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A simulation study of the influence of soft precipitating electrons on the polar ionosphere

【标题】A simulation study of the influence of soft precipitating electrons on the polar ionosphere

【Title】A simulation study of the influence of soft precipitating electrons on the polar ionosphere

【作者】 张北辰; 刘瑞源; 刘顺林; 贺龙松

【Author】 Zhang Beichen ; Liu Ruiyuan ; Liu Shunlin ; He Longsong

【期刊】极地研究

【Journal】

【期刊年份】1999

【卷】10

【期】

【关键词】 ionosphere; simulation; soft precipitating electron

【Keywords】 ionosphere; simulation; soft precipitating electron

【摘要】Calculation of the influence of soft precipitating electrons on the polar ionosphere was carried out. The primary results are: (1) During summer time when the sunlight is the main source of upper atmosphere ionization, the additional soft electron precipitation can increase the N m F 2 . The daily variation of N m F 2 is mainly controlled by solar EUV radiation. (2) At wintertime, when only soft electron precipitation ionization is considered, a peak at the height of F 2 layer also appears. The altitude profile of electron density is different frorn that when the sunlit ionization is taken into account.

【Abstract】Calculation of the influence of soft precipitating electrons on the polar ionosphere was carried out. The primary results are: (1) During summer time when the sunlight is the main source of upper atmosphere ionization, the additional soft electron precipitation can increase the N m F 2 . The daily variation of N m F 2 is mainly controlled by solar EUV radiation. (2) At wintertime, when only soft electron precipitation ionization is considered, a peak at the height of F 2 layer also appears. The altitude profile of electron density is different frorn that when the sunlit ionization is taken into account.

【基金/项目】

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