Abstract
A procedure is proposed for calculating extreme characteristics of the level of a sea with allowance for positive and negative setups. Analysis is made of past storm events in the Northern Caspian Sea that have caused strong setups. Sixty-three storm weather patterns are chosen from a period of 45 years. Time ring synoptic maps are used to digitize the atmospheric pressure fields and calculate the field of its gradient and the wind near water surface. Based on these data, the sea level values and currents are calculated through two- and three-dimensional hydrodynamic models. A probabilistic model along with computer-aided data treatment procedures are used to calculate the fields of extreme characteristics of the sea level at the Lagan gage with the occurrence of once per N years at the average Caspian Sea level of 27 m below SL.
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Zil'bershtein, O.I., Popov, S.K., Chumakov, M.M. et al. A Procedure for Calculating Extreme Characteristics of the Northern Caspian Sea Level. Water Resources 28, 632–639 (2001). https://doi.org/10.1023/A:1012833712510
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DOI: https://doi.org/10.1023/A:1012833712510