Low-order guided waves across-ice layers excited by transient acoustic sources beneath Arctic ice

Sheng CHEN; Hongtao ZHOU; Hongtao WENG; Yu PAN; Hailin RUAN

doi:10.11990/jheu.202506009

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Low-order guided waves across-ice layers excited by transient acoustic sources beneath Arctic ice

Research Article | 更新时间：2026-03-31

- Low-order guided waves across-ice layers excited by transient acoustic sources beneath Arctic ice
- Journal of Harbin Engineering University Vol. 46, Issue 8, Pages: 1538-1546(2025)
- 作者机构：
  
  1.自然资源部第三海洋研究所，福建厦门 361005
  2.福建省海洋物理与地质过程重点实验室，福建厦门 361005
  3.极地海洋声学与技术应用教育部重点实验室，黑龙江哈尔滨 150001
- 作者简介：
- 基金信息：
- DOI：10.11990/jheu.202506009
  CLC： O427.9
- Received：05 June 2025，
  
  Online First：25 June 2025，
  
  Published：05 August 2025
- 稿件说明：
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Sheng CHEN, Hongtao ZHOU, Hongtao WENG, et al. Low-order guided waves across-ice layers excited by transient acoustic sources beneath Arctic ice[J]. Journal of Harbin Engineering University, 2025, 46(8): 1538-1546.
DOI：

Sheng CHEN, Hongtao ZHOU, Hongtao WENG, et al. Low-order guided waves across-ice layers excited by transient acoustic sources beneath Arctic ice[J]. Journal of Harbin Engineering University, 2025, 46(8): 1538-1546. DOI： 10.11990/jheu.202506009.

摘要

为掌握冰下声源低频信号的跨冰层传播特性，更好地支持跨冰声定位和声通信工作，本文运用单端覆水海冰的频散特征方程，推导了冰层低阶导波；建立了冰-水耦合二维有限元仿真模型，模拟冰下瞬态声源激发跨冰层低阶导波水平和垂直方向传播过程，探究了跨冰层低阶导波的频率-波数特征、传播路径、传播速度、位移峰值等

并在北极开展了验证实验。研究结果表明:在理想冰层条件下，低阶导波QS模态在垂直和水平方向上均可与S

模态分离；在北极冰层条件下，跨冰层接收的低阶导波QS模态在垂直方向上可与S

模态分离。其传播路径可设为先垂直后水平方向分布，传播速度随水平距离增加而趋于常数。声源深度一定时，相比S

波，QS波的位移峰值在垂直方向上更强，在水平方向上则更弱。本文结果将为冰下声源定位、通信等提供理论支撑。

Abstract

Understanding the characteristics of the propagation of low-frequency signals emitted by an acoustic source across ice layers enables the effective performance of cross-ice acoustic positioning and acoustic communication tasks. The characteristic equation of sea ice covered with water on one side was used

and the expression for the low-order guided waves of the ice layer was derived. By establishing a two-dimensional finite element simulation model of ice-water coupling

the horizontal and vertical propagation processes of low-order guided waves across ice layers excited by a transient acoustic source were simulated. Furthermore

the frequency-wavenumber characteristics

propagation path

propagation velocity

displacement peak

etc.

of low-order guided waves crossing the ice layers were analyzed. The verification experiment was conducted in the Arctic. The results of the study indicate that

ideally

the QS mode of the low-order guided wave can be distinguished from the S0 mode in vertical and horizontal directions. In contrast

in the Arctic

the QS mode of the low-order guided wave moving across the ice can be distinguished from the S0 mode in the vertical direction. Its propagation path can be set to initially exhibit a vertical distribution

and subsequently

a horizontal distribution. The propagation speed tends to be constant with increasing horizontal distance. When the depth of the sound source is at certain values

compared with that observed in S0 waves

the displacement peak of QS waves is stronger in the vertical direction and weaker in the horizontal direction. These findings will provide theoretical support for underwater sound source localization

communication

and related applications.

关键词

Keywords

references

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