Characterization of submicron aerosols during a month of serious pollution in Beijing, 2013 [PDF]
Atmospheric Chemistry and Physics, 2014 In January 2013, Beijing experienced several serious haze events. To achieve a better understanding of the characteristics, sources and processes of aerosols during this month, an Aerodyne high-resolution time-of-flight aerosol mass spectrometer (HR-ToF ...
J. K. Zhang +6 more
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Aerosol physicochemical properties and implications for visibility during an intense haze episode during winter in Beijing [PDF]
Atmospheric Chemistry and Physics, 2015 The evolution of physical, chemical and optical properties of urban aerosol particles was characterized during an extreme haze episode in Beijing, PRC, from 24 through 31 January 2013 based on in situ measurements. The average mass concentrations of PM1,
Y. H. Wang +6 more
doaj +1 more source
Atmosphere, 2022 The Central Plains Economic Region (CPER) is one of the most polluted regions in China. Air pollution has caused visibility degradation due to the light extinction of fine particles (PM2.5).
Huiyun Du +5 more
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Aerosol composition, oxidation properties, and sources in Beijing: results from the 2014 Asia-Pacific Economic Cooperation summit study [PDF]
Atmospheric Chemistry and Physics, 2015 The mitigation of air pollution in megacities remains a great challenge because of the complex sources and formation mechanisms of aerosol particles. The 2014 Asia-Pacific Economic Cooperation (APEC) summit in Beijing serves as a unique experiment to ...
W. Q. Xu +12 more
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The effect of wall cooling on a compressible turbulent boundary layer [PDF]
, 1974 Experimental results are presented for two turbulent boundary-layer experiments conducted at a free-stream Mach number of 4 with wall cooling. The first experiment examines a constant-temperature cold-wall boundary layer subjected to adverse and ...
Gran, R. L., Kubota, T., Lewis, J. E.
core +1 more source
The moist boundary layer under a mid-latitude weather system [PDF]
, 2010 Mid-latitude weather systems are key contributors to the transport of atmospheric water vapour, but less is known about the role of the boundary layer in this transport.
Beare, R.J. +4 more
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Arkiv för Matematik, 1996 The concept of boundary layers, introduced by A. Volberg in [7], is generalized from subsets of the unit disk to subsets of general non-tangentially accessible (NTA) domains. Capacitary conditions of Wiener type series of both necessary and sufficient type for boundary layers are presented and the connection between boundary layers and minimally thin ...
Aikawa, Hiroaki, Lundh, Torbjörn
openaire +2 more sources
Ozone weekend effects in the Beijing–Tianjin–Hebei metropolitan area, China [PDF]
Atmospheric Chemistry and Physics, 2014 The ozone weekend effect (OWE) was first investigated in the metropolitan area of Beijing–Tianjin–Hebei (BTH), China, using in situ measurements from the Atmospheric Environment Monitoring Network from July 2009 to August 2011.
Y. H. Wang +11 more
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Turbulent dispersion in cloud-topped boundary layers [PDF]
, 2009 Compared to dry boundary layers, dispersion in cloud-topped boundary layers has received less attention. In this LES based numerical study we investigate the dispersion of a passive tracer in the form of Lagrangian particles for four kinds of atmospheric
Heus, T. +3 more
core +4 more sources
Impacts of an unknown daytime HONO source on the mixing ratio and budget of HONO, and hydroxyl, hydroperoxyl, and organic peroxy radicals, in the coastal regions of China [PDF]
Atmospheric Chemistry and Physics, 2015 Many field experiments have found high nitrous acid (HONO) mixing ratios in both urban and rural areas during daytime, but these high daytime HONO mixing ratios cannot be explained well by gas-phase production, HONO emissions, and nighttime hydrolysis ...
Y. Tang +6 more
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