English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/19534
COMPARTIR / IMPACTO:
Estadísticas
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:
Título

Factors governing the atmospheric deposition of polycyclic aromatic hydrocarbons to remote areas

AutorFernández Ramón, M. Pilar; Carrera, Guillem; Grimalt, Joan O.; Ventura, Marc ; Ventura, Marc ; Camarero, Lluís ; Catalán, Jordi; Nickus, Ulrike; Thies, Hansjörg; Psenner, Roland
Palabras clavePolycyclic Aromatic Hydrocarbons (PAHs)
Persistent Organic Pollutants (POPs)
Atmospheric deposition
high altitude environments
Alps
Pyrenees
Fecha de publicación27-jun-2003
EditorAmerican Chemical Society
CitaciónEnvironmental Science and Technology 37(15): 3261–3267 (2003)
ResumenPolycyclic aromatic hydrocarbons (PAH) were measured in bulk atmospheric deposition collected in three remote areas of Europe during 1997−1998. Mean total PAH fluxes over a period of 18 months were 1560 ± 750 and 1150 ± 630 ng m-2 mo-1 in the Pyrenees and the Alps, respectively. In the Caledonian mountains (Scandinavia) the observed mean fluxes were 1900 ± 940 ng m-2 mo-1 (6 month collection). Similar qualitative PAH compositions (p values <0.05) in the bulk atmospheric deposition have been observed between sites, which are dominated by the more volatile parent compounds. The main differences between lakes are related to the high molecular weight compounds. Atmospheric deposition of PAH to these remote sites appears to be independent of their concentrations in the atmosphere, which are similar between sites (in the range of 1.8−3.0 ng·m-3), being controlled mainly by particle deposition, followed by precipitation and air temperature. A multilevel regression model including these three variables accounted for 74% of the total variability in total PAH bulk deposition; however, the contribution of each variable in the model is compound and site-dependent. The deposition of high molecular weight PAH depends more on particle deposition and precipitation, whereas air temperature is the main factor controlling the deposition fluxes of the low molecular weight PAH.
Descripción7 pages, 4 figures, 1 table.-- PMID: 12966968 [PubMed].-- Printed version published 1 Aug, 2003.
Versión del editorhttp://dx.doi.org/10.1021/es020137k
URIhttp://hdl.handle.net/10261/19534
DOI10.1021/es020137k
ISSN0013-936X (Print)
1520-5851 (Online)
Aparece en las colecciones: (CEAB) Artículos
(IDAEA) Artículos
Ficheros en este ítem:
No hay ficheros asociados a este ítem.
Mostrar el registro completo
 

Artículos relacionados:


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.