ATMOSPHERIC CHEMISTRY; CHARGED PARTICLES; HYDROGEN ATOMS; MIDDLE ATMOSPHERE; PARTICLE PRECIPITATION; ATMOSPHERIC IONIZATION; ATMOSPHERIC MODELS; ATMOSPHERIC MOISTURE; OXYGEN ATOMS; SOLAR ACTIVITY EFFECTS; SOLAR PROTONS; SOLAR TERRESTRIAL INTERACTIONS; TIME DEPENDENCE
Abstract :
[en] A one dimensional time-dependent model of the neutral and ion chemistry of the middle atmosphere has been used to examine the production of odd hydrogen (H, OH, and HO2) during charged particle precipitation. At altitudes above about 65 km, odd hydrogen production depends on the ionization rate, and the atomic oxygen and water vapor densities. Odd hydrogen production is shown to exhibit diurnal and other time dependent variations during such an event at these altitudes, and the assumption that two odd hydrogen particles are always produced per ionization is reexamined.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Solomon, S.; National Center for Atmospheric Research, Boulder, CO
Rusch, D. W.; National Center for Atmospheric Research ; Colorado, University, Boulder, CO
Gérard, Jean-Claude ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Reid, G. C.; National Center for Atmospheric Research ; NOAA, Aeronomy Laboratory, Boulder, CO
Crutzen, P. J.; National Center for Atmospheric Research, Boulder, CO
Language :
English
Title :
The effect of particle precipitation events on the neutral and ion chemistry of the middle atmosphere. II - Odd hydrogen
Publication date :
01 August 1981
Journal title :
Planetary and Space Science
ISSN :
0032-0633
Publisher :
Pergamon Press - An Imprint of Elsevier Science, Oxford, United Kingdom
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