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he term � global warming hiatus� is a bit of a misnomer. It refers to a period of slower surface warming in the wake of the 1997-98 super El Ni�o compared to the previous decades. However, make no mistake, the globe�s average temperature has still risen over that period (including record heat in 2014) and temperatures now are the hottest they�ve been since recordkeeping began in the 1880s. So let�s call it what it really is: a slowdown, not a disappearance of global warming. The new findings show that even the concept of the slowdown could be overstated. �There is no slowdown in global warming,� Russell Vose, the head of the climate science division at the National Centers for Environmental Information (NCEI), said. �Or stated differently, the trend over the past decade and half is in line with the trend since 1950.� Vose helped author the new study, which uses new information about how data is collected at sea to reanalyze surface temperature records. The new analysis essentially doubles the rate of temperature rise since 1998. That puts it more in line with warming trends since the 1950s, though some researchers said there were still some periods of faster warming on record since the 1950s. Of course this discussion is all centered around changes in hundredths of degrees. War Of The Words: Climate Change Or Global Warming? �The fact that such small changes to the analysis make the difference between a hiatus or not merely underlines how fragile a concept it was in the first place,� Gavin Schmidt, the head of the NASA Goddard Institute for Space Studies, said.. |
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