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Climatology of medium-scale traveling ionospheric disturbances observed by a GPS network in central China

文献类型：期刊论文

作者Ding, Feng1; Wan, Weixing1; Xu, Guirong3; Yu, Tao2; Yang, Guanglin2; Wang, Jing-song2
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2011-09-29
卷号116
ISSN号2169-9380
DOI10.1029/2011JA016545
文献子类Article
英文摘要The 15-month climatology of medium-scale traveling ionospheric disturbances (MSTIDs) during a solar minimum period has been constructed from observations of a dense GPS receiver array in Central China. In total, 793 MSTID events are identified, with peaks in occurrence at 1500 LT and 0100 LT. The occurrence of MSTIDs decreases following an increase in geomagnetic activity, with 46% of the MSTIDS occurring in the daytime. Daytime MSTIDs are characterized by a major occurrence maximum around the winter solstice and by an equatorward propagation direction. The period, phase velocity, azimuth, and amplitude of daytime MSTIDs are 20-60 min, 100-400 m/s, 130 degrees-270 degrees, and 0.8-1.5%, respectively. The remaining 54% of the MSTIDs occurred at night, and were characterized by a peak in occurrence at the summer solstice and by a southwestward propagation direction. The period, phase velocity, azimuth, and amplitude of nighttime MSTIDs are 20-70 min, 50-230 m/s, 170 degrees-300 degrees, and 2-7%, respectively. The propagation directions and the seasonal behaviors support the view that daytime MSTIDs are an ionospheric manifestation of atmospheric gravity waves from the lower atmosphere, while a possible excitation mechanism of nighttime MSTIDs is the electrodynamics process caused by plasma instability in the F layer.
WOS关键词ATMOSPHERIC GRAVITY-WAVES ; MIDLATITUDE F-REGION ; HF DOPPLER ; RADAR OBSERVATIONS ; JET-STREAM ; SPREAD F ; PROPAGATION ; THERMOSPHERE ; GENERATION ; RESOLUTION
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000295532000001
出版者AMER GEOPHYSICAL UNION
资助机构National Natural Science Foundation of China(40974089 ; National Natural Science Foundation of China(40974089 ; National Important Basic Research Project of China(2011CB811405) ; National Important Basic Research Project of China(2011CB811405) ; IHR, CMA(1007) ; IHR, CMA(1007) ; 41131066 ; 41131066 ; 40931056 ; 40931056 ; 40974094) ; 40974094) ; National Natural Science Foundation of China(40974089 ; National Natural Science Foundation of China(40974089 ; National Important Basic Research Project of China(2011CB811405) ; National Important Basic Research Project of China(2011CB811405) ; IHR, CMA(1007) ; IHR, CMA(1007) ; 41131066 ; 41131066 ; 40931056 ; 40931056 ; 40974094) ; 40974094) ; National Natural Science Foundation of China(40974089 ; National Natural Science Foundation of China(40974089 ; National Important Basic Research Project of China(2011CB811405) ; National Important Basic Research Project of China(2011CB811405) ; IHR, CMA(1007) ; IHR, CMA(1007) ; 41131066 ; 41131066 ; 40931056 ; 40931056 ; 40974094) ; 40974094) ; National Natural Science Foundation of China(40974089 ; National Natural Science Foundation of China(40974089 ; National Important Basic Research Project of China(2011CB811405) ; National Important Basic Research Project of China(2011CB811405) ; IHR, CMA(1007) ; IHR, CMA(1007) ; 41131066 ; 41131066 ; 40931056 ; 40931056 ; 40974094) ; 40974094)
源URL[http://ir.iggcas.ac.cn/handle/132A11/73651]  
专题中国科学院地质与地球物理研究所
通讯作者Ding, Feng
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing 100029, Peoples R China
2.China Meteorol Adm, Natl Ctr Space Weather, Beijing 100081, Peoples R China
3.China Meteorol Adm, Inst Heavy Rain, Wuhan 430074, Peoples R China
推荐引用方式
GB/T 7714		 Ding, Feng,Wan, Weixing,Xu, Guirong,et al. Climatology of medium-scale traveling ionospheric disturbances observed by a GPS network in central China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2011,116.
APA Ding, Feng,Wan, Weixing,Xu, Guirong,Yu, Tao,Yang, Guanglin,&Wang, Jing-song.(2011).Climatology of medium-scale traveling ionospheric disturbances observed by a GPS network in central China.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,116.
MLA Ding, Feng,et al."Climatology of medium-scale traveling ionospheric disturbances observed by a GPS network in central China".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116(2011).

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来源：地质与地球物理研究所

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