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Weidong Zhao, Bernt Johan Leira, Knut Vilhelm Høyland, Ekaterina Kim, Guoqing Feng and Huilong Ren
This paper presents a framework for structural analysis of icebreakers during ramming of first-year ice ridges. The framework links the ice-ridge load and the structural analysis based on the physical characteristics of ship?ice-ridge interactions. A shi...
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Pavel Semkin, Pavel Tishchenko, Alexander Charkin, Galina Pavlova, Yuri Barabanshchikov, Andrey Leusov, Petr Tishchenko, Elena Shkirnikova and Maria Shvetsova
The interaction of surface water and groundwater is important in the ecology of coastal basins, affecting hydrological conditions, oxygen regime, carbon, and nutrient exchange. This study demonstrates a dynamic connection between the salt-wedge region an...
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Guojun Wang, Qianjin Yue, Dayong Zhang, Yanghua Fu, Xin Peng and Rui Dong
When sea ice acts on vertical structures, there are much higher pressures in localized areas known as high-pressure zones (HPZs) than in other areas. The damage failure mode of sea ice varies with the sea ice velocity and affects the distribution of HPZs...
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Alexander Vladislavovich Andryushin, Sergey Vladimirovich Ryabushkin, Alexander Yurievich Voronin and Egor Vladimirovich Shapkov
Stern-first operation under severe ice conditions (ridges) is one of the most effective modes to increase the operating efficiency of icebreakers and ice ships. However, when a ship overcomes the ridge astern, the propellers continuously interact with ic...
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Xue Long, Lu Liu, Shewen Liu and Shunying Ji
In cold regions, ice pressure poses a serious threat to the safe operation of ship hulls and fixed offshore platforms. In this study, a discrete element method (DEM) with bonded particles was adapted to simulate the generation and distribution of local i...
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Víctor M. Mendoza,Blanca Mendoza,René Garduño,Guadalupe Cordero,Marni Pazos,Sandro Cervantes,Karina E. Cervantes
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We present a thermodynamic model to simulate the atmospheric temperature and pressure, the regolith temperature and the polar CO2 ice caps vertical thickness and horizontal extent of Mars. This is done using the temperatures of the atmosphere and regolit...
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Evgeny Chuvilin, Dinara Davletshina, Valentina Ekimova, Boris Bukhanov, Natalia Shakhova and Igor Semiletov
Destabilization of intrapermafrost gas hydrates is one of the possible mechanisms responsible for methane emission in the Arctic shelf. Intrapermafrost gas hydrates may be coeval to permafrost: they originated during regression and subsequent cooling and...
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Mariusz Ptak, Arkadiusz M. Tomczyk and Dariusz Wrzesinski
The objective of the paper was the determination of the effect of teleconnection patterns (North Atlantic Oscillation (NAO), Arctic Oscillation (AO), East Atlantic pattern (EA), East Atlantic/Western Russia (EAWR), and Scandinavian pattern (SCAND)) on ch...
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Yekaterina Y. Kontar, John C. Eichelberger, Tuyara N. Gavrilyeva, Viktoria V. Filippova, Antonina N. Savvinova, Nikita I. Tananaev and Sarah F. Trainor
Every spring, riverine communities throughout the Arctic face flood risk. As the river ice begins to thaw and break up, ice jams?accumulation of chunks and sheets of ice in the river channel, force melt water and ice floes to back up for dozens of kilome...
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