基于摄像机与水位尺的昼夜海面水位及表面波参数测量

作者

  • S. A. Myslenkov Shirshov Institute of Oceanology, Russian Academy of Sciences; Lomonosov Moscow State University; Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
  • S. M. Morozova Lomonosov Moscow State University
  • A. D. Rybalko Shirshov Institute of Oceanology, Russian Academy of Sciences
  • Yu. V. Murzakova Shirshov Institute of Oceanology, Russian Academy of Sciences
  • V. V. Ocherednik Shirshov Institute of Oceanology, Russian Academy of Sciences
  • V. V. Mashura Shirshov Institute of Oceanology, Russian Academy of Sciences
  • E. E. Kruglova Shirshov Institute of Oceanology, Russian Academy of Sciences
  • V. A. Mikhailov Lomonosov Moscow State University
  • K. P. Myslenkova Shirshov Institute of Oceanology, Russian Academy of Sciences; National Research University Higher School of Economics
  • I. A. Rybakov Institute of Botany and Phytointroduction
  • S. S. Mukhametov Lomonosov Moscow State University
  • A. G. Zatsepin Shirshov Institute of Oceanology, Russian Academy of Sciences

DOI:

https://doi.org/10.29006/1564-2291.JOR-2025.53(4).13

关键词:

海平面测量, 风浪, 波谱, 视频观测, 视频自动化处理, 水尺

摘要

在本研究中,我们验证了利用布设在近岸带的摄像机与水尺来定义海面高度、波浪参数及波谱的可行 性。该方法基于帧率为30 Hz的视频逐帧分析,并通过亮度剖面自动识别水-气界面。借助LED补光,该 算法可适用于昼夜条件,水位判定精度可达2 cm。该方法已在黑海、白令海、日本海和波罗的海进行了试 验,使用了多种水尺与摄像机配置。文中以黑海为例,给出了水位及波浪参数的测量结果(包括显著波高、 最大波高、平均周期与最大周期),并展示了数段频率为30 Hz的波形记录示例。 该方法的关键优点是成本低、实现简便:该系统可由商用现货部件组装而成,包括摄像机、金属或木质水 尺以及用于数据处理的普通个人计算机。本方法的局限性包括:需要对水尺进行稳固固定、生物污损的影 响、在偏远海域布放设备的困难,以及因波浪绕流导致的误差。然而,该方法可根据不同环境进行适配。 所得结果可服务于科研与应用场景,包括大陆架工程勘察与业务化海洋观测等。

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已出版

2025-12-21

期次

栏目

海洋技术与仪器设备

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