Embargo Watch

Keeping an eye on how scientific information embargoes affect news coverage

Minnesota Public Radio News breaks embargo on study of fresh water lake salinization

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The Proceedings of the National Academy of Sciences (PNAS) lifted the embargo early Monday on a study of fresh water lakes, after a news outlet broke the embargo.

From an email that out to reporters Monday about four hours before the scheduled 3 p.m. Eastern embargo:

PNAS is lifting the embargo on the following manuscript. All other manuscripts are under the scheduled embargo of Monday, April  10, 3 pm US ET.

  • Salinization of fresh water lakes

Using a dataset of long-term lake chloride concentrations from 371 freshwater lakes in North America, researchers found that lakes in the Midwest and Northeast regions that were surrounded by more than 1% of impervious land cover exhibited elevated chloride concentrations and an increased likelihood of long-term salinization, an effect likely linked to road-salt runoff, suggesting that in the future many North American lakes might be at risk of exceeding chloride concentration levels stipulated by the US Environmental Protection Agency.

The offending story was posted at Minnesota Public Radio News, PNAS tells Embargo Watch.

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Written by Ivan Oransky

April 13, 2017 at 3:00 pm

Posted in Uncategorized

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