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The paper compares the different description of drought periods in the history of annual rainfall in certain geographical areas. Drought indices are indispensable tools in detecting, monitoring and assessing drought events. These indices include: the Palmer drought index or drought severity index, PDSI abbreviated, Keetch-Byram drought index, KBDI abbreviation, drought recognition or recall index, abbreviated RDI, percentage of normal amount (average value for over 30 years), standardized precipitation index, SPI,...

The main problem in applying existing geomechanical software suits is the fact that the process of developing the starting geological and structural model of a deposit is extremely complex, which is due to lack of automation in collecting separate data on initial geological and geomechanical conditions. The purpose of this research is to develop a software suite for detecting zones potentially prone to rock bursts. The research methodology includes analyzing causes of mine destruction and identifying the most infl...