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Published online 20 November 2003 | Nature | doi:10.1038/news031117-4
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Volcanoes kick-start El Niño
Eruptions make natural climate swings twice as likely.
El Niño - the recurrent climate swing that brings flood, fire and famine - can be triggered by volcanic eruptions, according to a new report.
Climate and eruption records dating back to the seventeenth century suggest that a large eruption can double the likelihood of an El Niño event the following winter1.
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