An idealised experimental model of ocean surface wave transmission by an ice floe

Bennetts, L. G., Alberello, A., Meylan, M. H., Cavaliere, C., Babanin, A. V. and Toffoli, A. (2015) An idealised experimental model of ocean surface wave transmission by an ice floe. Ocean Modelling, 96 (Part 1). pp. 85-92. ISSN 1463-5003

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Abstract

An experimental model of transmission of ocean waves by an ice floe is presented. Thin plastic plates with different material properties and thicknesses are used to model the floe. Regular incident waves with different periods and steepnesses are used, ranging from gently-sloping to storm-like conditions. A wave gauge is used to measure the water surface elevation in the lee of the floe. The depth of wave overwash on the floe is measured by a gauge in the centre of the floe's upper surface. Results show transmitted waves are regular for gently-sloping incident waves but irregular for storm-like incident waves. The proportion of the incident wave transmitted is shown to decrease as incident wave steepness increases, and to be at its minimum for an incident wavelength equal to the floe length. Further, a trend is noted for transmission to decrease as the mean wave height in the overwash region increases.

Item Type: Article
Additional Information: Funding Information: Experiments were supported by the Small Research Grant Scheme of the School of Marine Science and Engineering of Plymouth University and performed when AA and AT were appointed at Plymouth University. The authors thank Peter Arber for technical support during the experiments. LGB acknowledges funding support from the Australian Research Council ( DE130101571 ) and the Australian Antarctic Science Grant Program (Project 4123 ). MHM and AVB acknowledge funding support for the U.S. Office of Naval Research (projects N00014-13-1-0290 and N00014-13-1-0278 ) . Publisher Copyright: © 2015 Elsevier Ltd.
Uncontrolled Keywords: marine geophysics,ocean waves,sea ice,computer science (miscellaneous),oceanography,geotechnical engineering and engineering geology,atmospheric science ,/dk/atira/pure/subjectarea/asjc/1700/1701
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Depositing User: LivePure Connector
Date Deposited: 13 Nov 2021 01:51
Last Modified: 15 Nov 2021 01:43
URI: https://ueaeprints.uea.ac.uk/id/eprint/82083
DOI: 10.1016/j.ocemod.2015.03.001

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