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Authors: Fiorani, L.* 
Colao, F.* 
Palucci, A.* 
Poreh, D.* 
Giudice, G.* 
Aiuppa, A.* 
Title: First-time lidar measurement of water vapor flux in a volcanic plume
Issue Date: 2011
Series/Report no.: /284(2011)
DOI: 10.1016/j.optcom.2010.10.082
Keywords: Lidar
Volcanic plume
Water vapor
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.01. Geochemical exploration 
04. Solid Earth::04.08. Volcanology::04.08.01. Gases 
04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring 
Abstract: The CO2 laser-based lidar ATLAS has been used to study the Stromboli volcano plume. ATLAS measured water vapor concentration in cross-sections of the plume and wind speed at the crater. Water vapor concentration and wind speed were retrieved by differential absorption lidar and correlation technique, respectively. Lidar returns were obtained up to a range of 3 km. The spatial resolution was 15 mand the temporal resolution was 20 s. By combining these measurements, the water vapor flux in the Stromboli volcano plume was found. To our knowledge, it is the first time that lidar retrieves water vapor concentrations in a volcanic plume.
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