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EXTREME LEVELS OF THE SEA OF AZOV
Abstract
The present study investigates and evaluates the frequency of emerging extreme wind-induced water level fluctuations, which line up with the marks пїЅadverse eventпїЅ and пїЅdangerous eventпїЅ. The method we applied involved statistics throughout 1972-2016. Standard observation data from hydrometer stations of the Sea of Azov were processed. The study provides the strong evidence that this period had abnormal level activity: ? annual cycle of level had marks above the average sea level datum; rising tide was 0,19 cms per year ? range of oscillation and rare occurrence proportion of extremely high level have increased ? the number of dangerous and adverse events occurred 9 a year on average; the frequency of storm surges and dangerous events was 69% from them ? dynamic analysis of extreme wind-induced water level fluctuations highlighted the cyclic character of these dangerous events: emerging cycles of storm surges lasted for 10 пїЅ 11 years were revealed. The results obtained can be used for enhancement of monitoring efficiency of dangerous hydrological events their forecasting.
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References4
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Bespalova L.A., Lurie P.M., Taradin E.S., Long-term Dynamics of Extreme Levels of the Sea of Azov. / Ecology. Economy. Computer science. Sea of Azov, Kerch Strait and the Pre-pouring Zones in the Black Sea: Problems of Coastal Zone Management for Ensuring Environmental Safety and Rational Nature Management: Digest of the III All-Russian Conference, Rostov-on-Don, Publishing House of the Southern Federal University, pp 72-79, 2016.
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