Hygroscopic properties and extinction of aerosol particles at ambient relative humidity in South-Eastern China

被引：84

作者：

Eichler, H. ^{[1
,3
]}

Cheng, Y. F. ^{[1
,2
]}

Birmili, W. ^{[1
]}

Nowak, A. ^{[1
]}

Wiedensohler, A. ^{[1
]}

Brueggemann, E. ^{[1
]}

Gnauk, T. ^{[1
]}

Herrmann, H. ^{[1
]}

Althausen, D. ^{[1
]}

Ansmann, A. ^{[1
]}

Engelmann, R. ^{[1
]}

Tesche, M. ^{[1
]}

Wendisch, M. ^{[3
]}

Zhang, Y. H. ^{[2
]}

Hu, M. ^{[2
]}

Liu, S. ^{[2
]}

Zeng, L. M. ^{[2
]}

机构：

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

[2] Peking Univ, Coll Environm Sci, Beijing 100871, Peoples R China

[3] Johannes Gutenberg Univ Mainz, Inst Atmospher Phys, D-55009 Mainz, Germany

来源：

ATMOSPHERIC ENVIRONMENT | 2008年 / 42卷 / 25期

关键词：

hygroscopicity; descriptive hygroscopic growth factor; H-DMPS; PRD; particle extinction coefficient;

D O I：

10.1016/j.atmosenv.2008.05.007

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

During the "Program of Regional Integrated Experiments of Air Quality over Pearl River Delta 2004 (PRIDE-PRD2004)" hygroscopic properties of particles in the diameter range 22 nm to 10 mu m were determined. For that purpose, a Humidifying Differential Mobility Particle Sizer (H-DMPS) and a Micro-Orifice Uniform Deposition Impactor (MOUDI) were operated. The derived size-dependent particle hygroscopic growth factors were interpolated to ambient relative humidity (RH) and used to calculate the particle number size distributions (PNSDs) at ambient conditions. A comparison between the modeled particle extinction coefficients (sigma(ext,Mie)) and those observed with a Raman lidar was made. It is shown that the particle extinction coefficient (sigma(ext)) at ambient RH can be properly estimated with Mie-model calculations based on the in situ physico-chemical measurements of dry and humidified PNSD and chemical composition. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：6321 / 6334

页数：14

共 34 条

[1] Climate forcing by aerosols - a hazy picture [J].

Anderson, TL ;

Charlson, RJ ;

Schwartz, SE ;

Knutti, R ;

Boucher, O ;

Rodhe, H ;

Heintzenberg, J .

SCIENCE, 2003, 300 (5622) :1103-1104

[2] High aerosol load over the Pearl River Delta, China, observed with Raman lidar and Sun photometer [J].

Ansmann, A ;

Engelmann, R ;

Althausen, D ;

Wandinger, U ;

Hu, M ;

Zhang, YH ;

He, QS .

GEOPHYSICAL RESEARCH LETTERS, 2005, 32 (13) :1-4

[3] INDEPENDENT MEASUREMENT OF EXTINCTION AND BACKSCATTER PROFILES IN CIRRUS CLOUDS BY USING A COMBINED RAMAN ELASTIC-BACKSCATTER LIDAR [J].

ANSMANN, A ;

WANDINGER, U ;

RIEBESELL, M ;

WEITKAMP, C ;

MICHAELIS, W .

APPLIED OPTICS, 1992, 31 (33) :7113-7131

[4]

BIRMILI W, 2008, BOREAL ENV IN PRESS

[5]

BIRMILI W, 1997, J AEROSOL SCI, V28, P145

[6]

BIRMILI W, 2004, J AEROSOL SCI, V1, P15

[7] Mass transfer effects in hygroscopic measurements of aerosol particles [J].

Chan, MN ;

Chan, CK .

ATMOSPHERIC CHEMISTRY AND PHYSICS, 2005, 5 :2703-2712

[8] Mixing state of elemental carbon and non-light-absorbing aerosol components derived from in situ particle optical properties at Xinken in Pearl River Delta of China [J].

Cheng, Ya Fang ;

Eichler, Heike ;

Wiedensohler, Alfred ;

Heintzenberg, Jost ;

Zhang, Yuan Hang ;

Hu, Min ;

Herrmann, Hartmut ;

Zeng, Li Min ;

Liu, Shang ;

Gnauk, Thomas ;

Brueggemann, Erika ;

He, Ling Yan .

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2006, 111 (D20)

[9] Measurement of the timescale of hygroscopic growth for atmospheric aerosols [J].

Chuang, PY .

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2003, 108 (D9)

[10]

Covert D. S., 1972, Journal of Applied Meteorology, V11, P968, DOI 10.1175/1520-0450(1972)011<0968:ASOTRO>2.0.CO

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