| 基于GPS观测分析青岛地区电离层板厚变化特性 |
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| 引用本文： | 周育锋,李世诚,冯健.基于GPS观测分析青岛地区电离层板厚变化特性[J].全球定位系统,2019,44(1):113-118. |
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| 作者姓名： | 周育锋 李世诚 冯健 |
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| 作者单位： | 1.北京应用气象研究所,北京 100029 |
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| 摘 要： | 基于青岛站2000年8月至2006年4月间半个太阳活动周的GPS和测高仪的同步观测,提取期间的电离层TEC和f_oF_2的小时观测数据,联合分析该地区电离层板厚的日变化、季节变化和随太阳活动变化,研究表明青岛地区电离层板厚在日出前时段出现明显的增强峰,并随季节和太阳活动呈现出较复杂的变化关系.利用板厚的相对偏差,探讨了电离层板厚扰动变化分布特征.
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| 关 键 词： | 电离层 总电子含量 F2层临频 电离层板厚 |
Variation of ionospheric slab thickness analysis using GPS observations at Qingdao |
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| ZHOU Yufeng,LI Shicheng,FENG Jian.Variation of ionospheric slab thickness analysis using GPS observations at Qingdao[J].Gnss World of China,2019,44(1):113-118. |
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| Authors: | ZHOU Yufeng LI Shicheng FENG Jian |
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| Affiliation: | (Beijing Institute of Applied Meteorology, Beijing 100029, China;Military Representative Office of Special Support Equipments in Jinzhou, PLA Rocket Force, Tianjin 300000, China;China Research Institute of Radiowave Propagation, Qingdao 266107, China) |
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| Abstract: | The slab thickness is an important ionospheric parameter and is defined as the ratio of the total electron content (TEC) to the F2-layer peak electron density (NmF2). The variation of ionospheric slab thickness is analyzed by using GPS and ionosonde observations from August 2000 to April 2006 at Qingdao (120.3oE, 36.0o N). An enhanced peak of slab thickness occurs around 04-06LT in different season and solar activity. The slab thickness changes mainly between 200 and 500 kilometers. The slab thickness is greater for day-time in summer and for night-time in winter. The slab thickness of day-time reduces with the degradation of solar activity at same season, but the one of night-time changes less between high and low solar activities. Moreover, analyzes the distribution of the relative deviation of slab thickness and finds the perturbation of slab thickness happens easier in night-time than day-time. |
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| Keywords: | ionosonde TEC ionospheric slab thickness foF2 |
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