Lidar backscattering signals from the upper atmosphere at Kamchatka in geomagnetic disturbances

Bychkov V.V.1, Perezhogin A.S.1, Shevtsov B.M.1, Polech N.M.2
  1. Institute of Cosmophysical Researches and Radio Wave Propagation FEB RAS, Russia
  2. Institute of Solar-Terrestrial physics SB RAS, Russia


   Experimental data showing correlation of back scattering signals at the
   wavelength of 532 nm with the parameters determining plasma content in
   nighttime ionospheric F2 layer are presented. On the basis of the
   performed analysis of lidar data and geophysical state, a hypothesis on
   possible role of Rydberg atoms in the formation of lidar reflections at
   ionospheric altitudes is discussed.