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Weekly variation of atmospheric particle micromorphology and chemistry in Brussels urban environment.

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  • معلومة اضافية
    • الموضوع:
      BRUSSELS (Belgium); BELGIUM
    • نبذة مختصرة :
      The purpose of this study was to measure the impact of urban activities on airborne particle dynamics during weekend periods in Brussels urban area. Differences in the granulometry and micromorphology between particles sampled on working days and weekends were studied. We quantified the area, size, number, and the chemistry parameters of the airborne particles and compared between Saturday, Sunday, and Monday. We report and analyze data on airborne particles up to PM10, measured in the Brussels region from October 2002 to September 2003. Our investigation reveals detailed information regarding chemical composition of the airborne particles over the weekend period in the Brussels urban area. Furthermore, the majority of the airborne particles in the Brussels region may belong to sources geographically outside the (in situ) Brussels area. [ABSTRACT FROM AUTHOR]