Electrodynamics during substorm growth phase.

Details Electrodynamics during substorm growth phase. Electrodynamics during substorm growth phase.

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm71a0585g&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SM71A-0585

Physics

2407 Auroral Ionosphere (2704), 2409 Current Systems (2708), 2411 Electric Fields (2712), 2716 Energetic Particles, Precipitating, 2788 Storms And Substorms

Scientific paper

We presents results from a statistical study of the auroral electrodynamics during the growth phase of classical bulge-type auroral substorms. Electric field, magnetic field perturbations, particle precipitation, and ion-drift data have been used from 27 Dynamics Explorer 2 and 10 FAST auroral oval crossings. Their magnetic local time (MLT) distribution is fairly uniform covering the interval 18-06 MLT. Global auroral images from the Dynamics Explorer 1 and the Polar satellites were used to select substorms displaying a typical bulge-type auroral emission pattern. Low altitude satellite passes were selected if these occurred prior to the optical onset and after the southward turning of the IMF Bz. Post-midnight and from 18-21 MLT we find a simple two sheet field-aligned current configuration. In the 21-24 MLT region a more complex current configuration is seen. In this local time region an overlap of the eastward and westward auroral electrojets are found consistent with the more complex field-aligned current pattern. Height integrated Pedersen and Hall conductivities are typically in the 5-20 mho range indicating an increase from quiet time.

Affiliated with

Also associated with

No associations

Rating

Electrodynamics during substorm growth phase. does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Electrodynamics during substorm growth phase., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrodynamics during substorm growth phase. will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1439646