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Title: Profiling of fine and coarse particle mass: Case studies of Saharan dust and Eyjafjallajökull/Grimsvötn volcanic plumes
Authors: Ansmann, A.Seifert, P.Tesche, M.Wandinger, U.
Publishers Version: https://doi.org/10.5194/acp-12-9399-2012
Issue Date: 2012
Published in: Atmospheric Chemistry and Physics, Volume 12, Issue 20, Page 9399-9415
Publisher: München : European Geopyhsical Union
Abstract: The polarization lidar photometer networking (POLIPHON) method introduced to separate coarse-mode and fine-mode particle properties of Eyjafjallajökull volcanic aerosols in 2010 is extended to cover Saharan dust events as well. Furthermore, new volcanic dust observations performed after the Grimsvötn volcanic eruptions in 2011 are presented. The retrieval of particle mass concentrations requires mass-specific extinction coefficients. Therefore, a review of recently published mass-specific extinction coefficients for Saharan dust and volcanic dust is given. Case studies of four different scenarios corroborate the applicability of the profiling technique: (a) Saharan dust outbreak to central Europe, (b) Saharan dust plume mixed with biomass-burning smoke over Cape Verde, and volcanic aerosol layers originating from (c) the Eyjafjallajökull eruptions in 2010 and (d) the Grimsvötn eruptions in 2011. Strong differences in the vertical aerosol layering, aerosol mixing, and optical properties are observed for the different volcanic events.
Keywords: aerosol property; atmospheric plume; biomass burning; concentration (composition); dust; extinction coefficient; mixing; particulate matter; photometer; volcanic aerosol
DDC: 550
License: CC BY 3.0 Unported
Link to License: https://creativecommons.org/licenses/by/3.0/
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