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Scopus: 10 cites, Web of Science: 7 cites,
Comparison of collection methods to determine atmospheric deposition in a rural Mediterranean site (NE Spain)
Izquierdo Miguel, Rebeca (Centre de Recerca Ecològica i Aplicacions Forestals)
Àvila i Castells, Anna (Centre de Recerca Ecològica i Aplicacions Forestals)

Data: 2012
Resum: Wet-only, dry-only, bulk deposition and deposition of sedimentary particles and gases deposited after the last rain (DAR) were collected weekly at La Castanya station in the Montseny mountains (NE Spain, 41°46′N, 2°21′E) from February 2009 to July 2010. These samples were analysed for pH, alkalinity, and the concentrations of major ions (Cl⁻, NO₃⁻, SO₄²⁻, Na⁺, K⁺, Ca²⁺, Mg²⁺, NH₄⁺). Significant differences were observed between bulk and wet-only precipitation, with an enrichment of ions associated to coarse particles in bulk deposition. The comparison between wet and dry fluxes revealed that the removal of compounds at Montseny occurred mainly by wet deposition, which accounted for 74 % of total deposition. The dry flux was characterised by the predominance of K⁺ , Ca²⁺ and Mg²⁺, which are related to coarse particles. Bulk collection methods at Montseny were considered representative of total atmospheric deposition, since bulk deposition plus DAR accounted for 97 % of total deposition measured with wet and dry-only collection devices. Thus, bulk deposition collectors can be recommended for deposition networks at remote sites (lacking electricity connection) in environments, where coarse particles are a predominant fraction of the aerosol mass.
Nota: Número d'acord de subvenció MEC/CGL2005-07543/CLI
Nota: Número d'acord de subvenció MICINN/CGL2009-13188-C03-01
Nota: Número d'acord de subvenció MICINN/CSD2008-00040
Drets: Tots els drets reservats
Llengua: Anglès
Document: article ; recerca ; acceptedVersion
Matèria: Atmospheric input ; Bulk deposition ; Dry deposition ; Mediterranean region ; Precipitation chemistry ; Wet deposition
Publicat a: Journal of atmospheric chemistry, Vol. 69 Issue 4 (Dec. 2012) , p. 351-368, ISSN 0167-7764

DOI: 10.1007/s10874-012-9246-1

31 p, 896.4 KB

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Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Articles > Articles de recerca
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