Russian Journal of Earth Sciences Russian Journal of Earth Sciences Russian Journal of Earth Sciences 1681-1208 46544 10.2205/2020ES000718 ОРИГИНАЛЬНЫЕ СТАТЬИ ORIGINAL ARTICLES ОРИГИНАЛЬНЫЕ СТАТЬИ Growth of landfast ice and its thermal interaction with bottom sediments in the Braganzavägen Gulf (West Spitsbergen) Growth of landfast ice and its thermal interaction with bottom sediments in the Braganzavägen Gulf (West Spitsbergen) Bogorodskiy P V Bogorodskiy P V Demidov N E Demidov N E Filchuk K V Filchuk K V Marchenko A V Marchenko A V Morozov E G Morozov E G Nikulina A L Nikulina A L Pnyushkov A V Pnyushkov A V Ryzhov I V Ryzhov I V ryzhov@aari.ru Arctic and Antarctic Research Institute ru Arctic and Antarctic Research Institute ru Vernadsky Institute of Geochemistry and Analytical Chemistry ru Vernadsky Institute of Geochemistry and Analytical Chemistry ru Arctic and Antarctic Research Institute ru Arctic and Antarctic Research Institute ru University Centre in Svalbard and Zubov Oceanographic Institute ru University Centre in Svalbard and Zubov Oceanographic Institute ru Shirshov Institute of Oceanology RAS ru Shirshov Institute of Oceanology RAS ru Arctic and Antarctic Research Institute ru Arctic and Antarctic Research Institute ru Arctic and Antarctic Research Institute ru Arctic and Antarctic Research Institute ru Arctic and Antarctic Research Institute ru Arctic and Antarctic Research Institute ru 20 6 29 10 2021 https://rjes.ru/en/nauka/article/46544/view

The results of ice and hydrological studies of the shallow Bay of Braganzav{å}gen (Van Mayen Fjord Bay, West Spitsbergen Island) in March 2016 and 2018, supplemented with model calculations using a thermodynamic model, are presented. The model uses both known methods of localizing the phase transition region - the classical (frontal) for fast ice and in an extended area (two-phase zone) for bottom sediments. For real atmospheric conditions of winter 2015-2016, the new qualitative features of the process of ice formation in the adjacent layers of sea water and bottom soil are revealed. However, due to insufficient knowledge of the heat and mass transfer properties of bottom sediments, the question of quantitative estimates of the process remains open and can be clarified in special field experiments.

The results of ice and hydrological studies of the shallow Bay of Braganzav{å}gen (Van Mayen Fjord Bay, West Spitsbergen Island) in March 2016 and 2018, supplemented with model calculations using a thermodynamic model, are presented. The model uses both known methods of localizing the phase transition region - the classical (frontal) for fast ice and in an extended area (two-phase zone) for bottom sediments. For real atmospheric conditions of winter 2015-2016, the new qualitative features of the process of ice formation in the adjacent layers of sea water and bottom soil are revealed. However, due to insufficient knowledge of the heat and mass transfer properties of bottom sediments, the question of quantitative estimates of the process remains open and can be clarified in special field experiments.

 West Spitsbergen bottom sediments energy and mass transport ice formation shallow-water zone sub-ice water layer West Spitsbergen bottom sediments energy and mass transport ice formation shallow-water zone sub-ice water layer This study was supported by the Ministry of Science and Higher Education of the Russian Federation (project RFMEFI61617X0076).

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