Mixing of dust with pollution on the transport path of Asian dust — Revealed from the aerosol over Yulin, the north edge of Loess Plateau

Wang, Qiongzhen; Zhuang, Guoshun; Li, Juan; Huang, Kan; Zhang, Rong; Jiang, Yilun; Lin, Yanfen; Fu, Joshua S.

doi:10.1016/j.scitotenv.2010.10.032

Cited by 53 publications

(30 citation statements)

References 48 publications

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“…The values obtained from atmospheric aerosols at the urban sites of Duolun (Cui, 2009) and Alxa Right Banner (Niu and Zhang, 2000), which are closer to the desert, increased on dust days, but were still over 1 order of magnitude lower than the corresponding values in this study (Table 5). The mixing and chemical interaction between anthropogenic air pollutants and dust particles during transport from the source zone to the reception site likely played an important role in increasing the ratios, leading to extremely larger ratio values at this site relative to those in source dust and in upwind atmospheric particles Wang et al, 2011;Wu et al, 2017). Since air pollutant emissions, meteorological conditions, chemical reactions and others can affect the concentrations of NH + 4 and NO − 3 in atmospheric particles collected on dust days, the observed increase or decrease in the mass concentration of nitrate and ammonium in different dust samples compared to the reference implied the combined effect of those factors.…”

Section: Characterization Of Aerosol Samples Collected During Dust Evmentioning

confidence: 99%

“…In an extreme case, Asian dust was found to be transported more than one full circuit around the globe in approximately 13 days (Uno et al, 2009). During long-range transport, dust particles may mix with anthropogenic air pollutants and consequently undergo complicated chemical reactions Li et al, 2014;Ma et al, 2012;Q. Z. Wang et al, 2011Q.…”

Section: Introductionmentioning

confidence: 99%

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The concentration, source and deposition flux of ammonium and nitrate in atmospheric particles during dust events at a coastal site in northern China

Liu

Yao

et al. 2018

Atmos. Chem. Phys.

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Abstract. Asian dust has been reported to carry anthropogenic reactive nitrogen during transport from source areas to the oceans. In this study, we attempted to characterize NH 4 and NO − 3 in each total suspended particle (TSP) sample, the samples can be classified into increasing or decreasing types. In Category 1, the concentrations of NH + 4 and NO − 3 were 20-440 % higher in dust day samples relative to samples collected immediately before or after a dust event. These concentrations decreased by 10-75 % in the dust day samples in Categories 2 and 3. Back trajectory analysis suggested that multiple factors, such as the transport distance prior to the reception site, the mixing layer depth on the transport route and the residence time across highly polluted regions, might affect the concentrations of NH .

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Section: Characterization Of Aerosol Samples Collected During Dust Evmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The concentration, source and deposition flux of ammonium and nitrate in atmospheric particles during dust events at a coastal site in northern China

Liu

Yao

et al. 2018

Atmos. Chem. Phys.

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“…The mixing of dust in polluted air masses also favors mixing with other anthropogenic compounds, such as metals (Cu, As, Ni, Cd, Zn, Pb) (Sun et al 2005;Zhang et al 2005b;Erel et al 2006;Huang et al 2010;Wang et al 2011), probably playing a role on the atmospheric deposition of nutrients to the marine biosphere (Sun et al 2005).…”

Section: Internal Mixing Dust/inorganic Speciesmentioning

confidence: 99%

Ocean–Atmosphere Interactions of Particles

Leeuw

Guieu

Arneth

et al. 2013

Springer Earth System Sciences

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This chapter provides an overview of the current knowledge on aerosols in the marine atmosphere and the effects of aerosols on climate and on processes in the oceanic surface layer. Aerosol particles in the marine atmosphere originate predominantly from direct production at the sea surface due to the interaction between wind and waves (sea spray aerosol, or SSA) and indirect production by gas to particle conversion. These aerosols are supplemented by aerosols produced over the continents, as well as aerosols emitted by volcanoes and ship traffic, a large part of it being deposited to the ocean surface by dry and wet deposition. The SSA sources, chemical composition and ensuing physical and optical effects, are discussed. An overview is presented of continental sources and their ageing and mixing processes during transport. The current status of our knowledge on effects of marine aerosols on the Earth radiative balance, both direct by their interaction with solar radiation and indirect through their effects on cloud properties, is discussed. The deposition on the ocean surface of some key species, such as nutrients, their bioavailability and how they impact biogeochemical cycles are shown and discussed through different time and space scales approaches.

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“…In a study conducted by Yongxiang et al (2009), the results showed that dust storms occur with high frequency and raise dust particles into the troposphere from the ground level to a height of 5-9 km to modulate the hydrologic cycle in the TP. There are significant negative correlations between dust aerosol and precipitation in the dust source regions during the period of both 40 and 200 years (16).…”

Section: Introductionmentioning

confidence: 99%