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Geosciences 2017, 7(3), 68; doi:10.3390/geosciences7030068

Ultraviolet Imaging of Volcanic Plumes: A New Paradigm in Volcanology

1
Department of Geography, University of Sheffield, Sheffield S10 2TN, UK
2
Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Palermo, Via Ugo La Malfa 153, 90146 Palermo, Italy
3
School of Geosciences, The University of Sydney, Sydney NSW 2006, Australia
4
Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Bologna, Via Donato Creti, 12, 40100 Bologna, Italy
5
DiSTeM, Università di Palermo, via Archirafi, 22, 90123 Palermo, Italy
6
Department of Electronic & Electrical Engineering, University of Sheffield, Sheffield S1 4DE, UK
*
Author to whom correspondence should be addressed.
Academic Editors: Pasquale Sellitto, Giuseppe Salerno and Jesús Martínez Frías
Received: 1 April 2017 / Revised: 23 July 2017 / Accepted: 1 August 2017 / Published: 8 August 2017
View Full-Text   |   Download PDF [2172 KB, uploaded 9 August 2017]   |  

Abstract

Ultraviolet imaging has been applied in volcanology over the last ten years or so. This provides considerably higher temporal and spatial resolution volcanic gas emission rate data than available previously, enabling the volcanology community to investigate a range of far faster plume degassing processes than achievable hitherto. To date, this has covered rapid oscillations in passive degassing through conduits and lava lakes, as well as puffing and explosions, facilitating exciting connections to be made for the first time between previously rather separate sub-disciplines of volcanology. Firstly, there has been corroboration between geophysical and degassing datasets at ≈1 Hz, expediting more holistic investigations of volcanic source-process behaviour. Secondly, there has been the combination of surface observations of gas release with fluid dynamic models (numerical, mathematical, and laboratory) for gas flow in conduits, in attempts to link subterranean driving flow processes to surface activity types. There has also been considerable research and development concerning the technique itself, covering error analysis and most recently the adaptation of smartphone sensors for this application, to deliver gas fluxes at a significantly lower instrumental price point than possible previously. At this decadal juncture in the application of UV imaging in volcanology, this article provides an overview of what has been achieved to date as well as a forward look to possible future research directions. View Full-Text
Keywords: ultraviolet cameras; volcanic plumes; interdisciplinary volcanology ultraviolet cameras; volcanic plumes; interdisciplinary volcanology
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MDPI and ACS Style

McGonigle, A.J.S.; Pering, T.D.; Wilkes, T.C.; Tamburello, G.; D’Aleo, R.; Bitetto, M.; Aiuppa, A.; Willmott, J.R. Ultraviolet Imaging of Volcanic Plumes: A New Paradigm in Volcanology. Geosciences 2017, 7, 68.

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