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dc.contributor.authorManta, Fabioen_US
dc.contributor.authorEmadzadeh, Adelen_US
dc.contributor.authorTaisne, Benoiten_US
dc.identifier.citationManta, F., Emadzadeh, A., & Taisne, B. (2019). New insight Into a volcanic system : analogue investigation of bubble-driven deformation in an elastic conduit. Journal of Geophysical Research: Solid Earth, 124(11), 11274-11289. doi:10.1029/2019JB017665en_US
dc.description.abstractAnalogue and numerical simulations have been widely used to describe the mechanisms of bubble and slug ascent during volcanic eruptions as well as their formation and explosion mechanisms. Nevertheless, little is known about the mechanical interaction between the fluid and the surrounding medium. In this work, we report the results from analogue experiments designed to show how deformation of the conduit walls induced by the rising slugs is related to the radiation and propagation of seismic and geodetic signals. For the first time, we investigate the dynamics of bubbles in an elastic conduit unveiling the relationship between slugs and crustal strain accumulation around the conduit. Moreover, we discuss the retroactive effects of the deformed conduit wall on the dynamics of a rising slug, particularly, how the flow is affected, and the eventual implications on the intensity of the eruption. Our results show that the combination of an elastic conduit with a large volume of gas may lead to the development of a new type of slug, here defined as a “super slug,” characterized by tapering towards the tail and a much higher ascent velocity and inner pressure compared with ordinary slugs. This newly observed behavior could be linked to vigorous explosive events.en_US
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.relation.ispartofJournal of Geophysical Research: Solid Earthen_US
dc.rights© 2019 The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en_US
dc.titleNew insight Into a volcanic system : analogue investigation of bubble-driven deformation in an elastic conduiten_US
dc.typeJournal Articleen
dc.contributor.schoolAsian School of the Environmenten_US
dc.contributor.researchEarth Observatory of Singaporeen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsVolcanic Systemen_US
dc.subject.keywordsElastic Conduiten_US
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