气候变化领域集成服务门户(CCPortal): Estimating the influence of transport on aerosol size distributions during new particle formation events

CCPortal

DOI	10.5194/acp-18-16587-2018
	Estimating the influence of transport on aerosol size distributions during new particle formation events
	Cai, Runlong; Chandra, Indra; Yang, Dongsen; Yao, Lei; Fu, Yueyun; Li, Xiaoxiao; Lu, Yiqun; Luo, Lun; Hao, Jiming; Ma, Yan; Wang, Lin; Zheng, Jun; Seto, Takafumi; Jiang, Jingkun
通讯作者	Jiang, JK (通讯作者)
发表日期	2018
ISSN	1680-7316
EISSN	1680-7324
起始页码	16587
结束页码	16599
卷号	18 期号:22
英文摘要	New particle formation (NPF) and subsequent particle growth occur frequently in various atmospheric environments. Significant influence of transport on aerosol size distributions is commonly observed, especially for non-regional NPF events. With certain assumptions and approximations, a population balance method is proposed to examine the influence of transport on the temporal evolution of aerosol size distributions during NPF events. The method is derived from the aerosol general dynamic equation in the continuous form. Meteorological information (e.g., wind speed, wind direction, and water vapor mixing ratio) was used to complement the analysis. The NPF events observed in Southeast Tibet, Fukue Island, and urban Beijing were analyzed using the proposed method. Significant contribution of transport to the observed aerosol size distributions is found during the NPF events in both Southeast Tibet and Fukue Island. The changes in the contribution of transport have a good correlation with the changes in wind speed and direction. This correlation indicates that local mountain and valley breezes govern the observed new particles at the Southeast Tibet site. Most NPF events observed at Fukue Island are closely related to the long-range transport of aerosols and gaseous precursors due to the movement of air masses. Regional NPF events are typically observed in urban Beijing and the contribution of transport to the observed aerosol size distributions is negligible when compared to other processes such as condensational growth and coagulation scavenging. In a relatively clean atmospheric environment, the proposed method can be used to characterize the contribution of transport to particles in the size range from similar to 10 to similar to 50 nm. During intense NPF events in a relatively polluted atmospheric environment, however, the estimated contribution of transport is sensitive to the uncertainties in condensational growth and coagulation scavenging due to the dominance of their corresponding terms in the population balance equation.
关键词	GROWTH-RATES FUKUE ISLAND NM NUCLEATION RANGE JAPAN
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000450885500004
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/259328
推荐引用方式 GB/T 7714	Cai, Runlong,Chandra, Indra,Yang, Dongsen,et al. Estimating the influence of transport on aerosol size distributions during new particle formation events[J]. 中国科学院青藏高原研究所,2018,18(22).
APA	Cai, Runlong.,Chandra, Indra.,Yang, Dongsen.,Yao, Lei.,Fu, Yueyun.,...&Jiang, Jingkun.(2018).Estimating the influence of transport on aerosol size distributions during new particle formation events.ATMOSPHERIC CHEMISTRY AND PHYSICS,18(22).
MLA	Cai, Runlong,et al."Estimating the influence of transport on aerosol size distributions during new particle formation events".ATMOSPHERIC CHEMISTRY AND PHYSICS 18.22(2018).