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View Diary: Global Warming Since 1997 Underestimated by Half (11 comments)

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  •  2002 delta C = 2012 delta C (0+ / 0-)

    The anomaly from the base point is the same between those two data points. That's the "pause."

    There's an upwards trend if you fit all the satellite data from the 1979.  There has pretty much always been an upward trend if you fit all the data and still is even with the flat data in the last ten years.

    •  WTF, that's not a pause in warming (5+ / 0-)

      That means that the rate of surface warming has not been accelerating.

      From the article at Realclimate:

      The trend of 0.12 °C is at first surprising, because one would have perhaps expected that the trend after gap filling has a value close to the GISS data, i.e. 0.08 °C per decade. Cowtan and Way also investigated that difference. It is due to the fact that NASA has not yet implemented an improvement of sea surface temperature data which was introduced last year in the HadCRUT data (that was the transition from the HadSST2 the HadSST3 data – the details can be found e.g. here and here). The authors explain this in more detail in their extensive background material. Applying the correction of ocean temperatures to the NASA data, their trend becomes 0.10 °C per decade, very close to the new optimal reconstruction.

      look for my eSci diary series Thursday evening.

      by FishOutofWater on Wed Nov 13, 2013 at 02:46:44 PM PST

      [ Parent ]

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