| ¡ ID | 116 |
| ¡ Ží—Þ | ˜_•¶ |
| ¡ ƒ^ƒCƒgƒ‹ | Evolution of Submicron Organic Aerosol in Polluted Air Exported from Tokyo |
| ¡ ’˜ŽÒ | @
Nobuyuki Takegawa@
“Œ‹ž‘åŠwæ’[‰ÈŠw‹ZpŒ¤‹†ƒZƒ“ƒ^[ @ Takuma Miyakawa@ “Œ‹ž‘åŠwæ’[‰ÈŠw‹ZpŒ¤‹†ƒZƒ“ƒ^[ @ Yutaka Kondo@ “Œ‹ž‘åŠwæ’[‰ÈŠw‹ZpŒ¤‹†ƒZƒ“ƒ^[ @ Donald R. Blake@ ƒJƒ‹ƒtƒHƒ‹ƒjƒA‘åŠw @ Yugo Kanaya@ ŠC—mŒ¤‹†ŠJ”‹@\’n‹…ŠÂ‹«ƒtƒƒ“ƒeƒBƒAŒ¤‹†ƒZƒ“ƒ^[ @ Makoto Koike@ “Œ‹ž‘åŠw‘åŠw‰@ @ Masato Fukuda@ “Œ‹ž‘åŠwæ’[‰ÈŠw‹ZpŒ¤‹†ƒZƒ“ƒ^[ @ Yuichi Komazaki@ ŠC—mŒ¤‹†ŠJ”‹@\’n‹…ŠÂ‹«ƒtƒƒ“ƒeƒBƒAŒ¤‹†ƒZƒ“ƒ^[ @ Yuzo Miyazaki@ “Œ‹ž‘åŠwæ’[‰ÈŠw‹ZpŒ¤‹†ƒZƒ“ƒ^[ @ Akio Shimono@ é‹ÊŒ§ŠÂ‹«‰ÈŠw‘ÛƒZƒ“ƒ^[ @ @ |
| ¡ o”ÅŒ³ | •Ä’n‹…•¨—Šw‰ï |
| ¡ o”Å”N | 2006 |
| ¡ Ž–¼EŠªE†E”N | Geophysical Research Letters, Vol.33, No.15, L15814, doi:10.1029/2006GL025815 (2006) |
| ¡ ´˜^E—vŽ| | Ground-based measurements of aerosols and trace gases were conducted at an urban site in Tokyo (Komaba) and a site 50 km to the north (Kisai) during July-August 2004. An Aerodyne aerosol mass spectrometer (AMS) was deployed at each measurement site to investigate the chemical evolution of submicron organic aerosol (OA) in polluted air. The mass concentrations of OA at the Kisai site were systematically higher than those at the Komaba site and were correlated with ozone under southerly conditions. The rate of increase of OA at the Kisai site is investigated using the photochemical age derived from the ratio of alkyl nitrates to their parent hydrocarbons. The OA concentrations in processed air (age of 8-16 h) were 4-5 times larger than those in fresh emissions (age - 0), suggesting that the OA concentrations can be significantly enhanced within -0.5 days under conditions of high photochemical activity. |
| ¡ ƒL[ƒ[ƒh | organic aerosol, air pollution, ozone, photochemical activity |
| ˆê——‚É–ß‚é |