Lidar observations of aerosol appearance in the middle atmosphere of Kamchatka in 2007-2011

Bychkov V.V.1, Perezhogin А.S.1, Shevtsov B. M.2, Marichev V.3, Matvienko G.G.3, Belov A.S.4, Cheremisin А.A.5
  1. Institute of Cosmophysical Research and Radio Wave Propagation FEB RAS, Mirnaya 7, Paratunka, Kamchatka krai
  2. Institute of Cosmophysical Research and Radio Wave Propagation, Mirnaya 7, Paratunka, Kamchatka krai
  3. V.E. Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Sciences, pl. Akademika Zueva 1, Tomsk, 634021 Russia
  4. Nizhniy Novgorod State University, Nizhniy Novgorod, Russia
  5. Siberian Federal University, Krasnoyarsk

According to results of lidar observations carried out in Kamchatka from October, 2007 to December, 2010 the behavior of aerosol vertical structure within height of 30-80 km is analyzed. The obtained data revealed regular aerosol appearance in winter in the upper stratosphere and mesosphere at height of 60-75 km. Aerosol scattering at this altitude is observed from the end of October to March-April. During the warm season, from April to October, lidar signals correspond well to Rayleigh molecular scattering.