Diurnal variations in F2 peak density and ionization flux above Tahiti |
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| Institution: | 1. Center for Environment, Health and Welfare Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea;2. Semiconductor & Memory Business, Samsung Electronics, San-16 Banwol-dong, Hwasungsi, Gyunggi-do 445-330, Republic of Korea;3. University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 305-303, Republic of Korea;1. Food Health Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran;2. Environmental Health Research Center, Department of Environmental Health Engineering, Faculty of Health, Golestan University of Medical Sciences, Gorgan, Iran;3. School of Health, Arak University of Medical Sciences, Arak, Iran;4. Environmental Health Engineering Research Center, Kerman University of Medical Sciences, Kerman, Iran;5. Department of Environmental Health Engineering, Faculty of Public Health, Kerman University of Medical Sciences, Kerman, Iran;6. Department of Health in Disaster and Emergencies, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran;7. Department of Civil Engineering, College of Engineering, King Khalid University, Abha, 61421, Saudi Arabia;8. Department of Civil Engineering, High Institute of Technological Studies, Mrezgua University Campus, Nabeul, 8000, Tunisia;9. HUTECH University, 475A, Dien Bien Phu, Ward 25, Binh Thanh District, Ho Chi Minh City, Viet Nam;10. Ho Chi Minh City University of Food Industry (HUFI), 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, Viet Nam;11. Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil |
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| Abstract: | The effects of composition and ionization fluxes on the diurnal variation of NmF2 at an equatorial anomaly zone station (Tahiti) are separated. The calculated diurnal variation of the fluxes agrees well with what would be expected from published equatorial E × B drift observations and global neutral wind models. A correlation analysis shows that lower hmF2 is often accompanied by larger NmF2, in spite of a much larger recombination rate. This illustrates the dominance of the fountain effect and neutral wind induced interhemispheric transport at this station. |
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