Volume 32 Issue 4
Jul.  2012
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KONG Qingyan, CHEN Yue, LIU Wen, FAN Junmei. Investigation on Es Properties in Representative Region of China[J]. Chinese Journal of Space Science, 2012, 32(4): 506-512. doi: 10.11728/cjss2012.04.506
Citation: KONG Qingyan, CHEN Yue, LIU Wen, FAN Junmei. Investigation on Es Properties in Representative Region of China[J]. Chinese Journal of Space Science, 2012, 32(4): 506-512. doi: 10.11728/cjss2012.04.506

Investigation on Es Properties in Representative Region of China

doi: 10.11728/cjss2012.04.506 cstr: 32142.14.cjss2012.04.506
  • Received Date: 2011-04-06
  • Rev Recd Date: 2011-11-27
  • Publish Date: 2012-07-15
  • In this paper, the characteristics of sporadic E layer (Es) is discussed, using data measured from China vertical stations of Haikou (20.02°N, 110.20°E), Lhasa (29.39°N, 91.08°E) and Changchun (43.54°N, 125.19°E) for one solar period between January 1976 and December 1986. The diurnal, seasonal and solar activity variations of Es occurrence probability with critical frequencies greater than several special values (f0Es > 3, 5, 7, 9MHz) are discussed. The obscure property is also analyzed. The results show that: the most significant occurrence probability presented during daytime in summer months, and does not depend significantly on solar activity. The distribution regularity is of great difference with different stations, and in most cases, Lhasa has the biggest occurrence probability. As to the blanketing property, three stations also have different distribution characteristics, except for that the obscure probability in summer is bigger than other seasons and is bigger in solar minimum than solar maximum too.

     

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