黑碳仪测量气溶胶吸收系数的校正算法和影响因素研究进展

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Abstract As one of the commonly used techniques for aerosol absorption coefficient measurement, Aethalometer is widely used to investigate aerosol light absorption properties in laboratory and field experiments. However, owing to the constraint of filter-based method, the accuracy of the absorption coefficient measurement is affected by the filter-loading effect, and by the multiple-scattering effects caused by the filter fibers and aerosol particles. The instrument methodology and the developed correction algorithms of Aethalometer were reviewed. The influence factors for absorption coefficient measurement were explored. The influence of mixing state of black carbon (BC) on Aethalometer measurement deviation (C_ref') of absorption coefficient were analyzed. The relationship between C_ref' and aerosol single scattering albedo (SSA), and the wavelength-dependent relationship of C_ref' were discussed. Furthermore, some suggestions for the future research were proposed.

Key words： aethalometer absorption coefficient correction algorithm measurement deviation

Received: 22 February 2021

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X513

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	Articles by authors
	CAI Yuan-qing
	XU Xue-zhe
	ZHOU Jia-cheng
	LIU Qian-qian
	ZHAO Wei-xiong
	FANG Bo
	WANG Shuo
	ZHANG Wei-jun

Cite this article:

CAI Yuan-qing,XU Xue-zhe,ZHOU Jia-cheng等. Research progress of correction algorithm and influence factors for aerosol absorption coefficient from aethalometer measurement[J]. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(9): 4026-4035.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2021/V41/I9/4026

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