Unexpected anthropogenic emission decreases explain recent atmospheric mercury concentration declines.

Proc Natl Acad Sci U S A · 2024 · PMC11494326 · PMID 39378086

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a positive trendno p-value reported

2 J ) is the only NH region to show a positive trend, but this region only includes one measurement site (Little Fox Lake, Yukon, Canada).

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an overall trendno p-value reported

Using linear mixed effects modeling of observational data from 51 stations, we find negative Hg 0 trends in most NH regions, with an overall trend for 2005 to 2020 of −0.011 ± 0.006 ng m −3 y −1 (±2 SD).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.