Nature - Once Again, Climate Scientists Debunk Global Warming "Pause"
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For years, the idea of a hiatus, or a "pause" in global warming between 1998 and 2012, was used by climate change skeptics as evidence that the earth wasn't actually getting that much hotter. This was despite a significant body of science showing that the data underpinning the doubters' argument was flawed and that it was unlikely that any meaningful hiatus had occurred.
A new analysis in the journal Nature took a comprehensive look at what had been published on both sides of the issue. It found that a number of inconsistencies among studies proposing a hiatus—including variations in how the term "hiatus" was defined—led to cascading confusion. The study also pointed to some lessons for communicating climate science in the future.
"It is easy to paint a controversial picture, but as often the devil is in the details," wrote the authors, who are scientists at the Institute for Atmospheric and Climate Science at ETH Zurich in Switzerland.
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espite the back and forth, the science is increasingly clear, they wrote: "Combined with stronger recent warming trends in newer datasets, we are now more confident than ever that human influence is dominant in long-term warming." One reason the hiatus meme was misleading: Its proponents defined the start of the hiatus as 1998, which was an El Niño year and therefore had unusually high temperatures. In addition, some researchers compared observed temperatures to climate change models that are relatively accurate for long-term projects but less so when it comes to shorter periods, like the 14 years from 1998 to 2012. Shorter measurements can be distorted by natural variation, camouflaging the underlying impacts of anthropogenic climate change.
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https://insideclimatenews.org/news/04052017/global-warming-hiatus-debunked-climate-science