Industrial-era decline in Arctic methanesulfonic acid is offset by increased biogenic sulfate aerosol.

Proc Natl Acad Sci U S A · 2023 · PMC10666112 · PMID 37976260

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an increasing trendno p-value reported

More recent Greenland ice core observations show an increasing trend in MSA concentrations from 2000 to 2015, and this trend has been attributed to increasing primary productivity due to earlier Arctic sea ice retreat ( 12 ).

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