For GSS Climate Change chapter 7. Excerpt: A new paper published in The Quarterly Journal of the Royal
Meteorological Society fills in the gaps in the UK Met Office HadCRUT4
surface temperature data set, and finds that the global surface warming
since 1997 has happened more than twice as fast as the HadCRUT4
estimate. [see short video summarizing the study's approach and results]
...HadCRUT4 missing accelerated Arctic warming, especially since 1997.
...NASA data fails to include corrections for a change in the way sea
surface temperatures are measured - a challenging problem that has so
far only been addressed by the Met Office. The Berkeley Earth Surface
Temperature (BEST) project used a similar approach as NASA, but with a
statistical method known as "kriging" to fill in the gaps by
interpolating and extrapolating with existing measurements. However,
BEST only applied this method to temperatures over land, not oceans.... http://www.theguardian.com/environment/climate-consensus-97-per-cent/2013/nov/13/global-warming-underestimated-by-half. John Abraham and Dana Nuccitelli, The Guardian. |
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