THE INFLUENCE OF CIRCULAR PROCESSES ON CHANGES IN PRECIPITATION IN THE SCOPE OF CLIMATE CHANGE

Abstract

Global climate change is one of the main problems in the world along with terrorism and poverty.Samtskhe-javakheti region, located in the south of Georgia, is very different from other regions of the country in terms of climate conditionings which is mainly due to local circular processes. Absolute altitude of Samtskhe-Javakheti varies in the 900-3300 m range. It is surrounded by high ridges. Meridian disposition of mentioned ridges weakens the impact of large-scale atmospheric circulation processes developed in the territory of the South Caucasus and significantly strengthens the influence of local complex orographic factors (tablelands, plateaus, basins) that has considerable effect on the cloud regime.Data used in the study is mainly based on observations on atmospheric precipitation (key indicators of precipitation, their monthly and annual amounts), obtained from the following (formerly existing and currently acting in Samtskhe-Javakheti) meteorological stations and weather shelters, namely: Akhalkalaki (1967-2006), Akhaltsikhe (1971-2010) and Paravani (1967-2006). Statistical, climatological and graphical analyses of multi-year (40 year period) meteorological data is used for research. Based on analyses of data, obtained for Samtskhe-Javakheti region, observed for the 10 year periods, a sharp change of monthly and annual amounts (the increase, as well as a reduction in precipitations), was observed.