Abstract
The article presents the results of a study on the microstructure of fast sea ice in Amur Bay for 2013–2018 based on hydrological observations and magnetic resonance imaging (MRI), as well as the results of calculating the effective and total porosity and permeability of ice cores and their relationship. The profiles and average values of ice permeability and Rayleigh number are calculated from temperature and salinity measurements taking into account the total and effective porosity of the cores. These are compared with the results of a study of the same characteristics for ice in polar regions. The values of the permeability threshold and critical Rayleigh number for the ice of Amur Bay are discussed. MRI images of cores with different permeability characteristics and Rayleigh numbers are presented.
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The study was carried out within a state assignment (topic no. 121021700346-7 “Investigation of the Main Processes Controlling the State and Variability of Oceanological Characteristics of the Marginal Seas of Asia and Adjacent Regions of the Pacific and Indian Oceans”).
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Melnichenko, N.A., Tyuveev, A.V., Lazaryuk, A.Y. et al. Relationship between Permeability, Porosity, and Microstructure of Sea Ice in Amur Bay Based on In-Situ Measurements and Magnetic Resonance Tomography. Oceanology 62, 464–470 (2022). https://doi.org/10.1134/S0001437022040166
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DOI: https://doi.org/10.1134/S0001437022040166