气候变化领域集成服务门户(CCPortal): Contribution of New Particle Formation to Cloud Condensation Nuclei Activity and its Controlling Factors in a Mountain Region of Inland China

CCPortal

DOI	10.1029/2020JD034302
	Contribution of New Particle Formation to Cloud Condensation Nuclei Activity and its Controlling Factors in a Mountain Region of Inland China
	Cai M.F.; Liang B.L.; Sun Q.B.; Zhou S.Z.; Yuan B.; Shao M.; Tan H.B.; Xu Y.S.; Ren L.H.; Zhao J.
发表日期	2021
ISSN	2169-897X
卷号	126 期号:13
英文摘要	A 1-month field campaign (May 29–June 29, 2018) was conducted at a mountain site (862 m above sea level) on the Wudang Mountains in China. The particle number size distribution (3–400 nm), size-resolved cloud condensation nuclei (CCN, at 0.2% and 0.8% SS), and nonrefractory PM1 chemical composition were measured, respectively. The occurrence of the three chosen new particle formation (NPF) events (June 4, 7, and 11) was facilitated by southwest or west winds with a speed of about 3–4 m s−1. The hygroscopicity parameter ((Formula presented.)) value of newly grown particles varied in a wide range (0.25–0.8) during the events, leading to large uncertainties (−98% to 38%) on the NCCN prediction compared to the campaign. During growth of the newly formed particles for the three events, condensation of sulfuric acid vapor accounts for 14%–42%, 2%–8%, and 3%–9%, respectively, indicating that organic vapors may play an important role in particle growth. For plume-type events with rapid growth, the observed high CCN activity (i.e., June 7 event) may be explained by the contribution of amines and depression of surface tension in the presence of organic surfactants during particle growth. Our study demonstrates that the contribution of NPF to CCN concentration is modulated by many key factors including growth rate, hygroscopicity, concentrations of new particles and preexisting particles, and variation of those factors from one event to another leads to large uncertainties on the CCN prediction. © 2021. American Geophysical Union. All Rights Reserved.
英文关键词	atmospheric particles; cloud condensation nuclei; growth rate; hygroscopicity; new particle formation
来源期刊	Journal of Geophysical Research: Atmospheres
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/237144
作者单位	School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Institute of Earth Climate and Environment System, Sun Yat-sen University, Zhuhai, China; Guangdong Provincial Key Laboratory of Regional Numerical Weather Prediction, Institute of Tropical and Marine Meteorology, China Meteorological Agency, Guangzhou, China; Institute for Environmental and Climate Research, Jinan University, Guangzhou, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China; Guangdong Provincial Observation and Research Station for Climate Environment and Air Quality Change in the Pearl River Estuary, Zhuhai, China; Key Laboratory of Tropical Atmosphere-Ocean System, Ministry of Education, Zhuhai, China; Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou, China; Institute of Atmospheric Environment, Chinese Research Academy of Environmental Science, Beijing, China
推荐引用方式 GB/T 7714	Cai M.F.,Liang B.L.,Sun Q.B.,et al. Contribution of New Particle Formation to Cloud Condensation Nuclei Activity and its Controlling Factors in a Mountain Region of Inland China[J],2021,126(13).
APA	Cai M.F..,Liang B.L..,Sun Q.B..,Zhou S.Z..,Yuan B..,...&Zhao J..(2021).Contribution of New Particle Formation to Cloud Condensation Nuclei Activity and its Controlling Factors in a Mountain Region of Inland China.Journal of Geophysical Research: Atmospheres,126(13).
MLA	Cai M.F.,et al."Contribution of New Particle Formation to Cloud Condensation Nuclei Activity and its Controlling Factors in a Mountain Region of Inland China".Journal of Geophysical Research: Atmospheres 126.13(2021).