Abstract
The tidal ice drift is considered as an element of the tidal dynamics in a sea covered with ice. The appropriate problem is solved with the use of a combination of a simple viscoelastic continuum model of the tidal ice drift with the QUODDY-4 three-dimensional finite-element hydro-thermodynamical model. The combined model is used for simultaneous calculations of the tidal regime and the tidal ice drift in the White Sea. The calculated distributions of the characteristics of the semidiurnal (M2 wave) tidal ice drift such as the ice drift velocity and the tidal variations of the ice concentration and the pressure of the ice compression are discussed. The distributions are used for detecting the zones of the quasi-steady tidal compression and extension of ice and regions of ridging of ice floes. Particular attention is paid to the residual tidal ice drift, a phenomenon that has remained almost unnoticed so far.
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