Messages in the Bubbles

Caudron, Corentin; Батист, М. Де; Jouve, Guillaume; Matte, Guillaume; Hermans, Thomas; Flores-Orozco, Adrián; Versteeg, W.; Ghazoui, Zakaria; Roux, Philippe; Vandemeulebrouck, Jean; Schmidt, Bernd

doi:10.1029/2020eo143499

Eos

2020

DOI: 10.1029/2020eo143499

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Messages in the Bubbles

Corentin Caudron¹,

М. Де Батист²,

Guillaume Jouve³

et al.

Abstract: Laacher See volcano is quiet, but gas bubbles rising through the overlying lake are a reminder of its potential hazard. Scientists took a close look at the bubbles to test eruption monitoring methods.

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2024

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Monitoring underwater volcano degassing using fiber-optic sensing

Caudron,

Miao,

Spica

et al. 2024

Sci Rep

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Continuous monitoring of volcanic gas emissions is crucial for understanding volcanic activity and potential eruptions. However, emissions of volcanic gases underwater are infrequently studied or quantified. This study explores the potential of Distributed Acoustic Sensing (DAS) technology to monitor underwater volcanic degassing. DAS converts fiber-optic cables into high-resolution vibration recording arrays, providing measurements at unprecedented spatio-temporal resolution. We conducted an experiment at Laacher See volcano in Germany, immersing a fiber-optic cable in the lake and interrogating it with a DAS system. We detected and analyzed numerous acoustic signals that we associated with bubble emissions in different lake areas. Three types of text-book bubbles exhibiting characteristic waveforms are all found from our detections, indicating different nucleation processes and bubble sizes. Using clustering algorithms, we classified bubble events into four distinct clusters based on their temporal and spectral characteristics. The temporal distribution of the events provided insights into the evolution of gas seepage patterns. This technology has the potential to revolutionize underwater degassing monitoring and provide valuable information for studying volcanic processes and estimating gas emissions. Furthermore, DAS can be applied to other applications, such as monitoring underwater carbon capture and storage operations or methane leaks associated with climate change.

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Monitoring underwater volcano degassing using fiber-optic sensing

Caudron,

Miao,

Spica

et al. 2024

Sci Rep

Self Cite

View full text Add to dashboard Cite

show abstract

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Messages in the Bubbles

Abstract: Laacher See volcano is quiet, but gas bubbles rising through the overlying lake are a reminder of its potential hazard. Scientists took a close look at the bubbles to test eruption monitoring methods.

Cited by 1 publication

References 4 publications

Monitoring underwater volcano degassing using fiber-optic sensing

Monitoring underwater volcano degassing using fiber-optic sensing

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