Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Multiparametric Apparatus for Real-Time Observations of Volcanic Aerosol Optical and Microphysical Properties at Etna (Italy): Calibration Procedures and Measurement Tests

Matteo Manzo
ORCID logo ,
Gianpiero Aiesi
,
Antonella Boselli
* ,
Salvatore Consoli
,
Riccardo Damiano
ORCID logo ,
Guido Di Donfrancesco
,
Benedetto Saraceno
,
Simona Scollo
ORCID logo
Version 1 : Received: 27 January 2024 / Approved: 28 January 2024 / Online: 29 January 2024 (09:54:13 CET)

A peer-reviewed article of this Preprint also exists.

Manzo, M.; Aiesi, G.; Boselli, A.; Consoli, S.; Damiano, R.; Di Donfrancesco, G.; Saraceno, B.; Scollo, S. Upgraded Three-Wavelength Lidar for Real-Time Observations of Volcanic Aerosol Optical and Microphysical Properties at Etna (Italy): Calibration Procedures and Measurement Tests. Sensors 2024, 24, 1762. Manzo, M.; Aiesi, G.; Boselli, A.; Consoli, S.; Damiano, R.; Di Donfrancesco, G.; Saraceno, B.; Scollo, S. Upgraded Three-Wavelength Lidar for Real-Time Observations of Volcanic Aerosol Optical and Microphysical Properties at Etna (Italy): Calibration Procedures and Measurement Tests. Sensors 2024, 24, 1762.

Abstract

An innovative mobile Lidar device, developed to monitor volcanic plumes during explosive eruptions at Mt. Etna (Italy) and analyze the optical properties of volcanic particles was upgraded in October 2023 with the aim to improve volcanic plume retrievals. The new configuration of the lidar allows to obtain new data of both the optical and the microphysical properties of the atmospheric aerosol. In fact, after its upgrade, the lidar has the possibility to measure 3β, 2α and 2δ in a configuration defined as “state of the art lidar” where properties such as the particle size distribution and refractive index can be derived. During the lidar implementation we were able to to test the system performance through specific calibration measurements. In this work, the first measurement results are shown and compared with results obtained by other instruments aimed at proving the ability of the upgraded system to more precisely characterize the aerosol optical and microphysical properties.

Keywords

Lidar; Aerosol parameters; Calibration.

Subject

Environmental and Earth Sciences, Remote Sensing

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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