Reference : The auroral ionosphere - Comparison of a time-dependent model with composition measur...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/27399
The auroral ionosphere - Comparison of a time-dependent model with composition measurements
English
Gérard, Jean-Claude mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Rusch, D. W. [Michigan, University, Ann Arbor, Mich.]
1-Aug-1979
Journal of Geophysical Research
American Geophysical Union (AGU)
84
4335-4340
Yes (verified by ORBi)
International
0148-0227
2156-2202
Washington
USA
[en] ATMOSPHERIC CHEMISTRY ; ATMOSPHERIC MODELS ; AURORAL SPECTROSCOPY ; IONOSPHERIC COMPOSITION ; NITROGEN OXIDES ; TIME DEPENDENCE ; AURORAL ZONES ; ELECTRON ENERGY ; ION PRODUCTION RATES ; IONOSPHERIC ELECTRON DENSITY ; IONOSPHERIC ION DENSITY ; MASS SPECTROMETERS ; NEUTRAL PARTICLES ; REACTION KINETICS ; ROCKET SOUNDING ; SATELLITE OBSERVATION ; SATELLITE-BORNE INSTRUMENTS
[en] A time-dependent model of the auroral ionosphere including the odd nitrogen species, NO, N(D-2), and N(S-4), is used for comparison with data from a coordinated rocket-satellite measurement of an auroral event. The chemical scheme and the adopted rate coefficients have been shown to be compatible with daytime mid-latitude ionospheric chemistry. The electron flux and neutral atmospheric parameters measured on the satellite are used to compute the appropriate ionization and dissociation rates. The calculated NO(plus), O2(plus), O(plus), Ne, and NO densities agree well with the rocket measurements. The calculated N2(plus) densities are larger than the measured densities by a factor of 3 at most altitudes. The calculations show that the nitric oxide content of the aurora (about 1.2 times 10 to the 9th NO molecules/cu cm at 105 km) is below the saturation value.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/27399
10.1029/JA084iA08p04335
http://adsabs.harvard.edu/abs/1979JGR....84.4335G
A&AA ID. AAA026.083.006

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