Gravity wave activity and spectra in the upper mesosphere at Wuhan, China during early March 1996 |
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Authors: | Ai Yong Lu Su Zhang Xunjie Gong Shunsen |
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Affiliation: | (1) College of Electronic Information, Wuhan University, 430072 Wuhan, China;(2) Wuhan Institute of Physics and Mathematics, The Chinese Academy of Science, 430071 Wuhan, China |
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Abstract: | Sodium layers (75–105 km) were measured by Na lidar on three nights from 1 to 3 of March 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 slpoes of −2. 12 in the upper mesosphere when the associated density mean quantity of the day was used. Supported by the Fundation of Chinese Academy of Science Ai Yong: born in 1958, Ph. D. graduate student |
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Keywords: | gravity wave laser radar sodium layer spectrum |
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