Auroral kilometric radiation from field-aligned plasma density enhancements

Physics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Atmospheric Radiation, Auroral Zones, Kilometric Waves, Plasma Density, Radio Auroras, Magnetic Fields, Propagation Modes, Ray Tracing, Refractivity, Remote Sensing, Satellite Observation

Scientific paper

A production mechanism for left-polarized ordinary auroral kilometric radiation (LOAKR) is proposed on the basis of published satellite measurements. A mechanism analogous to that described by Jones (1976, 1980, 1981, 1982, 1983) for terrestrial myriametric radiation is examined: electrostatic waves produced near the upper-hybrid resonance frequency are converted to electromagnetic Z-mode radiation and then to LOAKR as they propagate through field-aligned plasma-density gradients. The theoretical framework is introduced; the observations of plasma-density enhancements, upper-hybrid waves, and AKR beaming are summarized; a computer model of a density enhancement and associated ray paths is developed; and the beaming model is applied to interpret satellite data as remote-sensing measurements of AKR source regions. The rapid frequency variation of LOAKR is attributed to the distance of the observing spacecraft and the longitudinal motion of the convecting field-aligned source regions.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Auroral kilometric radiation from field-aligned plasma density enhancements 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 Auroral kilometric radiation from field-aligned plasma density enhancements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Auroral kilometric radiation from field-aligned plasma density enhancements will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1857350

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.