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Predicting the mineral composition of dust aerosols: Insights from elemental composition measured at the Izaña Observatory
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dc.contributor.authorPérez García-Pando, Carloses_ES
dc.contributor.authorMiller, Ron L.es_ES
dc.contributor.authorPerlwitz, Jan P.es_ES
dc.contributor.authorRodríguez González, Sergioes_ES
dc.contributor.authorProspero, Joseph M.es_ES
dc.date.accessioned2020-04-22T10:27:36Z-
dc.date.available2020-04-22T10:27:36Z-
dc.date.issued2016-
dc.identifier.citationGeophysical Research Letters. 2016, 43(19), p. 10520-10529es_ES
dc.identifier.issn0094-8276-
dc.identifier.issn1944-8007-
dc.identifier.urihttp://hdl.handle.net/20.500.11765/11650-
dc.description.abstractRegional variations of dust mineral composition are fundamental to climate impacts but generally neglected in climate models. A challenge for models is that atlases of soil composition are derived from measurements following wet sieving, which destroys the aggregates potentially emitted from the soil. Aggregates are crucial to simulating the observed size distribution of emitted soil particles. We use an extension of brittle fragmentation theory in a global dust model to account for these aggregates. Our method reproduces the size-resolved dust concentration along with the approximately size-invariant fractional abundance of elements like Fe and Al in the decade-long aerosol record from the Izaña Observatory, off the coast of West Africa. By distinguishing between Fe in structural and free forms, we can attribute improved model behavior to aggregation of Fe and Al-rich clay particles. We also demonstrate the importance of size-resolved measurements along with elemental composition analysis to constrain models.es_ES
dc.description.sponsorshipThis research was supported by the Department of Energy (DE-SC0006713), the NASA Modeling, Analysis and Prediction Program, and the Aerosol Global Atmospheric Watch program of Izaña Observatory, which has been funded by AEMET and several research projects of the Ministry of Economy and Competitiveness of Spain and the European Regional Development Fund (ERDF) including POLLINDUST (CGL2011-26259) and AEROATLAN (CGL2015-66229-P).es_ES
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.subjectMineral dustes_ES
dc.subjectMineral aerosolses_ES
dc.subjectIzaña observatoryes_ES
dc.subjectSoil particleses_ES
dc.titlePredicting the mineral composition of dust aerosols: Insights from elemental composition measured at the Izaña Observatoryes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttps://dx.doi.org/10.1002/2016GL069873es_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
Colecciones: Artículos científicos 2015-2018


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