Exploiting ground-based optical sensing technologies for volcanic gas surveillance

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C. Oppenheimer
A. J. S. McGonigle

Abstract

Measurements of volcanic gas composition and flux are crucial to probing and understanding a range of magmatic,
hydrothermal and atmospheric interactions. The value of optical remote sensing methods has been recognised in this field for more than thirty years but several recent developments promise a new era of volcanic gas surveillance. This could see much higher time- and space-resolved data-sets, sustained at individual volcanoes
even during eruptive episodes. We provide here an overview of these optical methods and their application to ground-based volcano monitoring, covering passive and active measurements in the ultraviolet and infrared spectral regions. We hope thereby to promote the use of such devices, and to stimulate development of new optical
techniques for volcanological research and monitoring.

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How to Cite
1.
Oppenheimer C, McGonigle AJS. Exploiting ground-based optical sensing technologies for volcanic gas surveillance. Ann. Geophys. [Internet]. 2004Dec.25 [cited 2021Oct.24];47(4). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3353
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