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A comparison of GPS-TEC with IRI-TEC at low latitudes in China in 2006
Wan, Qingtao; Ma, Guanyi; Li, Jinghua; Wang, Xiaolan; Fan, Jiangtao; Li, Qi; Lu, Weijun
2017-07-15
发表期刊ADVANCES IN SPACE RESEARCH
卷号60期号:2页码:250-256
摘要A comparison between GPS derived total electron content (TEC) and IRI-2012 is studied at low latitudes in China in 2006. 4 GPS receivers form a small scale GPS network, and the spatial coverage starts at (26.1 degrees N, 119.3 degrees E) and ends at (22.8 degrees N, 108.3 degrees E), the corresponding magnetic coordinate is from (19.6 degrees N, 191.6 degrees E) to (16.2 degrees N, 180.4 degrees E). The network covers a region at or near the northern crest of the equatorial anomaly with similar to 11 degrees and similar to 3 degrees in longitude and latitude, respectively. The GPS-TEC is computed with the grid based method. The ABT-2009 and NeQuick are selected for the bottomside and topside profile model for IRI-2012. There are similar monthly and seasonal variation trends between GPS-TEC and IRI-TEC in 2006, while the peak value of GPS-TEC and IRI-TEC appear at different times. The IRI-TEC is almost larger than GPS-TEC at day time, while the difference is small at night time. The largest difference between GPS-TEC and IRI-TEC can reach 16.5 TECU, and the ratio of the largest difference and GPS-TEC is about 65%. The largest latitudinal gradient of GPS-TEC at 22-24 degrees N was 5 TECU/deg, while that of IRI-TEC was 2.5 TECU/deg. These above results indicate that the IRI-2012 can reproduce the TEC variation trends at low latitudes in China, but the IRI-2012 overestimates the GPS-TEC at day time in this region. (C) 2016 COSPAR. Published by Elsevier Ltd. All rights reserved.
文章类型Article
关键词Ionosphere Gps Iri-2012 Tec Grid-based Method
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(11473045 ; National Natural Science Foundation of China(11473045 ; National key Research Program of China(2016YFB0501900) ; National key Research Program of China(2016YFB0501900) ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; 11403045 ; 11403045 ; 11503040) ; 11503040) ; National Natural Science Foundation of China(11473045 ; National Natural Science Foundation of China(11473045 ; National key Research Program of China(2016YFB0501900) ; National key Research Program of China(2016YFB0501900) ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; 11403045 ; 11403045 ; 11503040) ; 11503040)
DOI10.1016/j.asr.2016.12.002
关键词[WOS]MODELS ; B0
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11473045 ; National Natural Science Foundation of China(11473045 ; National key Research Program of China(2016YFB0501900) ; National key Research Program of China(2016YFB0501900) ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; 11403045 ; 11403045 ; 11503040) ; 11503040) ; National Natural Science Foundation of China(11473045 ; National Natural Science Foundation of China(11473045 ; National key Research Program of China(2016YFB0501900) ; National key Research Program of China(2016YFB0501900) ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; 11403045 ; 11403045 ; 11503040) ; 11503040)
WOS研究方向Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS类目Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000404318900006
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8827
专题应用天文研究部
作者单位Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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GB/T 7714
Wan, Qingtao,Ma, Guanyi,Li, Jinghua,et al. A comparison of GPS-TEC with IRI-TEC at low latitudes in China in 2006[J]. ADVANCES IN SPACE RESEARCH,2017,60(2):250-256.
APA Wan, Qingtao.,Ma, Guanyi.,Li, Jinghua.,Wang, Xiaolan.,Fan, Jiangtao.,...&Lu, Weijun.(2017).A comparison of GPS-TEC with IRI-TEC at low latitudes in China in 2006.ADVANCES IN SPACE RESEARCH,60(2),250-256.
MLA Wan, Qingtao,et al."A comparison of GPS-TEC with IRI-TEC at low latitudes in China in 2006".ADVANCES IN SPACE RESEARCH 60.2(2017):250-256.
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