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A conjugate study of the polar ionospheric F2-layer and IRI-2007 at 75°magnetic latitude for solar minimum

【标题】A conjugate study of the polar ionospheric F2-layer and IRI-2007 at 75°magnetic latitude for solar minimum

【Title】A conjugate study of the polar ionospheric F2-layer and IRI-2007 at 75°magnetic latitude for solar minimum

【DOI】10.3724/SP.J.1085.2011.00175

【作者】 何昉; 张北辰; 黄德宏; Joran Moen

【Author】 He fang ; Zhang Beichen ; Huang Dehong ; Joran Moen

【期刊】极地研究

【Journal】

【期刊年份】2011

【卷】22

【期】3

【关键词】 electron precipitation

【Keywords】 Solar minimum; polar ionosphere; IRI; electron precipitation

【摘要】Long duration observational run by the EISCAT Svalbard Radar (ESR) and ionosonde in Zhongshan station which are at conjugated location during International Polar Year (IPY) in solar minimum, have been analyzed with respect to variability in the F2-layer peak parameters. The comparison between the International Reference Ionosphere (IRI-2007) and the observation data clearly demonstrates the conformity in summer, but greater deviation in winter. It suggested that though the IRI model considered the F2 peak parameters dominated by the solar photoionization well, the electron precipitation effects should be taken into account as well, especially in winter.

【Abstract】Long duration observational run by the EISCAT Svalbard Radar (ESR) and ionosonde in Zhongshan station which are at conjugated location during International Polar Year (IPY) in solar minimum, have been analyzed with respect to variability in the F2-layer peak parameters. The comparison between the International Reference Ionosphere (IRI-2007) and the observation data clearly demonstrates the conformity in summer, but greater deviation in winter. It suggested that though the IRI model considered the F2 peak parameters dominated by the solar photoionization well, the electron precipitation effects should be taken into account as well, especially in winter.

【基金/项目】 海洋公益性行业专项 ; 国家海洋局青年海洋科学基金 ; 国家重点基础研究发展计划(973计划) ; 中国极地科学战略研究基金 ; 极区电离层南北极对比研究 ; 极区能量沉积过程及其对120E子午面电离层影响的研究

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