Estimation of Dry Deposition Flux of Sulfur Dioxide to the Sea Water Surface
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概要
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In order to estimate of dry deposition flux of sulfur dioxide in the atmosphere to the sea water surface, the experiments were performed on the observation tower off the coast of Shirahama and on the pier at the west coast of Awaji Island, for 7days in total from September 2006 to June 2007. Sulfur dioxide fluxes were obtained by the gas concentration gradient method. The average values of SO<SUB>2</SUB> concentrations were 2.9ppb and 2.7ppb in Shirahama and Awaji Island, respectively. And the total average value of SO<SUB>2</SUB> concentration was 2.8ppb. The average SO<SUB>2</SUB> fluxes were-6.7×10<SUP>-8</SUP>g/m<SUP>2</SUP>s and-2.8×10<SUP>-8</SUP>g/m<SUP>2</SUP>s in Shirahama and Awaji Island, respectively. And the total average value of SO2 flux was-4.8×10<SUP>-8</SUP>g/m<SUP>2</SUP>s. The SO<SUB>2</SUB> gas was deposited to the sea water surface. The average values of dry SO<SUB>2</SUB> deposition velocities were 0.64cm/s and 0.43cm/s in Shirahama and Awaji Island, respectively. And the total average value of dry SO2 deposition velocity was 0.53cm/s. It was recognized that the dry deposition velocity is positively proportional to wind speed.
- 社団法人 大気環境学会の論文
社団法人 大気環境学会 | 論文
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