Abstract
Abstract : A coupled one-dimensional ice/ocean model is developed in differential form. The ice/snow system is represented by the simplified thermodynamic model of Semtner and a dynamic approximation that neglects the internal stresses. The ocean is represented by the Mellor-Yamada Level- 2 turbulence mixed-layer model. The thermodynamic coupling considers a moving ice/ocean interface and salinity flux generated by the freezing or melting of ice. The dynamic coupling occurs via the turbulent stress that exists in the mixed-layer beneath the ice. The test cases are used for model validation and scientific studies. One is the standard climatological test used by Semtner and others. The other test case is with the AIDJEX data. The ice/ocean model is compared to Semtner's ice model to determine the effect of a variable-depth mixed layer as opposed to an isothermal, fixed-depth mixed layer. The sensitivity of the ice/ocean model to changes in certain parameters and forcing is also examined. Finally, the ability of the model simulate Arctic conditions is shown by comparison of model results of data obtained during AIDJEX. Keywords: Ocean models; Sea ice; Arctic regions; Oceanographic data; Marine climatology; Diurnal variations; Heat flux; Solar radiation; Marine mixed layers.
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