Behavior of H I 656.3 nm and forbidden-line O I 630 nm emissions in the upper atmosphere during magnetic storms with a sudden commencement

Details Behavior of H I 656.3 nm and forbidden-line O I 630 nm emissions in the upper atmosphere during magnetic storms with a sudden commencement Behavior of H I 656.3 nm and forbidden-line O I 630 nm emissions in the upper atmosphere during magnetic storms with a sudden commencement

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ge%26ae..25..509f&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 25, May-June 1985, p. 509-511. In Russian.

Physics

1

Atmospheric Radiation, H Alpha Line, Magnetic Storms, Sudden Storm Commencements, Upper Atmosphere, Emission Spectra, Forbidden Bands, Hydrogen Ions, Nightglow, Oxygen Ions, Periodic Variations, Ring Currents, Spectrum Analysis, Statistical Analysis

Scientific paper

A statistical spectral analysis shows that both H-alpha emission at 656.3 nm and the 630-nm emission experience fluctuations with periods of 53-60 and 20-27 min; the 630-nm fluctuations are in antiphase with the H-alpha fluctuations, and lag with respect to the latter. Results indicate that irregular fluctuations of the H-alpha and 630-nm emissions in the nightglow of the upper atmosphere may be an indicator of ring-current decay during magnetic storms with a sudden commencement.

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