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A database of average monthly air temperat ure and atmospheric precipitation has been created for seven meteorological stations for the period between 1936 and 2009. It was used to study current trends of climate change in the Kazbegi area, a mountain region in the Greater Caucasus. Changes in temper ature and precipitation are described by circular regression equations and rates of these changes are identified.

To study the distribution and repetition of droughts, an ar chive of droughts has been created in eastern Georgia for 19 meteorol ogical stations for the vegetation period between 1961 and 2008. It has been eval uated geographic and meteorological conditions of droughts formation: conditions of humidity, temperature background, hydrothermal regime of soils. It has been studied the territorial distribution and probability of dry months, repetition of drought s within a season and a month, severe and ultra-severe dr...