NDLI: Joule heating and field-aligned currents: preliminary results from de-2

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Joule heating and field-aligned currents: preliminary results from de-2

Content Provider	NASA Technical Reports Server (NTRS)
Author	Sugiura, M.
Copyright Year	1986
Description	There are three main processes by which energy is transferred from the magnetosphere to the thermosphere: (1) charge exchange of the ring current particles; (2) precipitation of charged particles; and (3) joule dissipation by the magnetosphere-ionosphere current systems. The importance of this last process has been recognized and the rate of joule heating has been estimated by many workers. Observations of the electric (E) and magnetic (B) fields from Dynamics Explorer Satellite 2 are providing a new set of data on field-aligned currents. One of the remarkable features found in these observations is the high correlation between an orthogonal pair of the E and B field components. In recent years, observational data have accrued concerning the relationship between the interplanetary magnetic field and the size of the polar cap and also about the evolution of a substorm or a magnetic storm. It is suggested that these findings be incorporated in future model calculations.
File Size	310172
Page Count	11
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860019864
Archival Resource Key	ark:/13960/t3dz54g6q
Language	English
Publisher Date	1986-06-01
Access Restriction	Open
Subject Keyword	Geophysics Atmospheric Circulation Thermosphere Field Aligned Currents Electron Precipitation Atmospheric Conductivity Magnetic Poles Dynamics Explorer 2 Satellite Interplanetary Magnetic Fields Ohmic Dissipation Atmospheric Heating Electric Fields Energy Transfer Plasma Heating Resistance Heating 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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