On the Generation of 3 Meter Irregularities During Equatorial Spread F by Low Frequency Drift Waves
Abstract
We consider the linear theory of low frequency drift waves for parameters typical of the ionosphere during equatorial Spread F. These waves are considered to be generated by density gradients associated with long wavelength primary plasma fluid instabilities (e.g., collisional Rayleigh-Taylor). We include electron-ion, electron-neutral and ion-ion collisions in our analysis. We find that a collisional drift wave can occur in the 3 meter regime but that it is heavily damped by ion viscosity. For density gradient scale lengths aprox. greater than 75m, it is required that n <1/2000 cc for wave excitation to occur.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 20, 1979
- Accession Number
- ADA068580
Entities
People
- Joseph D. Huba
- Sidney L. Ossakow
Organizations
- United States Naval Research Laboratory