Fast tracking of wind speed with a differential absorption LiDAR system: first results of an experimental campaign at Stromboli volcano

Stefano Parracino; Simone Santoro; Giovanni Maio; Marcello Nuvoli; Alessandro Aiuppa; Luca Fiorani

doi:10.1117/1.OE.56.4.044104

18 April 2017 Fast tracking of wind speed with a differential absorption LiDAR system: first results of an experimental campaign at Stromboli volcano

Stefano Parracino, Simone Santoro, Giovanni Maio, Marcello Nuvoli, Alessandro Aiuppa, Luca Fiorani

Author Affiliations +

Optical Engineering, Vol. 56, Issue 4, 044104 (April 2017). https://doi.org/10.1117/1.OE.56.4.044104

Abstract

Carbon dioxide (CO2) is considered a precursor gas of volcanic eruptions by volcanologists. Monitoring the anomalous release of this parameter, we can retrieve useful information for the mitigation of volcanic hazards, such as for air traffic security. From a dataset collected during the Stromboli volcano field campaign, an assessment of the wind speed, in both horizontal and vertical paths, performing a fast tracking of this parameter was retrieved. This was determined with a newly designed shot-per-shot differential absorption LiDAR system operated in the near-infrared spectral region due to the simultaneous reconstruction of CO2 concentrations and wind speeds, using the same sample of LiDAR returns. A correlation method was used for the wind speed retrieval in which the transport of the spatial inhomogeneities of the aerosol backscattering coefficient, along the optical path of the system, was analyzed.

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Stefano Parracino, Simone Santoro, Giovanni Maio, Marcello Nuvoli, Alessandro Aiuppa, and Luca Fiorani "Fast tracking of wind speed with a differential absorption LiDAR system: first results of an experimental campaign at Stromboli volcano," Optical Engineering 56(4), 044104 (18 April 2017). https://doi.org/10.1117/1.OE.56.4.044104

Received: 20 October 2016; Accepted: 4 April 2017; Published: 18 April 2017

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