Big embarrassment for Germany's top Warmists

Scratch off the Potsdam Institute For Climate Impact Research from the alarmist list. No kidding!

The European Institute For Climate and Energy has a new piece written by Raimund Leistenschneider that takes a look at two interesting papers dug up from 2003. I wonder if Rahmstorf and Schellnhuber are going to feign amnesia on this.

The paper by Prof Stefan Rahmstorf confirms that today’s temperatures are actually quite cool compared to temperatures earlier in the Holocene.

In a paper he authored: ”Timing of abrupt climate change: A precise clock“, Geophys. Res. Lett.. 30, Nr. 10, 2003, S. 1510, doi:10.1029/2003 GL017115, Ramhstorf examined the Dansgaard-Oeschger (DO events).

These events are rapid climate changes occurring 23 times during the last ice age between 110,000 and 23.000 BP and were reconstructed from the GISP-2-ice cores from Greenland.

On Rahmstorf’s paper, EIKE writes:

Easy to recognize, at least using the studies done by Rahmstorf, we are living in a comparably cold time today. During the MWP 1000 years ago, when the vikings were farming Greenland, it was 1°C warmer than today. During the Roman Optimum 2000 years ago, when Hannibal crossed the Alps with his elephants in the wintertime, it was even 2°C warmer than today. And during the Holocene climate optimum 3500 years ago it was about 3°C warmer than today. Since about 3200 years ago, there has been a cooling of about 2°C.

Meanwhile Prof. Hans Joachim Schellnhuber, Rahmstorf’s boss at the Potsdam Institute, was unable to discern any warming when examining a multitude of worldwide temperature records back in 2002 and 2003.

In a paper published in 2003, using their own studies, the authors concluded there had been no global warming over the last decades. (J.F. Eichner, E. Koscielny-Bunde, A. Bunde, S. Havlin, and H.-J. Schellnhuber: Power-law persistence and trends in the atmosphere, a detailed study of long temperature records, Phys. Rev. E 68 2003),

More HERE (See the original for links, graphics etc.)

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