摘要
澳门机场围填海工程束窄了连接九澳湾和澳门水道的连接水道,工程周边的水动力环境也随之发生改变。基于CJK3D模型建立了澳门海域的潮流动力数值模型,模拟了澳门机场围填海工程前后九澳湾潮流变化,从潮流特征、水体交换周期等方面探讨九澳湾潮流动力及水体交换能力对围填海的响应机制。结果表明:1)澳门机场围填海工程不会导致澳门水域整体的流态发生变化,但其束窄效应会导致九澳湾趋近半封闭海湾;2)湾口断面涨落潮通量显著减小、流速减弱,进而导致湾内水体半交换周期增加、潮流动力及水体交换能力均有所减弱。
The Macao Airport’s reclamation project has narrowed the connecting waterway that connects Ka-Ho Bay and Macao Waterway,and the hydrodynamic environment around the project has also changed accordingly.We establish a numerical model of tidal current dynamics in the sea area near Macao,simulate the tidal current changes in Ka-Ho Bay before and after the Macao Airport reclamation project based on the CJK3 D model,and discuss the response mechanism of tidal dynamics and water exchange capacity in Ka-Ho Bay to reclamation from the aspects of tidal characteristics and water exchange cycle.The results show that:1)The reclamation project of Macao Airport will not cause the overall flow pattern of Macao waters to change,but its narrowing effect will cause Ka-Ho Bay to approach a semi-enclosed bay.2)The flux of ebb and flow tides in the section of bay mouth has decreased significantly,and the tidal current velocity decreases.The half exchange period increases,and the tidal power and water exchange capacity are weakened.
作者
孙龙
丁伟
路川藤
罗小峰
张功瑾
SUN Long;DING Wei;LU Chuan-teng;LUO Xiao-feng;ZHANG Gong-jin(CCCC Third Harbor Consultants Co.,Ltd.,Shanghai 200032;Nanjing Hydraulic Research Institute,Nanjing 210029,China)
出处
《水运工程》
北大核心
2022年第5期1-8,共8页
Port & Waterway Engineering
基金
国家重点研发计划项目(2019YFB1600702)
澳门科技发展基金项目(0089/2020/A)。
关键词
澳门机场填海
九澳湾
潮流动力
水体交换
reclamation of Macao Airport
Ka-Ho Bay
tidal dynamics
water exchange
