Research reveals how volcanic eruptions affect El Niño

El Niño events––major warmings of the tropical Pacific Ocean occurring every two to seven years—have significant environmental and societal impacts in North and South America and other parts of the world. Previous research has shown volcanic eruptions affect El Niño–Southern Oscillation cycles but the mechanisms of that connection have not been clear. A new study published in Science Advances co-authored by University of Hawai’i at Mānoa atmospheric scientist Christina Karamperidou suggests a new explanation for how this response might happen.

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