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Authors: Madonia, P.*
Parello, F.*
Pitarresi, D.*
Editors: Milburn, Trent
Title: A possible link between Sun's variability and volcanic activity
Publisher: Nova Science Publishers, Inc.
Issue Date: 2015
ISBN: 978-1-63643-308-6
Keywords: Climate
Solar Cycles
Sun's Variability
Volcanic activity
Abstract: Sun inconstancy has the ability to control global climate, that in turn acts as a trigger for volcanic activity. Looking for possible Sun-Earth connections we analysed the time distribution of eruptions of volcanoes located on the northern hemisphere, from the Caribbean Sea to the East Mediterranean Sea, with a particular detail on the most active Italian volcanoes. The compared analysis between sunspot and volcanic cycles suggested that volcanic eruptions are more frequent during minima of Sun activity, with about 3 eruptions out of 4 occurring at relative minima of the quasi-11 year Sun cycle. Not so evident are the long term (centennial time scale) relationships between Sun and volcanic system variability: since the former is controlled by much more complex mechanisms the analysis of correlations between eruptions and Sun activity cannot prescind from geodynamical discriminants, which play a fundamental role in driving magma migration toward the Earth’s surface.
Appears in Collections:05.07.01. Solar-terrestrial interaction
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