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Article >  Journal of Tropical Meteorology  > 1996 >  2(2): 181-188

ATMOSPHERIC TURBULENCE INTENSITY AND DIFFUSION PARAMETER OVER COMPLICATED TOPOGRAPHY OF EASTERN GUANGDONG

  • Guangzhou Institute of Tropical and Oceanic Meteorology, Guangzhou, 510080

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  • Based on observations by a dual-theodolite anemometer tracking balanced balloons and an American Gill UVW anemograph for complicated underlying surface in Meizhou, eastern Guangdong, turbulent fluctuations of the Lagrangian and Eulerian systems are determined for the area. Following the Taylor formular in respect to a few reference frames, horizontal and vertical turbulence intensity and atmospheric diffusion parameters σy and σx are then computed and compared with those obtained by the PG method and BNL experiments. It is found that within heights less than 100 m above the ground σy and σx are larger than values of PG and BNL with all conditions of stability and stratification.
  • [1] Li Zongkai,Pan Yunxian, Xun Runqiao,1985. Meteorological principles of air pollution and application. Beijing:Meteorological Press. 145-162,222-279.
    [2] Xiang Kezong, 1991. Content of atmospheric environment for areas of complicated topography. Scientia Atmospherics Sinica,15:111-119
    [3] Xu Yumao,Zhou Chaofu,Li Zhenhua et al.,1993. Microphysical structure and spectral characteristics of the near-surface atmosphere in Guangzhou. Scientia Atmospherics Sinica, 17:338-348.
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Wu Yanbiao, Liu Shuwang, Yang Jihong. ATMOSPHERIC TURBULENCE INTENSITY AND DIFFUSION PARAMETER OVER COMPLICATED TOPOGRAPHY OF EASTERN GUANGDONG [J]. Journal of Tropical Meteorology, 1996, 2(2): 181-188.
Wu Yanbiao, Liu Shuwang, Yang Jihong. ATMOSPHERIC TURBULENCE INTENSITY AND DIFFUSION PARAMETER OVER COMPLICATED TOPOGRAPHY OF EASTERN GUANGDONG [J]. Journal of Tropical Meteorology, 1996, 2(2): 181-188.
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    • Manuscript History

    Manuscript received: 28 December 1995
    Manuscript revised: 07 January 1996
    通讯作者: 陈斌, bchen63@163.com
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    ATMOSPHERIC TURBULENCE INTENSITY AND DIFFUSION PARAMETER OVER COMPLICATED TOPOGRAPHY OF EASTERN GUANGDONG

    • Guangzhou Institute of Tropical and Oceanic Meteorology, Guangzhou, 510080
    • Received Date: 1995-12-28
    • Rev Recd Date: 1996-01-07

    Abstract: Based on observations by a dual-theodolite anemometer tracking balanced balloons and an American Gill UVW anemograph for complicated underlying surface in Meizhou, eastern Guangdong, turbulent fluctuations of the Lagrangian and Eulerian systems are determined for the area. Following the Taylor formular in respect to a few reference frames, horizontal and vertical turbulence intensity and atmospheric diffusion parameters σy and σx are then computed and compared with those obtained by the PG method and BNL experiments. It is found that within heights less than 100 m above the ground σy and σx are larger than values of PG and BNL with all conditions of stability and stratification.

    Wu Yanbiao, Liu Shuwang, Yang Jihong. ATMOSPHERIC TURBULENCE INTENSITY AND DIFFUSION PARAMETER OVER COMPLICATED TOPOGRAPHY OF EASTERN GUANGDONG [J]. Journal of Tropical Meteorology, 1996, 2(2): 181-188.
    Citation: Wu Yanbiao, Liu Shuwang, Yang Jihong. ATMOSPHERIC TURBULENCE INTENSITY AND DIFFUSION PARAMETER OVER COMPLICATED TOPOGRAPHY OF EASTERN GUANGDONG [J]. Journal of Tropical Meteorology, 1996, 2(2): 181-188.
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