Modeling nightglow in atomic oxygen red and green lines under moderate disturbed geomagnetic conditions at midlatitudes

Author:

Тащилин Анатолий1,Tashchilin Anatoliy2,Леонович Людмила1,Leonovich Lyudmila2

Affiliation:

1. Институт солнечно-земной физики СО РАН

2. Institute of Solar Terrestrial Physics SB RAS

Abstract

We present results of a study of mid-latitude auroras. The study is based on optical measurements and theoretical modeling. The modeling shows that precipitation can indirectly generate airglow in red and green lines of atomic oxygen by increasing rates of ion formation and heating of thermal electrons. This causes an increase in the rate of dissociative recombination and thermal-electron-collision excitation of the 1D and 1S levels.

Publisher

Infra-M Academic Publishing House

Subject

Space and Planetary Science,Atmospheric Science,Geophysics

Reference16 articles.

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2. Кринберг И.А., Тащилин А.В. Ионосфера и плазмосфера. М.: Наука, 1984. 188 с., Hasegawa A. Particle acceleration by MHD surface wave and formation of aurorae. J. Geophys. Res. 1976, vol. 81, iss. 28, pp. 5083–5090.

3. Леонович Л.А., Михалев А.В., Леонович В.А. Проявление геомагнитных возмущений в свечении среднеширотной верхней атмосферы // Солнечно-земная физика. 2012. Т. 20. С. 109–115., Goertz C.K. Kinetic Alfv´en waves on auroral field lines. Planet. Space Sci. 1984, vol. 32, pp. 1387–1392.

4. Banks P.M., Chappell C.R., Nagy A.F. A New model for the interaction of auroral electrons with the atmosphere: Spectral degradation, backscatter, optical emission, and ionization // J. Geophys. Res. 1974. V. 79, iss. 10. P. 1459–1470., Krinberg I.A. Kinetika elektronov v ionosfere i atmosfere Zemli [Kinetics of electrons in Earth´s ionosphere and plasmasphere]. Moscow, Nauka Publ., 1978, 215 p. (In Russian).

5. de Meneses F.C., Muralikrishna P., Clemesha B.R. Height profiles of OI 630 nm and OI 557.7 nm airglow intensities measured via rocket-borne photometers and estimated using electron density data: comparison // Geofisica Internacional. 2008. V. 47, N 3. P. 161–166., Krinberg I.A., Tashchilin A.V. Ionosfera i plazmosfera [Ionosphere and plasmasphere]. Moscow, Nauka Publ., 1984. 188 p. (In Russian).

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