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Wave-ice interaction in the North-West Barents Sea
Institution:1. The University Centre in Svalbard, Longyearbyen, Norway;2. Univetrsity of Cambridge, Cambridge, UK;3. U.S. Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory, Duck, NC, USA;4. University of Oslo, Oslo, Norway;5. Gazprom VNIIGAZ LLC, Moscow, Russia;1. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia;2. The University Center in Svalbard, Longyearbyen, Norway;3. Arctic and Antarctic Research Institute, St. Petersburg, Russia;4. University of Alaska Fairbanks, Fairbanks, USA;1. Environmental Process Modelling Centre, NEWRI, Nanyang Technological University, Singapore;2. American Society for Engineering Education, DC, United States;3. U.S. Naval Research Laboratory, Stennis Space Center, MS, United States;4. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore;5. Department of Infrastructure Engineering, University of Melbourne, VIC, Australia;1. The University Centre in Svalbard, Norway;2. Lomonosov Moscow State University, Russia;3. Zubov State Oceanographic Institute, Russia;1. Gazprom VNIIGAZ LLC, Moscow, Russia;2. Ishlinsky Institute for Problems in Mechanics RAS, Moscow, Russia;3. The University Centre in Svalbard, Norway
Abstract:The results of field work on drift ice during wave propagation are analyzed and presented. The field work was performed in the Barents Sea, and the main focus of the paper is on wave processes in the MIZ. A model of wave damping in broken ice is formulated and applied to interpret the field work results. It is confirmed that waves of higher frequencies are subjected to stronger damping when they propagate below the ice. This reduces the frequency of most energetic wave with increasing distance from the ice edge. Difference of wave spectra measured in two relatively close locations within the MIZ is discussed. The complicated geometry and dynamics of the MIZ in the North-West Barents Sea allow waves from the Atlantic Ocean and south regions of the Barents Sea to penetrate into different locations of the MIZ.
Keywords:Marginal ice zone  Waves  Barents sea  Spectrum  Dispersion  Damping  Flexural strength
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