2001
DOI: 10.1029/2001jd900073
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Aerosol radiative, physical, and chemical properties in Beijing during June 1999

Abstract: concentration were-15%, 5%, and 8%, respectively. Mineral aerosol contributed-16% to the PM2.5 aerosol mass. These data show that combustion-related particles rather than wind-blown dust dominated the light extinction budget during June 1999.

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Cited by 239 publications
(190 citation statements)
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References 33 publications
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“…This value was lower than the value of 0.826 reported in Guangzhou [14], 0.88 at SDZ, 0.81 in summer Beijing [41], 0.82 in spring at the Wuqing site [21], and 0.81 in Shanghai [26]. The low SSA can reflect high loading of absorbing aerosols.…”
Section: Overview Of Aerosol Scattering and Absorption Propertiescontrasting
confidence: 47%
“…This value was lower than the value of 0.826 reported in Guangzhou [14], 0.88 at SDZ, 0.81 in summer Beijing [41], 0.82 in spring at the Wuqing site [21], and 0.81 in Shanghai [26]. The low SSA can reflect high loading of absorbing aerosols.…”
Section: Overview Of Aerosol Scattering and Absorption Propertiescontrasting
confidence: 47%
“…He et al 225,226 measured an annual average PM 2.5 concentration of ϳ120 g/m 3 , with a weekly PM 2.5 concentration ranging from 37 to 357 g/m 3 . Bergin et al 73 reported a daily average value for PM 2.5 of 136 Ϯ 48 g/m 3 , which is twice the 24-hr U.S. NAAQS of 65 g/m 3 . Daily averages were 513 Ϯ 212 g/m 3 for TSP and 192 Ϯ 47 g/m 3 for PM 10 , respectively.…”
Section: Beijing Chinamentioning
confidence: 99%
“…Nevertheless, the sky overhead is almost always gray, even in the absence of fog or clouds. Bergin et al 73 concluded that during June 1999, combustionrelated particles rather than wind-blown dust were mainly responsible for visibility degradation. It is well documented that Asian sand storms and dust cause poor visibility during the spring.…”
Section: Visibility Impairmentmentioning
confidence: 99%
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“…High concentration of PM 2.5 is measured both in the summer and winter (a daily average of 60e80 mg m À3 ) and direct inverse correlation between visibility and concentrations of PM 2.5 during the period 1999e2000 for every season is shown in Song et al (2003b) as well as on an hourly basis for selected episodes by Bergin et al (2001). Source apportionment of fine-particle pollution based on a measurement campaign and a modelling study for selected sites in Beijing (Zhang et al, 2004) provides evidence of road transport impacts: about 15% of PM 2.5 stem from mobile sources accompanied by about 21% of secondary road dust.…”
Section: Effects On Visibility Clouds and Cloudinessmentioning
confidence: 99%