Field deployment of a man-portable stand-off laser-induced breakdown spectrometer: A preliminary report on the expedition to the Cumbre Vieja volcano (La Palma, Spain, 2021)

This paper reports on the expedition to the Cumbre Vieja volcano (Canary Islands, Spain) in November 2021 to assess stand-off laser-induced breakdown spectroscopy for real-time measurements of the lava streams from a safe point. The paper provides insight on the analytical approach to the problem, t...

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Published in:Spectrochimica acta. Part B: Atomic spectroscopy 2022-04, Vol.190, p.106391, Article 106391
Main Authors: Palanco, Santiago, Pérez-López, Raúl, Galindo-Jiménez, Inés, Bernal, Alberto, Aranda, Sergio, López-Escalante, María Cruz, Leinen, Dietmar, Mediato, Jose F., López-Gutiérrez, Julio, Ramos-Barrado, José R.
Format: Article
Language:English
Subjects:
Analytical methods
Data analysis
Data processing
Expeditions
Gusts
Information processing
Landslides & mudslides
Laser induced breakdown spectroscopy
Lasers
Lava
LIBS
Man-portable
Remote
Spectroscopy
Stand-off
Statistical methods
Volcanic eruption
Volcanoes
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Summary:This paper reports on the expedition to the Cumbre Vieja volcano (Canary Islands, Spain) in November 2021 to assess stand-off laser-induced breakdown spectroscopy for real-time measurements of the lava streams from a safe point. The paper provides insight on the analytical approach to the problem, the rationale of the instrument design and construction carried out in three weeks, the experience with the new-born instrument at the volcano and the preliminary results. Despite the subtle spectral differences among the samples and the signal variability induced by the strong wind gusts at site, a statistical approach to data processing such as PCA, made possible to extract sufficient information and provide a robust classification tool. [Display omitted] •Report on the 2021 scientific expedition to the Cumbre Vieja volcano eruption.•Stand-off laser-induced breakdown spectroscopy is assessed for volcano monitoring.•A new instrument was purpose-designed, built and tested in-situ.•A rationale of the instrument development and testing is provided.•Preliminary qualitative and semiquantitative results are discussed.
ISSN:0584-8547
1873-3565
DOI:10.1016/j.sab.2022.106391