Mutual Neutralization of Atomic Oxygen Ions Over the Course of the Solar Cycle and Its Effects on Ionospheric Remote Sensing

Details Mutual Neutralization of Atomic Oxygen Ions Over the Course of the Solar Cycle and Its Effects on Ionospheric Remote Sensing Mutual Neutralization of Atomic Oxygen Ions Over the Course of the Solar Cycle and Its Effects on Ionospheric Remote Sensing

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa41a1849c&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SA41A-1849

Physics

[2447] Ionosphere / Modeling And Forecasting, [2494] Ionosphere / Instruments And Techniques, [6982] Radio Science / Tomography And Imaging, Data Assimilation

Scientific paper

Over the past decade, several investigations have used ultraviolet remote sensing to quantify the behavior of the F region of the ionosphere (e.g., TIMED/GUVI, IMAGE/FUV, DMSP/SSUSI). In addition, global ionospheric assimilation systems such as the Global Assimilation of Ionospheric Measurements (GAIM) and the Ionospheric Data Assimilation Three Dimensional (IDA3D) ingest these ultraviolet measurements as part of a comprehensive characterization of the ionosphere. Most of these remote sensing/assimilation techniques rely on measurements of atomic oxygen emission at 135.6 nm, which is primarily due to atomic oxygen ion recombination. There is, however, a second mechanism for generation of 135.6 nm radiance in the F region - Mutual Neutralization - which results from the reaction of oppositely charged oxygen ions. This source is most significant at lower altitudes (250 km or so) where the concentration of neutral atomic oxygen is relatively high. Because of its dependence on the neutral oxygen density, this effect has a significant solar cycle variation and must be accounted for correctly in any studies that use the 135.6 nm radiance data. In this work we provide a characterization of the behavior of mutual neutralization (relative to recombination emission) as a function of solar activity. We also provide assimilation friendly correction mechanisms for the determination of electron densities in the F region.

Affiliated with

Also associated with

No associations

Rating

Mutual Neutralization of Atomic Oxygen Ions Over the Course of the Solar Cycle and Its Effects on Ionospheric Remote Sensing 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 Mutual Neutralization of Atomic Oxygen Ions Over the Course of the Solar Cycle and Its Effects on Ionospheric Remote Sensing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mutual Neutralization of Atomic Oxygen Ions Over the Course of the Solar Cycle and Its Effects on Ionospheric Remote Sensing will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-874585