A multi-station satellite radio beacon study of ionospheric variations during total solar eclipses |
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| Affiliation: | 1. Department of Civil and Environmental Engineering and Institute for Catastrophic Loss Reduction, Western University, London, Ontario, Canada;2. Department of Civil and Environmental Engineering, Western University, London, Ontario, Canada;3. Institute for Catastrophic Loss Reduction, 210-20 Richmond St. E., Toronto, Ontario, Canada;1. Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, India;2. Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, CH-5232, Villigen PSI, Switzerland;3. School of Geography, Earth & Environmental Sciences, University of Birmingham, Birmingham, UK;4. Geosciences Division, Physical Research Laboratory, 380009, Ahmedabad, India;5. Centre for Atmospheric Science, Department of Earth and Environmental Science, University of Manchester, Manchester, UK;6. Space and Atmospheric Sciences Division, Physical Research Laboratory, Ahmedabad, 380009, India;7. Department of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, India;8. Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi, India;1. School of Microelectronics, Tianjin University, Tianjin 300072, China;2. Qingdao Institute for Ocean Technology, Tianjin University, Qingdao 266200, China;3. Shandong Engineering Technology Research Center for Marine Information Perception and Transmission, Qingdao 266200, China |
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| Abstract: | Faraday rotation data obtained at Delhi, Kurukshetra, Hyderabad, Bangalore, Waltair, Nagpur and Calcutta during the total solar eclipse of 16 February 1980 and at Delhi during the total solar eclipse of 31 July 1981 have been analysed to detect the gravity waves generated by a total solar eclipse as hypothesized by Chimonas and Hines (1970, J. geophys. Res. 75, 875). It has been found that gravity waves can be generated by a total solar eclipse but their detection at ionospheric heights is critically dependent on the location of the observing station in relation to the eclipse path geometry. The distance of the observing station from the eclipse path should be more than 500 km in order to detect such gravity waves. |
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