EVOLUTION OF TEMPERATURE PROFILES IN ICE SHEETS

机译：冰片中温度曲线的演变

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This paper describes a model of determining nonlinear temperature profiles within sheets of level ice. The time varying surface temperature of the snow that covers an ice sheet is used as a major input for the model. A finite difference routine is used to solve the heat conduction equations for ice and snow. The Stephan's boundary condition is used to account for the ice growth. Both the specific heat capacity and the thermal conductivity are assumed to vary inside the ice as a function of salinity and temperature. The main features of the model are described and example calculations are shown. Applications to calculate an integrated strength of the ice sheet are discussed.

机译：本文介绍了一种确定冰层中非线性温度分布的模型。覆盖在冰盖上的雪的时变表面温度被用作模型的主要输入。有限差分程序用于求解冰和雪的热传导方程。斯蒂芬边界条件用于解释冰的生长。假设比热容和热导率在冰内部均随盐度和温度的变化而变化。描述了模型的主要特征，并显示了示例计算。讨论了计算冰盖整体强度的应用。

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来源
《International Conference on Port and Ocean Engineering Under Arctic Conditions; 20070627-30; Dalian(CN)》|2007年|P.578-589|共12页
会议地点 Dalian(CN)
作者
Tuomo Kaernae; Knut Hoyland;
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作者单位

Norwegian University of Science and Technology;

Trondheim, Norway;

Karna Research and Consulting , Helsinki, Finland;

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原文格式 PDF
正文语种 eng
中图分类海洋工程;
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EVOLUTION OF TEMPERATURE PROFILES IN ICE SHEETS

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