HEADLINE-GRABBING GLOBAL WARMING STUDY SUFFERS FROM A MAJOR MATH ERROR

• The media fawned over a recent global warming study that had a major math error, researchers found.
• It turns out, the math error made it appear as if oceans warmed more than previously thought.
• Major media outlets uncritically covered the study, sounding the alarm on global warming.

The recent headline-grabbing study that claimed global warming was heating the oceans up faster than expected suffers from a major math error, according to two researchers.

The study, which was published in a prestigious scientific journal at the end of October, put forward results suggesting global warming was much worse than previously believed. The media ate the results up.

Independent scientist Nic Lewis found the study had “apparently serious (but surely inadvertent) errors in the underlying calculations.” Lewis’ findings were quickly corroborated by another researcher.

Numerous media outlets uncritically highlighted the study’s findings. The Washington Post, for example, reported the work suggested “Earth could be set to warm even faster than predicted.”

The Post’s coverage of the “startling” climate study was echoed by The New York Times, which claimed the study suggested global warming “has been more closely in line with scientists’ worst-case scenarios.”

The BBC warned “[t]his could make it much more difficult to keep global warming within safe levels this century.”

The Atlantic Ocean is pictured, during an unusually warm autumn day, from the coastline at sunset in Biarritz, France October 24, 2017. REUTERS/Regis Duvignau.

However, Lewis found the new paper’s findings stemmed from a math error. Lewis said “a quick review of the first page of the paper was sufficient to raise doubts as to the accuracy of its results.”

“Just a few hours of analysis and calculations, based only on published information, was sufficient to uncover apparently serious (but surely inadvertent) errors in the underlying calculations,” Lewis wrote in a blog post published on climate scientist Judith Curry’s website.

Lewis found the study’s authors, led by Princeton University scientist Laure Resplandy, erred in calculating the linear trend of estimated ocean warming between 1991 and 2016. Lewis has also criticized climate model predictions, which generally over-predict warming.

Resplandy and her colleagues estimated ocean heat by measuring the volume of carbon dioxide and oxygen in the atmosphere. The results: the oceans took up 60 percent more heat than previously thought. The study only sent alarm bells ringing, especially in the wake of the United Nations’ latest climate assessment.

“The planet warmed more than we thought. It was hidden from us just because we didn’t sample it right. But it was there. It was in the ocean already,” Resplandy told The Post at the end of October.

After correcting for the error, however, Lewis found the paper’s ocean warming rate “is about average compared with the other estimates they showed, and below the average for...

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