Density, composition, and field line dependence of bulk plasma at geosynchronous orbit versus local time, season, and solar cycle phase

Details Density, composition, and field line dependence of bulk plasma at geosynchronous orbit versus local time, season, and solar cycle phase Density, composition, and field line dependence of bulk plasma at geosynchronous orbit versus local time, season, and solar cycle phase

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm33a2147d&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SM33A-2147

Physics

[2730] Magnetospheric Physics / Magnetosphere: Inner, [2740] Magnetospheric Physics / Magnetospheric Configuration And Dynamics, [2752] Magnetospheric Physics / Mhd Waves And Instabilities, [2753] Magnetospheric Physics / Numerical Modeling

Scientific paper

We have previously shown that the median value of electron density at geosynchronous orbit peaks at solar minimum while the median value of mass density peaks at solar maximum. Correspondingly, the composition of bulk plasma at geosynchronous orbit changes drastically over the solar cycle, with typical concentration of O+ varying from near zero at solar minimum to about 20% at solar maximum. Here we extend our study to other dependencies. Combining measurements of the fundamental and harmonic frequencies of Alfven waves by GOES spacecraft (from which we get the mass density and its field line dependence), measurements of weighted (by the inverse particle mass) ion density by the Los Alamos National Lab (LANL) Magnetospheric Plasma Analyzer (MPA), and electron density measurements from plasma wave data measured by several spacecraft passing through geosynchronous orbit, we derive the density, composition, and mass density field line dependence of bulk plasma at geosynchronous orbit. We explore the variation of these quantities with respect to phase of the solar cycle (based on the EUV solar radiation index F10.7), season, and magnetic local time MLT.

Affiliated with

Also associated with

No associations

Rating

Density, composition, and field line dependence of bulk plasma at geosynchronous orbit versus local time, season, and solar cycle 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 Density, composition, and field line dependence of bulk plasma at geosynchronous orbit versus local time, season, and solar cycle phase, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Density, composition, and field line dependence of bulk plasma at geosynchronous orbit versus local time, season, and solar cycle phase will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1890767