Makale detayı · 2010
Geolocation of terrestrial gamma ray flash source lightning
- Yıl
- 2010
- Tür
- article
Veri kaynağı ayrımı
- YÖKSİS YÖKSİS makale kaydı
- YÖKSİS dergi adı GEOPHYSICAL RESEARCH LETTERS
- Katalog eşleşmesi (ISSN) Geophysical Research Letters
- OpenAlex OpenAlex zenginleştirmesi (özet, atıf, konular)
Özet
OpenAlex · İngilizce
Terrestrial gamma‐ray flashes (TGFs) are impulsive (∼1 ms) but intense sources of gamma‐rays associated with lightning activity and typically detected via low orbiting spacecrafts. We present the first catalog of precise (<30 km error) TGF source locations, determined via ground‐based detection of ELF/VLF radio atmospherics (or sferics) from lightning discharges, which enables precise geolocation of lightning locations. We present the distribution of source‐to‐nadir distances, established due to effects of Compton scattering on the escaping photons. We find that TGFs occur in coincidence with the lightning discharge, but with a few ms variance, and that a detectable sferic at long distances is nearly always present. The properties of TGF‐associated sferics and their connection to multiple‐peak TGFs are highly variable and inconsistent, and are classified into two categories.
Konular
Atıflar
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