Atmospheric Electricity and Aerosol-Cloud Interactions in Earth's Atmosphere

被引：0

作者：

Manninen, Hanna E. ^{[1
,2
]}

Tammet, Hannes ^{[2
]}

Makela, Antti ^{[3
]}

Haapalainen, Jussi ^{[3
]}

Mirme, Sander ^{[2
]}

Nieminen, Tuomo ^{[1
,4
]}

Franchin, Alessandro ^{[1
]}

Petaja, Tuukka ^{[1
]}

Kulmala, Markku ^{[1
]}

Horrak, Urmas ^{[2
]}

机构：

[1] Univ Helsinki, Dept Phys, POB 64, FIN-00014 Helsinki, Finland

[2] Univ Tartu, Dept Phys, Tartu 50090, Estonia

[3] Finnish Meteorol Inst, FIN-00101 Helsinki, Finland

[4] Univ Helsinki, Helsinki Inst Phys, FIN-00014 Helsinki, Finland

来源：

NUCLEATION AND ATMOSPHERIC AEROSOLS | 2013年 / 1527卷

基金：

芬兰科学院;

关键词：

Atmospheric electricity; Small ions; Earth's electric field; Lightning; Aerosol-cloud interactions; COSMIC-RAYS; NUCLEATION;

D O I：

10.1063/1.4803390

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Firstly, atmospheric ions play an important role in the fair weather electricity in Earth's atmosphere. Small ions, or charged molecular clusters, carry electric currents in the atmosphere. These small ions are continuously present, and their lifetime in lower atmosphere is about one minute. It's essential to find out a connection between the production rate of cluster ions, ion-ion recombination, and ion-aerosol attachment, and their ambient concentrations, in order to understand electrical properties of air. Secondly, atmospheric ions are important for Earth's climate, due to their potential role in secondary aerosol formation, which can lead to increased number of cloud condensation nuclei (CCN), which in turn can change the cloud properties. Our aim is to quantify the connections between these two important roles of air ions based on field observations.

引用

页码：790 / 792

页数：3

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