NDLI: Magnetic storm characteristics of the thermosphere

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Magnetic storm characteristics of the thermosphere

Content Provider	NASA Technical Reports Server (NTRS)
Author	Mayr, H. G. Volland, H.
Copyright Year	1972
Description	Energy and diffusive mass transport associated with the thermospheric circulation are considered in a self-consistent, though mathematically relatively simple form to describe in a three-dimensional two-constituent model magnetic storm characteristics in composition (N2, O, and He), temperature and mass-density. It is shown that during disturbed conditions the latitudinal variations of composition and gas temperature T sub g reflect the local nature of the magnetic storm heat input assumed to be primarily confined to the auroral zones. Thereby T sub g and N2 increase, He decreases and O remains constant through the auroral zones at exospheric heights (due to the superposition of temperature and diffusion effects) in agreement with OGO-6 mass spectrometer measurements. In contrast, the magnetic storm response in the total mass density is characterized by a strong world-wide component and a relatively insignificant increase toward the poles with the density peak occurring between two (poles) and eight (equator) hours after the maximum energy input, in substantial agreement with satellite drag data.
File Size	1275588
Page Count	50
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19730003667
Archival Resource Key	ark:/13960/t5n92134m
Language	English
Publisher Date	1972-09-01
Access Restriction	Open
Subject Keyword	Geophysics Density Mass/volume Oxygen Thermosphere Atmospheric Composition Atmospheric Temperature Auroras Mass Spectroscopy Nitrogen Helium Three Dimensional Models Magnetic Storms Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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