Simultaneous dust and pollutant transport over East Asia: The Tripartite Environment Ministers Meeting March 2014 case study

Itsushi Uno, Keiya Yumimoto, Xiaole Pan, Zhe Wang, Kazuo Osada, Syuichi Itahashi, Shigekazu Yamamoto

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

Heavy dust storms that occurred between 13 and 23 March 2014 were selected for analysis as a case study of dust and sand storm events by the Tripartite Environment Ministers Meeting. During this period, two dust and anthropogenic aerosol events were observed and analyzed. The GEOS-Chem chemical transport model, which includes dust-acid uptake processes, successfully reproduced the aerosol variations and explained the Asian-scale dust-pollutant transport processes. Our results confirmed the importance of coarse-mode dust-nitrate as evidence of 'polluted dust' pollution. The model analysis showed that the formation of dust-nitrate occurred over the Yellow Sea and East China Sea before arriving in Japan. We showed that more than 40% of nitrate exists in dust-nitrate when air mass arrived in Japan.

本文言語英語
ページ(範囲)47-52
ページ数6
ジャーナルScientific Online Letters on the Atmosphere
13
DOI
出版ステータス出版済み - 2017

All Science Journal Classification (ASJC) codes

  • 大気科学

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