Statistical Characteristics and Modeling of Storm Surges in the North Caspian Sea

被引:4
|
作者
Nesterov, E. S. [1 ]
Popov, S. K. [1 ]
Lobov, A. L. [1 ]
机构
[1] Hydrometeorol Res Ctr Russian Federat, Bolshoi Predtechenskii 11-13, Moscow 123242, Russia
关键词
North Caspian; storm surge; statistical characteristics; numerical simulation;
D O I
10.3103/S1068373918100059
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
The characteristics of storm surges obtained from sea level observations at four hydrometeorological stations in the North Caspian Sea for 2003-2017 are presented. The sea level that by 30 cm exceeds the monthly mean value at the analyzed point of the Caspian Sea was considered as a surge. In total, 370 surges were registered, 83% of them occurred during the cold season (September-April). The maximum surge height was 125 cm, the longest duration was 7 days. The most significant surges on Tyulenii Island were simulated with the operational hydrodynamic model of the sea level and currents of the Caspian Sea using atmospheric forcing from the COSMO model. The mean coefficient of correlation between the simulated and observed sea level is equal to 0.94.
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页码:664 / 669
页数:6
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