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Nitrate deposition to surface snow at Summit, Greenland, following the 9 November 2000 solar proton event

Published in Journal of Geophysical Research: Atmospheres (2014)
Contributors: “...Spence, Harlan (author)...”

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2

Nitrate ion spikes in ice cores not suitable as proxies for solar proton events

Published in Journal of Geophysical Research: Atmospheres (2016)
Contributors: “...Spence, Harlan (author)...”

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Article in Journal/Newspaper