A STOCHASTIC MODEL OF ICEBERG DRIFT INCLUDING WAVE EFFECT

机译：包含波效应的冰山漂移随机模型

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A new model of iceberg drift is presented. It predicts the short-term drift of an iceberg by an estimation of the forces that act on the object. A formulation of the wave effect is proposed and is shown to give significant improvements to the drift estimation in some cases. A stochastic calculation is included into the model to deal with the uncertainties associated to various parameters of the problem: values of environmental forcing, hydrodynamic coefficients, size and shape of the object, etc. The efficiency of the model is tested with a dataset of iceberg drifts measured in Canadian waters in 1983 and 1984. The need of precise current forecast is emphasized by these tests and the importance of the wave-induced force is shown.

机译：提出了一种新的冰山漂移模型。它通过估计作用在物体上的力来预测冰山的短期漂移。提出了一种波效应的公式，并表明在某些情况下可以显着改善漂移估计。模型中包含随机计算，以处理与问题的各个参数相关的不确定性：环境强迫值，流体动力系数，物体的大小和形状等。使用冰山数据集测试模型的效率这些测试强调了在1983年和1984年在加拿大水域进行的漂移测量。通过这些测试强调了精确的电流预报的必要性，并显示了波浪感应力的重要性。

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来源
《International Conference on Port and Ocean Engineering Under Arctic Conditions; 20070627-30; Dalian(CN)》|2007年|P.537-547|共11页
会议地点 Dalian(CN)
作者
Marc Pavec; Edmond Coche;
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作者单位

Actimar, France;

2.Total, France;

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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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A STOCHASTIC MODEL OF ICEBERG DRIFT INCLUDING WAVE EFFECT

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