Satellite measurements of the atmospheric content of metallic ion and neutral species

Details Satellite measurements of the atmospheric content of metallic ion and neutral species Satellite measurements of the atmospheric content of metallic ion and neutral species

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004adspr..33.1481a&link_type=abstract

Advances in Space Research, Volume 33, Issue 9, p. 1481-1485.

Physics

1

Scientific paper

Column densities of meteoric metals including Mg, Mg+, Fe, Fe+, and Si can be measured using the nadir viewing global ozone measuring experiment (GOME) UV-Vis spectrometer on the ERS-2 satellite. The instrument has a spectral range from 237 to 793 nm with a wavelength resolution of 0.2 nm in the 237-316 nm region. The instrument measures all wavelengths simultaneously. Metal measurements are made in the 240-300 nm spectral range. A sample of data has been analyzed and gives a column density of 7.9×109 cm-2 for Mg and 2.6×1010 cm-2 for Mg+. The column density for Fe is 2.6×109 and 3.8×109 cm-2 for Fe+. The column density of Si is 2.1×1010 cm-2. This is the first satellite measurement of Si column abundance.

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