Title of article :
Ambient air SO2 patterns in 6 European cities
Author/Authors :
Henschel، نويسنده , , Susann and Querol، نويسنده , , Xavier and Atkinson، نويسنده , , Richard and Pandolfi، نويسنده , , Marco and Zeka، نويسنده , , Ariana and Le Tertre، نويسنده , , Alain and Analitis، نويسنده , , Antonis and Katsouyanni، نويسنده , , Klea and Chanel، نويسنده , , Olivier and Pascal، نويسنده , , Mathilde and Bouland، نويسنده , , Catherine and Haluza، نويسنده , , Daniela and Medina، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2013
Pages :
12
From page :
236
To page :
247
Abstract :
AbstractIntroduction lysis of the hourly SO2 pollution patterns with time can be a useful tool for policy makers and stakeholders in developing more effective local policies in relation to air quality as it facilitates a deeper understanding of concentrations and potential source apportionment. iled analysis of hourly inter-annual, seasonal and weekday-specific SO2 concentration patterns using data obtained from 6 cities involved in the Aphekom project was conducted. This type of analysis has been done for other pollutants but less so for SO2, and not in a systematic fashion for a number of European cities. s dual diurnal SO2 profiles and working weekday versus weekend specific 24-hr plots were generated using hourly SO2 measurements from a roadside and an urban background monitoring sites for 1993, 2001 and 2009 for each of the 6 European cities (Athens, Barcelona, Brussels, London, Paris, and Vienna). This facilitated the assessment of city specific patterns and comparison of changes with time. s ncentrations varied throughout the day and tended to be lower on the weekends. A general decreasing trend for SO2 levels with time was observable at all stations. sion & Conclusion tudy provides a useful European perspective on patterns of exposure. For the 6 EU cities examined, road traffic, heating, and shipping in port cities appeared to be important sources of SO2 emissions, and hence the driving components widely reflected in the diurnal profiles with lower levels on the weekend likely due to lower traffic volume and industry related emissions. Although ambient SO2 concentrations have fallen over the assessed study period at all measurement sites, the daily patterns remained relatively unchanged.
Keywords :
air pollution , Hourly SO2 , diurnal variation , Weekday vs. weekend , Diurnal profile
Journal title :
Atmospheric Environment
Serial Year :
2013
Journal title :
Atmospheric Environment
Record number :
2241674
Link To Document :
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