Characteristics of observed trace gaseous pollutants in the Yangtze Delta

Huixiang Wang, Xiaoyan Tang, Mulin Wang, Peng Yan, Tao Wang, Kesheng Shao, Limin Zeng, Huifang Du, Limin Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

14 Citations (Scopus)


Six stations in the Yangtze Delta were set up to measure minute-average ground-level concentrations of NO, NOx, SO2, CO and O3from May, 1999 to Oct., 2000 continually. The percentage of total valid data of all sites was over 80%. The observed data were of adequate regional representation. The individual mean value of NO, NOx, SO2and CO in the six selected sites was much higher than that of background level. Strong seasonal variations of observed data in the sites were expounded with peaks in winter. These showed that the air had been contaminated by anthropogenic pollutants. The highest monthly mixing ratios of O3were found in May or June, and an ozone episode in September.
Original languageEnglish
Pages (from-to)397-404
Number of pages8
JournalScience in China, Series D: Earth Sciences
Issue number4
Publication statusPublished - 1 Apr 2003


  • Gaseous pollutants
  • Tropospheric ozone
  • Yangtze Delta

ASJC Scopus subject areas

  • General Earth and Planetary Sciences


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