Tag Archives: Milankovitch Cycles

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

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

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Posted in Paleoclimatology, Proxies | Tagged , | 116 Comments

Claim: Five climate-forcing mechanisms govern 20,000 years of climate change

FOREWORD: I don’t agree with many of the claims made in this paper, particularly the retrograde tri-synodic Jupiter/Saturn cycle claims. This is not a peer reviewed paper. That said, I’m willing to allow discussion of it, so be skeptical of these … Continue reading

Posted in Cosmic rays, Modeling, Paleoclimatology, Solar | Tagged , , , , | 347 Comments

Commentary- Hansen Draft Paper: Paleoclimate Implications for Human-Made Climate Change

by Dr. Martin Hertzberg As the saying goes: “If all you have in your hand is a hammer, then everything looks like a nail”. It is hopeless to expect that Hansen could possibly analyze data objectively – all he has … Continue reading

Posted in Climate_change, Earth | Tagged , , , | 198 Comments

Normal Seasons of the Sun (GW Tiger)

Guest post by Ira Glickstein PhD. We had joy, we had fun, we had Seasons of the Sun. But the mountains we climbed were but whimsies of our minds. That song (apologies to Terry Jacks) could well be the theme … Continue reading

Posted in Aerosols, Carbon dioxide, Climate data, Climate_change, ENSO, feedbacks, NASA GISS, Solar, Uncategorized | Tagged , , , , | 152 Comments