“两洋一海”关键海域内孤立波特征及其风险应对措施  

Characteristics and risk countermeasures of Internal Solitary Waves in critical areas of“Two Oceans and One Sea”

作　　者：张小将 张卫民[1] 王辉赞 曹宇 ZHANG Xiaojiang;ZHANG Weimin;WANG Huizan;CAO Yu(College of Meteorology and Oceanography,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学气象海洋学院,湖南长沙410073

出　　处：《国防科技》2022年第5期8-12,28,共6页National Defense Technology

摘　　要：海洋内孤立波是发生在层化海洋内部的大振幅、短周期的强非线性波动,对水下移动平台的航行安全、水下设备性能和海洋环境预警探测等具有重要影响。因此,加强对关键海域海洋内孤立波分布特征的了解及其潜在风险的掌控,对于海洋环境保障具有重要意义。在“两洋一海”区域,海洋内孤立波频发并具有振幅大、流速高、剪切强等特点。本文重点从生成机制、振幅、周期等出发介绍了“两洋一海”关键海域,特别是南海、苏禄海、苏拉威西海、安达曼海等海域的海洋内孤立波特征,并针对其潜在风险提出了“深入研究内孤立波动力学机制,突破内孤立波动力学数值预测模拟关键技术,研发关键海区内孤立波预警预测和辅助决策支持技术”等应对措施。相关结论有望为提升我国海洋环境保障能力提供借鉴。Internal Solitary Waves(ISWs)are strong nonlinear waves with large amplitudes and occurring in short cycles in a stratified ocean.They significantly affect voyage safety,the use of underwater weapons,and early warning underwater detection.Therefore,it is necessary to clarify the distribution characteristics of ISWs in critical sea areas and control their potential risks to protect the marine environment.The ISWs in the“Two Oceans and One Sea”area occur frequently and exhibit large amplitude,high velocity,and strong shear.This paper introduces the characteristics of ISWs in the critical areas of“Two Oceans and One Sea”,particularly in the South China Sea,Sulu Sea,Sulawesi Sea,and Andaman Sea,with regard to its generation mechanism,amplitude,and cycles.Countermeasures on the dynamic mechanism of ISWs,break-through in key technologies of numerical prediction and simulation of ISWs,and the development of early-warning prediction and auxiliary decision-making systems for internal solitary waves in key sea areas are proposed to mitigate their potential risks.The findings can improve the marine-environment support capability of China.

关 键 词：内孤立波 “两洋一海” 航行安全 环境保障 

分 类 号：P751[交通运输工程—港口、海岸及近海工程]