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http://hdl.handle.net/10662/19572
Títulos: | Aerosol radiometric properties at Western Spain (Cáceres station) |
Autores/as: | Obregón Muñoz, María Ángeles Serrano, A. Cancillo Fernández, María Luisa Cachorro Revilla, Victoria Eugenia Toledano Olmeda, Carlos |
Palabras clave: | Aerosol atmosférico;AERONET;Propiedades ópticas;Tipos de aerosol;Atmospheric aerosol;Optical properties;Aerosol types |
Fecha de publicación: | 2014 |
Editor/a: | Royal Metereological Society |
Resumen: | This paper analyses the radiometric properties of aerosol column over Western Spain. It is based on 7-year data series of aerosol parameters at the AERONET Cáceres station (Spain) as measured by CIMEL sun-photometers. The study period extends along almost 7 years: from July 2005 to June 2012. The paper aims at analysing the temporal evolution, mean values and spectral dependence of some fundamental aerosol parameters such as aerosol optical depth (𝜏), Ångström parameter (𝛼), single scattering albedo (𝜔), asymmetry parameter (g) and volume size distribution (dV dlogr−1); and their relationship with the most frequent air masses that arrive at Western Spain. Mean values correspond to aerosols of small size and low concentration (mean 𝜏500=0.11; mean 𝛼 =1.38). In fact, 50% of days correspond to ‘continental-clean’ type. However, there is a certain variability of conditions, with more than 25% of medium and high turbidity cases with 𝜏500 higher than 0.20. These episodes of high turbidity occur more frequently in August and September and are usually due to the influence of desert-dust aerosol, biomass burning, continental aerosol, or a mixture of them. The analysis of the all basic and derived aerosol parameters is explained by the main influences: continental location, exposed to maritime aerosols coming from the Atlantic Ocean, and affected by Saharan dust intrusions. |
URI: | http://hdl.handle.net/10662/19572 |
ISSN: | 0899-8418 |
DOI: | 10.1002/joc.4031 |
Colección: | DFSCA - Artículos |
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