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    Influence of Meteorological Factors on Submicron Particles in the Urban Atmosphere in Hangzhou

    Access Status
    Fulltext not available
    Authors
    Jian, Le
    Zhao, Yun
    Zhu, P.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Jian, L. and Zhao, Y. and Zhu, P. 2011. Influence of Meteorological Factors on Submicron Particles in the Urban Atmosphere in Hangzhou, Society of Environmental Toxicology and Chemistry 32nd Annual Meetingy, Nov 13 2011, pp. 348. Boston, USA: Society of Environmental Toxicology and Chemistry (SETAC).
    Source Title
    Abstract Book- SETAC North America 32nd Annual Meeting
    Source Conference
    Society of Environmental Toxicology and Chemistry 32nd Annual Meetingy
    ISSN
    1087 8939
    School
    School of Public Health
    Remarks

    This abstract may be available to download via the Related Links field.

    URI
    http://hdl.handle.net/20.500.11937/11510
    Collection
    • Curtin Research Publications
    Abstract

    With rapid economic development, the size of road vehicle fleet has increased dramatically in China. In order to characterise the impact of meteorological factors on the emission of submicron particles from vehicles in the urban atmosphere, a model study was conducted in Hangzhou, a fast-developing contemporary city located along the Southeast coast of China. An autoregressive integrated moving average model was used to explore the effects of the meteorological factors on the ultrafine particle (UFP) and particulate matter 1.0 (PM1.0) concentrations. Results showed that the average UFP concentration was 45,805 (10,428~147,350) particles cm-3 and the average concentration of PM1.0 was 217 (30 ~506) g m-3 during the survey period. While relative humidity (p=0.011) was positively correlated with the UFP concentration, barometric pressure (p<0.001) and wind velocity (p=0.003) were inversely correlated with the UPF concentration. Relative humidity (p=0.022) and wind speed (p=0.023) were also significant predictors of the PM1.0 concentration. Results from this study suggest that meteorological factors should be taken into consideration in interpretation of air monitoring results for submicron particles as unfavourable meteorological factors may play a role in the formation of new air pollutants and change the ability of the atmosphere to scatter/disperse air pollutants. This study provides first hand information on UFP and PM1.0 emission levels and a model that can be used in future with large scale time series data to predict the impact of meteorological factors on submicron particle concentrations in the urban atmosphere.

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    • An application of ARIMA model to predict submicron particle concentrations from meteorological factors at a busy roadside in Hangzhou, China
      Jian, Le; Zhao, Yun; Zhu, P.; Zhang, B.; Dean, B. (2012)
      In order to investigate the effect of meteorological factors on submicron particle (ultrafine particle (UFP) and particulate matter 1.0 (PM1.0)) concentrations under busy traffic conditions, a model study was conducted ...
    • A model study of the impact of vehicle density and speed on the concentrations of submicron particles in the urban atmosphere in Hangzhou
      Jian, Le; Zhao, Yun; Zhu, P. (2011)
      Studies focused on the impact of vehicle density and driving speed on the concentrations of submicron particles in the atmosphere are rare. As the majority of submicron particles in the atmosphere come from combustion ...
    • Monitoring fine and ultrafine particles in the atmosphere of a Southeast Chinese city
      Jian, Le; Zhu, Y.; Zhao, Yun (2011)
      There have been few studies on submicron particles in the atmosphere reported from developing countries. With rapid economic development, the size of the road vehicle fleet has increased dramatically in China. The increase ...
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