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Aerosol properties of the Eyjafjallajökull ash derived from sun photometer and satellite observations over the Iberian Peninsula

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10.1016/j.atmosenv.2011.09.072
 
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hdl:2117/16090

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de Frutos, A.M.
Clarisse, L.
González Castanedo, Y.
Baldasano Recio, José MaríaMés informacióMés informacióMés informació
Wagner, F.
Estelles, Victor
Obregón, M.A.
Lyamani, H.
Toledano, C.
Bennouna, Y
Cachorro, V.
de Galisteo, O.J.P.
Stohl, A.
Stebel, K.
Kristiansen, N.I.
Olmo, F. J.
Document typeArticle
Defense date2012-03-01
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The Eyjafjallajökull ash that crossed over Spain and Portugal on 6e12 May 2010 has been monitored by a set of operational sun photometer sites within AERONET-RIMA and satellite sensors. The sun photometer observations (aerosol optical depth, coarse mode concentrations) and ash products from IASI and SEVIRI satellite sensors, together with FLEXPART simulations of particle transport, allow identifying the volcanic aerosols. The aerosol columnar properties derived from inversions were investigated, indicating specific properties, especially regarding the absorption. The single scattering albedo was high (0.95 at 440 nm) and nearly wavelength independent, although with slight decrease with wavelength. Other parameters, like the fine mode fraction of the volume size distributions (0.20e0.80) or the portion of spherical particles (15e90%), were very variable among the sites and indicated that the various ash clouds were inhomogeneous with respect to particle size and shape.
CitationToledano, C. [et al.]. Aerosol properties of the Eyjafjallajökull ash derived from sun photometer and satellite observations over the Iberian Peninsula. "Atmospheric environment", 01 Març 2012, vol. 48, núm. March, p. 22-32. 
URIhttp://hdl.handle.net/2117/16090
DOI10.1016/j.atmosenv.2011.09.072
ISSN1352-2310
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  • Departament de Projectes d'Enginyeria (fins octubre 2015) - Articles de revista [159]
  • MTA - Modelització i Tecnologia Ambiental - Articles de revista [82]
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