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Proceedings Paper

Aerosol disturbances of the stratosphere over Tomsk according to data of lidar observations in volcanic activity period 2006–2011
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Paper Abstract

We summarize and analyze the lidar measurements (Tomsk: 56.5°N; 85.0°E) of the optical characteristics of the stratospheric aerosol layer (SAL) in the volcanic activity period 2006-2011. The background SAL state with minimal aerosol content, which was observed since 1997 under the conditions of long-term volcanically quiescent period, was interrupted in October 2006 by a series of explosive eruptions of volcanoes of the Pacific Ring of Fire: Rabaul (October 2006, New Guinea); Okmok and Kasatochi (July-August 2008, Aleutian Islands); Redoubt (March-April 2009, Alaska); Sarychev Peak (June 2009, Kuril Islands), and Grimsvötn (May 2011, Iceland). A short-term and minor disturbance of the lower stratosphere was also observed in April 2010 after eruption of the Icelandic volcano Eyjafjallajokull. The developed regional empirical model of the vertical distribution of background SAL optical characteristics was used to identify the periods of elevated stratospheric aerosol content after each of the volcanic eruptions.

Paper Details

Date Published: 27 November 2012
PDF: 4 pages
Proc. SPIE 8696, Eighteenth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 86960J (27 November 2012); doi: 10.1117/12.2008365
Show Author Affiliations
Andrey P. Makeev, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
Vladimir D. Burlakov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
Sergey I. Dolgii, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
Aleksey V. Nevzorov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
Dimitar A. Trifonov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)


Published in SPIE Proceedings Vol. 8696:
Eighteenth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii, Editor(s)

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