Optical signatures of lightning-induced heating of the D region

Details Optical signatures of lightning-induced heating of the D region Optical signatures of lightning-induced heating of the D region

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19.1815t&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 19, no. 18, p. 1815-1818.

Physics

11

Atmospheric Heating, Atmospheric Radiation, D Region, Light Emission, Lightning, Night, Emission Spectra, Nitrogen Ions, Oxygen Atoms, Oxygen Ions

Scientific paper

Lightning-induced heating of the nighttime D region leads to the excitation of a number of lines of O, O2, N2, O2(+), and N2(+), at intensities of 10-10 exp 9 Rayleighs (R) for vertical observations. For example, the 5577 A emission from O has intensity about 60 R lasting for about 350 ms while the 1st and 2nd positive bands of N2 are at about 10 exp 9 R but last only about 50 microsecs.

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