Case-Study Modelling Analysis of Hydrodynamics in the Nearshore of the Baltic Sea Forced by Extreme Along-shore Wind in the Case of a Cross-shore Obstacle

• Autorzy: Sokolov A. , Chubarenko B.

Identyfikatory

DOI

10.1515/heem-2018-0011

• Języki publikacji: EN

Abstrakty

EN

In the current study we use a three-dimensional model with hydrodynamic and spectral wave modules operating in a coupled mode to simulate the response of currents and wind wave fields to winds of 20–25 m/sec offshore of the protective structure of the Saint Petersburg Flood Prevention Facility Complex. The model was calibrated against field data, which allowed us to obtain a tool describing storm situations in the eastern part of the Gulf of Finland with a satisfactory accuracy. The numerical modeling showed that the protective dam did not have a noticeable effect on the levels of stormsurge, significantwave height, or current speed in areas seaward of the dam. The increase in erosion processes on the southern shore of the easternmost part of the Gulf of Finland in recent past has most probably been related to other factors. We found that if a west or south-west wind of at least 25 m/s blows over the Baltic Sea for at least 16 hours, the level of storm surges seaward of the dam may reach 3 or more meters. An artificial strengthening of the coastline and the creation of shore protection structures are recommended.

Słowa kluczowe

EN

numerical modelling; extreme weather; storm surge; wind waves; currents; protective dam; Gulf of Finland

• Wydawca: Institute of Hydro-Engineering of Polish Academy of Sciences
• Czasopismo: Archives of Hydro-Engineering and Environmental Mechanics
• Rocznik: 2018
• Tom: Vol. 65, nr 3
• Strony: 163--176
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Sokolov A.

• Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Nahimovskiy prospekt 36, Russia, 117997
• Immanuel Kant Baltic Federal University, A. Nevskogo 14, Kaliningrad, Russia, 236016

autor

Chubarenko B.

• Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Nahimovskiy prospekt 36, Russia, 117997

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).