水科学进展2017，Vol.28Issue(1)：116-123,8.DOI:10.14042/j.cnki.32.1309.2017.01.013
基于热力学过程的渤海海冰生消模型
Sea-ice growth and decay model of Bohai Sea based on thermodynamic process
摘要
Abstract
In order to preferably simulate the growth and decay of the ice in the Bohai Sea,based on three-dimensional (3-D) Euler-Lagrangian mode with free water surface vertically-stratified dynamic mesh,the 3-D shallow water equation set was discretized applying unstructured finite volume method with Vertex-Centered pattern.Further,the moving process of water current in the Bohai Sea was simulated.In the background of the above mentioned water dynamic field,the effect of detailed thermodynamic process was introduced,then the freezing process of the Bohai Sea in winter was stimulated,and finally the growth and decay model of ice in this sea area was established.The thermodynamic parameters mainly atmospheric temperature,relative humidity,wind field features,solar radiation,sensible heat flux,and latent heat flux coefficients were systematically investigated.Considering the ice-growth process in the Bohai Sea during 2011/2012-normal ice year as an example,the influence of each thermodynamic parameter on the ice condition and multiple parameters sensitivity were analyzed,and finally model was verified.The results showed that sensible heat and latent heat flux coefficients were the most sensitive parameters affecting the ice condition,i.e.,the maximum thickness of sea ice decreased by 15 cm after sensible heat and latent heat flux coefficients were reduced only by 0.000 2.Finally,based on the continuously measured hydrodynamic data and the typical disaster process of sea ice happened during the winter of 2009/2010,the model was verified again,which completely illustrated the higher accuracy,stability,and practicality.关键词
渤海/三维Euler-Lagrangian模式/热力学过程/海冰生消模型Key words
Bohai Sea/3-D Euler-Lagrangian mode/thermodynamic process/sea-ice growth model分类
建筑与水利引用本文复制引用
王昆,刘潘,金生,王年斌,于喆..基于热力学过程的渤海海冰生消模型[J].水科学进展,2017,28(1):116-123,8.基金项目
辽宁省海洋与渔业厅科研项目(201419) （201419）
海洋公益性行业科研专项经费资助项目(201505019) （201505019）
The study is financialiy supported by the National Non-Profit Research Program of China (No.201505019). （No.201505019）
