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The Temporal Variation Characteristics of OI5577 Airglow Intensity and Peak Density of Atomic Oxygen in 2000 and 2001 at 52°N

GAO Hong, XU Jiyao, YUAN Wei, A.V. Mikhalev   

  1. 1, Laboratory for Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080; 2Graduate School, Chinese Academy of Sciences; 3Institute of Solar-Terrestrial Physics, Siberian Branch of the Russian Academy of Sciences, Russia; 4Russian-Chinese Joint Research Center on Space Weather
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-07-15 Published:2006-07-15

Abstract: The nocturnal variation and seasonal variation characteristics of OI5577 airglow intensity in 2000 and 2001 at 52°N are analyzed. By using the method of inversing atomic oxygen peak density from OI5577 intensity, the peak density of atomic oxygen is obtained. The nocturnal variation and seasonal variation characteristics of atomic oxygen peak density are discussed. The results show that the nocturnal variation characteristics of OI5577 airglow intensity change with seasons. In 2000, thepeak intensity appears after 0000 LT in spring, appears at 0000 LT in winter, and appears before 0000LT in summer and autumn. In 2001, the peak intensity appears before 0000LT in spring and autumn, and appears at 0000 LT in summer and winter. There are peaks of 015577 airglow intensity in February, August and October in 2000. In 2001, there is a peak of 015577 airglow intensity in September. As far as the main features are concerned, the nocturnal variation and seasonal variation characteristics of atomic oxygen peak density are consistent with those of 015577 airglow intensity.

Key words: Pressure anisotropy, Lightweight, Load, Support pattern