The rarity of terrestrial gamma‐ray flashes
作者： D. M. Smith , J. R. Dwyer , B. J. Hazelton , B. W. Grefenstette , G. F. M. Martinez-McKinney
DOI: 10.1029/2011GL046875
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摘要: We report on the first search for Terrestrial Gamma-ray Flashes (TGFs) from altitudes where they are thought to be produced. The Airborne Detector Energetic Lightning Emissions (ADELE), an array of gamma-ray detectors, was flown near tops Florida thunderstorms in August/September 2009. plane passed within 10 km horizontal distance 1213 lightning discharges and only once detected a TGF. If these had produced TGFs same intensity as those seen space, every one should have been by ADELE. Separate significant nondetections established intracloud lightning, negative cloud-to-ground narrow bipolar events. conclude that not primary triggering mechanism lightning. estimate TGF-to-flash ratio order 10^(−2) 10^(−3) show TGF intensities cannot follow well-known power-law distribution earthquakes solar flares, due our limits presence faint
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