Regionality and particularity of a survey site from the viewpoint of the SO2 and SO42- concentrations in ambient air in a 250-km×250-km region of Japan

Masahide Aikawa, Takatoshi Hiraki, Makiko Yamagami, Masaru Kitase, Yoshinori Nishikawa, Itsushi Uno

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)

抄録

We reviewed the data on the atmospheric SO2 and SO42- concentrations measured in a survey conducted by the Japan Environmental Laboratories Association (JELA). The data collected in the Tokai-Kinki-Hokuriku branch, which covers a 250-km×250-km region, were reviewed as one of the activities of the Tokai-Kinki-Hokuriku branch. The atmospheric SO2 and SO42- concentrations were measured using the four-stage filter-pack method. The data collected for 3 years (Campaign III by JELA) were reviewed. The SO2 concentration was affected by the eruption episode of the Miyakejima Volcano. In contrast, the SO42- concentration (annual mean in 1999: 35.0 nmol m-3) was scarcely affected by the eruption episode. The SO42- concentration level was within or slightly higher than the level of the European Monitoring Evaluation Program (EMEP) (lower than 30 nmol m-3) and that of mid-latitude North America. The particularity of the site would be potentially clarified by the relationship of the SO42-/(SO2+SO42-) ratio with the SO2 concentration and the correlation with the results of the Community Multi-scale Air Quality (CMAQ). The peculiar pattern of the monthly variation of the SO2 concentration clarified the particularity of the site, which was deeply associated to the spatial relationship with an express highway with heavy traffic and the wind rose.

元の言語英語
ページ(範囲)1389-1398
ページ数10
ジャーナルAtmospheric Environment
42
発行部数7
DOI
出版物ステータス出版済み - 3 1 2008

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ambient air
volcanic eruption
air quality
volcano
road
filter
monitoring
laboratory
evaluation
programme
method
traffic
North America

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Atmospheric Science

これを引用

Regionality and particularity of a survey site from the viewpoint of the SO2 and SO42- concentrations in ambient air in a 250-km×250-km region of Japan. / Aikawa, Masahide; Hiraki, Takatoshi; Yamagami, Makiko; Kitase, Masaru; Nishikawa, Yoshinori; Uno, Itsushi.

:: Atmospheric Environment, 巻 42, 番号 7, 01.03.2008, p. 1389-1398.

研究成果: ジャーナルへの寄稿記事

Aikawa, Masahide ; Hiraki, Takatoshi ; Yamagami, Makiko ; Kitase, Masaru ; Nishikawa, Yoshinori ; Uno, Itsushi. / Regionality and particularity of a survey site from the viewpoint of the SO2 and SO42- concentrations in ambient air in a 250-km×250-km region of Japan. :: Atmospheric Environment. 2008 ; 巻 42, 番号 7. pp. 1389-1398.
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