*Anna Aleksandrovna Riazanova^1,2、Nadezda Nikolaevna Voropay^1,3、Igor Georgievich Okladnikov^1,2、Evgeny Petrovich Gordov^1,2 (1.Institute of Monitoring of Climatic and Ecological Systems of the Siberian Branch of the Russian Academy of Sciences, Tomsk、2.V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, Tomsk、3.V.B. Sochava Institute of Geography of Siberian Branch of the Russian Academy of Science, Irkutsk)