大気汚染物質と黄砂との相互作用

Material type: 文書・図像類

Author: 唐, 寧ほか

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Publication date: 2020-05-26

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Note (General)：: 金沢大学環日本海域環境研究センター日中韓三ヵ国の共同体制で，蘭州，北京，ソウル及び本学能登半島大気観測ステーションで，夏季，冬季及び黄砂期にPM2.5を含む大気汚染物質を捕集して，PAHs及びガス相大気汚染物質の分析を行った。各地域の大気汚染物質の濃度は，年々減少することがわかり，各国の環境対策の効...

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Material Type: 文書・図像類
Title: 大気汚染物質と黄砂との相互作用
Author/Editor: 唐, 寧
Tang, Ning
Author Heading: 唐, 寧
Tang, Ning
Publication Date: 2020-05-26
Publication Date (W3CDTF): 2020-05-26
Alternative Title: The interaction between air pollutants and Asian dust
Periodical title: 令和1(2019)年度科学研究費補助金基盤研究(C) 研究成果報告書 = 2019 Fiscal Year Final Research Report
No. or year of volume/issue: 2017-04-01 - 2020-03-31
Volume: 2017-04-01 - 2020-03-31
Pages: 9p.-
Text Language Code: jpn
Subject Heading: 大気汚染
黄砂
多環芳香族炭化水素
吸着
越境輸送
Environmental and hygienic pharmacy
Target Audience: 一般
Note (General): 金沢大学環日本海域環境研究センター
日中韓三ヵ国の共同体制で，蘭州，北京，ソウル及び本学能登半島大気観測ステーションで，夏季，冬季及び黄砂期にPM2.5を含む大気汚染物質を捕集して，PAHs及びガス相大気汚染物質の分析を行った。各地域の大気汚染物質の濃度は，年々減少することがわかり，各国の環境対策の効果が明確に現れていることを明らかにした。それに伴って，我が国に飛来する大気汚染物質の量も有意に減少してきた。また，開発した曝露チャンバーを用いて，異なる条件（酸，アルカリ）の下，PAHと中国の典型的な砂漠で採集した黄砂との相互作用を確認したところ，PAHの変質反応に黄砂の寄与は本研究の条件下では認めなかった。
With the cooperation of Japan, China, and South Korea, we collected air pollutants including PM2.5 at atmospheric monitoring stations in Lanzhou, Beijing, Seoul, and the Noto Peninsula during summer, winter, and Asian dust periods. Then, we analyzed PAHs in PM2.5 and several gaseous pollutants. The results show that the concentration of air pollutants in all regions decreased year by year, which was attributed to the effective control measures adopted by these countries. In the meantime, air pollutants transported to Japan over long distances have also been significantly reduced. In addition, the interaction between PAHs and Kosa particles collected from typical deserts in China was studied in the developed exposure chamber under different conditions (such as acidic and alkaline conditions). The results show that Kosa particles had no substantial effect on the chemical reaction of PAHs.
研究課題/領域番号:17K08388, 研究期間(年度):2017-04-01 - 2020-03-31
出典：「大気汚染物質と黄砂との相互作用」研究成果報告書　課題番号17K08388 (KAKEN：科学研究費助成事業データベース（国立情報学研究所））（https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-17K08388/17K08388seika/)を加工して作成
DOI: 10.24517/00057484
Access Restrictions: 限定公開
Related Material: https://kaken.nii.ac.jp/search/?qm=90372490
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K08388/
https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-17K08388/17K08388seika/
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 金沢大学 : 金沢大学学術情報リポジトリKURA