Concentration Variation and Absorption Characteristics of Black Carbon during Autumn and Winter in Yulin near Mu Us Sandy Land

doi:10.7522/j.issn.1000-694X.2013.00387

JOURNAL OF DESERT RESEARCH

2014, Vol. 34

Issue (3): 869-877 DOI: 10.7522/j.issn.1000-694X.2013.00387

Concentration Variation and Absorption Characteristics of Black Carbon during Autumn and Winter in Yulin near Mu Us Sandy Land

Du Chuanli, Li Xingmin, Chen Chuang, Wang Fanqiang, Peng Yan, Dong Yan, Dong Zipeng

Meteorological Institute of Shaanxi Province, Xi'an 710014, China

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Abstract To understand the impact of black carbon aerosol on local pollution, black carbon aerosol is studied at Yulin. The data of black carbon concentration, particle mass concentration, visibility, and meteorological data measured during autumn and winter of 2011-2012 at Yulin were used to calculate the planetary boundary layer top height, aerosol absorption coefficient, and atmospheric extinction coefficient, then the single scattered albedo was derived from the calculation results. Concentration variation and absorption characteristics of Black Carbon were observed. The results showed that: (1)The mean value of black carbon concentration is 2.6 μg·m^-3 within a range between 0.07 μg·m^-3 and 10.6 μg·m^-3. (2) The percentage of black carbon concentration in PM1.0 is 10.6 %, and the correlation coefficients between black carbon and particle mass concentrations of PM_1.0, PM_2.5, and PM₁₀ are 0.91, 0.91, and 0.72, respectively. (3) Black Carbon concentration is affected by planetary boundary layer top height, and its accumulation and transportation are affected by the desert wind field. (4) The percentage of aerosol absorption coefficient in the atmospheric extinction coefficient is 16.8% within a range between 2.3% and 67.8%. (5)The mean single scattering albedo is 0.72, ranging from 0.51 to 0.86.

Key words: black carbon absorption coefficient extinction coefficient planetary boundary layer Yulin Mu Us Sandy Land

Received: 03 May 2013 Published: 20 May 2014

ZTFLH:

O648.18



	Articles by authors
	Du Chuanli
	Li Xingmin
	Chen Chuang
	Wang Fanqiang
	Peng Yan
	Dong Yan
	Dong Zipeng

Cite this article:

Du Chuanli, Li Xingmin, Chen Chuang, Wang Fanqiang, Peng Yan, Dong Yan, Dong Zipeng. Concentration Variation and Absorption Characteristics of Black Carbon during Autumn and Winter in Yulin near Mu Us Sandy Land. JOURNAL OF DESERT RESEARCH, 2014, 34(3): 869-877.

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http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00387 OR http://www.desert.ac.cn/EN/Y2014/V34/I3/869

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