New particle formation in the front range of the colorado rocky mountains

被引：63

作者：

Boy, M. ^{[1
,2
]}

Karl, T. ^{[2
]}

Turnipseed, A. ^{[2
]}

Mauldin, R. L. ^{[2
]}

Kosciuch, E. ^{[2
]}

Greenberg, J. ^{[2
]}

Rathbone, J. ^{[2
]}

Smith, J. ^{[2
]}

Held, A. ^{[2
]}

Barsanti, K. ^{[2
]}

Wehner, B. ^{[3
]}

Bauer, S. ^{[3
]}

Wiedensohler, A. ^{[3
]}

Bonn, B. ^{[4
]}

Kulmala, M. ^{[1
]}

Guenther, A. ^{[2
]}

机构：

[1] Dept Phys Sci, Helsinki 00014, Finland

[2] NCAR, ACD, Boulder, CO 80305 USA

[3] Leibniz Inst Tropospher Res, D-04318 Leipzig, Germany

[4] Estonian Univ Life Sci, Dept Plant Physiol, EE-51014 Tartu, Estonia

来源：

ATMOSPHERIC CHEMISTRY AND PHYSICS | 2008年 / 8卷 / 06期

关键词：

D O I：

10.5194/acp-8-1577-2008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

New particle formation is of interest because of its influence on the properties of aerosol population, and due to the possible contribution of newly formed particles to cloud condensation nuclei. Currently no conclusive evidence exists as to the mechanism or mechanisms of nucleation and subsequent particle growth. However, nucleation rates exhibit a clear dependence on ambient sulphuric acid concentrations and particle growth is often attributed to the condensation of organic vapours. A detailed study of new particle formation in the Front Range of the Colorado Rocky Mountains is presented here. Gas and particle measurement data for 32 days was analyzed to identify event days, possible event days, and non-event days. A detailed analysis of nucleation and growth is provided for four days on which new particle formation was clearly observed. Evidence for the role of sesquiterpenes in new particle formation is presented.

引用

页码：1577 / 1590

页数：14

共 42 条

[41] Design and calibration of a thermodenuder with an improved heating unit to measure the size-dependent volatile fraction of aerosol particles [J].