Upper-atmospheric effects of magnetic storms: a brief tutorial

Details Upper-atmospheric effects of magnetic storms: a brief tutorial Upper-atmospheric effects of magnetic storms: a brief tutorial

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jastp..62.1115r&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 62, Issue 12, p. 1115-1127.

Physics

34

Scientific paper

The physical processes underlying several phenomena of upper-atmospheric storms are described: magnetospherically driven ion convection and Joule heating and their impact on the high-latitude thermosphere and ionosphere; global changes in thermospheric circulation and composition; traveling atmospheric disturbances; and effects of electric-field penetration to middle and low latitudes. Examples from the 1997 January 10-11 storm are used to illustrate some of these features. It is pointed out that not only the magnitude, but also the sign of many storm-time changes at any given location depend sensitively on the temporal and spatial variations of auroral particle precipitation and high-latitude electric fields. In order for simulation models to be able to predict upper-atmospheric storm effects accurately, improved determination of the high-latitude inputs will be required.

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