Volume 33 Issue 1
Jan.  2013
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Zhang Tiemin, Wang Jihong, Fu Jun, Guan Sai, Zhang Fuheng, Shen Zhenjiang, Yang Guotao. Study of sodium layer density over Haikou by Lidar during the night of 4 May 2010[J]. Journal of Space Science, 2013, 33(1): 48-52. doi: 10.11728/cjss2013.01.048
Citation: Zhang Tiemin, Wang Jihong, Fu Jun, Guan Sai, Zhang Fuheng, Shen Zhenjiang, Yang Guotao. Study of sodium layer density over Haikou by Lidar during the night of 4 May 2010[J]. Journal of Space Science, 2013, 33(1): 48-52. doi: 10.11728/cjss2013.01.048

Study of sodium layer density over Haikou by Lidar during the night of 4 May 2010

doi: 10.11728/cjss2013.01.048
  • Received Date: 2011-09-01
  • Rev Recd Date: 2012-05-25
  • Publish Date: 2013-01-15
  • The basic characters of the sodium layer density at a low-latitude location (Haikou, China, 20°N, 110°E) are described from analysis of sodium lidar observation data. A Nd:YAG laser pumped dye laser is used to generate the probing beam. The wavelength of the dye laser is set to 589nm by a sodium fluorescence cell. The energy and divergence of the beam are about 42mJ and 1mrad, respectively. The repetition rate of Nd:YAG laser is 30Hz. The backscattered fluorescence photons from the sodium layer are collected by a telescope with a 1000mm diameter primary mirror. A sodium layer density profile of upper atmosphere is derived from lidar files collected during the night of 4 May 2010 in Haikou, China. In this paper, the relative density and the absolute one for the sodium layer profile are studied. This result, shows a good correlation with that reported by Beatty at Arecibo, Puerto Rico (18°N, 67°W). A sporadic sodium layer is observed and lasted 12 minutes.

     

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