在中国深圳沿海观测到的海洋空气对气溶胶吸湿性的大小依赖效应

IF 4.5 2区地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Atmospheric Research Pub Date : 2024-11-30 DOI:10.1016/j.atmosres.2024.107830

SongJian Zou, Lu Chen, Honghao Xu, Rou Zhang, Mengyu Liu, Guiquan Liu, Jianhuai Ye, Honglong Yang, Hao Wu, Yinshan Yang, Fang Zhang

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引用次数: 0

摘要

沿海地区气溶胶吸湿性和CCN活动受陆海空气相互作用的影响，可能产生深远的气候效应。本研究结合深圳沿海地区的现场测量和反向轨迹模型，确定了沉积颗粒的外混合海盐模式，其吸湿参数（κ）范围为0.97 ~ 1.14。然而，超细颗粒在成核/艾特肯模式下没有观察到海盐模式。尽管如此,。

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Observed size-dependent effect of the marine air on aerosols hygroscopicity at a coastal site of Shenzhen, China

Aerosols hygroscopicity and CCN activity in coastal area is influenced by continental-marine air interaction, probably exerting a profound climate effect. In this study, combining field measurement at a coastal site in Shenzhen with a back trajectory model, we have identified an externally-mixed sea salt mode in accumulated particles, where the hygroscopic parameter (κ) ranges from 0.97 to 1.14. The sea salt mode, however, was not observed for ultrafine particles in nucleation/Aitken modes. Nonetheless, the.

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来源期刊

Atmospheric Research 地学-气象与大气科学

CiteScore

9.40

自引率

10.90%

发文量

460

审稿时长

47 days

期刊介绍： The journal publishes scientific papers (research papers, review articles, letters and notes) dealing with the part of the atmosphere where meteorological events occur. Attention is given to all processes extending from the earth surface to the tropopause, but special emphasis continues to be devoted to the physics of clouds, mesoscale meteorology and air pollution, i.e. atmospheric aerosols; microphysical processes; cloud dynamics and thermodynamics; numerical simulation, climatology, climate change and weather modification.