Propagation Characteristics of Damped Traveling Wave in a One-Dimensional Marginal Sea Ice

被引：0
|
作者：
XIE Tao [1 ]
FANG He [1 ]
Perrie W [2 ]
CHEN Wei [3 ]
HE Yijun [1 ]
机构：
[1] School of Marine Sciences, Nanjing University of Information Science and Technology
[2] Bedford Institute of Oceanography,Dartmouth, B2Y 4A2,NS, Canada
[3] School of Automation, Wuhan University of Technology
来源：
Wuhan University Journal of Natural Sciences | 2015年 / 20卷 / 01期
基金：
中国国家自然科学基金;
关键词：
marginal sea ice; wave-ice interactions; attenuation coefficient; wave propagation;
D O I：
暂无
中图分类号：
P731.15 [海冰];
学科分类号：
0707 ;
摘要：
Based on the wave velocity potential of sea water and marginal sea ice, a modified formula about damped traveling wave is proposed. From this formula, it is obvious that the propagation characteristics of ocean wave in marginal sea ice are affected by ice thickness, temperature, salinity and ice growth rate. Attenuation coefficient approaches a limit value of 0.99 when ice thickness increases in the range of 0.5-50 m. When ice temperature increases in the range from-18 ℃ to-3 ℃, attenuation coefficient slowly decreases, while it rapidly decreases when ice temperatures is above a critical ice temperature of-3 ℃. Both attenuation coefficient and wavelengths of damped traveling wave nearly increase linearly with the increase of ice salinity and ice growth rate.
引用
收藏
页码：79 / 86
页数：8
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