Investigation of ionospheric TEC over China based on GNSS data

doi:10.1016/j.asr.2016.05.033

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 中国科学院地球与行星物理重点实验室

	Investigation of ionospheric TEC over China based on GNSS data
	Xiong, Bo 1,2,3; Wan, Weixing 3,4; Yu, You 3,4; Hu, Lianhuan 3,4
刊名	ADVANCES IN SPACE RESEARCH
	2016-09-15
卷号	58 期号:6 页码:867-877
关键词	Ionosphere Total electron content GNSS
DOI	10.1016/j.asr.2016.05.033
文献子类	Article
英文摘要	In this paper, the ionospheric total electron content (TEC) is derived from 250 Global Navigation Satellite Systems (GNSS) receivers over China. The GNSS TEC data are utilized to study the diurnal and day-to-day variability of ionosphere, ionospheric east west differences and to construct regional ionospheric map. The GNSS TEC curves clearly show sunrise and sunset enhancements in the diurnal variation. The peak value of TEC is lower in January 2015 than in May 2014. There is 2 h difference in the occurrence time of TEC maximum/minimum between May and January. Compared with the observations of Global Positioning System (GPS) and Global Navigation Satellite System (GLONASS), the measurements from the Geostationary Earth Orbit (GEO) satellites of BeiDou Navigation Satellite System (BDS) clearly present the ionospheric day-to-day variability and east west differences in a region with small longitude differences (3.52-11.31 degrees). The east west differences in TEC are more obvious in larger longitude differences at 11:30 local time on 23 January 2015. The maximum east west difference in TEC is about 7 total electron content unit (TECU, 1 TECU =10(16) el m(-2)) in longitude difference of 11.31 degrees. Our analysis shows that the TEC for east west small longitude differences may be associated with the east west gradient of geomagnetic declination. Based on 250 GNSS stations, a regional TEC map constructed by Kriging method can well capture the main spatial structure of ionosphere in China. A comparison between TEC maps obtained by Kriging method and provided by Jet Propulsion Laboratory displays that there are large deviations in the North of China, which is mainly caused by the difference in the number of used GNSS stations. In addition, comprehensive investigation presents that GNSS has more advantages over GPS and GLONASS in the ionosphere research over China. (C) 2016 COSPAR. Published by Elsevier Ltd. All rights reserved.
WOS关键词	TOTAL ELECTRON-CONTENT ; WORLDWIDE GPS NETWORK ; TO-DAY VARIABILITY ; MAPPING TECHNIQUE ; DISTURBANCES ; EQUATORIAL ; F2-LAYER ; DENSITY ; MODELS ; REGION
WOS研究方向	Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
语种	英语
WOS记录号	WOS:000381837900005
资助机构	National Natural Science Foundation of China(41404127 ; National Natural Science Foundation of China(41404127 ; China Postdoctoral Science Foundation(2014T70118) ; China Postdoctoral Science Foundation(2014T70118) ; Specialized Research Fund for State Key Laboratories, the Chinese Academy of Sciences(KZZD-EW-01-2) ; Specialized Research Fund for State Key Laboratories, the Chinese Academy of Sciences(KZZD-EW-01-2) ; National Important Basic Research Project of China(2011CB811405) ; National Important Basic Research Project of China(2011CB811405) ; National High Technology Research and Development Program of China (863 Program)(2014AA123503) ; National High Technology Research and Development Program of China (863 Program)(2014AA123503) ; 41574151 ; 41574151 ; 41574162) ; 41574162) ; National Natural Science Foundation of China(41404127 ; National Natural Science Foundation of China(41404127 ; China Postdoctoral Science Foundation(2014T70118) ; China Postdoctoral Science Foundation(2014T70118) ; Specialized Research Fund for State Key Laboratories, the Chinese Academy of Sciences(KZZD-EW-01-2) ; Specialized Research Fund for State Key Laboratories, the Chinese Academy of Sciences(KZZD-EW-01-2) ; National Important Basic Research Project of China(2011CB811405) ; National Important Basic Research Project of China(2011CB811405) ; National High Technology Research and Development Program of China (863 Program)(2014AA123503) ; National High Technology Research and Development Program of China (863 Program)(2014AA123503) ; 41574151 ; 41574151 ; 41574162) ; 41574162)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/53335]
专题	地质与地球物理研究所_中国科学院地球与行星物理重点实验室
作者单位	1.North China Elect Power Univ, Sch Math & Phys, Baoding 071003, Peoples R China 2.Chinese Acad Sci, Sate Key Lab Space Weather, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China 4.19 Beitucheng Western Rd, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Xiong, Bo,Wan, Weixing,Yu, You,et al. Investigation of ionospheric TEC over China based on GNSS data[J]. ADVANCES IN SPACE RESEARCH,2016,58(6):867-877.
APA	Xiong, Bo,Wan, Weixing,Yu, You,&Hu, Lianhuan.(2016).Investigation of ionospheric TEC over China based on GNSS data.ADVANCES IN SPACE RESEARCH,58(6),867-877.
MLA	Xiong, Bo,et al."Investigation of ionospheric TEC over China based on GNSS data".ADVANCES IN SPACE RESEARCH 58.6(2016):867-877.