Schumann Resonances and Worldwide Thunderstorm Activity
نویسندگان
چکیده
منابع مشابه
Schumann Resonances in Lightning Research
Schumann resonances (SR) are global electromagnetic resonances excited primarily by lightning discharges. This review is aimed at the reader generally unfamiliar with Schumann resonances. Our goal is to give some historical context to SR research, and to show the extensive use of Schumann resonances in a variety of lightning-related studies in recent years, ranging from estimates of the spatial...
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SIDEBAR: Lewis B. Hainsworth of Western Australia first recognized the relationship of brain wave frequencies to naturally circulating rhythmic signals, known as Schumann's Resonances (SR), in the space between the surface of the earth and the ionosphere. Hainsworth imparted this awareness to Dr. Robert O. Becker, noted electromagnetics pollution expert, and to Harvard neurologists as early as ...
متن کاملELF Electromagnetic Waves from Lightning: The Schumann Resonances
Lightning produces electromagnetic fields and waves in all frequency ranges. In the extremely low frequency (ELF) range below 100 Hz, the global Schumann Resonances (SR) are excited at frequencies of 8 Hz, 14 Hz, 20 Hz, etc. This review is aimed at the reader generally unfamiliar with the Schumann Resonances. First some historical context to SR research is given, followed by some theoretical ba...
متن کاملFDTD analysis of Schumann resonances for realistic subionospheric waveguide models
The space formed by the ground and ionosphere is known to act as a resonator for extremely low frequency (ELF) waves. Lightning discharges trigger this global resonance, which is known as Schumann resonances at the frequencies of 8, 14, 20Hz etc. Even though the inhomogeneity (like day-night asymmetry, local perturbation etc.) is important for such subionospheric ELF propagation, the previous a...
متن کاملPower variations of Schumann resonances related to El Niño and La Niña phenomena
[1] A three dimensional Finite Difference Time Domain (FDTD)model of the Earth-ionosphere cavitywith the realistic conductivity profile is employed to study the intensity variations of Schumann resonances (SR) associated with the El Niño and La Niña phenomena. Comparison of the results derived from our FDTD model and the previous studies by other authors on related subjects shows that the inten...
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ژورنال
عنوان ژورنال: Journal of geomagnetism and geoelectricity
سال: 1969
ISSN: 0022-1392
DOI: 10.5636/jgg.21.447