Watts Up With That?

A new paper published today in Geophysical Research Letters describes how the oceans have warmed only 0.09°C over the last 55 years, from 1955-2010. Don’t let the red line fool you, read on.

Key Points

  • A strong positive linear trend in exists in world ocean heat content since 1955
  • One third of the observed warming occurs in the 700-2000 m layer of the ocean
  • The warming can only be explained by the increase in atmospheric GHGs

That last bullet point makes me cringe a bit, because I seriously doubt the resolution of this study down to hundredths of degrees seeing the sort of measurements mess we’ve seen in the surface network. Nonetheless, even if the resolution is low, there’s little trend.

At the Hockey Schtick they write about Trenberth’s missing heat:

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