Aerosol disturbances in the stratosphere after eruption of Grimsvötn volcano (Iceland, May 2011) according to data of observations at stations of CIS lidar network CIS-LiNet in Minsk, Tomsk, and Vladivostok
S.I. Dolgii1, V.D. Burlakov1, A.P. Makeev1, A.V. Nevzorov1, K.A. Shmirko2, A.N. Pavlov2, S.Yu. Stolyarchuk2, O.A. Bukin3, A.P. Chaikovskii4, F.P. Osipenko4, D.A. Trifonov1,5
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
dolgii@iao.ru
2Institute of Automation and Control Processes, Far Eastern Branch of Russian Academy of Sciences, 5, Radio Street, Vladivostok, 690041, Russia
shmirko.konstantin@gmail.com
3Maritime State University named after admiral G.I. Nevelskoy, 50a, ul. Verkhneportovaya, Vladivostok, 690059, Russia
o_bukin@mail.ru
4B.I. Stepanov Institute of Physics National Academy of Sciences of Belarus, Belarus, 220072, Minsk, Independence Avenue, 68
chaikov@dragon.bas-net.by
5National Research Tomsk State University, 36, Lenin Avenue, Tomsk, 634050,Russia
dmitriy.trifonov.91@mail.ru
Keywords: stratosphere, volcanic aerosol, lidar
Abstract
We present the observations results of aerosol disturbances in the stratosphere in the second half of 2011; the observations were performed at stations of CIS lidar network CIS-LiNet in Minsk (53.9°N; 27.60°E), Tomsk (56.5°N; 85.0°E), and Vladivostok (43.0°N; 131.9°E). Based on the lidar measurement data at the sensing wavelengths of 353, 355, and 532 nm, an increased aerosol content was observed in the lower stratosphere up to altitudes of 18 km from June–July and practically until the end of 2011. A well-defined and temporally stable aerosol layer was observed until October 2011 in the altitude range 13–17 km. An increased aerosol content in the lower stratosphere was observed until January 2012. The trajectory analysis of air mass transport in the stratosphere on the basis of NOAA HYSPLIT MODEL with the use of CALIPSO satellite data shows that the observed increased aerosol content was due to the transport of eruption products of Grimsvötn volcano (May 21, 2011, Iceland: 64.4°N; 17.3°W).
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