2011 SuperDARN Workshop       

Extended observations of decameter scatter associated with the mid-latitude ionospheric trough

E.R. Talaat (1), E.S. Miller (1), R.J. Barnes (1), J.M. Ruohoniemi (2), W. Bristow (3), R.A. Greenwald (2), S.G. Shepherd (4)
(1) The Johns Hopkins University Applied Physics Laboratory
(2) Bradley Department of Electrical and Computer Engineering, Virginia Tech
(3) University of Alaska, Fairbanks
(4) Dartmouth College

abstract. We present extended scatter observations that are associated with the nighttime ionospheric mid-latitude trough. Using data from five mid-latitude SuperDARN HF radar sites, including two radars with greater than 4 years of observations, we are able to compare with trough observations derived from electron density occultation measurements obtained from the COSMIC suite of satellite. We examine the scatter characteristics with respect to trough depth and location. Additionally, we examine longitudinal differences between sites and climatology as a function of seasons and local time.

Sakaguchi KaoriNICT Japan