Duke University is elevated from a comment to a full post for further discussion. Since we have a new paper (Shepherd et al) that is being touted in the media as “certain” using … Continue reading

Posted in Climate data, Uncertainty | Tagged , , , , , , , | 191 Comments

Onset of the Next Glaciation

Guest post by David Archibald Baby boomers like me have enjoyed the most benign period in human history. The superpower nuclear standoff gave us fifty years of relative peace, we had cheap energy from inherent over-supply of oil, grain supply … Continue reading

Posted in Glaciers, Global cooling | Tagged , , , | 335 Comments

The Intriguing Problem Of The Younger Dryas—What Does It Mean And What Caused It?

This is a follow up posting to Younger Dryas -The Rest of the Story! Guest post by Don J. Easterbrook Dept. of Geology, Western Washington University. The Younger Dryas was a period of rapid cooling in the late Pleistocene 12,800 … Continue reading

Posted in Paleoclimatology | Tagged , , , , , , , | 206 Comments