A new study suggests that largely uninvestigated high-latitude volcanoes might have a significant effect on global weather events.
A group of climate scientists and academics from the United States, Sweden and Norway found that volcanoes at higher-latitudes can have a major impact on climate and even trigger El Niño-like irregularities in the atmosphere. Using a climate model, the researchers discovered that large summer eruptions from high-latitude volcanoes cause hemispheric cooling and a weakening in the trade winds.
An aerial picture taken on September 14, 2014 shows fire and smoke rising from the Bardarbunga volcano in southeast Iceland.
( BERNARD MERIC/AFP/Getty Images)
The study is published in the Proceedings of the National Academy of Sciences and .
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, but the same attention has never been given to the high-latitude volcanoes further away from the equator.
Active volcanoes at higher latitudes were never thought to be highly impactful on a global scale. Sinking air in these regions make it more difficult for volcano emissions to penetrate high into the stratosphere or spread globally.
, as their emissions far surpass those from small, brief eruptions. Scientists involved in the study say that future modeling studies of this nature will shine a brighter light on the way high-latitude volcanoes can significantly alter climate patterns.
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