DOI: 10.1016/j.atmosenv.2018.04.024
Scopus记录号: 2-s2.0-85046169264
论文题名: An analysis of high fine aerosol loading episodes in north-central Spain in the summer 2013 - Impact of Canadian biomass burning episode and local emissions
作者: Burgos M ; A ; , Mateos D ; , Cachorro V ; E ; , Toledano C ; , de Frutos A ; M ; , Calle A ; , Herguedas A ; , Marcos J ; L
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2018
卷: 184 起始页码: 191
结束页码: 202
语种: 英语
英文关键词: Aerosol microphysical properties
; Aerosol optical properties
; Aerosol radiative effect
; Anthropogenic pollution
; Biomass burning
; Fine aerosol particles
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: This work presents an evaluation of a surprising and unusual high turbidity summer period in 2013 recorded in the north-central Iberian Peninsula (IP). The study is made up of three main pollution episodes characterized by very high aerosol optical depth (AOD) values with the presence of fine aerosol particles: the strongest long-range transport Canadian Biomass Burning (BB) event recorded, one of the longest-lasting European Anthropogenic (A) episodes and an extremely strong regional BB. The Canadian BB episode was unusually strong with maximum values of AOD(440 nm) ∼ 0.8, giving rise to the highest value recorded by photometer data in the IP with a clearly established Canadian origin. The anthropogenic pollution episode originated in Europe is mainly a consequence of the strong impact of Canadian BB events over north-central Europe. As regards the local episode, a forest fire in the nature reserve near the Duero River (north-central IP) impacted on the population over 200 km away from its source. These three episodes exhibited fingerprints in different aerosol columnar properties retrieved by sun-photometers of the AErosol RObotic NETwork (AERONET) as well as in particle mass surface concentrations, PMx, measured by the European Monitoring and Evaluation Programme (EMEP). Main statistics, time series and scatterplots relate aerosol loads (aerosol optical depth, AOD and particulate matter, PM) with aerosol size quantities (Ångström Exponent and PM ratio). More detailed microphysical/optical properties retrieved by AERONET inversion products are analysed in depth to describe these events: contribution of fine and coarse particles to AOD and its ratio (the fine mode fraction), volume particle size distribution, fine volume fraction, effective radius, sphericity fraction, single scattering albedo and absorption optical depth. Due to its relevance in climate studies, the aerosol radiative effect has been quantified for the top and bottom of the atmosphere, obtaining mean daily values for this extraordinary summer period of −14.5 and −47.5 Wm−2, respectively. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82837
Appears in Collections: 气候变化事实与影响
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作者单位: Grupo de Óptica Atmosférica, Facultad de Ciencias, Universidad de Valladolid, Paseo Belén 7, Valladolid, Spain; Departamento de Control de Calidad y Cambio Climático, Consejería de Fomento y Medio Ambiente de la Junta de Castilla y León, Valladolid, Spain; Departamento de Ingeniería Cartográfica, Geodésica y Fotogrametría, E.T.S. de Ingenierías Agrarias de Palencia, Universidad de Valladolid, Spain
Recommended Citation:
Burgos M,A,, Mateos D,et al. An analysis of high fine aerosol loading episodes in north-central Spain in the summer 2013 - Impact of Canadian biomass burning episode and local emissions[J]. Atmospheric Environment,2018-01-01,184