Journal
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
Volume 190, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sab.2022.106391
Keywords
LIBS; Laser-induced breakdown spectroscopy; Stand-off; Remote; Man-portable; Volcanic eruption; Lava
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Funding
- Spanish Unidad Militar de Emergencias (UME)
- I Plan Propio de Investigacion de la Universidad de Malaga [RD 1078/2021]
- Spanish Ministry of Science and Innovation (MICINN) [PID2020-113407RB-I00]
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This paper reports on a field expedition conducted in November 2021 at the Cumbre Vieja volcano in the Canary Islands, Spain. The study used stand-off laser-induced breakdown spectroscopy to measure real-time lava streams and employed a statistical approach for data processing to provide a robust classification tool.
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.
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