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ACIDITY RECORD OF VOLCANIC ERUPTIONS

Volcanic eruptions may inject large volumes of acidic aerosols into the atmosphere, which are subsequently deposited in a range of environments. A detailed record of such acidic deposition is preserved in ice cores and may be studied using electrical conductivity measurements (ECM), pH measurements or chemical identification of particular ions. Individual eruptions may be identified, allowing the age of ice layers to be checked.

[See alsoglaciological volcanic index (gvi), sulfur dioxide, volcanic aerosols]

Douglas I.BennUniversity of St Andrews
http://dx.doi.org/10.4135/9781446247501.n48
10.4135/9781446247501.n48

BradleyRS (1999) Paleoclimatology: Reconstructing climates of the Quaternary,
2nd edition.
San Diego, CA: Academic Press.
KurbatovAV, ZielinskiGA, DunbarNW et al. (2006) A 12,000 year record of explosive volcanism in the Siple Dome Ice Core, West Antarctica. Journal of Geophysical Research111: D12307.
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