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Optical signatures of lightning‐Induced heating of the D region
Author(s) -
Taranenko Y. N.,
Inan U. S.,
Bell T. F.
Publication year - 1992
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/92gl02106
Subject(s) - lightning (connector) , excitation , physics , intensity (physics) , atmospheric sciences , airglow , meteorology , atomic physics , geology , optics , power (physics) , quantum mechanics
Lightning‐induced heating of the nighttime D region leads to the excitation of a number of lines of O, O 2 , N 2 , at intensities of 10–10 9 Rayleighs (R) for vertical observations. For example, the 5577 Å emission from O has intensity ∼60 R lasting for ∼350 ms while the 1st and 2nd positive bands of N 2 are at ∼10 9 R but last only ∼50μs.
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