Application of the coded long-pulse technique to plasma line studies of the ionosphere

Details Application of the coded long-pulse technique to plasma line studies of the ionosphere Application of the coded long-pulse technique to plasma line studies of the ionosphere

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994georl..21.2725d&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 21, no. 24, p. 2725-2728

Physics

14

Coding, Earth Ionosphere, Incoherent Scatter Radar, Ionospheric Electron Density, Line Spectra, Molecular Ions, Plasmas (Physics), Electron Density Profiles, Energy Dissipation, Magnetic Fields, Radio Waves

Scientific paper

Recently, the coded long-pulse radar technique was tested at Arecibo Observatory, Puerto Rico using photoelectron-enhanced plasma lines in the daytime ionosphere. The technique immediately proved to be a powerful diagnostic tool for studying natural ionospheric phenomena. Our initial observations indicate that extremely accurate measurements of absolute electron density (0.01 to 0.03% error bars) can be achieved with an altitude resolution of 150 m and a temporal resolution of approx. 2 s. In addition, the technique provides information about electron density structure within a 150-m altitude cell and yields parameters from which the energy spectrum of suprathermal electrons (equal to or greater than 5 eV) can be deduced. Our earliest measurements are used to illustrate applications of the coded long-pulse technique to several aeronomic/ionsospheric areas of current interest. These include studies of neutral wave motions in the lower thermosphere, measurements of ion composition in the F(sub 1) region/upper ionosphere, and investigations of electron-gas thermal balance and photoelectron energy loss processes. The technique can be utilized to examine irregularity formation in the F region, probe electron acceleration processes in ionospheric modification experiments, verify the magnetic field dependence of Langmuir wave damping, and more generally test higher order corrections suggested for the Langmuir dispersion relation. It is anticipated that the latter tests will facilitate measurements of ionospheric currents.

Affiliated with

Also associated with

No associations

Rating

Application of the coded long-pulse technique to plasma line studies of the ionosphere 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 Application of the coded long-pulse technique to plasma line studies of the ionosphere, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Application of the coded long-pulse technique to plasma line studies of the ionosphere will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1409114