Daily Archives: December 11, 2013

CO2 Residence Times, Take Two

Guest essay by Joe Born In a recent post Christopher Monckton identified me as a proponent of the following proposition: The observed decay of bomb-generated atmospheric-carbon-14 concentration does not tell us how fast elevated atmospheric carbon-dioxide levels would subside if … Continue reading

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Posted in Carbon dioxide | Tagged , | 209 Comments

At AGU, NASA says CFC reduction is not shrinking the ozone hole – yet

NASA Reveals New Results From Inside the Ozone Hole  – Dec. 11, 2013 NASA scientists have revealed the inner workings of the ozone hole that forms annually over Antarctica and found that declining chlorine in the stratosphere has not yet … Continue reading

Posted in AGU 2013, CFC's, Ozone | Tagged , , , , , | 176 Comments

For discussion – the tornado “hockey stick”

I’m caught between sessions but wanted to post this. From a presentation at AGU that I couldn’t attend. This from SciAm: James Elsner at Florida State University has a killer curve, and lots of caveats. The curve indicates that tornadoes … Continue reading

Posted in AGU 2013, tornadoes, Uncategorized, Weather | Tagged , , , , | 78 Comments

More on Trenberth and Fasullo (2013) “An Apparent Hiatus in Global Warming?”

We discussed the Trenberth and Fasullo (2013) paper “An Apparent Hiatus in Global Warming?” in the recent post Trenberth and Fasullo Try to Keep the Fantasy Alive. Since then, Dana Nuccitelli published a post at TheGuardian—cross posted at SkepticalScience—extolling the … Continue reading

Posted in ENSO, Global warming, Hiatus in Global Warming, Ocean Heat Content, Trenberth's missing heats | 60 Comments

Seen at AGU 2013

From Gavin, who was being a bit cheeky. Or perhaps given the location, had passed a tippling point.

Posted in AGU 2013, Humor, Satire | Tagged , | 39 Comments