提高在浅海的海洋声场预测,使用海洋沉积物合模型
Guang-Bing Yang1,2,3, Poru Huang1,2,3, Xiaochan Zhang1,2,3
1First Institute of Oceanography and Key Laboratory of Marine Science and Numerical Modeling, Ministry of Natural Resources, Qingdao, 266061, China.
The Journal of the Acoustical Society of America
|February 11, 2025
概括
海洋声场预测 (MAFP) 通过新的海洋沉积物合模型得到了改进. 这个模型考虑了沉积物温度,提高了在浅水中的准确性.
科学领域:
- 海洋学 海洋学 海洋学
- 声学 声学 在声学方面
- 地质物理学 地质物理学
背景情况:
- 海洋声场预测 (MAFP) 需要因海洋条件的动态而依赖于时间的声学参数.
- 现有的海洋模型经常忽视沉积物特性,尽管它们对浅海声学行为的显著影响.
- 沉积物温度变化极大地影响沉积物声学特性.
研究的目的:
- 开发和评估一个海洋沉积物合模型,以增强MAFP.
- 研究包括沉积物温度动态对声学预测的影响.
- 提高多种鱼的准确性,特别是在浅水环境中.
主要方法:
- 综合水柱和沉积物温度建模通过海洋底部热流.
- 同时模拟水和沉积物温度.
- 对MAFP的比较结果来自仅海洋模型与合海洋沉积物模型.
主要成果:
- 结合模型提供了一个时间变化的沉积物温度场,使得能够使用动态的,温度敏感的沉积物声学参数.
- 与仅仅海洋模型相比,合模型可以产生更准确的水温概况.
- 包括沉积物热力学可以显著提高MAFP的准确性.
结论:
- 海洋沉积物结合模型对于准确的MAFP至关重要,特别是在浅海环境中.
- 考虑到时间变化的沉积物温度对于减少MAFP错误至关重要.
- 结合模型提供了一种更全面的方法来理解海洋沉积物系统中的声学传播.
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