Alpine ice evidence of a three-fold increase in atmospheric iodine deposition since 1950 in Europe due to increasing oceanic emissions.

Proc Natl Acad Sci U S A · 2018 · PMC6275475 · PMID 30420500

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an increasing trendno p-value reported

From this analysis, we conclude ( SI Appendix ) that, even though part of the observed trend may be attributed to changing snow deposition conditions, the CDD record suggests an increasing trend in summer atmospheric iodine of at least a factor of 3 from 1950 to 1995.

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