期刊
ADVANCES IN SPACE RESEARCH
卷 54, 期 5, 页码 883-895出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.asr.2013.01.010
关键词
Mid-latitude ionosphere; Longitude difference of TEC; Thermospheric wind; Declination; GPS
类别
资金
- Chinese NSFC [41274160, 40890164]
- Ocean Public Welfare Scientific Research Project, SOA of China [201005017]
- International Science & Technology Cooperation Program of China [2011DFA22270]
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [1242204] Funding Source: National Science Foundation
Based on measurements of ground-based GPS station network, differences of the mid-latitude ionospheric TEC in the east and west sides of North America, South America and Oceania have been analyzed in this paper. Results show that for nearly all seasons from 2001 to 2010 and in both sides of the longitudes with zero declination, there exist systematic differences for the mid-latitude ionospheric TEC in the regions mentioned above and the features of these differences markedly depend upon the local time but less depend upon seasons and the level of solar activity. Theory analysis shows that the longitude variations of both declination and zonal thermospheric winds are one of important factors to cause differences of the mid-latitude ionospheric TEC in both sides of the longitudes with zero declination. (C) 2013 COSPAR. Published by Elsevier Ltd. All rights reserved.
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