In-conduit capture of sub-micron volcanic ash particles via turbophoresis and sintering

Jamie I. Farquharson (), Hugh Tuffen, Fabian B. Wadsworth, Jonathan M. Castro, Holly Unwin and C. Ian Schipper
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Jamie I. Farquharson: Université de Strasbourg
Hugh Tuffen: Lancaster University
Fabian B. Wadsworth: Durham University
Jonathan M. Castro: Johannes Gutenberg Universität
Holly Unwin: Lancaster University
C. Ian Schipper: Victoria University of Wellington

Nature Communications, 2022, vol. 13, issue 1, 1-11

Abstract: Abstract Ash emission in explosive silicic eruptions can have widespread impacts for human health, agriculture, infrastructure, and aviation. Estimates of the total grainsize distribution (TGSD) generated during explosive magma fragmentation underpins eruption models and ash dispersal forecasts. Conventionally, the TGSD constrained via erupted deposits is assumed to match the TGSD produced at explosive fragmentation. Here we present observations from within the vent of a recent rhyolitic eruption (Cordón Caulle, Chile, 2011–2012), demonstrating that fine (

Date: 2022
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DOI: 10.1038/s41467-022-32522-7

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