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Lidar observations of gravity wave activity and spectra in the mesopause region at Wuhan, China

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Abstract

Sodium layers (75–105 km) were measured by Na lidar on three nights during March 1–3, 1996. The lidar data were used to calculate the relative atmospheric density perturbations and their spectra. The average r. m. s. density perturbations for early March at Wuhan are 5 %. The vertical wave number spectra exhibit power-law shapes with an average slope of -2.23 in the upper mesosphere when the associated mean density quantity of the day was used.

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Authors and Affiliations

  1. Department of Space Physics, Wuhan University, 430072, Wuhan, China

    Yong Ai & Shu Lu

  2. Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, 430071, Wuhan, China

    Xunjie Zhang & Shunsheng Gong

Authors
  1. Yong Ai
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  2. Shu Lu
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  3. Xunjie Zhang
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  4. Shunsheng Gong
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Ai, Y., Lu, S., Zhang, X. et al. Lidar observations of gravity wave activity and spectra in the mesopause region at Wuhan, China. Sci. China Ser. A-Math. 42, 192–197 (1999). https://doi.org/10.1007/BF02876571

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  • DOI: https://doi.org/10.1007/BF02876571

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