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- Title
Long-Range Transport of Sulfur from Northeast Asia to Chengshantu, Shandong Peninsula: Measurement and Simulation.
- Authors
Maeda, Takahisa; Wang, Zifa; Hayashi, Masayasu; Huang, Meiyuan
- Abstract
Observations of air pollutants were conducted at Chengshantu in January 1996 to clarify the extent of trans-boundary pollution from the Asian continent. A nested air quality prediction modeling system (NAQPMS), which included parameters on emission, transport, diffusion, deposition and transformation of sulfur oxides, was performed to compile sulfur concentrations over the observation site. The model calculation reproduced the observed variations of sulfur oxides and sulfate well, although the model calculations could not reproduce the extensively low sulfate concentrations. Using nesting improves the ability of the modeling system to capture peak episodes seen in the observations. Calculation of the origins of deposited sulfur in each country with the NAQPMS shows that the long-range transport of sulfur is very serious. For Japan, 49% of sulfur deposition was from other countries during the campaign period.
- Subjects
ASIA; AIR pollution; POLLUTANTS; SULFUR compounds; POLLUTION; SULFUR deposits
- Publication
Water, Air & Soil Pollution, 2001, Vol 130, Issue 1-4, p1793
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1023/A:1013988809412