2000年和2001年52°N地区OI5577气辉强度与原子氧浓度峰值的时间变化特征
doi: 10.11728/cjss2006.04.250 cstr: 32142.14.cjss2006.04.250
The Temporal Variation Characteristics of OI5577 Airglow Intensity and Peak Density of Atomic Oxygen in 2000 and 2001 at 52°N
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摘要: 分析了2000年和2001年期间52°N地区OI5577气辉强度的夜间变化特征和季节变化特征.利用由OI5577气辉强度反演原子氧浓度峰值的方法反演出原子氧浓度的峰值,分析了峰值的夜间变化特征和季节变化特征.结果表明,OI5577气辉强度的夜间变化特征随季节变化,2000年春季的夜间强度最大值出现在0000 LT之后,夏季和秋季的出现在0000LT之前,冬季的出现在0000LT,2001年春季和秋季的夜间强度最大值出现在0000LT之前,夏季和冬季的出现在0000LT;OI5577气辉强度在2000年2月份,8月份和10月份出现最大值,在2001年9月份有最大值.就主要特征而言,反演出的原子氧浓度峰值的夜间变化特征和季节变化特征分别与OI5577气辉强度的一致.
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关键词:
- OI5577气辉强度 /
- 原子氧浓度 /
- 夜间变化特征 /
- 季节变化特征
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. -
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