Comparison of temporal features of sulphate and nitrate at urban and rural sites in Spain and the UK
作者: M.A. RevueltaR.M. HarrisonL. NúñezF.J. Gomez-MorenoM. PujadasB. Artíñano
作者单位: 1Environmental Department, CIEMAT, Avda. Complutense 40, Madrid 28040, Spain
2School of Geography, Earth & Environmental Sciences, Division of Environmental Health & Risk Management, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
3Department of Environmental Sciences/Center of Excellence in Environmental Studies, King Abdulaziz University, Jeddah 21589, Saudi Arabia
刊名: Atmospheric Environment, 2012, Vol.60 , pp.383-391
来源数据库: Elsevier Journal
DOI: 10.1016/j.atmosenv.2012.07.004
关键词: NitrateSulphateAerosolSemi-continuousTimescale
英文摘要: Abstract(#br)A seasonal comparison of aerosol secondary inorganic component (SIC) patterns on annual, weekly and daily timescales has been performed at urban Madrid and London and at rural sites in the central Iberian Peninsula and south-eastern UK alongside data for precursor gases. A database from winter 2004 to summer 2011 has been analysed. Results show the dominant processes affecting the formation and evolution of nitrate ( NO 3 − ) and sulphate ( SO 4 2 − ) in both regions. In Madrid, photochemistry dominates formation of nitrate, which is mostly locally-generated. Strong thermal decomposition results in very low concentrations in summer. In contrast, in London high nocturnal values suggest the importance of heterogeneous formation processes as well as nitrate condensation at lower...
全文获取路径: Elsevier  (合作)
影响因子:3.11 (2012)