Effect of typhoon on atmosphericparticulates in autumn in centralTaiwan

doi:10.1016/j.atmosenv.2009.08.033

中山醫學大學機構典藏 CSMUIR > 健康管理學院 > 公共衛生學系暨碩士班 > 期刊論文 > Item 310902500/4315

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题名:	Effect of typhoon on atmosphericparticulates in autumn in centralTaiwan
作者:	Guor-Cheng Fang Shin-Jay Lin Shih-Yu Chang Charles-C.K. Chou
贡献者:	中山醫學大學健康管理學院公共衛生學系
关键词:	Extreme weather Pacific high sea-land breeze continuous measurement Chemical species
日期:	2009-08-19
ISSN:	1352-2310
摘要:	Previous studies have suggested that the ongoing global climate change will likely increase the intensity and frequency of extreme weather, such as typhoons. Since the beginning of global warming, it has become necessary to understand the influence of typhoons on air quality. Rare data, especially particulate measurements data could be used to establish the relationship between the air pollution and typhoons. One of main limiting factors is that most of the previous chemical analyses of particulates used a relatively long sampling time, which could dilute the temporal impact of particulate characteristics and their sources. This work, depending more time-resolved measurements, focus on the characteristics and sources of high particulate matter levels and the influence of typhoons and the Pacific high system. Depending on the measurements, two pollutant groups were clearly identified in this work. The first pollutant group was the emissions from neighboring riverbeds under the strong circulation of the typhoon in the driest season and characterized as high coarse particle concentrations with high mass fraction of Ca2+. The second pollutant group was characterized as the formation and transport of secondary particles with prevalent ions of NH4+, NO3−, and SO42− and occurred in the sea-land breeze circulation under the influence the Pacific high system.
URI:	https://ir.csmu.edu.tw:8080/ir/handle/310902500/4315 http://dx.doi.org/10.1016/j.atmosenv.2009.08.033
關聯:	Atmospheric Environment Volume 43, Issue 38, December 2009, Pages 6039–6048
显示于类别:	[公共衛生學系暨碩士班] 期刊論文

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