Journal article
Long‐range transport of SO x and dust in East Asia during the PEM B Experiment
Journal of Geophysical Research: Atmospheres, v 102(D23), pp 28589-28612
20 Dec 1997
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Abstract
The transport of SO2 and sulfate in East Asia (including eastern China, Korea, and Japan) during the period of March 1 through March 14, 1994, is studied using a three‐dimensional regional‐scale atmospheric chemistry model. This period corresponds to that in which the Pacific Exploratory Mission in the Western Pacific Ocean (PEM‐West B) was being conducted around Japan. During this period, characterized by the passage of cold fronts and relatively dry conditions, the anthropogenic sulfur emitted from the source regions in East Asia is transported out into the central Pacific Ocean. The sulfur transport is largely limited to the lower 4 km of the atmosphere, with the maximum flux occurring in the 30° to 40°N latitude band containing the bulk of the anthropogenic emissions. The interactions between the sulfur cycle and mineral aerosol are also included in the analysis. It is found that the chemical conversion of SO2 to sulfate in the presence of mineral aerosol may be a significant process during this time period, and may contribute from 20% to 40% of the total sulfate production. Sulfur dioxide arising from volcanic sources in Japan is also discussed.
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Details
- Title
- Long‐range transport of SO x and dust in East Asia during the PEM B Experiment
- Creators
- Hui XiaoGregory R. CarmichaelJames DurchenwaldDonald ThorntonAlan Bandy
- Publication Details
- Journal of Geophysical Research: Atmospheres, v 102(D23), pp 28589-28612
- Number of pages
- 24
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:000071162700043
- Scopus ID
- 2-s2.0-5244263979
- Other Identifier
- 991019168576804721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Meteorology & Atmospheric Sciences