Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.scitotenv.2013.07.060 |
Impacts on particles and ozone by transport processes recorded at urban and high-altitude monitoring stations | |
Nicolas, J. F.1; Crespo, J.1; Yubero, E.1; Soler, R.1; Carratala, A.2; Mantilla, E.3 | |
通讯作者 | Nicolas, J. F. |
来源期刊 | SCIENCE OF THE TOTAL ENVIRONMENT
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ISSN | 0048-9697 |
EISSN | 1879-1026 |
出版年 | 2014 |
卷号 | 466页码:439-446 |
英文摘要 | In order to evaluate the influence of particle transport episodes on particle number concentration temporal trends at both urban and high-altitude (Aitana peak-1558 m a.s.l.) stations, a simultaneous sampling campaign from October 2011 to September 2012 was performed. The monitoring stations are located in southeastern Spain: close to the Mediterranean coast. The annual average value of particle concentration obtained in the larger accumulation mode (size range 0.25-1 mu m) at the mountain site, 55.0 +/- 3.0 cm(-3), was practically half that of the value obtained at the urban station (112.0 +/- 4.0 cm(-3)). The largest difference between both stations was recorded during December 2011 and January 2012, when particles at the mountain station registered the lowest values. It was observed that during urban stagnant episodes, particle transport from urban sites to the mountain station could take place under specific atmospheric conditions. During these transports, the major particle transfer is produced in the 0.5-2 mu m size range. The minimum difference between stations was recorded in summer, particularly in July 2012, which is most likely due to several particle transport events that affected only the mountain station. The particle concentration in the coarse mode was very similar at both monitoring sites, with the biggest difference being recorded during the summer months, 0.4 +/- 0.1 cm(-3) at the urban site and 0.9 +/- 0.1 cm(-3) at the Aitana peak in August 2012. Saharan dust outbreaks were the main factor responsible for these values during summertime. The regional station was affected more by these outbreaks, recording values of >4.0 cm(-3), than the urban site. This long-range particle transport from the Sahara desert also had an effect upon O-3 levels measured at the mountain station. During periods affected by Saharan dust outbreaks, ozone levels underwent a significant decrease (3-17%) with respect to its mean value. (C) 2013 Elsevier B.V. All rights reserved. |
英文关键词 | High-altitude station Transport aerosol Particle number concentration Size distribution Ozone |
类型 | Article |
语种 | 英语 |
国家 | Spain |
收录类别 | SCI-E |
WOS记录号 | WOS:000330491600047 |
WOS关键词 | CHEMICAL-COMPOSITION ; MEDITERRANEAN COAST ; AEROSOLS ; DUST ; JUNGFRAUJOCH ; SWITZERLAND ; EPISODES ; BIOMASS ; EVENTS ; EUROPE |
WOS类目 | Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/184857 |
作者单位 | 1.Miguel Hernandez Univ, Lab Atmospher Pollut LCA, Elche 03202, Spain; 2.Univ Alicante, Dept Chem Engn, E-03080 Alicante, Spain; 3.Inst Univ CEAM UMH, E-46980 Paterna, Spain |
推荐引用方式 GB/T 7714 | Nicolas, J. F.,Crespo, J.,Yubero, E.,et al. Impacts on particles and ozone by transport processes recorded at urban and high-altitude monitoring stations[J],2014,466:439-446. |
APA | Nicolas, J. F.,Crespo, J.,Yubero, E.,Soler, R.,Carratala, A.,&Mantilla, E..(2014).Impacts on particles and ozone by transport processes recorded at urban and high-altitude monitoring stations.SCIENCE OF THE TOTAL ENVIRONMENT,466,439-446. |
MLA | Nicolas, J. F.,et al."Impacts on particles and ozone by transport processes recorded at urban and high-altitude monitoring stations".SCIENCE OF THE TOTAL ENVIRONMENT 466(2014):439-446. |
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