Author(s): Max D. Coon; Gerald S. Knoke; Douglas C. Echert; Robert S. Pritchard
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Abstract: This paper describes the kinematics and ice-thickness redistribution of pack ice while accounting for lead and ridge orientations. The pack ice deformations are described in terms of velocity discontinuities rather than invariants, allowing direct interpretation of open-water production and ridging. This description of pack ice allows an oriented icethickness distribution to account for the growth and ridging of ice in refrozen leads. Results of simple model calculations for ice-thickness redistribution appear reasonable. Results for kinematics indicate that most of the apparent scatter in isotropic calculations of open-water production can be explained by accounting for lead orientation.
Year: 2004