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An alternative method for estimating hygroscopic growth factor of aerosol light-scattering coefficient: a case study in an urban area of Guangzhou, South China
Lin, ZJ (Lin, Z. J.)[ 1,5 ]; Zhang, ZS (Zhang, Z. S.)[ 1 ]; Zhang, L (Zhang, L.)[ 2 ]; Tao, J (Tao, J.)[ 1 ]; Zhang, RJ (Zhang, R. J.)[ 3 ]; Cao, JJ (Cao, J. J.)[ 4 ]; Fan, SJ (Fan, S. J.)[ 5 ]; Zhang, YH (Zhang, Y. H.)[ 6 ]
2014
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
卷号14期号:14页码:7631-7644
文章类型期刊论文
摘要

A method was developed to estimate hygroscopic growth factor (f(RH)) of aerosol light-scattering coefficient (b(sp)), making use of the measured size-and chemically resolved aerosol samples. In this method, chemical composition of the measured aerosol samples were first reconstructed using the equilibrium model ISORROPIA II. The reconstructed chemical composition, which varies with relative humidity (RH), was then employed to calculate b(sp) and hygroscopic growth factor of b(sp) (f(sp)(RH)) using the Mie model. Furthermore, the calculated f(sp)(RH) was fitted with an empirical curve. To evaluate the applicability of f(sp)(RH), the curve of f(sp)(RH) was used to correct the long-term records of the measured b(sp) from the values under comparative dry conditions to the ones under ambient RH conditions. Compared with the original b(sp) data, the f(sp)(RH)-corrected b(sp) had a higher linear correlation with, and a smaller discrepancy from, the b(sp) derived directly from visibility and absorption measurements. The f(sp)(RH) determined here was further compared with that reported in previous studies. The method described in this manuscript provides an alternative approach to derive credible f(sp)(RH) with high accuracy and has many potential applications in aerosol-related research.

DOI10.5194/acp-14-7631-2014
收录类别SCI
语种英语
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9749
专题粉尘与环境研究室
通讯作者Tao, J (Tao, J.)[ 1 ]
作者单位1.South China Institute of Environmental Sciences, the Ministry of Environment Protection of PRC, Guangzhou, China;
2.Air Quality Research Division, Science Technology Branch, Environment Canada, Toronto, Canada;
3.RCE-TEA, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China;
4.Key Laboratory of Aerosol, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, China;
5.Department of Atmospheric Science, Sun Yat-Sen University, Guangzhou, China;
6.State Joint Key Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences andEngineering, Peking University, Beijing, China
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GB/T 7714
Lin, ZJ ,Zhang, ZS ,Zhang, L ,et al. An alternative method for estimating hygroscopic growth factor of aerosol light-scattering coefficient: a case study in an urban area of Guangzhou, South China[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2014,14(14):7631-7644.
APA Lin, ZJ .,Zhang, ZS .,Zhang, L .,Tao, J .,Zhang, RJ .,...&Zhang, YH .(2014).An alternative method for estimating hygroscopic growth factor of aerosol light-scattering coefficient: a case study in an urban area of Guangzhou, South China.ATMOSPHERIC CHEMISTRY AND PHYSICS,14(14),7631-7644.
MLA Lin, ZJ ,et al."An alternative method for estimating hygroscopic growth factor of aerosol light-scattering coefficient: a case study in an urban area of Guangzhou, South China".ATMOSPHERIC CHEMISTRY AND PHYSICS 14.14(2014):7631-7644.
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