Scavenging of pollutant acid substances by Asian mineral dust particles

Jun Matsumoto, Kenshi Takahashi, Yutaka Matsumi, Akihiro Yabushita, Atsushi Shimizu, Ichiro Matsui, Nobuo Sugimoto

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Uptakes of sulfate and nitrate onto Asian dust particles during transport from the Asian continent to the Pacific Ocean were analyzed by using a single-particle time-of-flight mass spectrometer. Observation was conducted at Tsukuba in Japan in the springtime of 2004. Sulfate-rich dust particles made their largest contribution during the 'dust event' in the middle of April 2004. As a result of detailed analysis including backward trajectory calculations, it was confirmed that sulfate components originating from coal combustion in the continent were internally mixed with dust particles. Even in the downstream of the outflow far from the continental coastline, significant contribution of Asian dust to sulfate was observed. Asian dust plays critical roles as the carrier of sulfate over the Pacific Ocean.

Original languageEnglish
Article numberL07816
JournalGeophysical Research Letters
Volume33
Issue number7
DOIs
Publication statusPublished - 2006 Apr 16
Externally publishedYes

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scavenging
contaminants
dust
minerals
sulfates
acids
pollutant
sulfate
acid
mineral
Pacific Ocean
continents
ocean
coal
mass spectrometers
particle
nitrates
Japan
spectrometer
outflow

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

Matsumoto, J., Takahashi, K., Matsumi, Y., Yabushita, A., Shimizu, A., Matsui, I., & Sugimoto, N. (2006). Scavenging of pollutant acid substances by Asian mineral dust particles. Geophysical Research Letters, 33(7), [L07816]. https://doi.org/10.1029/2006GL025782

Scavenging of pollutant acid substances by Asian mineral dust particles. / Matsumoto, Jun; Takahashi, Kenshi; Matsumi, Yutaka; Yabushita, Akihiro; Shimizu, Atsushi; Matsui, Ichiro; Sugimoto, Nobuo.

In: Geophysical Research Letters, Vol. 33, No. 7, L07816, 16.04.2006.

Research output: Contribution to journalArticle

Matsumoto, J, Takahashi, K, Matsumi, Y, Yabushita, A, Shimizu, A, Matsui, I & Sugimoto, N 2006, 'Scavenging of pollutant acid substances by Asian mineral dust particles', Geophysical Research Letters, vol. 33, no. 7, L07816. https://doi.org/10.1029/2006GL025782
Matsumoto, Jun ; Takahashi, Kenshi ; Matsumi, Yutaka ; Yabushita, Akihiro ; Shimizu, Atsushi ; Matsui, Ichiro ; Sugimoto, Nobuo. / Scavenging of pollutant acid substances by Asian mineral dust particles. In: Geophysical Research Letters. 2006 ; Vol. 33, No. 7.
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