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Identification of Aerosol Sources in Siberia and Study of Aerosol Transport at Regional Scale by Airborne and Space-Borne Lidar Measurement

Abstract : Airborne lidar measurements were carried out over Siberia in July 2013 and June 2017. Aerosol optical properties are derived using the Lagrangian FLEXible PARTicle dispersion model (FLEXPART) simulations and Moderate Resolution Imaging Spectrometer (MODIS) AOD. Comparison with Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) aerosol products is used to validate the CALIOP aerosol type identification above Siberia. Two case studies are discussed: a mixture of dust and pollution from Northern Kazakhstan and smoke plumes from forest fires. Comparisons with the CALIOP backscatter ratio show that CALIOP algorithm may overestimate the LR for a dusty mixture if not constrained by an independent AOD measurement.
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Submitted on : Thursday, December 3, 2020 - 1:45:58 PM
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Antonin Zabukovec, Gérard Ancellet, Jacques Pelon, Iogannes Penner, Grigorii Kokhanenko, et al.. Identification of Aerosol Sources in Siberia and Study of Aerosol Transport at Regional Scale by Airborne and Space-Borne Lidar Measurement. EPJ Web of Conferences, EDP Sciences, 2020, 237, 02014 (4 p.). ⟨10.1051/epjconf/202023702014⟩. ⟨hal-02399661v2⟩

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