Vol. 27, issue 12, article # 8

Komarov V.S., Matvienko G.G., Ilin S.N., Lomakina N.Ya. Regional features of long-term changes of cloud cover in the Siberian sector of the Northern hemisphere during the last 45 years (from 1969 to 2013). // Optika Atmosfery i Okeana. 2014. V. 27. No. 12. P. 1079-1084 [in Russian].
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Abstract:

This paper presents the statistical analysis results of the regional features of long-term changes in cloud cover over the territory of Siberia realized by the data of climatic zoning of the region according to total and lower cloudiness conditions, using the 45-year (1969-2013) series of meteorological observations of 60 stations located in the Siberian sector of the Northern hemisphere.
It has been found that in all seasons and for the year as a whole a visible trend to increase of total and lower cloudiness took place at a spatial averaging of data across the Siberian sector and also on the territory of Western and Eastern Siberia separately during the 45-year period (from 1969 to 2013), as well as from 1976 to 2005, when the intense global warming was observed. A significant decrease of total and lower cloudiness took place over the Siberian sector during all seasons (except autumn) and for the whole year in recent years (from 2006 to 2013), when a tendency to weakening of the intensity of global warming became apparent.

Keywords:

amount of total and lower cloudiness, long-term changes, trends, climatic zoning, Siberian region

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