TRANSACTIONS OF THE KRYLOV STATE RESEARCH CENTRE

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ISSN (print) 2542-2324 /(online) 2618-8244


Articles of The Transactions of KSRC








Mathematical simulation of iceinduced effects on the bed of Baidaratskaya bay in the Kara Sea.



Full text article ( in russian)

Year

 
2011

Issue

 
347

Volume

 
5

Pages

 
105-118

Caption

 
Mathematical simulation of iceinduced effects on the bed of Baidaratskaya bay in the Kara Sea.

Authors

 
А.S. Shestov, А.V. Marchenko, S.А. Ogorodov

Keywords

 
plough, ice ridge, grounded ice, trail, mathematical simulation

Summary

 
The paper presents the results of field studies on the seabed topography and ice conditions of the recent decade as well as numerical simulation of interaction between floating ice and sea bed in the way of subsea Baidaratskaya bay (Kara Sea) transit section of the Yamal-Center main gas pipeline. The numerical calculations included the tidal effect and sea level variation due to ice plough in the ice season. It is shown that trails are mostly oriented along the Baidaratskaya bay following the semi-diurnal tide direction and some trails are strongly curved. The maximum trail depth reaches 1,6 m, excluding the trail banks; many trails are longer than 2 km. The numerical simulation shows that long trails are formed due to interaction of ice ridge keels with sea bed during the summer season when ice ridges are frozen into the ice cover which is drifting under tidal currents and wind effects.

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