期刊
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
卷 73, 期 17-18, 页码 2437-2443出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jastp.2011.10.009
关键词
Traveling ionospheric disturbances; Solar terminators; Magnetic disturbances
资金
- Natural Science and Engineering Research Council of Canada
The occurrence of Traveling Ionospheric Disturbances (TIDs) at a midlatitude location (London, Canada, 43 degrees N, 81 degrees W) has been examined using data recorded by standard 5 min ionograms during the year 2000. It is found that the dominant source of TIDs during daytime appears to be the sunrise terminator but during nighttime the sunset terminator and magnetic disturbances both contribute to the TIDs. The daytime TIDs show a weak semiannual variation with maxima in solstices. The nighttime TIDs show insignificant annual variation. (C) 2011 Elsevier Ltd. All rights reserved.
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