Physics
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....9613003d&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 96, July 20, 1991, p. 13,003-13,008. Research supported by FRFC.
Physics
11
Absorption Spectra, Atmospheric Composition, Earth Orbits, Molecular Spectra, Nitrogen, Solar Spectra, Infrared Spectra, Line Spectra, Rotational Spectra
Scientific paper
The strength of S-branch lines of the N2 (1-0) electric quadrupole vibration-rotation band are determined by an analysis of solar absorption spectra. The solar data were recorded with a Fourier transform spectrometer and are characterized by high resolution, and a high signal-to-noise ratio. By extrapolating equivalent width measurements of the lines from varying air masses to zero air mass, the line strengths are found for the transitions from S7 to S10. The results presented do not include half widths and are found to be accurate to within 5 percent, and following a redetermination the N2 transitions are accurate to within 0.0002/cm. Line-of-sight atmospheric air masses associated with remotely sensed IR spectroscopic observations can be determined directly by utilizing the highly accurate data.
Démoulin Pascal
Farmer Crofton B.
Rinsland Curtis P.
Zander Rodolphe
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