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Article >  Journal of Tropical Meteorology  > 1999 >  5(1): 98-105

RADIATION OF ALL WAVELENGTHS ON FINE WINTER DAYS INSIDE AND OUTSIDE LOW-LATITUDE CITIES OVER PLATEAU

  • Division of Forest Ecology, Xishuanbanna Botanical Garden, Aca. Sci. Sin. Kunming, 630223

  • Archives Department of Yunnan Province, Kunming, 650032

Funding:

  • The observation of radiation of different wavelengths was conducted in the urban and rural areas of Kunming City. The main results for clear days obtained in this paper are summarized as follows. (1) In the urban area.the fluctuation of radiation of different wave length are larger in the urban area due to strong effect of pollution.The radiation (difference and ratio between urban and rural areas) is lesser in the urban than in the rural areas.The difference is outstanding in the morning when the pollution is strong. (2) In the urban area of cities on low.latitude plateau, percentage of radiation of different wavelengths in total radiation differ between the morning and afternoon on fine winter days, so do that between the urban and rural areas and relevant variations, and the difference is most substantial at the time before midday when the air pollution is serious. (3) The difference between the urban and rural areas also exists for the diurnal total, totals for the time before and after midday in radiation of all wavelengths under the same sky conditions.
  • [1] China Environmental Yearly Books Editorial Committee (C.E.Y.E. 1995. Environmental Yearly Rooks of China 95 (in Chinese), Beijing: China Environmental Yearly Books Press, 168-171.
    [2] Huang Risheng, Wang Xiawen, Chen Mingseng, et al., 1988. Research report on the biological environment and economy in the Dianchi region. In: A measurement report on the urban heat-island and atmospheric quality in Kunming (in Chinese). Kunming: Science Press of Yunnan, 131-148.
    [3] Kunming Planning and Design Management (K.P.D.M.), 1982. An account for the overall plannine of the urban area of Kunming (1981-2000) (in Chinese), 6-7.
    [4] Maurin C H, Parisien L C, 1947. Presses Univ., 163.
    [5] Oke T R, 1978. Boundary layer climates, Methuen&Co. Ltd., 512.
    [6] Pan Shouwen, 1989 (the compiler]. The theoretic foundation of micro-climate survey and its application (in Chinese), Beijing: China Meteorological Press. 53.
    [7] Stair R, 1967. The measurement of solar radiation, with principal emphasis on the ultraviolet component, Int. J Air Water Poll., 10: 665-686.
    [8] Yunnan Statistics Bureau (Y.S.B.), 1995. Statistical Yearly Book of Yunnan (1995) (in Chinese), Beijing: China Statistics Press, 515-549.
    [9] Zhou Shujing, Shu Jiong, 1994 [the compilers]. Urban Climatology (in Chinese), Beijing: China Meteorological Press, 116-193.
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Zhang Yiping, Li Yourong, Zhang Qingping. RADIATION OF ALL WAVELENGTHS ON FINE WINTER DAYS INSIDE AND OUTSIDE LOW-LATITUDE CITIES OVER PLATEAU [J]. Journal of Tropical Meteorology, 1999, 5(1): 98-105.
Zhang Yiping, Li Yourong, Zhang Qingping. RADIATION OF ALL WAVELENGTHS ON FINE WINTER DAYS INSIDE AND OUTSIDE LOW-LATITUDE CITIES OVER PLATEAU [J]. Journal of Tropical Meteorology, 1999, 5(1): 98-105.
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    • Manuscript History

    Manuscript received: 02 September 1997
    Manuscript revised: 12 May 1998
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    RADIATION OF ALL WAVELENGTHS ON FINE WINTER DAYS INSIDE AND OUTSIDE LOW-LATITUDE CITIES OVER PLATEAU

    • Division of Forest Ecology, Xishuanbanna Botanical Garden, Aca. Sci. Sin. Kunming, 630223
    • Archives Department of Yunnan Province, Kunming, 650032
    • Received Date: 1997-09-02
    • Rev Recd Date: 1998-05-12

    Abstract: The observation of radiation of different wavelengths was conducted in the urban and rural areas of Kunming City. The main results for clear days obtained in this paper are summarized as follows. (1) In the urban area.the fluctuation of radiation of different wave length are larger in the urban area due to strong effect of pollution.The radiation (difference and ratio between urban and rural areas) is lesser in the urban than in the rural areas.The difference is outstanding in the morning when the pollution is strong. (2) In the urban area of cities on low.latitude plateau, percentage of radiation of different wavelengths in total radiation differ between the morning and afternoon on fine winter days, so do that between the urban and rural areas and relevant variations, and the difference is most substantial at the time before midday when the air pollution is serious. (3) The difference between the urban and rural areas also exists for the diurnal total, totals for the time before and after midday in radiation of all wavelengths under the same sky conditions.

    Zhang Yiping, Li Yourong, Zhang Qingping. RADIATION OF ALL WAVELENGTHS ON FINE WINTER DAYS INSIDE AND OUTSIDE LOW-LATITUDE CITIES OVER PLATEAU [J]. Journal of Tropical Meteorology, 1999, 5(1): 98-105.
    Citation: Zhang Yiping, Li Yourong, Zhang Qingping. RADIATION OF ALL WAVELENGTHS ON FINE WINTER DAYS INSIDE AND OUTSIDE LOW-LATITUDE CITIES OVER PLATEAU [J]. Journal of Tropical Meteorology, 1999, 5(1): 98-105.
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