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Seasonal Characteristics and Particle-size Distributions of Particulate Air Pollutants in Urumqi

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  • Xianyong Meng

    (College of Resources and Environmental Science, China Agricultural University (CAU), Beijing 100193, China
    Department of Civil Engineering, The University of Hong Kong (HKU), Pokfulam 999077, Hong Kong, China)

  • Yiping Wu

    (Department of Earth & Environmental Science, Xi’an Jiaotong University, Xi’an 710049, China)

  • Zhihua Pan

    (College of Resources and Environmental Science, China Agricultural University (CAU), Beijing 100193, China)

  • Hao Wang

    (State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin & China Institute of Water Resources and Hydropower Research (IWHR), Beijing 100011, China)

  • Gang Yin

    (School of Resources and Environment Science, Xinjiang University (XJU), Urumqi 830046, China)

  • Honggang Zhao

    (School of Resources and Environment Science, Xinjiang University (XJU), Urumqi 830046, China)

Abstract

Urban particulate air pollution is a known cause of adverse human health effects worldwide. Urumqi is a large oasis city in which rapid urbanization has caused a series of eco-environmental problems including serious air pollution, water shortage, dense population, excess energy consumption, and the creation of an urban heat island, among others. Coal is the most important source of energy and air pollutants that are poorly dispersed into the natural surroundings are the main reasons for serious pollution in the Urumqi urban area. Using differential optical absorption spectroscopy (DOAS), aerosol levels were determined using the double optical path method. We found that aerosol concentrations in Urumqi increased rapidly in winter, and that the concentration of fine particles was much higher than that of coarse particles. The background aerosol concentration was highest in winter in the research area, and the air-flow speed had a significant impact on this because high speed surface winds that correspond to high air flows can transport the aerosol to other places. Some of the observed day-to-night differences may be caused by differing wind directions that transport air masses from different emission sources during the day and the night. Daily and seasonal differences in PM 1.0 concentrations of different grades of polluted air were statistically analyzed using average daily concentration data for particles smaller than 10, 2.5 and 1.0 microns (PM 10 , PM 2.5 and PM 1.0 ), and meteorological observations for Urumqi, Tianshan District in 2010.

Suggested Citation

  • Xianyong Meng & Yiping Wu & Zhihua Pan & Hao Wang & Gang Yin & Honggang Zhao, 2019. "Seasonal Characteristics and Particle-size Distributions of Particulate Air Pollutants in Urumqi," IJERPH, MDPI, vol. 16(3), pages 1-15, January.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:3:p:396-:d:202164
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    References listed on IDEAS

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    1. Chao Zhang & Zhenyu Quan & Qincheng Wu & Zhezhen Jin & Joseph H. Lee & Chunhua Li & Yuxin Zheng & Lianhua Cui, 2018. "Association between Atmospheric Particulate Pollutants and Mortality for Cardio-Cerebrovascular Diseases in Chinese Korean Population: A Case-Crossover Study," IJERPH, MDPI, vol. 15(12), pages 1-12, December.
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    Cited by:

    1. Ondrej Machaczka & Vitezslav Jirik & Viera Brezinova & Adela Vrtkova & Hana Miturova & Petra Riedlova & Andrea Dalecka & Barbara Hermanova & Hana Slachtova & Grzegorz Siemiatkowski & Leszek Osrodka & , 2021. "Evaluation of Fine and Ultrafine Particles Proportion in Airborne Dust in an Industrial Area," IJERPH, MDPI, vol. 18(17), pages 1-14, August.
    2. Mohammad Ruzlan Habib & El Jirie N. Baticados & Sergio C. Capareda, 2022. "Particulate Matter Emission Factors for Dairy Facilities and Cattle Feedlots during Summertime in Texas," IJERPH, MDPI, vol. 19(21), pages 1-17, October.

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